23.82/14.25 YES 23.82/14.25 23.82/14.25 Ultimate: Cannot open display: 23.82/14.25 This is Ultimate 0.1.24-8dc7c08-m 23.82/14.25 [2019-03-29 01:55:48,102 INFO L170 SettingsManager]: Resetting all preferences to default values... 23.82/14.25 [2019-03-29 01:55:48,104 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 23.82/14.25 [2019-03-29 01:55:48,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 23.82/14.25 [2019-03-29 01:55:48,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 23.82/14.25 [2019-03-29 01:55:48,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 23.82/14.25 [2019-03-29 01:55:48,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 23.82/14.25 [2019-03-29 01:55:48,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 23.82/14.25 [2019-03-29 01:55:48,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 23.82/14.25 [2019-03-29 01:55:48,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 23.82/14.25 [2019-03-29 01:55:48,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 23.82/14.25 [2019-03-29 01:55:48,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 23.82/14.25 [2019-03-29 01:55:48,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 23.82/14.25 [2019-03-29 01:55:48,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 23.82/14.25 [2019-03-29 01:55:48,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 23.82/14.25 [2019-03-29 01:55:48,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 23.82/14.25 [2019-03-29 01:55:48,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 23.82/14.25 [2019-03-29 01:55:48,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 23.82/14.25 [2019-03-29 01:55:48,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 23.82/14.25 [2019-03-29 01:55:48,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 23.82/14.25 [2019-03-29 01:55:48,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 23.82/14.25 [2019-03-29 01:55:48,138 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 23.82/14.25 [2019-03-29 01:55:48,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 23.82/14.25 [2019-03-29 01:55:48,140 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 23.82/14.25 [2019-03-29 01:55:48,141 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 23.82/14.25 [2019-03-29 01:55:48,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 23.82/14.25 [2019-03-29 01:55:48,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 23.82/14.25 [2019-03-29 01:55:48,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 23.82/14.25 [2019-03-29 01:55:48,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 23.82/14.25 [2019-03-29 01:55:48,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 23.82/14.25 [2019-03-29 01:55:48,145 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 23.82/14.25 [2019-03-29 01:55:48,146 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 23.82/14.25 [2019-03-29 01:55:48,146 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 23.82/14.25 [2019-03-29 01:55:48,161 INFO L110 SettingsManager]: Loading preferences was successful 23.82/14.25 [2019-03-29 01:55:48,161 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 23.82/14.25 [2019-03-29 01:55:48,162 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 23.82/14.25 [2019-03-29 01:55:48,163 INFO L133 SettingsManager]: * Rewrite not-equals=true 23.82/14.25 [2019-03-29 01:55:48,163 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 23.82/14.25 [2019-03-29 01:55:48,163 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 23.82/14.25 [2019-03-29 01:55:48,163 INFO L133 SettingsManager]: * Use SBE=true 23.82/14.25 [2019-03-29 01:55:48,163 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Use old map elimination=false 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 23.82/14.25 [2019-03-29 01:55:48,164 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:48,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 23.82/14.25 [2019-03-29 01:55:48,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 23.82/14.25 [2019-03-29 01:55:48,165 INFO L133 SettingsManager]: * Check division by zero=IGNORE 23.82/14.25 [2019-03-29 01:55:48,165 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 23.82/14.25 [2019-03-29 01:55:48,165 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 23.82/14.25 [2019-03-29 01:55:48,166 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 23.82/14.25 [2019-03-29 01:55:48,166 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 23.82/14.25 [2019-03-29 01:55:48,166 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 23.82/14.25 [2019-03-29 01:55:48,166 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 23.82/14.25 [2019-03-29 01:55:48,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.82/14.25 [2019-03-29 01:55:48,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 23.82/14.25 [2019-03-29 01:55:48,167 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 23.82/14.25 [2019-03-29 01:55:48,167 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 23.82/14.25 [2019-03-29 01:55:48,167 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 23.82/14.25 [2019-03-29 01:55:48,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 23.82/14.25 [2019-03-29 01:55:48,207 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 23.82/14.25 [2019-03-29 01:55:48,211 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 23.82/14.25 [2019-03-29 01:55:48,212 INFO L271 PluginConnector]: Initializing CDTParser... 23.82/14.25 [2019-03-29 01:55:48,213 INFO L276 PluginConnector]: CDTParser initialized 23.82/14.25 [2019-03-29 01:55:48,213 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 23.82/14.25 [2019-03-29 01:55:48,290 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b562acde2bf34f50b8e9e7503621dabf/FLAG358089ea1 23.82/14.25 [2019-03-29 01:55:48,637 INFO L307 CDTParser]: Found 1 translation units. 23.82/14.25 [2019-03-29 01:55:48,638 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 23.82/14.25 [2019-03-29 01:55:48,645 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b562acde2bf34f50b8e9e7503621dabf/FLAG358089ea1 23.82/14.25 [2019-03-29 01:55:49,043 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b562acde2bf34f50b8e9e7503621dabf 23.82/14.25 [2019-03-29 01:55:49,054 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 23.82/14.25 [2019-03-29 01:55:49,056 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 23.82/14.25 [2019-03-29 01:55:49,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 23.82/14.25 [2019-03-29 01:55:49,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 23.82/14.25 [2019-03-29 01:55:49,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 23.82/14.25 [2019-03-29 01:55:49,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7207b519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 23.82/14.25 [2019-03-29 01:55:49,090 INFO L176 MainTranslator]: Built tables and reachable declarations 23.82/14.25 [2019-03-29 01:55:49,247 INFO L206 PostProcessor]: Analyzing one entry point: main 23.82/14.25 [2019-03-29 01:55:49,251 INFO L191 MainTranslator]: Completed pre-run 23.82/14.25 [2019-03-29 01:55:49,268 INFO L206 PostProcessor]: Analyzing one entry point: main 23.82/14.25 [2019-03-29 01:55:49,284 INFO L195 MainTranslator]: Completed translation 23.82/14.25 [2019-03-29 01:55:49,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49 WrapperNode 23.82/14.25 [2019-03-29 01:55:49,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 23.82/14.25 [2019-03-29 01:55:49,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 23.82/14.25 [2019-03-29 01:55:49,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 23.82/14.25 [2019-03-29 01:55:49,285 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 23.82/14.25 [2019-03-29 01:55:49,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 23.82/14.25 [2019-03-29 01:55:49,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 23.82/14.25 [2019-03-29 01:55:49,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 23.82/14.25 [2019-03-29 01:55:49,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized 23.82/14.25 [2019-03-29 01:55:49,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 23.82/14.25 [2019-03-29 01:55:49,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 23.82/14.25 [2019-03-29 01:55:49,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... 23.82/14.25 [2019-03-29 01:55:49,412 INFO L276 PluginConnector]: RCFGBuilder initialized 23.82/14.25 [2019-03-29 01:55:49,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (1/1) ... 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.82/14.25 [2019-03-29 01:55:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 23.82/14.25 [2019-03-29 01:55:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 23.82/14.25 [2019-03-29 01:55:49,627 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 23.82/14.25 [2019-03-29 01:55:49,627 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 23.82/14.25 [2019-03-29 01:55:49,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:49 BoogieIcfgContainer 23.82/14.25 [2019-03-29 01:55:49,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 23.82/14.25 [2019-03-29 01:55:49,629 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 23.82/14.25 [2019-03-29 01:55:49,629 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 23.82/14.25 [2019-03-29 01:55:49,632 INFO L276 PluginConnector]: BlockEncodingV2 initialized 23.82/14.25 [2019-03-29 01:55:49,632 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:49" (1/1) ... 23.82/14.25 [2019-03-29 01:55:49,648 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 23.82/14.25 [2019-03-29 01:55:49,650 INFO L258 BlockEncoder]: Using Remove infeasible edges 23.82/14.25 [2019-03-29 01:55:49,651 INFO L263 BlockEncoder]: Using Maximize final states 23.82/14.25 [2019-03-29 01:55:49,652 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 23.82/14.25 [2019-03-29 01:55:49,652 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 23.82/14.25 [2019-03-29 01:55:49,654 INFO L296 BlockEncoder]: Using Remove sink states 23.82/14.25 [2019-03-29 01:55:49,655 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 23.82/14.25 [2019-03-29 01:55:49,655 INFO L179 BlockEncoder]: Using Rewrite not-equals 23.82/14.25 [2019-03-29 01:55:49,672 INFO L185 BlockEncoder]: Using Use SBE 23.82/14.25 [2019-03-29 01:55:49,691 INFO L200 BlockEncoder]: SBE split 1 edges 23.82/14.25 [2019-03-29 01:55:49,696 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 23.82/14.25 [2019-03-29 01:55:49,698 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.82/14.25 [2019-03-29 01:55:49,708 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 23.82/14.25 [2019-03-29 01:55:49,711 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 23.82/14.25 [2019-03-29 01:55:49,713 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 23.82/14.25 [2019-03-29 01:55:49,713 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.82/14.25 [2019-03-29 01:55:49,714 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 23.82/14.25 [2019-03-29 01:55:49,714 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 23.82/14.25 [2019-03-29 01:55:49,714 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 23.82/14.25 [2019-03-29 01:55:49,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:49 BasicIcfg 23.82/14.25 [2019-03-29 01:55:49,715 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 23.82/14.25 [2019-03-29 01:55:49,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 23.82/14.25 [2019-03-29 01:55:49,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... 23.82/14.25 [2019-03-29 01:55:49,720 INFO L276 PluginConnector]: TraceAbstraction initialized 23.82/14.25 [2019-03-29 01:55:49,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:55:49" (1/4) ... 23.82/14.25 [2019-03-29 01:55:49,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2ad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (2/4) ... 23.82/14.25 [2019-03-29 01:55:49,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2ad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:49" (3/4) ... 23.82/14.25 [2019-03-29 01:55:49,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2ad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:49" (4/4) ... 23.82/14.25 [2019-03-29 01:55:49,724 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.82/14.25 [2019-03-29 01:55:49,735 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 23.82/14.25 [2019-03-29 01:55:49,744 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 23.82/14.25 [2019-03-29 01:55:49,762 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 23.82/14.25 [2019-03-29 01:55:49,791 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.82/14.25 [2019-03-29 01:55:49,791 INFO L382 AbstractCegarLoop]: Interprodecural is true 23.82/14.25 [2019-03-29 01:55:49,792 INFO L383 AbstractCegarLoop]: Hoare is true 23.82/14.25 [2019-03-29 01:55:49,792 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 23.82/14.25 [2019-03-29 01:55:49,792 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 23.82/14.25 [2019-03-29 01:55:49,792 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.82/14.25 [2019-03-29 01:55:49,792 INFO L387 AbstractCegarLoop]: Difference is false 23.82/14.25 [2019-03-29 01:55:49,792 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 23.82/14.25 [2019-03-29 01:55:49,793 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 23.82/14.25 [2019-03-29 01:55:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:49,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 23.82/14.25 [2019-03-29 01:55:49,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 23.82/14.25 [2019-03-29 01:55:49,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 23.82/14.25 [2019-03-29 01:55:49,866 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 29) no Hoare annotation was computed. 23.82/14.25 [2019-03-29 01:55:49,866 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 20 30) the Hoare annotation is: true 23.82/14.25 [2019-03-29 01:55:49,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:49 BasicIcfg 23.82/14.25 [2019-03-29 01:55:49,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 23.82/14.25 [2019-03-29 01:55:49,875 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 23.82/14.25 [2019-03-29 01:55:49,875 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 23.82/14.25 [2019-03-29 01:55:49,878 INFO L276 PluginConnector]: BuchiAutomizer initialized 23.82/14.25 [2019-03-29 01:55:49,879 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.82/14.25 [2019-03-29 01:55:49,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:55:49" (1/5) ... 23.82/14.25 [2019-03-29 01:55:49,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37b90532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,880 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.82/14.25 [2019-03-29 01:55:49,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:49" (2/5) ... 23.82/14.25 [2019-03-29 01:55:49,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37b90532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,881 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.82/14.25 [2019-03-29 01:55:49,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:49" (3/5) ... 23.82/14.25 [2019-03-29 01:55:49,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37b90532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,881 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.82/14.25 [2019-03-29 01:55:49,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:49" (4/5) ... 23.82/14.25 [2019-03-29 01:55:49,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37b90532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:49, skipping insertion in model container 23.82/14.25 [2019-03-29 01:55:49,882 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.82/14.25 [2019-03-29 01:55:49,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:49" (5/5) ... 23.82/14.25 [2019-03-29 01:55:49,884 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.82/14.25 [2019-03-29 01:55:49,912 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.82/14.25 [2019-03-29 01:55:49,912 INFO L374 BuchiCegarLoop]: Interprodecural is true 23.82/14.25 [2019-03-29 01:55:49,912 INFO L375 BuchiCegarLoop]: Hoare is true 23.82/14.25 [2019-03-29 01:55:49,912 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 23.82/14.25 [2019-03-29 01:55:49,912 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 23.82/14.25 [2019-03-29 01:55:49,913 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.82/14.25 [2019-03-29 01:55:49,913 INFO L379 BuchiCegarLoop]: Difference is false 23.82/14.25 [2019-03-29 01:55:49,913 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 23.82/14.25 [2019-03-29 01:55:49,914 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 23.82/14.25 [2019-03-29 01:55:49,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:49,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.82/14.25 [2019-03-29 01:55:49,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.82/14.25 [2019-03-29 01:55:49,934 INFO L119 BuchiIsEmpty]: Starting construction of run 23.82/14.25 [2019-03-29 01:55:49,940 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.82/14.25 [2019-03-29 01:55:49,940 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.82/14.25 [2019-03-29 01:55:49,940 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 23.82/14.25 [2019-03-29 01:55:49,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:49,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.82/14.25 [2019-03-29 01:55:49,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.82/14.25 [2019-03-29 01:55:49,941 INFO L119 BuchiIsEmpty]: Starting construction of run 23.82/14.25 [2019-03-29 01:55:49,941 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.82/14.25 [2019-03-29 01:55:49,941 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.82/14.25 [2019-03-29 01:55:49,946 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L21-2true 23.82/14.25 [2019-03-29 01:55:49,947 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-2true [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 3#L21true [34] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet4_3|) (>= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~z~0_10 (+ v_ULTIMATE.start_main_~z~0_11 (- 1))) (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~x~0_10 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L21-2true 23.82/14.25 [2019-03-29 01:55:49,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:49,954 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 23.82/14.25 [2019-03-29 01:55:49,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:49,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:49,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:49,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:49,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times 23.82/14.25 [2019-03-29 01:55:50,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:50,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:50,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:50,044 INFO L82 PathProgramCache]: Analyzing trace with hash 56733, now seen corresponding path program 1 times 23.82/14.25 [2019-03-29 01:55:50,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:50,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:50,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,150 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:50,151 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:50,151 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:50,151 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:50,152 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.82/14.25 [2019-03-29 01:55:50,152 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,152 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:50,152 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:50,152 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.82/14.25 [2019-03-29 01:55:50,152 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:50,153 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:50,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,351 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:50,352 INFO L412 LassoAnalysis]: Checking for nontermination... 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,359 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:50,359 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:50,393 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.82/14.25 [2019-03-29 01:55:50,393 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: [] 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:50,399 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:50,427 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.82/14.25 [2019-03-29 01:55:50,427 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: [] 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,431 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:50,432 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:50,440 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.82/14.25 [2019-03-29 01:55:50,440 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_#t~nondet4=6, ULTIMATE.start_main_~x~0=6} Honda state: {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_#t~nondet4=6, ULTIMATE.start_main_~x~0=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,467 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:50,467 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,497 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:50,498 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:50,528 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.82/14.25 [2019-03-29 01:55:50,530 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:50,530 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:50,530 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:50,530 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:50,530 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.82/14.25 [2019-03-29 01:55:50,531 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,531 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:50,531 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:50,531 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.82/14.25 [2019-03-29 01:55:50,531 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:50,531 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:50,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:50,629 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:50,635 INFO L497 LassoAnalysis]: Using template 'affine'. 23.82/14.25 [2019-03-29 01:55:50,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:50,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:50,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:50,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:50,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:50,644 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:50,644 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:50,653 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.82/14.25 [2019-03-29 01:55:50,654 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:50,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:50,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:50,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:50,655 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:50,657 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:50,658 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:50,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.82/14.25 [2019-03-29 01:55:50,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:50,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:50,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.82/14.25 [2019-03-29 01:55:50,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:50,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:50,668 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:50,669 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:50,669 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:50,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.82/14.25 [2019-03-29 01:55:50,680 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:50,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:50,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.82/14.25 [2019-03-29 01:55:50,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:50,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:50,682 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:50,682 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:50,683 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:50,688 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.82/14.25 [2019-03-29 01:55:50,692 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 23.82/14.25 [2019-03-29 01:55:50,693 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 23.82/14.25 [2019-03-29 01:55:50,696 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.82/14.25 [2019-03-29 01:55:50,696 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.82/14.25 [2019-03-29 01:55:50,696 INFO L518 LassoAnalysis]: Proved termination. 23.82/14.25 [2019-03-29 01:55:50,697 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.82/14.25 Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 23.82/14.25 Supporting invariants [] 23.82/14.25 [2019-03-29 01:55:50,698 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.82/14.25 [2019-03-29 01:55:50,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:50,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:50,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:50,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:50,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.82/14.25 [2019-03-29 01:55:50,799 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 23.82/14.25 [2019-03-29 01:55:50,804 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 23.82/14.25 [2019-03-29 01:55:50,806 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 23.82/14.25 [2019-03-29 01:55:50,838 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 23.82/14.25 [2019-03-29 01:55:50,839 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 23.82/14.25 [2019-03-29 01:55:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:50,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:50,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:50,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:50,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:50,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 23.82/14.25 [2019-03-29 01:55:50,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:50,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.82/14.25 [2019-03-29 01:55:50,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 23.82/14.25 [2019-03-29 01:55:50,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 23.82/14.25 [2019-03-29 01:55:50,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.82/14.25 [2019-03-29 01:55:50,859 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 23.82/14.25 [2019-03-29 01:55:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 23.82/14.25 [2019-03-29 01:55:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,900 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,901 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,901 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 23.82/14.25 [2019-03-29 01:55:50,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:50,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.82/14.25 [2019-03-29 01:55:50,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.82/14.25 [2019-03-29 01:55:50,902 INFO L119 BuchiIsEmpty]: Starting construction of run 23.82/14.25 [2019-03-29 01:55:50,902 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 23.82/14.25 [2019-03-29 01:55:50,902 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.82/14.25 [2019-03-29 01:55:50,903 INFO L794 eck$LassoCheckResult]: Stem: 47#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_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_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 48#L21-2 [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 43#L21 [25] L21-->L21-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 44#L21-2 23.82/14.25 [2019-03-29 01:55:50,903 INFO L796 eck$LassoCheckResult]: Loop: 44#L21-2 [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 49#L21 [34] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet4_3|) (>= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~z~0_10 (+ v_ULTIMATE.start_main_~z~0_11 (- 1))) (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~x~0_10 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 44#L21-2 23.82/14.25 [2019-03-29 01:55:50,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:50,904 INFO L82 PathProgramCache]: Analyzing trace with hash 56724, now seen corresponding path program 1 times 23.82/14.25 [2019-03-29 01:55:50,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:50,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:50,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:50,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 2 times 23.82/14.25 [2019-03-29 01:55:50,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:50,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:50,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:50,927 INFO L82 PathProgramCache]: Analyzing trace with hash 54512759, now seen corresponding path program 1 times 23.82/14.25 [2019-03-29 01:55:50,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:50,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:50,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,928 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:50,991 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:50,991 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:50,991 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:50,991 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:50,992 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.82/14.25 [2019-03-29 01:55:50,992 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:50,992 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:50,992 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:50,992 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 23.82/14.25 [2019-03-29 01:55:50,992 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:50,992 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:50,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,119 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:51,119 INFO L412 LassoAnalysis]: Checking for nontermination... 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:51,123 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:51,151 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.82/14.25 [2019-03-29 01:55:51,151 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: [] 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:51,157 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:51,190 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:51,221 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.82/14.25 [2019-03-29 01:55:51,224 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:51,224 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:51,224 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:51,224 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:51,224 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.82/14.25 [2019-03-29 01:55:51,224 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,225 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:51,225 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:51,225 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 23.82/14.25 [2019-03-29 01:55:51,225 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:51,225 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:51,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,313 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:51,314 INFO L497 LassoAnalysis]: Using template 'affine'. 23.82/14.25 [2019-03-29 01:55:51,314 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:51,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:51,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:51,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:51,316 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:51,318 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:51,318 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:51,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.82/14.25 [2019-03-29 01:55:51,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:51,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:51,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.82/14.25 [2019-03-29 01:55:51,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:51,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:51,324 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:51,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:51,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:51,329 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.82/14.25 [2019-03-29 01:55:51,332 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 23.82/14.25 [2019-03-29 01:55:51,332 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 23.82/14.25 [2019-03-29 01:55:51,332 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.82/14.25 [2019-03-29 01:55:51,332 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.82/14.25 [2019-03-29 01:55:51,333 INFO L518 LassoAnalysis]: Proved termination. 23.82/14.25 [2019-03-29 01:55:51,333 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.82/14.25 Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 23.82/14.25 Supporting invariants [] 23.82/14.25 [2019-03-29 01:55:51,334 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.82/14.25 [2019-03-29 01:55:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:51,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:51,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:51,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:51,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.82/14.25 [2019-03-29 01:55:51,397 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 23.82/14.25 [2019-03-29 01:55:51,398 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 23.82/14.25 [2019-03-29 01:55:51,398 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 23.82/14.25 [2019-03-29 01:55:51,417 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 9 states and 13 transitions. Complement of second has 4 states. 23.82/14.25 [2019-03-29 01:55:51,418 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 23.82/14.25 [2019-03-29 01:55:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:51,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:51,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:51,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:51,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:51,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:51,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 23.82/14.25 [2019-03-29 01:55:51,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:51,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 23.82/14.25 [2019-03-29 01:55:51,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 23.82/14.25 [2019-03-29 01:55:51,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 23.82/14.25 [2019-03-29 01:55:51,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.82/14.25 [2019-03-29 01:55:51,424 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 23.82/14.25 [2019-03-29 01:55:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 23.82/14.25 [2019-03-29 01:55:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:51,426 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:51,426 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:51,426 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 23.82/14.25 [2019-03-29 01:55:51,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:51,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 23.82/14.25 [2019-03-29 01:55:51,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.82/14.25 [2019-03-29 01:55:51,427 INFO L119 BuchiIsEmpty]: Starting construction of run 23.82/14.25 [2019-03-29 01:55:51,427 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.82/14.25 [2019-03-29 01:55:51,427 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.82/14.25 [2019-03-29 01:55:51,428 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 96#L21-2 23.82/14.25 [2019-03-29 01:55:51,429 INFO L796 eck$LassoCheckResult]: Loop: 96#L21-2 [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 95#L21 [25] L21-->L21-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 96#L21-2 23.82/14.25 [2019-03-29 01:55:51,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:51,429 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times 23.82/14.25 [2019-03-29 01:55:51,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:51,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:51,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:51,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1947, now seen corresponding path program 1 times 23.82/14.25 [2019-03-29 01:55:51,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:51,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:51,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,437 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:51,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:51,444 INFO L82 PathProgramCache]: Analyzing trace with hash 56724, now seen corresponding path program 2 times 23.82/14.25 [2019-03-29 01:55:51,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:51,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:51,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:51,502 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:51,502 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:51,502 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:51,502 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:51,502 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.82/14.25 [2019-03-29 01:55:51,502 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,503 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:51,503 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:51,503 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 23.82/14.25 [2019-03-29 01:55:51,503 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:51,503 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:51,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,597 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:51,598 INFO L412 LassoAnalysis]: Checking for nontermination... 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,603 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:51,604 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:51,631 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.82/14.25 [2019-03-29 01:55:51,631 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,636 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:51,637 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,673 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:51,673 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:51,786 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.82/14.25 [2019-03-29 01:55:51,788 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:51,788 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:51,788 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:51,789 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:51,789 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.82/14.25 [2019-03-29 01:55:51,789 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:51,789 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:51,789 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:51,789 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 23.82/14.25 [2019-03-29 01:55:51,790 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:51,790 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:51,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:51,877 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:51,877 INFO L497 LassoAnalysis]: Using template 'affine'. 23.82/14.25 [2019-03-29 01:55:51,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:51,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:51,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:51,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:51,879 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:51,880 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:51,881 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:51,885 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.82/14.25 [2019-03-29 01:55:51,886 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:51,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:51,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.82/14.25 [2019-03-29 01:55:51,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:51,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:51,887 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:51,888 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:51,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:51,897 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.82/14.25 [2019-03-29 01:55:51,909 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 23.82/14.25 [2019-03-29 01:55:51,909 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 23.82/14.25 [2019-03-29 01:55:51,909 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.82/14.25 [2019-03-29 01:55:51,910 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.82/14.25 [2019-03-29 01:55:51,910 INFO L518 LassoAnalysis]: Proved termination. 23.82/14.25 [2019-03-29 01:55:51,910 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.82/14.25 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 23.82/14.25 Supporting invariants [] 23.82/14.25 [2019-03-29 01:55:51,911 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.82/14.25 [2019-03-29 01:55:51,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:51,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:51,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:51,939 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:51,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.82/14.25 [2019-03-29 01:55:51,960 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 23.82/14.25 [2019-03-29 01:55:51,960 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 23.82/14.25 [2019-03-29 01:55:51,960 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. 23.82/14.25 [2019-03-29 01:55:51,973 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 4 states. 23.82/14.25 [2019-03-29 01:55:51,994 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 23.82/14.25 [2019-03-29 01:55:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 23.82/14.25 [2019-03-29 01:55:51,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:51,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:51,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:51,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:51,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 23.82/14.25 [2019-03-29 01:55:51,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:51,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. 23.82/14.25 [2019-03-29 01:55:51,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 23.82/14.25 [2019-03-29 01:55:51,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 23.82/14.25 [2019-03-29 01:55:51,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 23.82/14.25 [2019-03-29 01:55:51,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:51,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.82/14.25 [2019-03-29 01:55:51,999 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:52,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 23.82/14.25 [2019-03-29 01:55:52,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. 23.82/14.25 [2019-03-29 01:55:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 23.82/14.25 [2019-03-29 01:55:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. 23.82/14.25 [2019-03-29 01:55:52,001 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. 23.82/14.25 [2019-03-29 01:55:52,001 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. 23.82/14.25 [2019-03-29 01:55:52,001 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 23.82/14.25 [2019-03-29 01:55:52,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. 23.82/14.25 [2019-03-29 01:55:52,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 23.82/14.25 [2019-03-29 01:55:52,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.82/14.25 [2019-03-29 01:55:52,005 INFO L119 BuchiIsEmpty]: Starting construction of run 23.82/14.25 [2019-03-29 01:55:52,007 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] 23.82/14.25 [2019-03-29 01:55:52,007 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.82/14.25 [2019-03-29 01:55:52,007 INFO L794 eck$LassoCheckResult]: Stem: 145#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_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_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 146#L21-2 [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 147#L21 [34] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet4_3|) (>= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~z~0_10 (+ v_ULTIMATE.start_main_~z~0_11 (- 1))) (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~x~0_10 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 148#L21-2 [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 141#L21 23.82/14.25 [2019-03-29 01:55:52,008 INFO L796 eck$LassoCheckResult]: Loop: 141#L21 [25] L21-->L21-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 142#L21-2 [31] L21-2-->L21: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 141#L21 23.82/14.25 [2019-03-29 01:55:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:52,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1758754, now seen corresponding path program 2 times 23.82/14.25 [2019-03-29 01:55:52,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:52,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:52,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,010 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:52,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:52,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1767, now seen corresponding path program 2 times 23.82/14.25 [2019-03-29 01:55:52,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:52,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:52,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,021 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.82/14.25 [2019-03-29 01:55:52,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:52,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1690163400, now seen corresponding path program 2 times 23.82/14.25 [2019-03-29 01:55:52,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.82/14.25 [2019-03-29 01:55:52,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.82/14.25 [2019-03-29 01:55:52,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,028 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.82/14.25 [2019-03-29 01:55:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.82/14.25 [2019-03-29 01:55:52,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 23.82/14.25 [2019-03-29 01:55:52,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 23.82/14.25 [2019-03-29 01:55:52,099 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:52,099 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:52,099 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:52,099 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:52,099 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.82/14.25 [2019-03-29 01:55:52,099 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:52,099 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:52,100 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:52,100 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 23.82/14.25 [2019-03-29 01:55:52,100 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:52,100 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:52,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:52,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:52,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:52,164 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:52,164 INFO L412 LassoAnalysis]: Checking for nontermination... 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:52,170 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:52,170 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:52,197 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.82/14.25 [2019-03-29 01:55:52,198 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:52,202 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:52,202 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.82/14.25 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.82/14.25 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:52,236 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.82/14.25 [2019-03-29 01:55:52,236 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.82/14.25 [2019-03-29 01:55:58,406 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.82/14.25 [2019-03-29 01:55:58,410 INFO L216 LassoAnalysis]: Preferences: 23.82/14.25 [2019-03-29 01:55:58,410 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.82/14.25 [2019-03-29 01:55:58,410 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.82/14.25 [2019-03-29 01:55:58,410 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.82/14.25 [2019-03-29 01:55:58,410 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.82/14.25 [2019-03-29 01:55:58,410 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.82/14.25 [2019-03-29 01:55:58,410 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.82/14.25 [2019-03-29 01:55:58,410 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.82/14.25 [2019-03-29 01:55:58,411 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 23.82/14.25 [2019-03-29 01:55:58,411 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.82/14.25 [2019-03-29 01:55:58,411 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.82/14.25 [2019-03-29 01:55:58,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:58,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:58,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.82/14.25 [2019-03-29 01:55:58,476 INFO L300 LassoAnalysis]: Preprocessing complete. 23.82/14.25 [2019-03-29 01:55:58,476 INFO L497 LassoAnalysis]: Using template 'affine'. 23.82/14.25 [2019-03-29 01:55:58,477 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:58,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:58,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:58,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:58,478 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:58,480 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:58,480 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:58,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.82/14.25 [2019-03-29 01:55:58,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.82/14.25 Termination analysis: LINEAR_WITH_GUESSES 23.82/14.25 Number of strict supporting invariants: 0 23.82/14.25 Number of non-strict supporting invariants: 1 23.82/14.25 Consider only non-deceasing supporting invariants: true 23.82/14.25 Simplify termination arguments: true 23.82/14.25 Simplify supporting invariants: trueOverapproximate stem: false 23.82/14.25 [2019-03-29 01:55:58,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.82/14.25 [2019-03-29 01:55:58,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.82/14.25 [2019-03-29 01:55:58,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.82/14.25 [2019-03-29 01:55:58,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.82/14.25 [2019-03-29 01:55:58,485 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.82/14.25 [2019-03-29 01:55:58,486 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.82/14.25 [2019-03-29 01:55:58,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.82/14.25 [2019-03-29 01:55:58,493 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.82/14.25 [2019-03-29 01:55:58,498 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 23.82/14.25 [2019-03-29 01:55:58,498 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 23.82/14.25 [2019-03-29 01:55:58,499 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.82/14.25 [2019-03-29 01:55:58,499 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.82/14.25 [2019-03-29 01:55:58,499 INFO L518 LassoAnalysis]: Proved termination. 23.82/14.25 [2019-03-29 01:55:58,499 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.82/14.25 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~z~0 - 1*ULTIMATE.start_main_~x~0 23.82/14.25 Supporting invariants [] 23.82/14.25 [2019-03-29 01:55:58,500 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.82/14.25 [2019-03-29 01:55:58,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.82/14.25 [2019-03-29 01:55:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:58,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:58,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.82/14.25 [2019-03-29 01:55:58,529 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core 23.82/14.25 [2019-03-29 01:55:58,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.82/14.25 [2019-03-29 01:55:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.82/14.25 [2019-03-29 01:55:58,566 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 23.82/14.25 [2019-03-29 01:55:58,566 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 23.82/14.25 [2019-03-29 01:55:58,566 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. 23.82/14.25 [2019-03-29 01:55:58,635 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 15 states and 22 transitions. Complement of second has 5 states. 23.82/14.25 [2019-03-29 01:55:58,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 23.82/14.25 [2019-03-29 01:55:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 23.82/14.25 [2019-03-29 01:55:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. 23.82/14.25 [2019-03-29 01:55:58,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:58,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:58,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. 23.82/14.25 [2019-03-29 01:55:58,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:58,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. 23.82/14.25 [2019-03-29 01:55:58,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.82/14.25 [2019-03-29 01:55:58,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. 23.82/14.25 [2019-03-29 01:55:58,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 23.82/14.25 [2019-03-29 01:55:58,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 18 transitions. 23.82/14.25 [2019-03-29 01:55:58,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 23.82/14.25 [2019-03-29 01:55:58,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 23.82/14.25 [2019-03-29 01:55:58,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. 23.82/14.25 [2019-03-29 01:55:58,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.82/14.25 [2019-03-29 01:55:58,642 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. 23.82/14.25 [2019-03-29 01:55:58,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. 23.82/14.25 [2019-03-29 01:55:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 7. 23.82/14.25 [2019-03-29 01:55:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 23.82/14.25 [2019-03-29 01:55:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:58,643 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:58,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 23.82/14.25 [2019-03-29 01:55:58,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 23.82/14.25 [2019-03-29 01:55:58,647 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. 23.82/14.25 [2019-03-29 01:55:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 23.82/14.25 [2019-03-29 01:55:58,662 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:58,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 23.82/14.25 [2019-03-29 01:55:58,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 10 transitions. 23.82/14.25 [2019-03-29 01:55:58,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.82/14.25 [2019-03-29 01:55:58,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 23.82/14.25 [2019-03-29 01:55:58,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 23.82/14.25 [2019-03-29 01:55:58,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 23.82/14.25 [2019-03-29 01:55:58,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 23.82/14.25 [2019-03-29 01:55:58,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 23.82/14.25 [2019-03-29 01:55:58,665 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.82/14.25 [2019-03-29 01:55:58,665 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.82/14.25 [2019-03-29 01:55:58,665 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.82/14.25 [2019-03-29 01:55:58,665 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 23.82/14.25 [2019-03-29 01:55:58,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 23.82/14.25 [2019-03-29 01:55:58,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.82/14.25 [2019-03-29 01:55:58,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 23.82/14.25 [2019-03-29 01:55:58,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:58 BasicIcfg 23.82/14.25 [2019-03-29 01:55:58,671 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 23.82/14.25 [2019-03-29 01:55:58,672 INFO L168 Benchmark]: Toolchain (without parser) took 9617.19 ms. Allocated memory was 649.6 MB in the beginning and 742.4 MB in the end (delta: 92.8 MB). Free memory was 563.6 MB in the beginning and 609.7 MB in the end (delta: -46.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,675 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.97 ms. Allocated memory is still 649.6 MB. Free memory was 563.6 MB in the beginning and 553.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.88 ms. Allocated memory was 649.6 MB in the beginning and 653.8 MB in the end (delta: 4.2 MB). Free memory was 553.6 MB in the beginning and 620.7 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,677 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 653.8 MB. Free memory was 620.7 MB in the beginning and 617.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,677 INFO L168 Benchmark]: RCFGBuilder took 216.51 ms. Allocated memory is still 653.8 MB. Free memory was 617.9 MB in the beginning and 604.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,678 INFO L168 Benchmark]: BlockEncodingV2 took 86.12 ms. Allocated memory is still 653.8 MB. Free memory was 604.3 MB in the beginning and 597.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,678 INFO L168 Benchmark]: TraceAbstraction took 158.26 ms. Allocated memory is still 653.8 MB. Free memory was 597.9 MB in the beginning and 589.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,679 INFO L168 Benchmark]: BuchiAutomizer took 8796.55 ms. Allocated memory was 653.8 MB in the beginning and 742.4 MB in the end (delta: 88.6 MB). Free memory was 589.2 MB in the beginning and 609.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 68.1 MB. Max. memory is 50.3 GB. 23.82/14.25 [2019-03-29 01:55:58,684 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 23.82/14.25 --- Results --- 23.82/14.25 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 23.82/14.25 - StatisticsResult: Initial Icfg 23.82/14.25 7 locations, 9 edges 23.82/14.25 - StatisticsResult: Encoded RCFG 23.82/14.25 3 locations, 4 edges 23.82/14.25 * Results from de.uni_freiburg.informatik.ultimate.core: 23.82/14.25 - StatisticsResult: Toolchain Benchmarks 23.82/14.25 Benchmark results are: 23.82/14.25 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.82/14.25 * CACSL2BoogieTranslator took 227.97 ms. Allocated memory is still 649.6 MB. Free memory was 563.6 MB in the beginning and 553.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 23.82/14.25 * Boogie Procedure Inliner took 105.88 ms. Allocated memory was 649.6 MB in the beginning and 653.8 MB in the end (delta: 4.2 MB). Free memory was 553.6 MB in the beginning and 620.7 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 23.82/14.25 * Boogie Preprocessor took 20.47 ms. Allocated memory is still 653.8 MB. Free memory was 620.7 MB in the beginning and 617.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 23.82/14.25 * RCFGBuilder took 216.51 ms. Allocated memory is still 653.8 MB. Free memory was 617.9 MB in the beginning and 604.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 23.82/14.25 * BlockEncodingV2 took 86.12 ms. Allocated memory is still 653.8 MB. Free memory was 604.3 MB in the beginning and 597.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 23.82/14.25 * TraceAbstraction took 158.26 ms. Allocated memory is still 653.8 MB. Free memory was 597.9 MB in the beginning and 589.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 23.82/14.25 * BuchiAutomizer took 8796.55 ms. Allocated memory was 653.8 MB in the beginning and 742.4 MB in the end (delta: 88.6 MB). Free memory was 589.2 MB in the beginning and 609.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 68.1 MB. Max. memory is 50.3 GB. 23.82/14.25 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 23.82/14.25 - AllSpecificationsHoldResult: All specifications hold 23.82/14.25 We were not able to verify any specifiation because the program does not contain any specification. 23.82/14.25 - InvariantResult [Line: 20]: Loop Invariant 23.82/14.25 Derived loop invariant: 1 23.82/14.25 - StatisticsResult: Ultimate Automizer benchmark data 23.82/14.25 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 23.82/14.25 - StatisticsResult: Constructed decomposition of program 23.82/14.25 Your program was decomposed into 5 terminating modules (1 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function z and consists of 3 locations. One nondeterministic module has affine ranking function z and consists of 3 locations. One nondeterministic module has affine ranking function z + y + -1 * x and consists of 3 locations. One nondeterministic module has affine ranking function y + z + -1 * x and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 23.82/14.25 - StatisticsResult: Timing statistics 23.82/14.25 BüchiAutomizer plugin needed 8.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 53 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp54 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf91 smp100 dnf100 smp100 tf107 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.6s 23.82/14.25 - TerminationAnalysisResult: Termination proven 23.82/14.25 Buchi Automizer proved that your program is terminating 23.82/14.25 RESULT: Ultimate proved your program to be correct! 23.82/14.25 !SESSION 2019-03-29 01:55:45.759 ----------------------------------------------- 23.82/14.25 eclipse.buildId=unknown 23.82/14.25 java.version=1.8.0_181 23.82/14.25 java.vendor=Oracle Corporation 23.82/14.25 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 23.82/14.25 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 23.82/14.25 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 23.82/14.25 23.82/14.25 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:55:58.916 23.82/14.25 !MESSAGE The workspace will exit with unsaved changes in this session. 23.82/14.25 Received shutdown request... 23.82/14.25 Ultimate: 23.82/14.25 GTK+ Version Check 23.82/14.25 EOF