15.69/7.34 YES 15.69/7.34 15.69/7.34 Ultimate: Cannot open display: 15.69/7.34 This is Ultimate 0.1.24-8dc7c08-m 15.69/7.34 [2019-03-29 01:43:15,204 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.69/7.34 [2019-03-29 01:43:15,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.69/7.34 [2019-03-29 01:43:15,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.69/7.34 [2019-03-29 01:43:15,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.69/7.34 [2019-03-29 01:43:15,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.69/7.34 [2019-03-29 01:43:15,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.69/7.34 [2019-03-29 01:43:15,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.69/7.34 [2019-03-29 01:43:15,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.69/7.34 [2019-03-29 01:43:15,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.69/7.34 [2019-03-29 01:43:15,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.69/7.34 [2019-03-29 01:43:15,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.69/7.34 [2019-03-29 01:43:15,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.69/7.34 [2019-03-29 01:43:15,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.69/7.34 [2019-03-29 01:43:15,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.69/7.34 [2019-03-29 01:43:15,232 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.69/7.34 [2019-03-29 01:43:15,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.69/7.34 [2019-03-29 01:43:15,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.69/7.34 [2019-03-29 01:43:15,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.69/7.34 [2019-03-29 01:43:15,238 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.69/7.34 [2019-03-29 01:43:15,240 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,240 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.69/7.34 [2019-03-29 01:43:15,242 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.69/7.34 [2019-03-29 01:43:15,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.69/7.34 [2019-03-29 01:43:15,243 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.69/7.34 [2019-03-29 01:43:15,244 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.69/7.34 [2019-03-29 01:43:15,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.69/7.34 [2019-03-29 01:43:15,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.69/7.34 [2019-03-29 01:43:15,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.69/7.34 [2019-03-29 01:43:15,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.69/7.34 [2019-03-29 01:43:15,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.69/7.34 [2019-03-29 01:43:15,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.69/7.34 [2019-03-29 01:43:15,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.69/7.34 [2019-03-29 01:43:15,249 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.69/7.34 [2019-03-29 01:43:15,264 INFO L110 SettingsManager]: Loading preferences was successful 15.69/7.34 [2019-03-29 01:43:15,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.69/7.34 [2019-03-29 01:43:15,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.69/7.34 [2019-03-29 01:43:15,266 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.69/7.34 [2019-03-29 01:43:15,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.69/7.34 [2019-03-29 01:43:15,266 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.69/7.34 [2019-03-29 01:43:15,266 INFO L133 SettingsManager]: * Use SBE=true 15.69/7.34 [2019-03-29 01:43:15,267 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.69/7.34 [2019-03-29 01:43:15,267 INFO L133 SettingsManager]: * Use old map elimination=false 15.69/7.34 [2019-03-29 01:43:15,267 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.69/7.34 [2019-03-29 01:43:15,267 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.69/7.34 [2019-03-29 01:43:15,267 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.69/7.34 [2019-03-29 01:43:15,267 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.69/7.34 [2019-03-29 01:43:15,268 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.69/7.34 [2019-03-29 01:43:15,268 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:15,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.69/7.34 [2019-03-29 01:43:15,268 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.69/7.34 [2019-03-29 01:43:15,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.69/7.34 [2019-03-29 01:43:15,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.69/7.34 [2019-03-29 01:43:15,269 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.69/7.34 [2019-03-29 01:43:15,269 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.69/7.34 [2019-03-29 01:43:15,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.69/7.34 [2019-03-29 01:43:15,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.69/7.34 [2019-03-29 01:43:15,269 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.69/7.34 [2019-03-29 01:43:15,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.69/7.34 [2019-03-29 01:43:15,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.69/7.34 [2019-03-29 01:43:15,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.69/7.34 [2019-03-29 01:43:15,270 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.69/7.34 [2019-03-29 01:43:15,270 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.69/7.34 [2019-03-29 01:43:15,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.69/7.34 [2019-03-29 01:43:15,310 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.69/7.34 [2019-03-29 01:43:15,314 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.69/7.34 [2019-03-29 01:43:15,315 INFO L271 PluginConnector]: Initializing CDTParser... 15.69/7.34 [2019-03-29 01:43:15,315 INFO L276 PluginConnector]: CDTParser initialized 15.69/7.34 [2019-03-29 01:43:15,316 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/7.34 [2019-03-29 01:43:15,379 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/75299b84be0c4e78ac8a0f668845a4e2/FLAG08d71b6c0 15.69/7.34 [2019-03-29 01:43:15,716 INFO L307 CDTParser]: Found 1 translation units. 15.69/7.34 [2019-03-29 01:43:15,717 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/7.34 [2019-03-29 01:43:15,723 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/75299b84be0c4e78ac8a0f668845a4e2/FLAG08d71b6c0 15.69/7.34 [2019-03-29 01:43:16,118 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/75299b84be0c4e78ac8a0f668845a4e2 15.69/7.34 [2019-03-29 01:43:16,130 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.69/7.34 [2019-03-29 01:43:16,131 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.69/7.34 [2019-03-29 01:43:16,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.69/7.34 [2019-03-29 01:43:16,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.69/7.34 [2019-03-29 01:43:16,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.69/7.34 [2019-03-29 01:43:16,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d29122f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.69/7.34 [2019-03-29 01:43:16,165 INFO L176 MainTranslator]: Built tables and reachable declarations 15.69/7.34 [2019-03-29 01:43:16,324 INFO L206 PostProcessor]: Analyzing one entry point: main 15.69/7.34 [2019-03-29 01:43:16,329 INFO L191 MainTranslator]: Completed pre-run 15.69/7.34 [2019-03-29 01:43:16,345 INFO L206 PostProcessor]: Analyzing one entry point: main 15.69/7.34 [2019-03-29 01:43:16,360 INFO L195 MainTranslator]: Completed translation 15.69/7.34 [2019-03-29 01:43:16,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16 WrapperNode 15.69/7.34 [2019-03-29 01:43:16,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.69/7.34 [2019-03-29 01:43:16,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.69/7.34 [2019-03-29 01:43:16,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.69/7.34 [2019-03-29 01:43:16,362 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.69/7.34 [2019-03-29 01:43:16,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.69/7.34 [2019-03-29 01:43:16,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.69/7.34 [2019-03-29 01:43:16,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.69/7.34 [2019-03-29 01:43:16,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.69/7.34 [2019-03-29 01:43:16,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.69/7.34 [2019-03-29 01:43:16,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.69/7.34 [2019-03-29 01:43:16,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.69/7.34 [2019-03-29 01:43:16,482 INFO L276 PluginConnector]: RCFGBuilder initialized 15.69/7.34 [2019-03-29 01:43:16,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (1/1) ... 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.69/7.34 [2019-03-29 01:43:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.69/7.34 [2019-03-29 01:43:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.69/7.34 [2019-03-29 01:43:16,686 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.69/7.34 [2019-03-29 01:43:16,686 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 15.69/7.34 [2019-03-29 01:43:16,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:43:16 BoogieIcfgContainer 15.69/7.34 [2019-03-29 01:43:16,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.69/7.34 [2019-03-29 01:43:16,689 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.69/7.34 [2019-03-29 01:43:16,689 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.69/7.34 [2019-03-29 01:43:16,691 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.69/7.34 [2019-03-29 01:43:16,692 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:43:16" (1/1) ... 15.69/7.34 [2019-03-29 01:43:16,708 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges 15.69/7.34 [2019-03-29 01:43:16,710 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.69/7.34 [2019-03-29 01:43:16,711 INFO L263 BlockEncoder]: Using Maximize final states 15.69/7.34 [2019-03-29 01:43:16,711 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.69/7.34 [2019-03-29 01:43:16,712 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.69/7.34 [2019-03-29 01:43:16,713 INFO L296 BlockEncoder]: Using Remove sink states 15.69/7.34 [2019-03-29 01:43:16,714 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.69/7.34 [2019-03-29 01:43:16,715 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.69/7.34 [2019-03-29 01:43:16,731 INFO L185 BlockEncoder]: Using Use SBE 15.69/7.34 [2019-03-29 01:43:16,746 INFO L200 BlockEncoder]: SBE split 1 edges 15.69/7.34 [2019-03-29 01:43:16,751 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 15.69/7.34 [2019-03-29 01:43:16,753 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.69/7.34 [2019-03-29 01:43:16,764 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.69/7.34 [2019-03-29 01:43:16,766 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 15.69/7.34 [2019-03-29 01:43:16,767 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.69/7.34 [2019-03-29 01:43:16,767 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.69/7.34 [2019-03-29 01:43:16,767 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.69/7.34 [2019-03-29 01:43:16,768 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.69/7.34 [2019-03-29 01:43:16,768 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.69/7.34 [2019-03-29 01:43:16,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:43:16 BasicIcfg 15.69/7.34 [2019-03-29 01:43:16,769 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.69/7.34 [2019-03-29 01:43:16,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.69/7.34 [2019-03-29 01:43:16,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.69/7.34 [2019-03-29 01:43:16,773 INFO L276 PluginConnector]: TraceAbstraction initialized 15.69/7.34 [2019-03-29 01:43:16,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:43:16" (1/4) ... 15.69/7.34 [2019-03-29 01:43:16,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c65741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (2/4) ... 15.69/7.34 [2019-03-29 01:43:16,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c65741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:43:16" (3/4) ... 15.69/7.34 [2019-03-29 01:43:16,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c65741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:43:16" (4/4) ... 15.69/7.34 [2019-03-29 01:43:16,777 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.69/7.34 [2019-03-29 01:43:16,788 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.69/7.34 [2019-03-29 01:43:16,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.69/7.34 [2019-03-29 01:43:16,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.69/7.34 [2019-03-29 01:43:16,842 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.69/7.34 [2019-03-29 01:43:16,843 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.69/7.34 [2019-03-29 01:43:16,843 INFO L383 AbstractCegarLoop]: Hoare is true 15.69/7.34 [2019-03-29 01:43:16,843 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.69/7.34 [2019-03-29 01:43:16,843 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.69/7.34 [2019-03-29 01:43:16,843 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.69/7.34 [2019-03-29 01:43:16,844 INFO L387 AbstractCegarLoop]: Difference is false 15.69/7.34 [2019-03-29 01:43:16,844 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.69/7.34 [2019-03-29 01:43:16,844 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.69/7.34 [2019-03-29 01:43:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.69/7.34 [2019-03-29 01:43:16,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.69/7.34 [2019-03-29 01:43:16,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.69/7.34 [2019-03-29 01:43:16,920 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.69/7.34 [2019-03-29 01:43:16,921 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 16) the Hoare annotation is: true 15.69/7.34 [2019-03-29 01:43:16,921 INFO L451 ceAbstractionStarter]: At program point L12-3(lines 11 17) the Hoare annotation is: true 15.69/7.34 [2019-03-29 01:43:16,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:43:16 BasicIcfg 15.69/7.34 [2019-03-29 01:43:16,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.69/7.34 [2019-03-29 01:43:16,930 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.69/7.34 [2019-03-29 01:43:16,930 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.69/7.34 [2019-03-29 01:43:16,933 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.69/7.34 [2019-03-29 01:43:16,934 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/7.34 [2019-03-29 01:43:16,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:43:16" (1/5) ... 15.69/7.34 [2019-03-29 01:43:16,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5752d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/7.34 [2019-03-29 01:43:16,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:43:16" (2/5) ... 15.69/7.34 [2019-03-29 01:43:16,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5752d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,936 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/7.34 [2019-03-29 01:43:16,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:43:16" (3/5) ... 15.69/7.34 [2019-03-29 01:43:16,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5752d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/7.34 [2019-03-29 01:43:16,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:43:16" (4/5) ... 15.69/7.34 [2019-03-29 01:43:16,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5752d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:43:16, skipping insertion in model container 15.69/7.34 [2019-03-29 01:43:16,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/7.34 [2019-03-29 01:43:16,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:43:16" (5/5) ... 15.69/7.34 [2019-03-29 01:43:16,939 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.69/7.34 [2019-03-29 01:43:16,966 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.69/7.34 [2019-03-29 01:43:16,966 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.69/7.34 [2019-03-29 01:43:16,967 INFO L375 BuchiCegarLoop]: Hoare is true 15.69/7.34 [2019-03-29 01:43:16,967 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.69/7.34 [2019-03-29 01:43:16,967 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.69/7.34 [2019-03-29 01:43:16,967 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.69/7.34 [2019-03-29 01:43:16,967 INFO L379 BuchiCegarLoop]: Difference is false 15.69/7.34 [2019-03-29 01:43:16,967 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.69/7.34 [2019-03-29 01:43:16,968 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.69/7.34 [2019-03-29 01:43:16,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.69/7.34 [2019-03-29 01:43:16,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.69/7.34 [2019-03-29 01:43:16,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/7.34 [2019-03-29 01:43:16,990 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/7.34 [2019-03-29 01:43:16,995 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.69/7.34 [2019-03-29 01:43:16,996 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.69/7.34 [2019-03-29 01:43:16,996 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.69/7.34 [2019-03-29 01:43:16,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.69/7.34 [2019-03-29 01:43:16,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.69/7.34 [2019-03-29 01:43:16,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/7.34 [2019-03-29 01:43:16,997 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/7.34 [2019-03-29 01:43:16,997 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.69/7.34 [2019-03-29 01:43:16,997 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.69/7.34 [2019-03-29 01:43:17,003 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [33] ULTIMATE.startENTRY-->L12-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L12-3true 15.69/7.34 [2019-03-29 01:43:17,003 INFO L796 eck$LassoCheckResult]: Loop: 5#L12-3true [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 3#L12-2true [41] L12-2-->L12-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 5#L12-3true 15.69/7.34 [2019-03-29 01:43:17,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:17,009 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:17,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:17,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:17,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:17,087 INFO L82 PathProgramCache]: Analyzing trace with hash 2180, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:17,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:17,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:17,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/7.34 [2019-03-29 01:43:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.69/7.34 [2019-03-29 01:43:17,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.69/7.34 [2019-03-29 01:43:17,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.69/7.34 [2019-03-29 01:43:17,145 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.69/7.34 [2019-03-29 01:43:17,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.69/7.34 [2019-03-29 01:43:17,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.69/7.34 [2019-03-29 01:43:17,162 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 15.69/7.34 [2019-03-29 01:43:17,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.69/7.34 [2019-03-29 01:43:17,180 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.69/7.34 [2019-03-29 01:43:17,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.69/7.34 [2019-03-29 01:43:17,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.69/7.34 [2019-03-29 01:43:17,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.69/7.34 [2019-03-29 01:43:17,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.69/7.34 [2019-03-29 01:43:17,191 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 15.69/7.34 [2019-03-29 01:43:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.69/7.34 [2019-03-29 01:43:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,222 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,222 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,223 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.69/7.34 [2019-03-29 01:43:17,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:17,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.69/7.34 [2019-03-29 01:43:17,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/7.34 [2019-03-29 01:43:17,223 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/7.34 [2019-03-29 01:43:17,224 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.69/7.34 [2019-03-29 01:43:17,224 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.69/7.34 [2019-03-29 01:43:17,224 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L12-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 19#L12-3 15.69/7.34 [2019-03-29 01:43:17,225 INFO L796 eck$LassoCheckResult]: Loop: 19#L12-3 [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 16#L12-2 [32] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 17#L12-2 [41] L12-2-->L12-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 19#L12-3 15.69/7.34 [2019-03-29 01:43:17,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:17,225 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 2 times 15.69/7.34 [2019-03-29 01:43:17,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:17,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:17,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:17,233 INFO L82 PathProgramCache]: Analyzing trace with hash 67342, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:17,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:17,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:17,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,235 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:17,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1944175, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:17,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:17,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:17,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:17,332 INFO L216 LassoAnalysis]: Preferences: 15.69/7.34 [2019-03-29 01:43:17,333 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/7.34 [2019-03-29 01:43:17,334 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/7.34 [2019-03-29 01:43:17,334 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/7.34 [2019-03-29 01:43:17,334 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.69/7.34 [2019-03-29 01:43:17,334 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,334 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/7.34 [2019-03-29 01:43:17,334 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/7.34 [2019-03-29 01:43:17,335 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.69/7.34 [2019-03-29 01:43:17,335 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/7.34 [2019-03-29 01:43:17,335 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/7.34 [2019-03-29 01:43:17,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,525 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/7.34 [2019-03-29 01:43:17,526 INFO L412 LassoAnalysis]: Checking for nontermination... 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,536 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:17,536 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:17,570 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:17,571 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,578 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:17,578 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:17,606 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:17,606 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:17,613 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,645 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:17,646 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:17,683 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:17,683 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,736 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:17,736 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:17,770 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:17,812 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.69/7.34 [2019-03-29 01:43:17,815 INFO L216 LassoAnalysis]: Preferences: 15.69/7.34 [2019-03-29 01:43:17,815 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/7.34 [2019-03-29 01:43:17,815 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/7.34 [2019-03-29 01:43:17,815 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/7.34 [2019-03-29 01:43:17,815 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.69/7.34 [2019-03-29 01:43:17,815 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:17,815 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/7.34 [2019-03-29 01:43:17,816 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/7.34 [2019-03-29 01:43:17,816 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.69/7.34 [2019-03-29 01:43:17,816 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/7.34 [2019-03-29 01:43:17,816 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/7.34 [2019-03-29 01:43:17,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:17,925 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/7.34 [2019-03-29 01:43:17,931 INFO L497 LassoAnalysis]: Using template 'affine'. 15.69/7.34 [2019-03-29 01:43:17,933 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:17,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:17,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:17,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:17,936 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:17,940 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:17,941 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:17,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:17,947 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:17,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:17,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:17,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:17,949 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:17,951 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:17,951 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:17,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:17,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:17,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:17,961 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/7.34 [2019-03-29 01:43:17,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:17,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:17,962 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:17,963 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:17,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:17,967 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:17,967 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:17,968 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:17,968 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/7.34 [2019-03-29 01:43:17,968 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:17,968 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:17,969 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:17,970 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:17,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:17,978 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.69/7.34 [2019-03-29 01:43:17,984 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.69/7.34 [2019-03-29 01:43:17,985 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.69/7.34 [2019-03-29 01:43:17,987 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.69/7.34 [2019-03-29 01:43:17,987 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.69/7.34 [2019-03-29 01:43:17,988 INFO L518 LassoAnalysis]: Proved termination. 15.69/7.34 [2019-03-29 01:43:17,988 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.69/7.34 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.69/7.34 Supporting invariants [] 15.69/7.34 [2019-03-29 01:43:17,990 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.69/7.34 [2019-03-29 01:43:18,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/7.34 [2019-03-29 01:43:18,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.69/7.34 [2019-03-29 01:43:18,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/7.34 [2019-03-29 01:43:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/7.34 [2019-03-29 01:43:18,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core 15.69/7.34 [2019-03-29 01:43:18,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/7.34 [2019-03-29 01:43:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.69/7.34 [2019-03-29 01:43:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/7.34 [2019-03-29 01:43:18,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 15.69/7.34 [2019-03-29 01:43:18,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/7.34 [2019-03-29 01:43:18,129 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 5 predicates after loop cannibalization 15.69/7.34 [2019-03-29 01:43:18,132 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 5 loop predicates 15.69/7.34 [2019-03-29 01:43:18,133 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. 15.69/7.34 [2019-03-29 01:43:18,247 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 15 states and 20 transitions. Complement of second has 11 states. 15.69/7.34 [2019-03-29 01:43:18,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states 15.69/7.34 [2019-03-29 01:43:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.69/7.34 [2019-03-29 01:43:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 15.69/7.34 [2019-03-29 01:43:18,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 3 letters. 15.69/7.34 [2019-03-29 01:43:18,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/7.34 [2019-03-29 01:43:18,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 4 letters. Loop has 3 letters. 15.69/7.34 [2019-03-29 01:43:18,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/7.34 [2019-03-29 01:43:18,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 6 letters. 15.69/7.34 [2019-03-29 01:43:18,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/7.34 [2019-03-29 01:43:18,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. 15.69/7.34 [2019-03-29 01:43:18,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.69/7.34 [2019-03-29 01:43:18,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 6 states and 6 transitions. 15.69/7.34 [2019-03-29 01:43:18,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.69/7.34 [2019-03-29 01:43:18,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 15.69/7.34 [2019-03-29 01:43:18,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. 15.69/7.34 [2019-03-29 01:43:18,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.69/7.34 [2019-03-29 01:43:18,263 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. 15.69/7.34 [2019-03-29 01:43:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. 15.69/7.34 [2019-03-29 01:43:18,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 3. 15.69/7.34 [2019-03-29 01:43:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.69/7.34 [2019-03-29 01:43:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 15.69/7.34 [2019-03-29 01:43:18,264 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 15.69/7.34 [2019-03-29 01:43:18,264 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 15.69/7.34 [2019-03-29 01:43:18,264 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.69/7.34 [2019-03-29 01:43:18,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 15.69/7.34 [2019-03-29 01:43:18,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.69/7.34 [2019-03-29 01:43:18,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/7.34 [2019-03-29 01:43:18,265 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/7.34 [2019-03-29 01:43:18,265 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.69/7.34 [2019-03-29 01:43:18,265 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.69/7.34 [2019-03-29 01:43:18,266 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L12-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 92#L12-3 [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 90#L12-2 15.69/7.34 [2019-03-29 01:43:18,266 INFO L796 eck$LassoCheckResult]: Loop: 90#L12-2 [32] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 90#L12-2 15.69/7.34 [2019-03-29 01:43:18,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:18,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:18,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:18,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:18,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:18,276 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:18,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:18,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:18,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:18,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:18,284 INFO L82 PathProgramCache]: Analyzing trace with hash 62714, now seen corresponding path program 1 times 15.69/7.34 [2019-03-29 01:43:18,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/7.34 [2019-03-29 01:43:18,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/7.34 [2019-03-29 01:43:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/7.34 [2019-03-29 01:43:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/7.34 [2019-03-29 01:43:18,316 INFO L216 LassoAnalysis]: Preferences: 15.69/7.34 [2019-03-29 01:43:18,316 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/7.34 [2019-03-29 01:43:18,316 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/7.34 [2019-03-29 01:43:18,317 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/7.34 [2019-03-29 01:43:18,317 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.69/7.34 [2019-03-29 01:43:18,317 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,317 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/7.34 [2019-03-29 01:43:18,317 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/7.34 [2019-03-29 01:43:18,317 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.69/7.34 [2019-03-29 01:43:18,317 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/7.34 [2019-03-29 01:43:18,317 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/7.34 [2019-03-29 01:43:18,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,398 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/7.34 [2019-03-29 01:43:18,399 INFO L412 LassoAnalysis]: Checking for nontermination... 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,408 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:18,437 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:18,438 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,448 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,485 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:18,504 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:18,504 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-4}, {ULTIMATE.start_main_~x~0=-3}, {ULTIMATE.start_main_~x~0=6}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,537 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,538 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:18,567 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:18,568 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,576 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,576 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,612 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:18,649 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/7.34 [2019-03-29 01:43:18,649 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,681 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/7.34 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/7.34 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,713 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/7.34 [2019-03-29 01:43:18,714 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/7.34 [2019-03-29 01:43:18,744 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.69/7.34 [2019-03-29 01:43:18,746 INFO L216 LassoAnalysis]: Preferences: 15.69/7.34 [2019-03-29 01:43:18,746 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/7.34 [2019-03-29 01:43:18,746 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/7.34 [2019-03-29 01:43:18,746 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/7.34 [2019-03-29 01:43:18,747 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.69/7.34 [2019-03-29 01:43:18,747 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.69/7.34 [2019-03-29 01:43:18,747 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/7.34 [2019-03-29 01:43:18,747 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/7.34 [2019-03-29 01:43:18,747 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.69/7.34 [2019-03-29 01:43:18,747 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/7.34 [2019-03-29 01:43:18,747 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/7.34 [2019-03-29 01:43:18,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/7.34 [2019-03-29 01:43:18,827 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/7.34 [2019-03-29 01:43:18,828 INFO L497 LassoAnalysis]: Using template 'affine'. 15.69/7.34 [2019-03-29 01:43:18,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:18,829 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:18,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:18,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:18,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:18,831 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:18,831 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:18,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:18,835 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:18,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:18,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/7.34 [2019-03-29 01:43:18,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:18,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:18,836 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:18,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:18,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:18,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:18,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:18,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:18,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:18,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:18,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:18,844 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:18,844 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:18,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:18,849 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:18,850 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:18,850 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/7.34 [2019-03-29 01:43:18,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:18,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:18,851 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:18,851 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:18,851 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:18,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/7.34 [2019-03-29 01:43:18,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.69/7.34 Number of strict supporting invariants: 0 15.69/7.34 Number of non-strict supporting invariants: 1 15.69/7.34 Consider only non-deceasing supporting invariants: true 15.69/7.34 Simplify termination arguments: true 15.69/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.69/7.34 [2019-03-29 01:43:18,855 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/7.34 [2019-03-29 01:43:18,856 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/7.34 [2019-03-29 01:43:18,856 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/7.34 [2019-03-29 01:43:18,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/7.34 [2019-03-29 01:43:18,856 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/7.34 [2019-03-29 01:43:18,857 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/7.34 [2019-03-29 01:43:18,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/7.34 [2019-03-29 01:43:18,860 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.69/7.34 [2019-03-29 01:43:18,863 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.69/7.34 [2019-03-29 01:43:18,863 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.69/7.34 [2019-03-29 01:43:18,863 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.69/7.34 [2019-03-29 01:43:18,863 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.69/7.34 [2019-03-29 01:43:18,864 INFO L518 LassoAnalysis]: Proved termination. 15.69/7.34 [2019-03-29 01:43:18,864 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.69/7.34 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 15.69/7.34 Supporting invariants [] 15.69/7.34 [2019-03-29 01:43:18,865 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.69/7.34 [2019-03-29 01:43:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/7.34 [2019-03-29 01:43:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/7.34 [2019-03-29 01:43:18,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 15.69/7.34 [2019-03-29 01:43:18,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/7.34 [2019-03-29 01:43:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/7.34 [2019-03-29 01:43:18,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.69/7.34 [2019-03-29 01:43:18,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/7.34 [2019-03-29 01:43:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.69/7.34 [2019-03-29 01:43:18,889 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.69/7.34 [2019-03-29 01:43:18,890 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 1 loop predicates 15.69/7.34 [2019-03-29 01:43:18,890 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. 15.69/7.34 [2019-03-29 01:43:18,893 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. 15.69/7.34 [2019-03-29 01:43:18,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 15.69/7.34 [2019-03-29 01:43:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.69/7.34 [2019-03-29 01:43:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. 15.69/7.34 [2019-03-29 01:43:18,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. 15.69/7.34 [2019-03-29 01:43:18,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/7.34 [2019-03-29 01:43:18,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. 15.69/7.34 [2019-03-29 01:43:18,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/7.34 [2019-03-29 01:43:18,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. 15.69/7.34 [2019-03-29 01:43:18,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/7.34 [2019-03-29 01:43:18,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 15.69/7.34 [2019-03-29 01:43:18,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.69/7.34 [2019-03-29 01:43:18,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. 15.69/7.34 [2019-03-29 01:43:18,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.69/7.34 [2019-03-29 01:43:18,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.69/7.34 [2019-03-29 01:43:18,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.69/7.34 [2019-03-29 01:43:18,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.69/7.34 [2019-03-29 01:43:18,898 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.69/7.34 [2019-03-29 01:43:18,898 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.69/7.34 [2019-03-29 01:43:18,898 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.69/7.34 [2019-03-29 01:43:18,898 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.69/7.34 [2019-03-29 01:43:18,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.69/7.34 [2019-03-29 01:43:18,899 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.69/7.34 [2019-03-29 01:43:18,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.69/7.34 [2019-03-29 01:43:18,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:43:18 BasicIcfg 15.69/7.34 [2019-03-29 01:43:18,905 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.69/7.34 [2019-03-29 01:43:18,905 INFO L168 Benchmark]: Toolchain (without parser) took 2775.14 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 559.0 MB in the beginning and 416.1 MB in the end (delta: 142.9 MB). Peak memory consumption was 183.3 MB. Max. memory is 50.3 GB. 15.69/7.34 [2019-03-29 01:43:18,907 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 579.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.69/7.34 [2019-03-29 01:43:18,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.47 ms. Allocated memory is still 649.6 MB. Free memory was 559.0 MB in the beginning and 549.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.69/7.34 [2019-03-29 01:43:18,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.11 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 549.1 MB in the beginning and 654.0 MB in the end (delta: -105.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.69/7.34 [2019-03-29 01:43:18,909 INFO L168 Benchmark]: Boogie Preprocessor took 21.05 ms. Allocated memory is still 690.0 MB. Free memory was 654.0 MB in the beginning and 653.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.69/7.34 [2019-03-29 01:43:18,909 INFO L168 Benchmark]: RCFGBuilder took 206.38 ms. Allocated memory is still 690.0 MB. Free memory was 653.0 MB in the beginning and 640.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 15.69/7.34 [2019-03-29 01:43:18,910 INFO L168 Benchmark]: BlockEncodingV2 took 80.06 ms. Allocated memory is still 690.0 MB. Free memory was 640.5 MB in the beginning and 633.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 15.69/7.35 [2019-03-29 01:43:18,910 INFO L168 Benchmark]: TraceAbstraction took 159.99 ms. Allocated memory is still 690.0 MB. Free memory was 633.7 MB in the beginning and 625.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.69/7.35 [2019-03-29 01:43:18,911 INFO L168 Benchmark]: BuchiAutomizer took 1974.77 ms. Allocated memory is still 690.0 MB. Free memory was 624.0 MB in the beginning and 416.1 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 50.3 GB. 15.69/7.35 [2019-03-29 01:43:18,915 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.69/7.35 --- Results --- 15.69/7.35 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.69/7.35 - StatisticsResult: Initial Icfg 15.69/7.35 7 locations, 10 edges 15.69/7.35 - StatisticsResult: Encoded RCFG 15.69/7.35 3 locations, 4 edges 15.69/7.35 * Results from de.uni_freiburg.informatik.ultimate.core: 15.69/7.35 - StatisticsResult: Toolchain Benchmarks 15.69/7.35 Benchmark results are: 15.69/7.35 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 579.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.69/7.35 * CACSL2BoogieTranslator took 229.47 ms. Allocated memory is still 649.6 MB. Free memory was 559.0 MB in the beginning and 549.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.69/7.35 * Boogie Procedure Inliner took 98.11 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 549.1 MB in the beginning and 654.0 MB in the end (delta: -105.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.69/7.35 * Boogie Preprocessor took 21.05 ms. Allocated memory is still 690.0 MB. Free memory was 654.0 MB in the beginning and 653.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.69/7.35 * RCFGBuilder took 206.38 ms. Allocated memory is still 690.0 MB. Free memory was 653.0 MB in the beginning and 640.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 15.69/7.35 * BlockEncodingV2 took 80.06 ms. Allocated memory is still 690.0 MB. Free memory was 640.5 MB in the beginning and 633.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 15.69/7.35 * TraceAbstraction took 159.99 ms. Allocated memory is still 690.0 MB. Free memory was 633.7 MB in the beginning and 625.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.69/7.35 * BuchiAutomizer took 1974.77 ms. Allocated memory is still 690.0 MB. Free memory was 624.0 MB in the beginning and 416.1 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 50.3 GB. 15.69/7.35 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.69/7.35 - AllSpecificationsHoldResult: All specifications hold 15.69/7.35 We were not able to verify any specifiation because the program does not contain any specification. 15.69/7.35 - InvariantResult [Line: 12]: Loop Invariant 15.69/7.35 Derived loop invariant: 1 15.69/7.35 - InvariantResult [Line: 11]: Loop Invariant 15.69/7.35 Derived loop invariant: 1 15.69/7.35 - StatisticsResult: Ultimate Automizer benchmark data 15.69/7.35 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.69/7.35 - StatisticsResult: Constructed decomposition of program 15.69/7.35 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 7 locations. One nondeterministic module has affine ranking function y and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.69/7.35 - StatisticsResult: Timing statistics 15.69/7.35 BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 8 SDtfs, 10 SDslu, 7 SDs, 0 SdLazy, 32 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax153 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq168 hnf92 smp92 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 15.69/7.35 - TerminationAnalysisResult: Termination proven 15.69/7.35 Buchi Automizer proved that your program is terminating 15.69/7.35 RESULT: Ultimate proved your program to be correct! 15.69/7.35 !SESSION 2019-03-29 01:43:12.876 ----------------------------------------------- 15.69/7.35 eclipse.buildId=unknown 15.69/7.35 java.version=1.8.0_181 15.69/7.35 java.vendor=Oracle Corporation 15.69/7.35 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.69/7.35 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/7.35 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/7.35 15.69/7.35 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:43:19.150 15.69/7.35 !MESSAGE The workspace will exit with unsaved changes in this session. 15.69/7.35 Received shutdown request... 15.69/7.35 Ultimate: 15.69/7.35 GTK+ Version Check 15.69/7.35 EOF