14.00/6.85 YES 14.00/6.85 14.00/6.85 This is Ultimate 0.1.24-8dc7c08-m 14.00/6.85 [2019-03-28 22:33:29,934 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.00/6.85 [2019-03-28 22:33:29,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.00/6.85 [2019-03-28 22:33:29,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.00/6.85 [2019-03-28 22:33:29,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.00/6.85 [2019-03-28 22:33:29,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.00/6.85 [2019-03-28 22:33:29,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.00/6.85 [2019-03-28 22:33:29,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.00/6.85 [2019-03-28 22:33:29,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.00/6.85 [2019-03-28 22:33:29,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.00/6.85 [2019-03-28 22:33:29,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.00/6.85 [2019-03-28 22:33:29,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.00/6.85 [2019-03-28 22:33:29,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.00/6.85 [2019-03-28 22:33:29,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.00/6.85 [2019-03-28 22:33:29,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.00/6.85 [2019-03-28 22:33:29,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.00/6.85 [2019-03-28 22:33:29,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.00/6.85 [2019-03-28 22:33:29,963 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.00/6.85 [2019-03-28 22:33:29,964 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.00/6.85 [2019-03-28 22:33:29,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.00/6.85 [2019-03-28 22:33:29,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.00/6.85 [2019-03-28 22:33:29,968 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.00/6.85 [2019-03-28 22:33:29,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.00/6.85 [2019-03-28 22:33:29,969 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.00/6.85 [2019-03-28 22:33:29,970 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.00/6.85 [2019-03-28 22:33:29,971 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.00/6.85 [2019-03-28 22:33:29,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.00/6.85 [2019-03-28 22:33:29,972 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.00/6.85 [2019-03-28 22:33:29,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,973 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.00/6.85 [2019-03-28 22:33:29,973 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.00/6.85 [2019-03-28 22:33:29,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.00/6.85 [2019-03-28 22:33:29,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.00/6.85 [2019-03-28 22:33:29,975 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.00/6.85 [2019-03-28 22:33:29,989 INFO L110 SettingsManager]: Loading preferences was successful 14.00/6.85 [2019-03-28 22:33:29,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.00/6.85 [2019-03-28 22:33:29,990 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.00/6.85 [2019-03-28 22:33:29,991 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.00/6.85 [2019-03-28 22:33:29,991 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.00/6.85 [2019-03-28 22:33:29,991 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.00/6.85 [2019-03-28 22:33:29,991 INFO L133 SettingsManager]: * Use SBE=true 14.00/6.85 [2019-03-28 22:33:29,991 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Use old map elimination=false 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.00/6.85 [2019-03-28 22:33:29,992 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:29,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.00/6.85 [2019-03-28 22:33:29,993 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.00/6.85 [2019-03-28 22:33:29,993 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.00/6.85 [2019-03-28 22:33:29,993 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.00/6.85 [2019-03-28 22:33:29,993 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.00/6.85 [2019-03-28 22:33:29,994 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.00/6.85 [2019-03-28 22:33:29,994 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.00/6.85 [2019-03-28 22:33:29,994 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.00/6.85 [2019-03-28 22:33:29,994 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.00/6.85 [2019-03-28 22:33:29,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.00/6.85 [2019-03-28 22:33:29,994 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.00/6.85 [2019-03-28 22:33:29,995 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.00/6.85 [2019-03-28 22:33:29,995 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.00/6.85 [2019-03-28 22:33:29,995 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.00/6.85 [2019-03-28 22:33:30,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.00/6.85 [2019-03-28 22:33:30,032 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.00/6.85 [2019-03-28 22:33:30,036 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.00/6.85 [2019-03-28 22:33:30,037 INFO L271 PluginConnector]: Initializing CDTParser... 14.00/6.85 [2019-03-28 22:33:30,038 INFO L276 PluginConnector]: CDTParser initialized 14.00/6.85 [2019-03-28 22:33:30,038 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.00/6.85 [2019-03-28 22:33:30,104 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3a9c57e0084243f6a2e19bd874171c6c/FLAGd833dc5cb 14.00/6.85 [2019-03-28 22:33:30,417 INFO L307 CDTParser]: Found 1 translation units. 14.00/6.85 [2019-03-28 22:33:30,417 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.00/6.85 [2019-03-28 22:33:30,424 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3a9c57e0084243f6a2e19bd874171c6c/FLAGd833dc5cb 14.00/6.85 [2019-03-28 22:33:30,864 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3a9c57e0084243f6a2e19bd874171c6c 14.00/6.85 [2019-03-28 22:33:30,875 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.00/6.85 [2019-03-28 22:33:30,876 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.00/6.85 [2019-03-28 22:33:30,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.00/6.85 [2019-03-28 22:33:30,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.00/6.85 [2019-03-28 22:33:30,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.00/6.85 [2019-03-28 22:33:30,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:33:30" (1/1) ... 14.00/6.85 [2019-03-28 22:33:30,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7d7780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:30, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:30,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:33:30" (1/1) ... 14.00/6.85 [2019-03-28 22:33:30,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.00/6.85 [2019-03-28 22:33:30,910 INFO L176 MainTranslator]: Built tables and reachable declarations 14.00/6.85 [2019-03-28 22:33:31,068 INFO L206 PostProcessor]: Analyzing one entry point: main 14.00/6.85 [2019-03-28 22:33:31,072 INFO L191 MainTranslator]: Completed pre-run 14.00/6.85 [2019-03-28 22:33:31,089 INFO L206 PostProcessor]: Analyzing one entry point: main 14.00/6.85 [2019-03-28 22:33:31,104 INFO L195 MainTranslator]: Completed translation 14.00/6.85 [2019-03-28 22:33:31,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31 WrapperNode 14.00/6.85 [2019-03-28 22:33:31,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.00/6.85 [2019-03-28 22:33:31,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.00/6.85 [2019-03-28 22:33:31,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.00/6.85 [2019-03-28 22:33:31,105 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.00/6.85 [2019-03-28 22:33:31,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.00/6.85 [2019-03-28 22:33:31,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.00/6.85 [2019-03-28 22:33:31,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.00/6.85 [2019-03-28 22:33:31,196 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.00/6.85 [2019-03-28 22:33:31,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.00/6.85 [2019-03-28 22:33:31,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.00/6.85 [2019-03-28 22:33:31,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.00/6.85 [2019-03-28 22:33:31,217 INFO L276 PluginConnector]: RCFGBuilder initialized 14.00/6.85 [2019-03-28 22:33:31,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (1/1) ... 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.00/6.85 [2019-03-28 22:33:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.00/6.85 [2019-03-28 22:33:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.00/6.85 [2019-03-28 22:33:31,395 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.00/6.85 [2019-03-28 22:33:31,395 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.00/6.85 [2019-03-28 22:33:31,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:31 BoogieIcfgContainer 14.00/6.85 [2019-03-28 22:33:31,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.00/6.85 [2019-03-28 22:33:31,397 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.00/6.85 [2019-03-28 22:33:31,397 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.00/6.85 [2019-03-28 22:33:31,399 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.00/6.85 [2019-03-28 22:33:31,400 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:31" (1/1) ... 14.00/6.85 [2019-03-28 22:33:31,414 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.00/6.85 [2019-03-28 22:33:31,415 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.00/6.85 [2019-03-28 22:33:31,416 INFO L263 BlockEncoder]: Using Maximize final states 14.00/6.85 [2019-03-28 22:33:31,416 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.00/6.85 [2019-03-28 22:33:31,417 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.00/6.85 [2019-03-28 22:33:31,419 INFO L296 BlockEncoder]: Using Remove sink states 14.00/6.85 [2019-03-28 22:33:31,419 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.00/6.85 [2019-03-28 22:33:31,420 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.00/6.85 [2019-03-28 22:33:31,433 INFO L185 BlockEncoder]: Using Use SBE 14.00/6.85 [2019-03-28 22:33:31,441 INFO L200 BlockEncoder]: SBE split 0 edges 14.00/6.85 [2019-03-28 22:33:31,446 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.00/6.85 [2019-03-28 22:33:31,448 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.00/6.85 [2019-03-28 22:33:31,461 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.00/6.85 [2019-03-28 22:33:31,463 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.00/6.85 [2019-03-28 22:33:31,465 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.00/6.85 [2019-03-28 22:33:31,465 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.00/6.85 [2019-03-28 22:33:31,465 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.00/6.85 [2019-03-28 22:33:31,466 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.00/6.85 [2019-03-28 22:33:31,466 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.00/6.85 [2019-03-28 22:33:31,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:33:31 BasicIcfg 14.00/6.85 [2019-03-28 22:33:31,466 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.00/6.85 [2019-03-28 22:33:31,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.00/6.85 [2019-03-28 22:33:31,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.00/6.85 [2019-03-28 22:33:31,471 INFO L276 PluginConnector]: TraceAbstraction initialized 14.00/6.85 [2019-03-28 22:33:31,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:33:30" (1/4) ... 14.00/6.85 [2019-03-28 22:33:31,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2956e71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (2/4) ... 14.00/6.85 [2019-03-28 22:33:31,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2956e71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:31" (3/4) ... 14.00/6.85 [2019-03-28 22:33:31,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2956e71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:33:31" (4/4) ... 14.00/6.85 [2019-03-28 22:33:31,474 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.00/6.85 [2019-03-28 22:33:31,484 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.00/6.85 [2019-03-28 22:33:31,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.00/6.85 [2019-03-28 22:33:31,508 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.00/6.85 [2019-03-28 22:33:31,535 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.00/6.85 [2019-03-28 22:33:31,536 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.00/6.85 [2019-03-28 22:33:31,536 INFO L383 AbstractCegarLoop]: Hoare is true 14.00/6.85 [2019-03-28 22:33:31,536 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.00/6.85 [2019-03-28 22:33:31,536 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.00/6.85 [2019-03-28 22:33:31,536 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.00/6.85 [2019-03-28 22:33:31,537 INFO L387 AbstractCegarLoop]: Difference is false 14.00/6.85 [2019-03-28 22:33:31,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.00/6.85 [2019-03-28 22:33:31,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.00/6.85 [2019-03-28 22:33:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.00/6.85 [2019-03-28 22:33:31,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.00/6.85 [2019-03-28 22:33:31,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.00/6.85 [2019-03-28 22:33:31,607 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.00/6.85 [2019-03-28 22:33:31,607 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 15) the Hoare annotation is: true 14.00/6.85 [2019-03-28 22:33:31,608 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 17) the Hoare annotation is: true 14.00/6.85 [2019-03-28 22:33:31,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:33:31 BasicIcfg 14.00/6.85 [2019-03-28 22:33:31,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.00/6.85 [2019-03-28 22:33:31,617 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.00/6.85 [2019-03-28 22:33:31,617 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.00/6.85 [2019-03-28 22:33:31,620 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.00/6.85 [2019-03-28 22:33:31,621 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.00/6.85 [2019-03-28 22:33:31,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:33:30" (1/5) ... 14.00/6.85 [2019-03-28 22:33:31,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a503446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,622 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.00/6.85 [2019-03-28 22:33:31,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:31" (2/5) ... 14.00/6.85 [2019-03-28 22:33:31,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a503446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,622 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.00/6.85 [2019-03-28 22:33:31,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:31" (3/5) ... 14.00/6.85 [2019-03-28 22:33:31,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a503446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,623 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.00/6.85 [2019-03-28 22:33:31,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:33:31" (4/5) ... 14.00/6.85 [2019-03-28 22:33:31,624 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a503446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:33:31, skipping insertion in model container 14.00/6.85 [2019-03-28 22:33:31,624 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.00/6.85 [2019-03-28 22:33:31,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:33:31" (5/5) ... 14.00/6.85 [2019-03-28 22:33:31,625 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.00/6.85 [2019-03-28 22:33:31,651 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.00/6.85 [2019-03-28 22:33:31,652 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.00/6.85 [2019-03-28 22:33:31,652 INFO L375 BuchiCegarLoop]: Hoare is true 14.00/6.85 [2019-03-28 22:33:31,652 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.00/6.85 [2019-03-28 22:33:31,652 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.00/6.85 [2019-03-28 22:33:31,652 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.00/6.85 [2019-03-28 22:33:31,652 INFO L379 BuchiCegarLoop]: Difference is false 14.00/6.85 [2019-03-28 22:33:31,653 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.00/6.85 [2019-03-28 22:33:31,653 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.00/6.85 [2019-03-28 22:33:31,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.00/6.85 [2019-03-28 22:33:31,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.00/6.85 [2019-03-28 22:33:31,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.00/6.85 [2019-03-28 22:33:31,673 INFO L119 BuchiIsEmpty]: Starting construction of run 14.00/6.85 [2019-03-28 22:33:31,678 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.00/6.85 [2019-03-28 22:33:31,678 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.00/6.85 [2019-03-28 22:33:31,679 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.00/6.85 [2019-03-28 22:33:31,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.00/6.85 [2019-03-28 22:33:31,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.00/6.85 [2019-03-28 22:33:31,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.00/6.85 [2019-03-28 22:33:31,680 INFO L119 BuchiIsEmpty]: Starting construction of run 14.00/6.85 [2019-03-28 22:33:31,680 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.00/6.85 [2019-03-28 22:33:31,680 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.00/6.85 [2019-03-28 22:33:31,685 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L10-2true 14.00/6.85 [2019-03-28 22:33:31,685 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13) (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L10-2true 14.00/6.85 [2019-03-28 22:33:31,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:31,691 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 14.00/6.85 [2019-03-28 22:33:31,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.00/6.85 [2019-03-28 22:33:31,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.00/6.85 [2019-03-28 22:33:31,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:31,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:31,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times 14.00/6.85 [2019-03-28 22:33:31,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.00/6.85 [2019-03-28 22:33:31,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.00/6.85 [2019-03-28 22:33:31,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:31,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:31,775 INFO L82 PathProgramCache]: Analyzing trace with hash 63719, now seen corresponding path program 1 times 14.00/6.85 [2019-03-28 22:33:31,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.00/6.85 [2019-03-28 22:33:31,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.00/6.85 [2019-03-28 22:33:31,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:31,833 INFO L216 LassoAnalysis]: Preferences: 14.00/6.85 [2019-03-28 22:33:31,835 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.00/6.85 [2019-03-28 22:33:31,835 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.00/6.85 [2019-03-28 22:33:31,835 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.00/6.85 [2019-03-28 22:33:31,835 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.00/6.85 [2019-03-28 22:33:31,835 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:31,835 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.00/6.85 [2019-03-28 22:33:31,836 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.00/6.85 [2019-03-28 22:33:31,836 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.00/6.85 [2019-03-28 22:33:31,836 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.00/6.85 [2019-03-28 22:33:31,836 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.00/6.85 [2019-03-28 22:33:31,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:31,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:31,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:31,986 INFO L300 LassoAnalysis]: Preprocessing complete. 14.00/6.85 [2019-03-28 22:33:31,987 INFO L412 LassoAnalysis]: Checking for nontermination... 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:31,993 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:31,993 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,025 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,025 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: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,032 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,064 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,064 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: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,068 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,069 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,101 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,102 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,135 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.00/6.85 [2019-03-28 22:33:32,137 INFO L216 LassoAnalysis]: Preferences: 14.00/6.85 [2019-03-28 22:33:32,137 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.00/6.85 [2019-03-28 22:33:32,137 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.00/6.85 [2019-03-28 22:33:32,138 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.00/6.85 [2019-03-28 22:33:32,138 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.00/6.85 [2019-03-28 22:33:32,138 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,138 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.00/6.85 [2019-03-28 22:33:32,138 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.00/6.85 [2019-03-28 22:33:32,138 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.00/6.85 [2019-03-28 22:33:32,138 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.00/6.85 [2019-03-28 22:33:32,138 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.00/6.85 [2019-03-28 22:33:32,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,214 INFO L300 LassoAnalysis]: Preprocessing complete. 14.00/6.85 [2019-03-28 22:33:32,220 INFO L497 LassoAnalysis]: Using template 'affine'. 14.00/6.85 [2019-03-28 22:33:32,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.00/6.85 Termination analysis: LINEAR_WITH_GUESSES 14.00/6.85 Number of strict supporting invariants: 0 14.00/6.85 Number of non-strict supporting invariants: 1 14.00/6.85 Consider only non-deceasing supporting invariants: true 14.00/6.85 Simplify termination arguments: true 14.00/6.85 Simplify supporting invariants: trueOverapproximate stem: false 14.00/6.85 [2019-03-28 22:33:32,223 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.00/6.85 [2019-03-28 22:33:32,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.00/6.85 [2019-03-28 22:33:32,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.00/6.85 [2019-03-28 22:33:32,224 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.00/6.85 [2019-03-28 22:33:32,228 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.00/6.85 [2019-03-28 22:33:32,228 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.00/6.85 [2019-03-28 22:33:32,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.00/6.85 [2019-03-28 22:33:32,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.00/6.85 Termination analysis: LINEAR_WITH_GUESSES 14.00/6.85 Number of strict supporting invariants: 0 14.00/6.85 Number of non-strict supporting invariants: 1 14.00/6.85 Consider only non-deceasing supporting invariants: true 14.00/6.85 Simplify termination arguments: true 14.00/6.85 Simplify supporting invariants: trueOverapproximate stem: false 14.00/6.85 [2019-03-28 22:33:32,237 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.00/6.85 [2019-03-28 22:33:32,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.00/6.85 [2019-03-28 22:33:32,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.00/6.85 [2019-03-28 22:33:32,238 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.00/6.85 [2019-03-28 22:33:32,241 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.00/6.85 [2019-03-28 22:33:32,241 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.00/6.85 [2019-03-28 22:33:32,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.00/6.85 [2019-03-28 22:33:32,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.00/6.85 Termination analysis: LINEAR_WITH_GUESSES 14.00/6.85 Number of strict supporting invariants: 0 14.00/6.85 Number of non-strict supporting invariants: 1 14.00/6.85 Consider only non-deceasing supporting invariants: true 14.00/6.85 Simplify termination arguments: true 14.00/6.85 Simplify supporting invariants: trueOverapproximate stem: false 14.00/6.85 [2019-03-28 22:33:32,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.00/6.85 [2019-03-28 22:33:32,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.00/6.85 [2019-03-28 22:33:32,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.00/6.85 [2019-03-28 22:33:32,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.00/6.85 [2019-03-28 22:33:32,251 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.00/6.85 [2019-03-28 22:33:32,252 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.00/6.85 [2019-03-28 22:33:32,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.00/6.85 [2019-03-28 22:33:32,260 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.00/6.85 [2019-03-28 22:33:32,266 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.00/6.85 [2019-03-28 22:33:32,267 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 14.00/6.85 [2019-03-28 22:33:32,269 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.00/6.85 [2019-03-28 22:33:32,269 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.00/6.85 [2019-03-28 22:33:32,269 INFO L518 LassoAnalysis]: Proved termination. 14.00/6.85 [2019-03-28 22:33:32,270 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.00/6.85 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 14.00/6.85 Supporting invariants [] 14.00/6.85 [2019-03-28 22:33:32,271 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.00/6.85 [2019-03-28 22:33:32,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.00/6.85 [2019-03-28 22:33:32,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.00/6.85 [2019-03-28 22:33:32,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.00/6.85 [2019-03-28 22:33:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.00/6.85 [2019-03-28 22:33:32,317 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.00/6.85 [2019-03-28 22:33:32,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.00/6.85 [2019-03-28 22:33:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.00/6.85 [2019-03-28 22:33:32,353 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.00/6.85 [2019-03-28 22:33:32,358 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 14.00/6.85 [2019-03-28 22:33:32,359 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.00/6.85 [2019-03-28 22:33:32,386 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.00/6.85 [2019-03-28 22:33:32,386 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 14.00/6.85 [2019-03-28 22:33:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.00/6.85 [2019-03-28 22:33:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.00/6.85 [2019-03-28 22:33:32,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.00/6.85 [2019-03-28 22:33:32,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.00/6.85 [2019-03-28 22:33:32,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.00/6.85 [2019-03-28 22:33:32,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.00/6.85 [2019-03-28 22:33:32,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.00/6.85 [2019-03-28 22:33:32,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.00/6.85 [2019-03-28 22:33:32,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.00/6.85 [2019-03-28 22:33:32,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.00/6.85 [2019-03-28 22:33:32,402 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.00/6.85 [2019-03-28 22:33:32,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.00/6.85 [2019-03-28 22:33:32,403 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.00/6.85 [2019-03-28 22:33:32,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.00/6.85 [2019-03-28 22:33:32,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.00/6.85 [2019-03-28 22:33:32,404 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.00/6.85 [2019-03-28 22:33:32,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.00/6.85 [2019-03-28 22:33:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.00/6.85 [2019-03-28 22:33:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.00/6.85 [2019-03-28 22:33:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.00/6.85 [2019-03-28 22:33:32,431 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.00/6.85 [2019-03-28 22:33:32,432 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.00/6.85 [2019-03-28 22:33:32,432 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.00/6.85 [2019-03-28 22:33:32,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.00/6.85 [2019-03-28 22:33:32,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.00/6.85 [2019-03-28 22:33:32,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.00/6.85 [2019-03-28 22:33:32,433 INFO L119 BuchiIsEmpty]: Starting construction of run 14.00/6.85 [2019-03-28 22:33:32,433 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.00/6.85 [2019-03-28 22:33:32,433 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.00/6.85 [2019-03-28 22:33:32,433 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 46#L10-2 [39] L10-2-->L12-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 42#L12-2 14.00/6.85 [2019-03-28 22:33:32,434 INFO L796 eck$LassoCheckResult]: Loop: 42#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (* 2 v_ULTIMATE.start_main_~y~0_8)) (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0] 42#L12-2 14.00/6.85 [2019-03-28 22:33:32,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:32,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times 14.00/6.85 [2019-03-28 22:33:32,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.00/6.85 [2019-03-28 22:33:32,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.00/6.85 [2019-03-28 22:33:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:32,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:32,442 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 14.00/6.85 [2019-03-28 22:33:32,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.00/6.85 [2019-03-28 22:33:32,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.00/6.85 [2019-03-28 22:33:32,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:32,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:32,450 INFO L82 PathProgramCache]: Analyzing trace with hash 63707, now seen corresponding path program 1 times 14.00/6.85 [2019-03-28 22:33:32,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.00/6.85 [2019-03-28 22:33:32,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.00/6.85 [2019-03-28 22:33:32,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.00/6.85 [2019-03-28 22:33:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.00/6.85 [2019-03-28 22:33:32,474 INFO L216 LassoAnalysis]: Preferences: 14.00/6.85 [2019-03-28 22:33:32,474 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.00/6.85 [2019-03-28 22:33:32,474 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.00/6.85 [2019-03-28 22:33:32,474 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.00/6.85 [2019-03-28 22:33:32,474 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.00/6.85 [2019-03-28 22:33:32,475 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,475 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.00/6.85 [2019-03-28 22:33:32,475 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.00/6.85 [2019-03-28 22:33:32,475 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.00/6.85 [2019-03-28 22:33:32,475 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.00/6.85 [2019-03-28 22:33:32,475 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.00/6.85 [2019-03-28 22:33:32,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,541 INFO L300 LassoAnalysis]: Preprocessing complete. 14.00/6.85 [2019-03-28 22:33:32,541 INFO L412 LassoAnalysis]: Checking for nontermination... 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,549 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,550 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,576 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,576 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,597 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,597 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,623 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,623 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,630 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,630 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,659 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,659 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,691 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,692 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,718 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,745 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,745 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.00/6.85 [2019-03-28 22:33:32,778 INFO L216 LassoAnalysis]: Preferences: 14.00/6.85 [2019-03-28 22:33:32,779 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.00/6.85 [2019-03-28 22:33:32,779 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.00/6.85 [2019-03-28 22:33:32,779 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.00/6.85 [2019-03-28 22:33:32,779 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.00/6.85 [2019-03-28 22:33:32,779 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,779 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.00/6.85 [2019-03-28 22:33:32,780 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.00/6.85 [2019-03-28 22:33:32,780 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 14.00/6.85 [2019-03-28 22:33:32,780 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.00/6.85 [2019-03-28 22:33:32,780 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.00/6.85 [2019-03-28 22:33:32,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:32,880 INFO L300 LassoAnalysis]: Preprocessing complete. 14.00/6.85 [2019-03-28 22:33:32,880 INFO L412 LassoAnalysis]: Checking for nontermination... 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,885 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,885 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,889 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,889 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,920 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,921 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,948 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,948 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: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,953 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,953 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:32,956 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.00/6.85 [2019-03-28 22:33:32,956 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: [] 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:32,983 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:32,984 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.00/6.85 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.00/6.85 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:33,015 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.00/6.85 [2019-03-28 22:33:33,015 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.00/6.85 [2019-03-28 22:33:33,130 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.00/6.85 [2019-03-28 22:33:33,133 INFO L216 LassoAnalysis]: Preferences: 14.00/6.85 [2019-03-28 22:33:33,133 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.00/6.85 [2019-03-28 22:33:33,133 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.00/6.85 [2019-03-28 22:33:33,133 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.00/6.85 [2019-03-28 22:33:33,133 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.00/6.85 [2019-03-28 22:33:33,133 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.00/6.85 [2019-03-28 22:33:33,134 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.00/6.85 [2019-03-28 22:33:33,134 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.00/6.85 [2019-03-28 22:33:33,134 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 14.00/6.85 [2019-03-28 22:33:33,134 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.00/6.85 [2019-03-28 22:33:33,135 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.00/6.85 [2019-03-28 22:33:33,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.00/6.85 [2019-03-28 22:33:33,243 INFO L300 LassoAnalysis]: Preprocessing complete. 14.00/6.85 [2019-03-28 22:33:33,244 INFO L497 LassoAnalysis]: Using template 'affine'. 14.00/6.85 [2019-03-28 22:33:33,244 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.00/6.85 Termination analysis: LINEAR_WITH_GUESSES 14.00/6.85 Number of strict supporting invariants: 0 14.00/6.85 Number of non-strict supporting invariants: 1 14.00/6.85 Consider only non-deceasing supporting invariants: true 14.00/6.85 Simplify termination arguments: true 14.00/6.85 Simplify supporting invariants: trueOverapproximate stem: false 14.00/6.85 [2019-03-28 22:33:33,245 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.00/6.85 [2019-03-28 22:33:33,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.00/6.85 [2019-03-28 22:33:33,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.00/6.85 [2019-03-28 22:33:33,246 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.00/6.85 [2019-03-28 22:33:33,250 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.00/6.85 [2019-03-28 22:33:33,250 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.00/6.85 [2019-03-28 22:33:33,290 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.00/6.85 [2019-03-28 22:33:33,308 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.00/6.85 [2019-03-28 22:33:33,308 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. 14.00/6.85 [2019-03-28 22:33:33,309 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.00/6.85 [2019-03-28 22:33:33,311 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 14.00/6.85 [2019-03-28 22:33:33,312 INFO L518 LassoAnalysis]: Proved termination. 14.00/6.85 [2019-03-28 22:33:33,312 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.00/6.85 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 14.00/6.85 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] 14.00/6.85 [2019-03-28 22:33:33,323 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 14.00/6.85 [2019-03-28 22:33:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.00/6.85 [2019-03-28 22:33:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.00/6.85 [2019-03-28 22:33:33,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core 14.00/6.85 [2019-03-28 22:33:33,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.00/6.85 [2019-03-28 22:33:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.00/6.85 [2019-03-28 22:33:33,363 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 14.00/6.85 [2019-03-28 22:33:33,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.00/6.85 [2019-03-28 22:33:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.00/6.85 [2019-03-28 22:33:33,375 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.00/6.85 [2019-03-28 22:33:33,375 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 14.00/6.85 [2019-03-28 22:33:33,376 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.00/6.85 [2019-03-28 22:33:33,431 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 17 states and 26 transitions. Complement of second has 10 states. 14.00/6.85 [2019-03-28 22:33:33,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 14.00/6.85 [2019-03-28 22:33:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.00/6.85 [2019-03-28 22:33:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 14.00/6.85 [2019-03-28 22:33:33,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. 14.00/6.85 [2019-03-28 22:33:33,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.00/6.85 [2019-03-28 22:33:33,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. 14.00/6.85 [2019-03-28 22:33:33,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.00/6.85 [2019-03-28 22:33:33,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 14.00/6.85 [2019-03-28 22:33:33,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.00/6.85 [2019-03-28 22:33:33,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 26 transitions. 14.00/6.85 [2019-03-28 22:33:33,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.00/6.85 [2019-03-28 22:33:33,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. 14.00/6.85 [2019-03-28 22:33:33,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.00/6.85 [2019-03-28 22:33:33,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.00/6.85 [2019-03-28 22:33:33,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.00/6.85 [2019-03-28 22:33:33,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.00/6.85 [2019-03-28 22:33:33,438 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.00/6.85 [2019-03-28 22:33:33,438 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.00/6.85 [2019-03-28 22:33:33,438 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.00/6.85 [2019-03-28 22:33:33,438 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.00/6.85 [2019-03-28 22:33:33,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.00/6.85 [2019-03-28 22:33:33,438 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.00/6.85 [2019-03-28 22:33:33,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.00/6.85 [2019-03-28 22:33:33,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:33:33 BasicIcfg 14.00/6.85 [2019-03-28 22:33:33,444 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.00/6.85 [2019-03-28 22:33:33,445 INFO L168 Benchmark]: Toolchain (without parser) took 2569.46 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 559.3 MB in the beginning and 405.8 MB in the end (delta: 153.6 MB). Peak memory consumption was 177.7 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,446 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.27 ms. Allocated memory is still 649.6 MB. Free memory was 559.3 MB in the beginning and 549.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.80 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 549.6 MB in the beginning and 641.7 MB in the end (delta: -92.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,448 INFO L168 Benchmark]: Boogie Preprocessor took 19.86 ms. Allocated memory is still 673.7 MB. Free memory was 641.7 MB in the beginning and 637.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,449 INFO L168 Benchmark]: RCFGBuilder took 180.32 ms. Allocated memory is still 673.7 MB. Free memory was 637.8 MB in the beginning and 625.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,449 INFO L168 Benchmark]: BlockEncodingV2 took 69.60 ms. Allocated memory is still 673.7 MB. Free memory was 625.4 MB in the beginning and 618.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,450 INFO L168 Benchmark]: TraceAbstraction took 148.67 ms. Allocated memory is still 673.7 MB. Free memory was 618.9 MB in the beginning and 609.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,450 INFO L168 Benchmark]: BuchiAutomizer took 1827.83 ms. Allocated memory is still 673.7 MB. Free memory was 609.2 MB in the beginning and 405.8 MB in the end (delta: 203.4 MB). Peak memory consumption was 203.4 MB. Max. memory is 50.3 GB. 14.00/6.85 [2019-03-28 22:33:33,454 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.00/6.85 --- Results --- 14.00/6.85 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.00/6.85 - StatisticsResult: Initial Icfg 14.00/6.85 8 locations, 11 edges 14.00/6.85 - StatisticsResult: Encoded RCFG 14.00/6.85 3 locations, 4 edges 14.00/6.85 * Results from de.uni_freiburg.informatik.ultimate.core: 14.00/6.85 - StatisticsResult: Toolchain Benchmarks 14.00/6.85 Benchmark results are: 14.00/6.85 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.00/6.85 * CACSL2BoogieTranslator took 227.27 ms. Allocated memory is still 649.6 MB. Free memory was 559.3 MB in the beginning and 549.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 14.00/6.85 * Boogie Procedure Inliner took 90.80 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 549.6 MB in the beginning and 641.7 MB in the end (delta: -92.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 14.00/6.85 * Boogie Preprocessor took 19.86 ms. Allocated memory is still 673.7 MB. Free memory was 641.7 MB in the beginning and 637.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 14.00/6.85 * RCFGBuilder took 180.32 ms. Allocated memory is still 673.7 MB. Free memory was 637.8 MB in the beginning and 625.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 14.00/6.85 * BlockEncodingV2 took 69.60 ms. Allocated memory is still 673.7 MB. Free memory was 625.4 MB in the beginning and 618.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.00/6.85 * TraceAbstraction took 148.67 ms. Allocated memory is still 673.7 MB. Free memory was 618.9 MB in the beginning and 609.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 14.00/6.85 * BuchiAutomizer took 1827.83 ms. Allocated memory is still 673.7 MB. Free memory was 609.2 MB in the beginning and 405.8 MB in the end (delta: 203.4 MB). Peak memory consumption was 203.4 MB. Max. memory is 50.3 GB. 14.00/6.85 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.00/6.85 - AllSpecificationsHoldResult: All specifications hold 14.00/6.85 We were not able to verify any specifiation because the program does not contain any specification. 14.00/6.85 - InvariantResult [Line: 12]: Loop Invariant 14.00/6.85 Derived loop invariant: 1 14.00/6.85 - InvariantResult [Line: 10]: Loop Invariant 14.00/6.85 Derived loop invariant: 1 14.00/6.85 - StatisticsResult: Ultimate Automizer benchmark data 14.00/6.85 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.00/6.85 - StatisticsResult: Constructed decomposition of program 14.00/6.85 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 4 locations. 14.00/6.85 - StatisticsResult: Timing statistics 14.00/6.85 BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 8 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax166 hnf100 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf106 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.00/6.85 - TerminationAnalysisResult: Termination proven 14.00/6.85 Buchi Automizer proved that your program is terminating 14.00/6.85 RESULT: Ultimate proved your program to be correct! 14.00/6.85 !SESSION 2019-03-28 22:33:27.757 ----------------------------------------------- 14.00/6.85 eclipse.buildId=unknown 14.00/6.85 java.version=1.8.0_144 14.00/6.85 java.vendor=Oracle Corporation 14.00/6.85 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.00/6.85 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.00/6.85 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 14.00/6.85 14.00/6.85 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:33:33.685 14.00/6.85 !MESSAGE The workspace will exit with unsaved changes in this session. 14.00/6.85 Received shutdown request... 14.00/6.85 Ultimate: 14.00/6.85 GTK+ Version Check 14.00/6.85 EOF