21.86/12.52 YES 21.86/12.52 21.86/12.52 Ultimate: Cannot open display: 21.86/12.52 This is Ultimate 0.1.24-8dc7c08-m 21.86/12.52 [2019-03-28 22:55:19,256 INFO L170 SettingsManager]: Resetting all preferences to default values... 21.86/12.52 [2019-03-28 22:55:19,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 21.86/12.52 [2019-03-28 22:55:19,270 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,270 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 21.86/12.52 [2019-03-28 22:55:19,271 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 21.86/12.52 [2019-03-28 22:55:19,272 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 21.86/12.52 [2019-03-28 22:55:19,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 21.86/12.52 [2019-03-28 22:55:19,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 21.86/12.52 [2019-03-28 22:55:19,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 21.86/12.52 [2019-03-28 22:55:19,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 21.86/12.52 [2019-03-28 22:55:19,278 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 21.86/12.52 [2019-03-28 22:55:19,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 21.86/12.52 [2019-03-28 22:55:19,280 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 21.86/12.52 [2019-03-28 22:55:19,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 21.86/12.52 [2019-03-28 22:55:19,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 21.86/12.52 [2019-03-28 22:55:19,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 21.86/12.52 [2019-03-28 22:55:19,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 21.86/12.52 [2019-03-28 22:55:19,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 21.86/12.52 [2019-03-28 22:55:19,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 21.86/12.52 [2019-03-28 22:55:19,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 21.86/12.52 [2019-03-28 22:55:19,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 21.86/12.52 [2019-03-28 22:55:19,293 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 21.86/12.52 [2019-03-28 22:55:19,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 21.86/12.52 [2019-03-28 22:55:19,295 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 21.86/12.52 [2019-03-28 22:55:19,295 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 21.86/12.52 [2019-03-28 22:55:19,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 21.86/12.52 [2019-03-28 22:55:19,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 21.86/12.52 [2019-03-28 22:55:19,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 21.86/12.52 [2019-03-28 22:55:19,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,299 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 21.86/12.52 [2019-03-28 22:55:19,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 21.86/12.52 [2019-03-28 22:55:19,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 21.86/12.52 [2019-03-28 22:55:19,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 21.86/12.52 [2019-03-28 22:55:19,301 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 21.86/12.52 [2019-03-28 22:55:19,316 INFO L110 SettingsManager]: Loading preferences was successful 21.86/12.52 [2019-03-28 22:55:19,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 21.86/12.52 [2019-03-28 22:55:19,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 21.86/12.52 [2019-03-28 22:55:19,318 INFO L133 SettingsManager]: * Rewrite not-equals=true 21.86/12.52 [2019-03-28 22:55:19,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 21.86/12.52 [2019-03-28 22:55:19,318 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 21.86/12.52 [2019-03-28 22:55:19,318 INFO L133 SettingsManager]: * Use SBE=true 21.86/12.52 [2019-03-28 22:55:19,318 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 21.86/12.52 [2019-03-28 22:55:19,319 INFO L133 SettingsManager]: * Use old map elimination=false 21.86/12.52 [2019-03-28 22:55:19,319 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 21.86/12.52 [2019-03-28 22:55:19,319 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 21.86/12.52 [2019-03-28 22:55:19,319 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 21.86/12.52 [2019-03-28 22:55:19,319 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 21.86/12.52 [2019-03-28 22:55:19,319 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 21.86/12.52 [2019-03-28 22:55:19,320 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:19,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 21.86/12.52 [2019-03-28 22:55:19,320 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 21.86/12.52 [2019-03-28 22:55:19,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE 21.86/12.52 [2019-03-28 22:55:19,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 21.86/12.52 [2019-03-28 22:55:19,320 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 21.86/12.52 [2019-03-28 22:55:19,321 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 21.86/12.52 [2019-03-28 22:55:19,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 21.86/12.52 [2019-03-28 22:55:19,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 21.86/12.52 [2019-03-28 22:55:19,321 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 21.86/12.52 [2019-03-28 22:55:19,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 21.86/12.52 [2019-03-28 22:55:19,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 21.86/12.52 [2019-03-28 22:55:19,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 21.86/12.52 [2019-03-28 22:55:19,322 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 21.86/12.52 [2019-03-28 22:55:19,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 21.86/12.52 [2019-03-28 22:55:19,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 21.86/12.52 [2019-03-28 22:55:19,362 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 21.86/12.52 [2019-03-28 22:55:19,365 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 21.86/12.52 [2019-03-28 22:55:19,367 INFO L271 PluginConnector]: Initializing CDTParser... 21.86/12.52 [2019-03-28 22:55:19,367 INFO L276 PluginConnector]: CDTParser initialized 21.86/12.52 [2019-03-28 22:55:19,368 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 21.86/12.52 [2019-03-28 22:55:19,424 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/304c2dc8c2fb43a58d9ca97d4f7ade98/FLAG79db08003 21.86/12.52 [2019-03-28 22:55:19,761 INFO L307 CDTParser]: Found 1 translation units. 21.86/12.52 [2019-03-28 22:55:19,762 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 21.86/12.52 [2019-03-28 22:55:19,769 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/304c2dc8c2fb43a58d9ca97d4f7ade98/FLAG79db08003 21.86/12.52 [2019-03-28 22:55:20,210 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/304c2dc8c2fb43a58d9ca97d4f7ade98 21.86/12.52 [2019-03-28 22:55:20,221 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 21.86/12.52 [2019-03-28 22:55:20,223 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 21.86/12.52 [2019-03-28 22:55:20,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 21.86/12.52 [2019-03-28 22:55:20,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 21.86/12.52 [2019-03-28 22:55:20,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 21.86/12.52 [2019-03-28 22:55:20,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ffe6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:20,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 21.86/12.52 [2019-03-28 22:55:20,257 INFO L176 MainTranslator]: Built tables and reachable declarations 21.86/12.52 [2019-03-28 22:55:20,415 INFO L206 PostProcessor]: Analyzing one entry point: main 21.86/12.52 [2019-03-28 22:55:20,419 INFO L191 MainTranslator]: Completed pre-run 21.86/12.52 [2019-03-28 22:55:20,437 INFO L206 PostProcessor]: Analyzing one entry point: main 21.86/12.52 [2019-03-28 22:55:20,452 INFO L195 MainTranslator]: Completed translation 21.86/12.52 [2019-03-28 22:55:20,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20 WrapperNode 21.86/12.52 [2019-03-28 22:55:20,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 21.86/12.52 [2019-03-28 22:55:20,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 21.86/12.52 [2019-03-28 22:55:20,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 21.86/12.52 [2019-03-28 22:55:20,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 21.86/12.52 [2019-03-28 22:55:20,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 21.86/12.52 [2019-03-28 22:55:20,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 21.86/12.52 [2019-03-28 22:55:20,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 21.86/12.52 [2019-03-28 22:55:20,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized 21.86/12.52 [2019-03-28 22:55:20,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 21.86/12.52 [2019-03-28 22:55:20,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 21.86/12.52 [2019-03-28 22:55:20,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... 21.86/12.52 [2019-03-28 22:55:20,574 INFO L276 PluginConnector]: RCFGBuilder initialized 21.86/12.52 [2019-03-28 22:55:20,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (1/1) ... 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 21.86/12.52 [2019-03-28 22:55:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 21.86/12.52 [2019-03-28 22:55:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 21.86/12.52 [2019-03-28 22:55:20,791 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 21.86/12.52 [2019-03-28 22:55:20,791 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 21.86/12.52 [2019-03-28 22:55:20,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:55:20 BoogieIcfgContainer 21.86/12.52 [2019-03-28 22:55:20,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 21.86/12.52 [2019-03-28 22:55:20,794 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 21.86/12.52 [2019-03-28 22:55:20,794 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 21.86/12.52 [2019-03-28 22:55:20,796 INFO L276 PluginConnector]: BlockEncodingV2 initialized 21.86/12.52 [2019-03-28 22:55:20,797 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:55:20" (1/1) ... 21.86/12.52 [2019-03-28 22:55:20,813 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 21.86/12.52 [2019-03-28 22:55:20,815 INFO L258 BlockEncoder]: Using Remove infeasible edges 21.86/12.52 [2019-03-28 22:55:20,816 INFO L263 BlockEncoder]: Using Maximize final states 21.86/12.52 [2019-03-28 22:55:20,816 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 21.86/12.52 [2019-03-28 22:55:20,817 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 21.86/12.52 [2019-03-28 22:55:20,818 INFO L296 BlockEncoder]: Using Remove sink states 21.86/12.52 [2019-03-28 22:55:20,819 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 21.86/12.52 [2019-03-28 22:55:20,820 INFO L179 BlockEncoder]: Using Rewrite not-equals 21.86/12.52 [2019-03-28 22:55:20,836 INFO L185 BlockEncoder]: Using Use SBE 21.86/12.52 [2019-03-28 22:55:20,853 INFO L200 BlockEncoder]: SBE split 2 edges 21.86/12.52 [2019-03-28 22:55:20,857 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 21.86/12.52 [2019-03-28 22:55:20,859 INFO L71 MaximizeFinalStates]: 0 new accepting states 21.86/12.52 [2019-03-28 22:55:20,869 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 21.86/12.52 [2019-03-28 22:55:20,871 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 21.86/12.52 [2019-03-28 22:55:20,873 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 21.86/12.52 [2019-03-28 22:55:20,873 INFO L71 MaximizeFinalStates]: 0 new accepting states 21.86/12.52 [2019-03-28 22:55:20,878 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 21.86/12.52 [2019-03-28 22:55:20,878 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 21.86/12.52 [2019-03-28 22:55:20,878 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 21.86/12.52 [2019-03-28 22:55:20,879 INFO L71 MaximizeFinalStates]: 0 new accepting states 21.86/12.52 [2019-03-28 22:55:20,879 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 21.86/12.52 [2019-03-28 22:55:20,879 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 21.86/12.52 [2019-03-28 22:55:20,879 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges 21.86/12.52 [2019-03-28 22:55:20,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:55:20 BasicIcfg 21.86/12.52 [2019-03-28 22:55:20,880 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 21.86/12.52 [2019-03-28 22:55:20,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 21.86/12.52 [2019-03-28 22:55:20,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... 21.86/12.52 [2019-03-28 22:55:20,884 INFO L276 PluginConnector]: TraceAbstraction initialized 21.86/12.52 [2019-03-28 22:55:20,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:55:20" (1/4) ... 21.86/12.52 [2019-03-28 22:55:20,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58bc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:55:20, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:20,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (2/4) ... 21.86/12.52 [2019-03-28 22:55:20,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58bc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:55:20, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:20,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:55:20" (3/4) ... 21.86/12.52 [2019-03-28 22:55:20,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58bc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:55:20, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:20,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:55:20" (4/4) ... 21.86/12.52 [2019-03-28 22:55:20,889 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 21.86/12.52 [2019-03-28 22:55:20,899 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 21.86/12.52 [2019-03-28 22:55:20,907 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 21.86/12.52 [2019-03-28 22:55:20,924 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 21.86/12.52 [2019-03-28 22:55:20,953 INFO L133 ementStrategyFactory]: Using default assertion order modulation 21.86/12.52 [2019-03-28 22:55:20,954 INFO L382 AbstractCegarLoop]: Interprodecural is true 21.86/12.52 [2019-03-28 22:55:20,954 INFO L383 AbstractCegarLoop]: Hoare is true 21.86/12.52 [2019-03-28 22:55:20,954 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 21.86/12.52 [2019-03-28 22:55:20,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 21.86/12.52 [2019-03-28 22:55:20,954 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 21.86/12.52 [2019-03-28 22:55:20,954 INFO L387 AbstractCegarLoop]: Difference is false 21.86/12.52 [2019-03-28 22:55:20,955 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 21.86/12.52 [2019-03-28 22:55:20,955 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 21.86/12.52 [2019-03-28 22:55:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 21.86/12.52 [2019-03-28 22:55:20,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 21.86/12.52 [2019-03-28 22:55:20,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 21.86/12.52 [2019-03-28 22:55:21,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 21.86/12.52 [2019-03-28 22:55:21,027 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 25) the Hoare annotation is: true 21.86/12.52 [2019-03-28 22:55:21,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:55:21 BasicIcfg 21.86/12.52 [2019-03-28 22:55:21,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 21.86/12.52 [2019-03-28 22:55:21,036 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 21.86/12.52 [2019-03-28 22:55:21,036 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 21.86/12.52 [2019-03-28 22:55:21,039 INFO L276 PluginConnector]: BuchiAutomizer initialized 21.86/12.52 [2019-03-28 22:55:21,040 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 21.86/12.52 [2019-03-28 22:55:21,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:55:20" (1/5) ... 21.86/12.52 [2019-03-28 22:55:21,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:55:21, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:21,041 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 21.86/12.52 [2019-03-28 22:55:21,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:55:20" (2/5) ... 21.86/12.52 [2019-03-28 22:55:21,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:55:21, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:21,041 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 21.86/12.52 [2019-03-28 22:55:21,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:55:20" (3/5) ... 21.86/12.52 [2019-03-28 22:55:21,042 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:55:21, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:21,042 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 21.86/12.52 [2019-03-28 22:55:21,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:55:20" (4/5) ... 21.86/12.52 [2019-03-28 22:55:21,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:55:21, skipping insertion in model container 21.86/12.52 [2019-03-28 22:55:21,043 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 21.86/12.52 [2019-03-28 22:55:21,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:55:21" (5/5) ... 21.86/12.52 [2019-03-28 22:55:21,044 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 21.86/12.52 [2019-03-28 22:55:21,072 INFO L133 ementStrategyFactory]: Using default assertion order modulation 21.86/12.52 [2019-03-28 22:55:21,072 INFO L374 BuchiCegarLoop]: Interprodecural is true 21.86/12.52 [2019-03-28 22:55:21,072 INFO L375 BuchiCegarLoop]: Hoare is true 21.86/12.52 [2019-03-28 22:55:21,073 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 21.86/12.52 [2019-03-28 22:55:21,073 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 21.86/12.52 [2019-03-28 22:55:21,073 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 21.86/12.52 [2019-03-28 22:55:21,073 INFO L379 BuchiCegarLoop]: Difference is false 21.86/12.52 [2019-03-28 22:55:21,074 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 21.86/12.52 [2019-03-28 22:55:21,074 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 21.86/12.52 [2019-03-28 22:55:21,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 21.86/12.52 [2019-03-28 22:55:21,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 21.86/12.52 [2019-03-28 22:55:21,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 21.86/12.52 [2019-03-28 22:55:21,095 INFO L119 BuchiIsEmpty]: Starting construction of run 21.86/12.52 [2019-03-28 22:55:21,100 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 21.86/12.52 [2019-03-28 22:55:21,101 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 21.86/12.52 [2019-03-28 22:55:21,101 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 21.86/12.52 [2019-03-28 22:55:21,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 21.86/12.52 [2019-03-28 22:55:21,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 21.86/12.52 [2019-03-28 22:55:21,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 21.86/12.52 [2019-03-28 22:55:21,102 INFO L119 BuchiIsEmpty]: Starting construction of run 21.86/12.52 [2019-03-28 22:55:21,102 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 21.86/12.52 [2019-03-28 22:55:21,102 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 21.86/12.52 [2019-03-28 22:55:21,107 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L22-2: Formula: (= v_ULTIMATE.start_main_~a~0_9 v_ULTIMATE.start_main_~b~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0] 4#L22-2true 21.86/12.52 [2019-03-28 22:55:21,108 INFO L796 eck$LassoCheckResult]: Loop: 4#L22-2true [37] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~a~0_8) v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~b~0_8 (- 1))) (<= 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~a~0_8 v_ULTIMATE.start_main_~x~0_8 (* (- 1) v_ULTIMATE.start_main_~b~0_8) (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L22-2true 21.86/12.52 [2019-03-28 22:55:21,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:21,114 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times 21.86/12.52 [2019-03-28 22:55:21,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 21.86/12.52 [2019-03-28 22:55:21,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 21.86/12.52 [2019-03-28 22:55:21,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:21,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:21,185 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 21.86/12.52 [2019-03-28 22:55:21,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 21.86/12.52 [2019-03-28 22:55:21,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 21.86/12.52 [2019-03-28 22:55:21,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:21,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:21,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2269, now seen corresponding path program 1 times 21.86/12.52 [2019-03-28 22:55:21,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 21.86/12.52 [2019-03-28 22:55:21,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 21.86/12.52 [2019-03-28 22:55:21,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:21,266 INFO L216 LassoAnalysis]: Preferences: 21.86/12.52 [2019-03-28 22:55:21,268 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 21.86/12.52 [2019-03-28 22:55:21,268 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 21.86/12.52 [2019-03-28 22:55:21,268 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 21.86/12.52 [2019-03-28 22:55:21,268 INFO L127 ssoRankerPreferences]: Use exernal solver: true 21.86/12.52 [2019-03-28 22:55:21,268 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:21,269 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 21.86/12.52 [2019-03-28 22:55:21,269 INFO L130 ssoRankerPreferences]: Path of dumped script: 21.86/12.52 [2019-03-28 22:55:21,269 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 21.86/12.52 [2019-03-28 22:55:21,269 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 21.86/12.52 [2019-03-28 22:55:21,269 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 21.86/12.52 [2019-03-28 22:55:21,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:21,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:21,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:21,414 INFO L300 LassoAnalysis]: Preprocessing complete. 21.86/12.52 [2019-03-28 22:55:21,415 INFO L412 LassoAnalysis]: Checking for nontermination... 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:21,424 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:21,424 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:21,457 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:21,457 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:21,463 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:21,463 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:21,492 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:21,492 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:21,496 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:21,496 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:21,533 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:21,533 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,075 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,076 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-6, ULTIMATE.start_main_~b~0=-1, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-6, ULTIMATE.start_main_~b~0=-1, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~a~0=4, ULTIMATE.start_main_~b~0=4, ULTIMATE.start_main_~x~0=-4}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=2, ULTIMATE.start_main_~b~0=2, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-6, ULTIMATE.start_main_~b~0=-6, ULTIMATE.start_main_~x~0=-3}] Lambdas: [1, 4, 1] Nus: [0, 1] 21.86/12.52 [2019-03-28 22:55:23,107 INFO L216 LassoAnalysis]: Preferences: 21.86/12.52 [2019-03-28 22:55:23,108 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 21.86/12.52 [2019-03-28 22:55:23,108 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 21.86/12.52 [2019-03-28 22:55:23,108 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 21.86/12.52 [2019-03-28 22:55:23,108 INFO L127 ssoRankerPreferences]: Use exernal solver: true 21.86/12.52 [2019-03-28 22:55:23,108 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,108 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 21.86/12.52 [2019-03-28 22:55:23,108 INFO L130 ssoRankerPreferences]: Path of dumped script: 21.86/12.52 [2019-03-28 22:55:23,109 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 21.86/12.52 [2019-03-28 22:55:23,109 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 21.86/12.52 [2019-03-28 22:55:23,109 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 21.86/12.52 [2019-03-28 22:55:23,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:23,237 INFO L300 LassoAnalysis]: Preprocessing complete. 21.86/12.52 [2019-03-28 22:55:23,237 INFO L412 LassoAnalysis]: Checking for nontermination... 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,240 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,240 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,244 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,244 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,273 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,273 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,301 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,301 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,305 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,306 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,309 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,310 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,336 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,336 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,340 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,340 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,368 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,368 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,372 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,372 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,399 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,403 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,403 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,430 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:23,457 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:23,457 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,462 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,462 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:23,499 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:23,499 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:25,048 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 21.86/12.52 [2019-03-28 22:55:25,052 INFO L216 LassoAnalysis]: Preferences: 21.86/12.52 [2019-03-28 22:55:25,052 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 21.86/12.52 [2019-03-28 22:55:25,052 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 21.86/12.52 [2019-03-28 22:55:25,052 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 21.86/12.52 [2019-03-28 22:55:25,053 INFO L127 ssoRankerPreferences]: Use exernal solver: false 21.86/12.52 [2019-03-28 22:55:25,053 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:25,053 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 21.86/12.52 [2019-03-28 22:55:25,053 INFO L130 ssoRankerPreferences]: Path of dumped script: 21.86/12.52 [2019-03-28 22:55:25,053 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 21.86/12.52 [2019-03-28 22:55:25,053 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 21.86/12.52 [2019-03-28 22:55:25,053 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 21.86/12.52 [2019-03-28 22:55:25,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,178 INFO L300 LassoAnalysis]: Preprocessing complete. 21.86/12.52 [2019-03-28 22:55:25,185 INFO L497 LassoAnalysis]: Using template 'affine'. 21.86/12.52 [2019-03-28 22:55:25,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,193 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,197 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,197 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 21.86/12.52 [2019-03-28 22:55:25,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,210 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,210 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 21.86/12.52 [2019-03-28 22:55:25,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,214 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,214 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,216 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 21.86/12.52 [2019-03-28 22:55:25,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,217 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,218 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 21.86/12.52 [2019-03-28 22:55:25,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,220 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,221 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,222 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,223 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,223 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 21.86/12.52 [2019-03-28 22:55:25,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,224 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,224 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,224 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,226 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,226 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,227 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,229 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,229 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 21.86/12.52 [2019-03-28 22:55:25,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:25,238 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:25,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:25,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:25,239 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:25,243 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:25,243 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:25,295 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 21.86/12.52 [2019-03-28 22:55:25,322 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 21.86/12.52 [2019-03-28 22:55:25,322 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. 21.86/12.52 [2019-03-28 22:55:25,325 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 21.86/12.52 [2019-03-28 22:55:25,329 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 21.86/12.52 [2019-03-28 22:55:25,329 INFO L518 LassoAnalysis]: Proved termination. 21.86/12.52 [2019-03-28 22:55:25,330 INFO L520 LassoAnalysis]: Termination argument consisting of: 21.86/12.52 Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 21.86/12.52 Supporting invariants [-1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] 21.86/12.52 [2019-03-28 22:55:25,334 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 21.86/12.52 [2019-03-28 22:55:25,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 21.86/12.52 [2019-03-28 22:55:25,389 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 3 conjunts are in the unsatisfiable core 21.86/12.52 [2019-03-28 22:55:25,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... 21.86/12.52 [2019-03-28 22:55:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 21.86/12.52 [2019-03-28 22:55:25,400 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 21.86/12.52 [2019-03-28 22:55:25,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... 21.86/12.52 [2019-03-28 22:55:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 21.86/12.52 [2019-03-28 22:55:25,424 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 21.86/12.52 [2019-03-28 22:55:25,429 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 21.86/12.52 [2019-03-28 22:55:25,431 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 21.86/12.52 [2019-03-28 22:55:25,498 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 6 states and 11 transitions. Complement of second has 4 states. 21.86/12.52 [2019-03-28 22:55:25,499 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 21.86/12.52 [2019-03-28 22:55:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 21.86/12.52 [2019-03-28 22:55:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 21.86/12.52 [2019-03-28 22:55:25,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 1 letters. 21.86/12.52 [2019-03-28 22:55:25,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. 21.86/12.52 [2019-03-28 22:55:25,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. 21.86/12.52 [2019-03-28 22:55:25,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. 21.86/12.52 [2019-03-28 22:55:25,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 21.86/12.52 [2019-03-28 22:55:25,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. 21.86/12.52 [2019-03-28 22:55:25,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 11 transitions. 21.86/12.52 [2019-03-28 22:55:25,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 21.86/12.52 [2019-03-28 22:55:25,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 11 transitions. 21.86/12.52 [2019-03-28 22:55:25,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 21.86/12.52 [2019-03-28 22:55:25,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 21.86/12.52 [2019-03-28 22:55:25,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 11 transitions. 21.86/12.52 [2019-03-28 22:55:25,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 21.86/12.52 [2019-03-28 22:55:25,519 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 11 transitions. 21.86/12.52 [2019-03-28 22:55:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 11 transitions. 21.86/12.52 [2019-03-28 22:55:25,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 21.86/12.52 [2019-03-28 22:55:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 21.86/12.52 [2019-03-28 22:55:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. 21.86/12.52 [2019-03-28 22:55:25,549 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. 21.86/12.52 [2019-03-28 22:55:25,549 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. 21.86/12.52 [2019-03-28 22:55:25,549 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 21.86/12.52 [2019-03-28 22:55:25,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 10 transitions. 21.86/12.52 [2019-03-28 22:55:25,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 21.86/12.52 [2019-03-28 22:55:25,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 21.86/12.52 [2019-03-28 22:55:25,550 INFO L119 BuchiIsEmpty]: Starting construction of run 21.86/12.52 [2019-03-28 22:55:25,551 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 21.86/12.52 [2019-03-28 22:55:25,551 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 21.86/12.52 [2019-03-28 22:55:25,551 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L22-2: Formula: (= v_ULTIMATE.start_main_~a~0_9 v_ULTIMATE.start_main_~b~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0] 47#L22-2 [38] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~a~0_8) v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~b~0_8 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~a~0_8 v_ULTIMATE.start_main_~x~0_8 (* (- 1) v_ULTIMATE.start_main_~b~0_8) (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 48#L22-2 21.86/12.52 [2019-03-28 22:55:25,551 INFO L796 eck$LassoCheckResult]: Loop: 48#L22-2 [38] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~a~0_8) v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~b~0_8 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~a~0_8 v_ULTIMATE.start_main_~x~0_8 (* (- 1) v_ULTIMATE.start_main_~b~0_8) (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 48#L22-2 21.86/12.52 [2019-03-28 22:55:25,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:25,552 INFO L82 PathProgramCache]: Analyzing trace with hash 2270, now seen corresponding path program 1 times 21.86/12.52 [2019-03-28 22:55:25,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 21.86/12.52 [2019-03-28 22:55:25,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 21.86/12.52 [2019-03-28 22:55:25,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:25,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:25,563 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 21.86/12.52 [2019-03-28 22:55:25,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 21.86/12.52 [2019-03-28 22:55:25,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 21.86/12.52 [2019-03-28 22:55:25,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:25,571 INFO L82 PathProgramCache]: Analyzing trace with hash 70408, now seen corresponding path program 2 times 21.86/12.52 [2019-03-28 22:55:25,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 21.86/12.52 [2019-03-28 22:55:25,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 21.86/12.52 [2019-03-28 22:55:25,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 21.86/12.52 [2019-03-28 22:55:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 21.86/12.52 [2019-03-28 22:55:25,613 INFO L216 LassoAnalysis]: Preferences: 21.86/12.52 [2019-03-28 22:55:25,613 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 21.86/12.52 [2019-03-28 22:55:25,613 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 21.86/12.52 [2019-03-28 22:55:25,613 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 21.86/12.52 [2019-03-28 22:55:25,613 INFO L127 ssoRankerPreferences]: Use exernal solver: true 21.86/12.52 [2019-03-28 22:55:25,614 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:25,614 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 21.86/12.52 [2019-03-28 22:55:25,614 INFO L130 ssoRankerPreferences]: Path of dumped script: 21.86/12.52 [2019-03-28 22:55:25,614 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 21.86/12.52 [2019-03-28 22:55:25,615 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 21.86/12.52 [2019-03-28 22:55:25,615 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 21.86/12.52 [2019-03-28 22:55:25,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:25,686 INFO L300 LassoAnalysis]: Preprocessing complete. 21.86/12.52 [2019-03-28 22:55:25,686 INFO L412 LassoAnalysis]: Checking for nontermination... 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:25,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:25,689 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:25,717 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:25,718 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:25,723 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:25,724 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:25,751 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:25,751 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:25,758 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:25,758 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:25,794 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:25,794 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:26,276 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:26,276 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=-6, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=-6, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~a~0=1, ULTIMATE.start_main_~b~0=1, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=-8, ULTIMATE.start_main_~a~0=-5, ULTIMATE.start_main_~b~0=-5, ULTIMATE.start_main_~x~0=5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=4, ULTIMATE.start_main_~b~0=4, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 1] Nus: [0, 0] 21.86/12.52 [2019-03-28 22:55:26,316 INFO L216 LassoAnalysis]: Preferences: 21.86/12.52 [2019-03-28 22:55:26,317 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 21.86/12.52 [2019-03-28 22:55:26,317 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 21.86/12.52 [2019-03-28 22:55:26,317 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 21.86/12.52 [2019-03-28 22:55:26,317 INFO L127 ssoRankerPreferences]: Use exernal solver: true 21.86/12.52 [2019-03-28 22:55:26,317 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,317 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 21.86/12.52 [2019-03-28 22:55:26,317 INFO L130 ssoRankerPreferences]: Path of dumped script: 21.86/12.52 [2019-03-28 22:55:26,318 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 21.86/12.52 [2019-03-28 22:55:26,318 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 21.86/12.52 [2019-03-28 22:55:26,318 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 21.86/12.52 [2019-03-28 22:55:26,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:26,424 INFO L300 LassoAnalysis]: Preprocessing complete. 21.86/12.52 [2019-03-28 22:55:26,424 INFO L412 LassoAnalysis]: Checking for nontermination... 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,429 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:26,430 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:26,456 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:26,456 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,461 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:26,461 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:26,465 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:26,465 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,492 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:26,492 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:26,519 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:26,519 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,523 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:26,523 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:26,527 INFO L445 LassoAnalysis]: Proved nontermination for one component. 21.86/12.52 [2019-03-28 22:55:26,527 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: [] 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,570 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:26,570 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 21.86/12.52 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 21.86/12.52 Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:26,605 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 21.86/12.52 [2019-03-28 22:55:26,605 INFO L163 nArgumentSynthesizer]: Using integer mode. 21.86/12.52 [2019-03-28 22:55:28,028 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 21.86/12.52 [2019-03-28 22:55:28,031 INFO L216 LassoAnalysis]: Preferences: 21.86/12.52 [2019-03-28 22:55:28,031 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 21.86/12.52 [2019-03-28 22:55:28,031 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 21.86/12.52 [2019-03-28 22:55:28,031 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 21.86/12.52 [2019-03-28 22:55:28,032 INFO L127 ssoRankerPreferences]: Use exernal solver: false 21.86/12.52 [2019-03-28 22:55:28,032 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 21.86/12.52 [2019-03-28 22:55:28,032 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 21.86/12.52 [2019-03-28 22:55:28,032 INFO L130 ssoRankerPreferences]: Path of dumped script: 21.86/12.52 [2019-03-28 22:55:28,032 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 21.86/12.52 [2019-03-28 22:55:28,032 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 21.86/12.52 [2019-03-28 22:55:28,032 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 21.86/12.52 [2019-03-28 22:55:28,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 21.86/12.52 [2019-03-28 22:55:28,130 INFO L300 LassoAnalysis]: Preprocessing complete. 21.86/12.52 [2019-03-28 22:55:28,130 INFO L497 LassoAnalysis]: Using template 'affine'. 21.86/12.52 [2019-03-28 22:55:28,131 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 21.86/12.52 Termination analysis: LINEAR_WITH_GUESSES 21.86/12.52 Number of strict supporting invariants: 0 21.86/12.52 Number of non-strict supporting invariants: 1 21.86/12.52 Consider only non-deceasing supporting invariants: true 21.86/12.52 Simplify termination arguments: true 21.86/12.52 Simplify supporting invariants: trueOverapproximate stem: false 21.86/12.52 [2019-03-28 22:55:28,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. 21.86/12.52 [2019-03-28 22:55:28,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 21.86/12.52 [2019-03-28 22:55:28,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 21.86/12.52 [2019-03-28 22:55:28,132 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 21.86/12.52 [2019-03-28 22:55:28,135 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 21.86/12.52 [2019-03-28 22:55:28,135 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 21.86/12.52 [2019-03-28 22:55:28,161 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 21.86/12.52 [2019-03-28 22:55:28,169 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 21.86/12.52 [2019-03-28 22:55:28,169 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 21.86/12.52 [2019-03-28 22:55:28,170 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 21.86/12.52 [2019-03-28 22:55:28,172 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 21.86/12.52 [2019-03-28 22:55:28,172 INFO L518 LassoAnalysis]: Proved termination. 21.86/12.52 [2019-03-28 22:55:28,172 INFO L520 LassoAnalysis]: Termination argument consisting of: 21.86/12.52 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 21.86/12.52 Supporting invariants [-1*ULTIMATE.start_main_~a~0 + 1*ULTIMATE.start_main_~b~0 >= 0] 21.86/12.52 [2019-03-28 22:55:28,175 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 21.86/12.52 [2019-03-28 22:55:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 21.86/12.52 [2019-03-28 22:55:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 21.86/12.52 [2019-03-28 22:55:28,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 21.86/12.52 [2019-03-28 22:55:28,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... 21.86/12.52 [2019-03-28 22:55:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 21.86/12.52 [2019-03-28 22:55:28,215 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 21.86/12.52 [2019-03-28 22:55:28,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... 21.86/12.52 [2019-03-28 22:55:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 21.86/12.52 [2019-03-28 22:55:28,224 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 21.86/12.52 [2019-03-28 22:55:28,224 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 21.86/12.52 [2019-03-28 22:55:28,225 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 10 transitions. cyclomatic complexity: 7 Second operand 3 states. 21.86/12.52 [2019-03-28 22:55:28,254 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 10 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 8 states and 16 transitions. Complement of second has 5 states. 21.86/12.52 [2019-03-28 22:55:28,254 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 21.86/12.52 [2019-03-28 22:55:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 21.86/12.52 [2019-03-28 22:55:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. 21.86/12.52 [2019-03-28 22:55:28,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. 21.86/12.52 [2019-03-28 22:55:28,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. 21.86/12.52 [2019-03-28 22:55:28,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. 21.86/12.52 [2019-03-28 22:55:28,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. 21.86/12.52 [2019-03-28 22:55:28,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 21.86/12.52 [2019-03-28 22:55:28,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. 21.86/12.52 [2019-03-28 22:55:28,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 16 transitions. 21.86/12.52 [2019-03-28 22:55:28,258 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 21.86/12.52 [2019-03-28 22:55:28,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 21.86/12.52 [2019-03-28 22:55:28,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 21.86/12.52 [2019-03-28 22:55:28,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 21.86/12.52 [2019-03-28 22:55:28,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 21.86/12.52 [2019-03-28 22:55:28,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 21.86/12.52 [2019-03-28 22:55:28,259 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 21.86/12.52 [2019-03-28 22:55:28,259 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 21.86/12.52 [2019-03-28 22:55:28,259 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 21.86/12.52 [2019-03-28 22:55:28,259 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 21.86/12.52 [2019-03-28 22:55:28,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 21.86/12.52 [2019-03-28 22:55:28,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 21.86/12.52 [2019-03-28 22:55:28,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 21.86/12.52 [2019-03-28 22:55:28,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:55:28 BasicIcfg 21.86/12.52 [2019-03-28 22:55:28,266 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 21.86/12.52 [2019-03-28 22:55:28,266 INFO L168 Benchmark]: Toolchain (without parser) took 8044.88 ms. Allocated memory was 649.6 MB in the beginning and 748.2 MB in the end (delta: 98.6 MB). Free memory was 564.6 MB in the beginning and 653.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,268 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.73 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.69 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 554.9 MB in the beginning and 643.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,270 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 676.3 MB. Free memory was 643.1 MB in the beginning and 642.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,270 INFO L168 Benchmark]: RCFGBuilder took 219.73 ms. Allocated memory is still 676.3 MB. Free memory was 642.1 MB in the beginning and 625.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,271 INFO L168 Benchmark]: BlockEncodingV2 took 86.60 ms. Allocated memory is still 676.3 MB. Free memory was 625.5 MB in the beginning and 620.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,271 INFO L168 Benchmark]: TraceAbstraction took 154.22 ms. Allocated memory is still 676.3 MB. Free memory was 620.1 MB in the beginning and 611.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,272 INFO L168 Benchmark]: BuchiAutomizer took 7230.29 ms. Allocated memory was 676.3 MB in the beginning and 748.2 MB in the end (delta: 71.8 MB). Free memory was 610.4 MB in the beginning and 653.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. 21.86/12.52 [2019-03-28 22:55:28,276 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 21.86/12.52 --- Results --- 21.86/12.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 21.86/12.52 - StatisticsResult: Initial Icfg 21.86/12.52 7 locations, 9 edges 21.86/12.52 - StatisticsResult: Encoded RCFG 21.86/12.52 2 locations, 3 edges 21.86/12.52 * Results from de.uni_freiburg.informatik.ultimate.core: 21.86/12.52 - StatisticsResult: Toolchain Benchmarks 21.86/12.52 Benchmark results are: 21.86/12.52 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 21.86/12.52 * CACSL2BoogieTranslator took 228.73 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 21.86/12.52 * Boogie Procedure Inliner took 98.69 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 554.9 MB in the beginning and 643.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 21.86/12.52 * Boogie Preprocessor took 21.04 ms. Allocated memory is still 676.3 MB. Free memory was 643.1 MB in the beginning and 642.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 21.86/12.52 * RCFGBuilder took 219.73 ms. Allocated memory is still 676.3 MB. Free memory was 642.1 MB in the beginning and 625.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 50.3 GB. 21.86/12.52 * BlockEncodingV2 took 86.60 ms. Allocated memory is still 676.3 MB. Free memory was 625.5 MB in the beginning and 620.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 21.86/12.52 * TraceAbstraction took 154.22 ms. Allocated memory is still 676.3 MB. Free memory was 620.1 MB in the beginning and 611.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 21.86/12.52 * BuchiAutomizer took 7230.29 ms. Allocated memory was 676.3 MB in the beginning and 748.2 MB in the end (delta: 71.8 MB). Free memory was 610.4 MB in the beginning and 653.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. 21.86/12.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 21.86/12.52 - AllSpecificationsHoldResult: All specifications hold 21.86/12.52 We were not able to verify any specifiation because the program does not contain any specification. 21.86/12.52 - InvariantResult [Line: 22]: Loop Invariant 21.86/12.52 Derived loop invariant: 1 21.86/12.52 - StatisticsResult: Ultimate Automizer benchmark data 21.86/12.52 CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 21.86/12.52 - StatisticsResult: Constructed decomposition of program 21.86/12.52 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. 21.86/12.52 - StatisticsResult: Timing statistics 21.86/12.52 BüchiAutomizer plugin needed 7.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax147 hnf94 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf94 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 15 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.4s 21.86/12.52 - TerminationAnalysisResult: Termination proven 21.86/12.52 Buchi Automizer proved that your program is terminating 21.86/12.52 RESULT: Ultimate proved your program to be correct! 21.86/12.52 !SESSION 2019-03-28 22:55:16.932 ----------------------------------------------- 21.86/12.52 eclipse.buildId=unknown 21.86/12.52 java.version=1.8.0_181 21.86/12.52 java.vendor=Oracle Corporation 21.86/12.52 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 21.86/12.52 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 21.86/12.52 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 21.86/12.52 21.86/12.52 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:55:28.507 21.86/12.52 !MESSAGE The workspace will exit with unsaved changes in this session. 21.86/12.52 Received shutdown request... 21.86/12.52 Ultimate: 21.86/12.52 GTK+ Version Check 21.86/12.52 EOF