17.13/10.38 YES 17.13/10.38 17.13/10.38 Ultimate: Cannot open display: 17.13/10.38 This is Ultimate 0.1.24-8dc7c08-m 17.13/10.38 [2019-03-28 22:46:15,168 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.13/10.38 [2019-03-28 22:46:15,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.13/10.38 [2019-03-28 22:46:15,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.13/10.38 [2019-03-28 22:46:15,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.13/10.38 [2019-03-28 22:46:15,184 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.13/10.38 [2019-03-28 22:46:15,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.13/10.38 [2019-03-28 22:46:15,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.13/10.38 [2019-03-28 22:46:15,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.13/10.38 [2019-03-28 22:46:15,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.13/10.38 [2019-03-28 22:46:15,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.13/10.38 [2019-03-28 22:46:15,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.13/10.38 [2019-03-28 22:46:15,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.13/10.38 [2019-03-28 22:46:15,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.13/10.38 [2019-03-28 22:46:15,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.13/10.38 [2019-03-28 22:46:15,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.13/10.38 [2019-03-28 22:46:15,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.13/10.38 [2019-03-28 22:46:15,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.13/10.38 [2019-03-28 22:46:15,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.13/10.38 [2019-03-28 22:46:15,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.13/10.38 [2019-03-28 22:46:15,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.13/10.38 [2019-03-28 22:46:15,204 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.13/10.38 [2019-03-28 22:46:15,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.13/10.38 [2019-03-28 22:46:15,205 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.13/10.38 [2019-03-28 22:46:15,206 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.13/10.38 [2019-03-28 22:46:15,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.13/10.38 [2019-03-28 22:46:15,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.13/10.38 [2019-03-28 22:46:15,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.13/10.38 [2019-03-28 22:46:15,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.13/10.38 [2019-03-28 22:46:15,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.13/10.38 [2019-03-28 22:46:15,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.13/10.38 [2019-03-28 22:46:15,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.13/10.38 [2019-03-28 22:46:15,211 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.13/10.38 [2019-03-28 22:46:15,226 INFO L110 SettingsManager]: Loading preferences was successful 17.13/10.38 [2019-03-28 22:46:15,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.13/10.38 [2019-03-28 22:46:15,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.13/10.38 [2019-03-28 22:46:15,227 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.13/10.38 [2019-03-28 22:46:15,228 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.13/10.38 [2019-03-28 22:46:15,228 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.13/10.38 [2019-03-28 22:46:15,228 INFO L133 SettingsManager]: * Use SBE=true 17.13/10.38 [2019-03-28 22:46:15,228 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.13/10.38 [2019-03-28 22:46:15,228 INFO L133 SettingsManager]: * Use old map elimination=false 17.13/10.38 [2019-03-28 22:46:15,228 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.13/10.38 [2019-03-28 22:46:15,229 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.13/10.38 [2019-03-28 22:46:15,229 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.13/10.38 [2019-03-28 22:46:15,229 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.13/10.38 [2019-03-28 22:46:15,229 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.13/10.38 [2019-03-28 22:46:15,229 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:15,229 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.13/10.38 [2019-03-28 22:46:15,230 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.13/10.38 [2019-03-28 22:46:15,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.13/10.38 [2019-03-28 22:46:15,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.13/10.38 [2019-03-28 22:46:15,230 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.13/10.38 [2019-03-28 22:46:15,230 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.13/10.38 [2019-03-28 22:46:15,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.13/10.38 [2019-03-28 22:46:15,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.13/10.38 [2019-03-28 22:46:15,231 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.13/10.38 [2019-03-28 22:46:15,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.13/10.38 [2019-03-28 22:46:15,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.13/10.38 [2019-03-28 22:46:15,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.13/10.38 [2019-03-28 22:46:15,232 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.13/10.38 [2019-03-28 22:46:15,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.13/10.38 [2019-03-28 22:46:15,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.13/10.38 [2019-03-28 22:46:15,270 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.13/10.38 [2019-03-28 22:46:15,273 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.13/10.38 [2019-03-28 22:46:15,275 INFO L271 PluginConnector]: Initializing CDTParser... 17.13/10.38 [2019-03-28 22:46:15,275 INFO L276 PluginConnector]: CDTParser initialized 17.13/10.38 [2019-03-28 22:46:15,276 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.13/10.38 [2019-03-28 22:46:15,341 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/467c358e5ac449d5ac1bea301c705c41/FLAG20c887cbd 17.13/10.38 [2019-03-28 22:46:15,680 INFO L307 CDTParser]: Found 1 translation units. 17.13/10.38 [2019-03-28 22:46:15,681 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.13/10.38 [2019-03-28 22:46:15,687 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/467c358e5ac449d5ac1bea301c705c41/FLAG20c887cbd 17.13/10.38 [2019-03-28 22:46:16,084 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/467c358e5ac449d5ac1bea301c705c41 17.13/10.38 [2019-03-28 22:46:16,097 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.13/10.38 [2019-03-28 22:46:16,098 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.13/10.38 [2019-03-28 22:46:16,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.13/10.38 [2019-03-28 22:46:16,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.13/10.38 [2019-03-28 22:46:16,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.13/10.38 [2019-03-28 22:46:16,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fb80fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.13/10.38 [2019-03-28 22:46:16,135 INFO L176 MainTranslator]: Built tables and reachable declarations 17.13/10.38 [2019-03-28 22:46:16,295 INFO L206 PostProcessor]: Analyzing one entry point: main 17.13/10.38 [2019-03-28 22:46:16,300 INFO L191 MainTranslator]: Completed pre-run 17.13/10.38 [2019-03-28 22:46:16,317 INFO L206 PostProcessor]: Analyzing one entry point: main 17.13/10.38 [2019-03-28 22:46:16,390 INFO L195 MainTranslator]: Completed translation 17.13/10.38 [2019-03-28 22:46:16,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16 WrapperNode 17.13/10.38 [2019-03-28 22:46:16,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.13/10.38 [2019-03-28 22:46:16,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.13/10.38 [2019-03-28 22:46:16,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.13/10.38 [2019-03-28 22:46:16,392 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.13/10.38 [2019-03-28 22:46:16,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.13/10.38 [2019-03-28 22:46:16,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.13/10.38 [2019-03-28 22:46:16,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.13/10.38 [2019-03-28 22:46:16,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.13/10.38 [2019-03-28 22:46:16,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.13/10.38 [2019-03-28 22:46:16,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.13/10.38 [2019-03-28 22:46:16,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.13/10.38 [2019-03-28 22:46:16,447 INFO L276 PluginConnector]: RCFGBuilder initialized 17.13/10.38 [2019-03-28 22:46:16,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (1/1) ... 17.13/10.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.13/10.38 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.13/10.38 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.13/10.38 [2019-03-28 22:46:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.13/10.38 [2019-03-28 22:46:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.13/10.38 [2019-03-28 22:46:16,639 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.13/10.38 [2019-03-28 22:46:16,639 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 17.13/10.38 [2019-03-28 22:46:16,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:16 BoogieIcfgContainer 17.13/10.38 [2019-03-28 22:46:16,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.13/10.38 [2019-03-28 22:46:16,641 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.13/10.38 [2019-03-28 22:46:16,642 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.13/10.38 [2019-03-28 22:46:16,644 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.13/10.38 [2019-03-28 22:46:16,644 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:16" (1/1) ... 17.13/10.38 [2019-03-28 22:46:16,659 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 17.13/10.38 [2019-03-28 22:46:16,661 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.13/10.38 [2019-03-28 22:46:16,661 INFO L263 BlockEncoder]: Using Maximize final states 17.13/10.38 [2019-03-28 22:46:16,662 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.13/10.38 [2019-03-28 22:46:16,662 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.13/10.38 [2019-03-28 22:46:16,664 INFO L296 BlockEncoder]: Using Remove sink states 17.13/10.38 [2019-03-28 22:46:16,665 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.13/10.38 [2019-03-28 22:46:16,665 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.13/10.38 [2019-03-28 22:46:16,679 INFO L185 BlockEncoder]: Using Use SBE 17.13/10.38 [2019-03-28 22:46:16,687 INFO L200 BlockEncoder]: SBE split 0 edges 17.13/10.38 [2019-03-28 22:46:16,692 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 17.13/10.38 [2019-03-28 22:46:16,693 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.13/10.38 [2019-03-28 22:46:16,706 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.13/10.38 [2019-03-28 22:46:16,708 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.13/10.38 [2019-03-28 22:46:16,710 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.13/10.38 [2019-03-28 22:46:16,710 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.13/10.38 [2019-03-28 22:46:16,710 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.13/10.38 [2019-03-28 22:46:16,710 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.13/10.38 [2019-03-28 22:46:16,711 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 17.13/10.38 [2019-03-28 22:46:16,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:46:16 BasicIcfg 17.13/10.38 [2019-03-28 22:46:16,711 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.13/10.38 [2019-03-28 22:46:16,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.13/10.38 [2019-03-28 22:46:16,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.13/10.38 [2019-03-28 22:46:16,715 INFO L276 PluginConnector]: TraceAbstraction initialized 17.13/10.38 [2019-03-28 22:46:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:46:16" (1/4) ... 17.13/10.38 [2019-03-28 22:46:16,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32846f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (2/4) ... 17.13/10.38 [2019-03-28 22:46:16,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32846f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:16" (3/4) ... 17.13/10.38 [2019-03-28 22:46:16,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32846f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:46:16" (4/4) ... 17.13/10.38 [2019-03-28 22:46:16,720 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.13/10.38 [2019-03-28 22:46:16,730 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.13/10.38 [2019-03-28 22:46:16,738 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.13/10.38 [2019-03-28 22:46:16,755 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.13/10.38 [2019-03-28 22:46:16,784 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.13/10.38 [2019-03-28 22:46:16,784 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.13/10.38 [2019-03-28 22:46:16,785 INFO L383 AbstractCegarLoop]: Hoare is true 17.13/10.38 [2019-03-28 22:46:16,785 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.13/10.38 [2019-03-28 22:46:16,785 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.13/10.38 [2019-03-28 22:46:16,785 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.13/10.38 [2019-03-28 22:46:16,785 INFO L387 AbstractCegarLoop]: Difference is false 17.13/10.38 [2019-03-28 22:46:16,785 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.13/10.38 [2019-03-28 22:46:16,785 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.13/10.38 [2019-03-28 22:46:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 17.13/10.38 [2019-03-28 22:46:16,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.13/10.38 [2019-03-28 22:46:16,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 17.13/10.38 [2019-03-28 22:46:16,858 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 22) the Hoare annotation is: true 17.13/10.38 [2019-03-28 22:46:16,858 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.13/10.38 [2019-03-28 22:46:16,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:46:16 BasicIcfg 17.13/10.38 [2019-03-28 22:46:16,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.13/10.38 [2019-03-28 22:46:16,867 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.13/10.38 [2019-03-28 22:46:16,867 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.13/10.38 [2019-03-28 22:46:16,871 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.13/10.38 [2019-03-28 22:46:16,871 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.13/10.38 [2019-03-28 22:46:16,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:46:16" (1/5) ... 17.13/10.38 [2019-03-28 22:46:16,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@211028c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,872 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.13/10.38 [2019-03-28 22:46:16,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:16" (2/5) ... 17.13/10.38 [2019-03-28 22:46:16,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@211028c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,873 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.13/10.38 [2019-03-28 22:46:16,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:16" (3/5) ... 17.13/10.38 [2019-03-28 22:46:16,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@211028c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,874 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.13/10.38 [2019-03-28 22:46:16,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:46:16" (4/5) ... 17.13/10.38 [2019-03-28 22:46:16,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@211028c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:46:16, skipping insertion in model container 17.13/10.38 [2019-03-28 22:46:16,875 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.13/10.38 [2019-03-28 22:46:16,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:46:16" (5/5) ... 17.13/10.38 [2019-03-28 22:46:16,876 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.13/10.38 [2019-03-28 22:46:16,903 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.13/10.38 [2019-03-28 22:46:16,903 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.13/10.38 [2019-03-28 22:46:16,903 INFO L375 BuchiCegarLoop]: Hoare is true 17.13/10.38 [2019-03-28 22:46:16,904 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.13/10.38 [2019-03-28 22:46:16,904 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.13/10.38 [2019-03-28 22:46:16,904 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.13/10.38 [2019-03-28 22:46:16,904 INFO L379 BuchiCegarLoop]: Difference is false 17.13/10.38 [2019-03-28 22:46:16,904 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.13/10.38 [2019-03-28 22:46:16,904 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.13/10.38 [2019-03-28 22:46:16,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 17.13/10.38 [2019-03-28 22:46:16,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.13/10.38 [2019-03-28 22:46:16,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.13/10.38 [2019-03-28 22:46:16,926 INFO L119 BuchiIsEmpty]: Starting construction of run 17.13/10.38 [2019-03-28 22:46:16,931 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.13/10.38 [2019-03-28 22:46:16,932 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.13/10.38 [2019-03-28 22:46:16,932 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.13/10.38 [2019-03-28 22:46:16,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 17.13/10.38 [2019-03-28 22:46:16,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.13/10.38 [2019-03-28 22:46:16,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.13/10.38 [2019-03-28 22:46:16,933 INFO L119 BuchiIsEmpty]: Starting construction of run 17.13/10.38 [2019-03-28 22:46:16,933 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.13/10.38 [2019-03-28 22:46:16,933 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.13/10.38 [2019-03-28 22:46:16,938 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~d1~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~d2~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~d1~0=v_ULTIMATE.start_main_~d1~0_1, ULTIMATE.start_main_~d2~0=v_ULTIMATE.start_main_~d2~0_1, ULTIMATE.start_main_~d1old~0=v_ULTIMATE.start_main_~d1old~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~d1~0, ULTIMATE.start_main_~d2~0, ULTIMATE.start_main_~d1old~0, ULTIMATE.start_main_~x~0] 3#L17-2true 17.13/10.38 [2019-03-28 22:46:16,939 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [20] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~d2~0_6 (+ v_ULTIMATE.start_main_~d1old~0_4 1)) (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~d1old~0_4 v_ULTIMATE.start_main_~d1~0_7) (= v_ULTIMATE.start_main_~d1~0_6 (+ v_ULTIMATE.start_main_~d2~0_7 1)) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~d1~0_7) v_ULTIMATE.start_main_~x~0_8))) InVars {ULTIMATE.start_main_~d2~0=v_ULTIMATE.start_main_~d2~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~d1~0=v_ULTIMATE.start_main_~d1~0_7} OutVars{ULTIMATE.start_main_~d2~0=v_ULTIMATE.start_main_~d2~0_6, ULTIMATE.start_main_~d1old~0=v_ULTIMATE.start_main_~d1old~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~d1~0=v_ULTIMATE.start_main_~d1~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~d1~0, ULTIMATE.start_main_~d2~0, ULTIMATE.start_main_~d1old~0, ULTIMATE.start_main_~x~0] 3#L17-2true 17.13/10.38 [2019-03-28 22:46:16,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.13/10.38 [2019-03-28 22:46:16,946 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 17.13/10.38 [2019-03-28 22:46:16,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.13/10.38 [2019-03-28 22:46:16,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.13/10.38 [2019-03-28 22:46:16,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:16,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:16,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.13/10.38 [2019-03-28 22:46:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.13/10.38 [2019-03-28 22:46:17,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.13/10.38 [2019-03-28 22:46:17,022 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 17.13/10.38 [2019-03-28 22:46:17,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.13/10.38 [2019-03-28 22:46:17,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.13/10.38 [2019-03-28 22:46:17,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:17,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:17,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.13/10.38 [2019-03-28 22:46:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.13/10.38 [2019-03-28 22:46:17,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.13/10.38 [2019-03-28 22:46:17,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 17.13/10.38 [2019-03-28 22:46:17,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.13/10.38 [2019-03-28 22:46:17,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.13/10.38 [2019-03-28 22:46:17,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:17,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:17,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.13/10.38 [2019-03-28 22:46:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.13/10.38 [2019-03-28 22:46:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.13/10.38 [2019-03-28 22:46:17,119 INFO L216 LassoAnalysis]: Preferences: 17.13/10.38 [2019-03-28 22:46:17,121 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.13/10.38 [2019-03-28 22:46:17,121 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.13/10.38 [2019-03-28 22:46:17,121 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.13/10.38 [2019-03-28 22:46:17,121 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.13/10.38 [2019-03-28 22:46:17,121 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:17,122 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.13/10.38 [2019-03-28 22:46:17,122 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.13/10.38 [2019-03-28 22:46:17,122 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.13/10.38 [2019-03-28 22:46:17,122 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.13/10.38 [2019-03-28 22:46:17,122 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.13/10.38 [2019-03-28 22:46:17,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.13/10.38 [2019-03-28 22:46:17,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.13/10.38 [2019-03-28 22:46:17,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.13/10.38 [2019-03-28 22:46:17,280 INFO L300 LassoAnalysis]: Preprocessing complete. 17.13/10.38 [2019-03-28 22:46:17,280 INFO L412 LassoAnalysis]: Checking for nontermination... 17.13/10.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.13/10.38 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.13/10.38 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:17,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.13/10.38 [2019-03-28 22:46:17,286 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.13/10.38 [2019-03-28 22:46:17,319 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.13/10.38 [2019-03-28 22:46:17,319 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.13/10.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.13/10.38 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.13/10.38 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:17,326 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.13/10.38 [2019-03-28 22:46:17,326 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.13/10.38 [2019-03-28 22:46:17,353 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.13/10.38 [2019-03-28 22:46:17,353 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.13/10.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.13/10.38 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.13/10.38 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:17,358 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.13/10.38 [2019-03-28 22:46:17,358 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.13/10.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.13/10.38 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.13/10.38 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:17,391 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.13/10.38 [2019-03-28 22:46:17,391 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.13/10.38 [2019-03-28 22:46:21,693 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.13/10.38 [2019-03-28 22:46:21,697 INFO L216 LassoAnalysis]: Preferences: 17.13/10.38 [2019-03-28 22:46:21,697 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.13/10.38 [2019-03-28 22:46:21,697 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.13/10.38 [2019-03-28 22:46:21,697 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.13/10.38 [2019-03-28 22:46:21,698 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.13/10.38 [2019-03-28 22:46:21,698 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.13/10.38 [2019-03-28 22:46:21,698 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.13/10.38 [2019-03-28 22:46:21,698 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.13/10.38 [2019-03-28 22:46:21,698 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.13/10.38 [2019-03-28 22:46:21,698 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.13/10.38 [2019-03-28 22:46:21,698 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.13/10.38 [2019-03-28 22:46:21,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.13/10.38 [2019-03-28 22:46:21,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.13/10.38 [2019-03-28 22:46:21,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.13/10.38 [2019-03-28 22:46:21,796 INFO L300 LassoAnalysis]: Preprocessing complete. 17.13/10.38 [2019-03-28 22:46:21,802 INFO L497 LassoAnalysis]: Using template 'affine'. 17.13/10.38 [2019-03-28 22:46:21,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,807 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,807 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,811 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,812 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,822 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,824 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,824 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,835 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.13/10.38 [2019-03-28 22:46:21,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,836 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,851 INFO L497 LassoAnalysis]: Using template '2-nested'. 17.13/10.38 [2019-03-28 22:46:21,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,853 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,856 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,857 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,863 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,863 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,867 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,867 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,878 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.13/10.38 [2019-03-28 22:46:21,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,879 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,899 INFO L497 LassoAnalysis]: Using template '3-nested'. 17.13/10.38 [2019-03-28 22:46:21,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,900 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,900 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,904 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,904 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,912 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,913 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,917 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,917 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.13/10.38 [2019-03-28 22:46:21,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.13/10.38 Termination analysis: LINEAR_WITH_GUESSES 17.13/10.38 Number of strict supporting invariants: 0 17.13/10.38 Number of non-strict supporting invariants: 1 17.13/10.38 Consider only non-deceasing supporting invariants: true 17.13/10.38 Simplify termination arguments: true 17.13/10.38 Simplify supporting invariants: trueOverapproximate stem: false 17.13/10.38 [2019-03-28 22:46:21,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.13/10.38 [2019-03-28 22:46:21,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.13/10.38 [2019-03-28 22:46:21,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.13/10.38 [2019-03-28 22:46:21,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.13/10.38 [2019-03-28 22:46:21,929 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 17.13/10.38 [2019-03-28 22:46:21,931 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 17.13/10.38 [2019-03-28 22:46:21,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.13/10.38 [2019-03-28 22:46:21,948 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.13/10.38 [2019-03-28 22:46:21,968 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.13/10.38 [2019-03-28 22:46:21,968 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 17.13/10.38 [2019-03-28 22:46:21,971 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.13/10.38 [2019-03-28 22:46:21,971 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.13/10.38 [2019-03-28 22:46:21,971 INFO L518 LassoAnalysis]: Proved termination. 17.13/10.38 [2019-03-28 22:46:21,972 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.13/10.38 Ranking function 3-nested ranking function: 17.13/10.38 f0 = -1*ULTIMATE.start_main_~d2~0 - 1*ULTIMATE.start_main_~d1~0 17.13/10.38 f1 = -1*ULTIMATE.start_main_~d1~0 + 2*ULTIMATE.start_main_~x~0 + 1 17.13/10.38 f2 = 1*ULTIMATE.start_main_~x~0 + 1 17.13/10.38 Supporting invariants [] 17.13/10.38 [2019-03-28 22:46:21,974 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.13/10.38 [2019-03-28 22:46:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.13/10.38 [2019-03-28 22:46:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.13/10.38 [2019-03-28 22:46:22,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 17.13/10.38 [2019-03-28 22:46:22,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.13/10.38 [2019-03-28 22:46:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.13/10.38 [2019-03-28 22:46:22,039 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core 17.13/10.38 [2019-03-28 22:46:22,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.13/10.38 [2019-03-28 22:46:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.13/10.38 [2019-03-28 22:46:22,086 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.13/10.38 [2019-03-28 22:46:22,091 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 17.13/10.38 [2019-03-28 22:46:22,093 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 17.13/10.38 [2019-03-28 22:46:22,113 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 17.13/10.38 [2019-03-28 22:46:22,114 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 17.13/10.38 [2019-03-28 22:46:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.13/10.38 [2019-03-28 22:46:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 17.13/10.38 [2019-03-28 22:46:22,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 17.13/10.38 [2019-03-28 22:46:22,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.13/10.38 [2019-03-28 22:46:22,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 17.13/10.38 [2019-03-28 22:46:22,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.13/10.38 [2019-03-28 22:46:22,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 17.13/10.38 [2019-03-28 22:46:22,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.13/10.38 [2019-03-28 22:46:22,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 17.13/10.38 [2019-03-28 22:46:22,125 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.13/10.38 [2019-03-28 22:46:22,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 17.13/10.38 [2019-03-28 22:46:22,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.13/10.38 [2019-03-28 22:46:22,129 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.13/10.38 [2019-03-28 22:46:22,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.13/10.38 [2019-03-28 22:46:22,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.13/10.38 [2019-03-28 22:46:22,130 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.13/10.38 [2019-03-28 22:46:22,130 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.13/10.38 [2019-03-28 22:46:22,130 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.13/10.38 [2019-03-28 22:46:22,130 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.13/10.38 [2019-03-28 22:46:22,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.13/10.38 [2019-03-28 22:46:22,130 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.13/10.38 [2019-03-28 22:46:22,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.13/10.38 [2019-03-28 22:46:22,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:46:22 BasicIcfg 17.13/10.38 [2019-03-28 22:46:22,136 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.13/10.38 [2019-03-28 22:46:22,137 INFO L168 Benchmark]: Toolchain (without parser) took 6039.55 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 564.9 MB in the beginning and 513.9 MB in the end (delta: 51.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,138 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.58 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 564.9 MB in the beginning and 648.1 MB in the end (delta: -83.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.51 ms. Allocated memory is still 681.6 MB. Free memory was 648.1 MB in the beginning and 646.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,140 INFO L168 Benchmark]: Boogie Preprocessor took 19.51 ms. Allocated memory is still 681.6 MB. Free memory was 646.7 MB in the beginning and 645.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,141 INFO L168 Benchmark]: RCFGBuilder took 194.30 ms. Allocated memory is still 681.6 MB. Free memory was 645.4 MB in the beginning and 630.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,142 INFO L168 Benchmark]: BlockEncodingV2 took 69.82 ms. Allocated memory is still 681.6 MB. Free memory was 630.7 MB in the beginning and 625.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,142 INFO L168 Benchmark]: TraceAbstraction took 154.68 ms. Allocated memory is still 681.6 MB. Free memory was 624.2 MB in the beginning and 616.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,143 INFO L168 Benchmark]: BuchiAutomizer took 5268.96 ms. Allocated memory is still 681.6 MB. Free memory was 616.1 MB in the beginning and 513.9 MB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 50.3 GB. 17.13/10.38 [2019-03-28 22:46:22,147 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.13/10.38 --- Results --- 17.13/10.38 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.13/10.38 - StatisticsResult: Initial Icfg 17.13/10.38 6 locations, 7 edges 17.13/10.38 - StatisticsResult: Encoded RCFG 17.13/10.38 2 locations, 2 edges 17.13/10.38 * Results from de.uni_freiburg.informatik.ultimate.core: 17.13/10.38 - StatisticsResult: Toolchain Benchmarks 17.13/10.38 Benchmark results are: 17.13/10.38 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.13/10.38 * CACSL2BoogieTranslator took 291.58 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 564.9 MB in the beginning and 648.1 MB in the end (delta: -83.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 17.13/10.38 * Boogie Procedure Inliner took 35.51 ms. Allocated memory is still 681.6 MB. Free memory was 648.1 MB in the beginning and 646.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.13/10.38 * Boogie Preprocessor took 19.51 ms. Allocated memory is still 681.6 MB. Free memory was 646.7 MB in the beginning and 645.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.13/10.38 * RCFGBuilder took 194.30 ms. Allocated memory is still 681.6 MB. Free memory was 645.4 MB in the beginning and 630.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 17.13/10.38 * BlockEncodingV2 took 69.82 ms. Allocated memory is still 681.6 MB. Free memory was 630.7 MB in the beginning and 625.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 17.13/10.38 * TraceAbstraction took 154.68 ms. Allocated memory is still 681.6 MB. Free memory was 624.2 MB in the beginning and 616.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 17.13/10.38 * BuchiAutomizer took 5268.96 ms. Allocated memory is still 681.6 MB. Free memory was 616.1 MB in the beginning and 513.9 MB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 50.3 GB. 17.13/10.38 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.13/10.38 - AllSpecificationsHoldResult: All specifications hold 17.13/10.38 We were not able to verify any specifiation because the program does not contain any specification. 17.13/10.38 - InvariantResult [Line: 17]: Loop Invariant 17.13/10.38 Derived loop invariant: 1 17.13/10.38 - StatisticsResult: Ultimate Automizer benchmark data 17.13/10.38 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.13/10.38 - StatisticsResult: Constructed decomposition of program 17.13/10.38 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 3-nested ranking function (if -1 * d2 + -1 * d1 > 0 then 2 else (if -1 * d1 + 2 * x + 1 > 0 then 1 else 0)), (if -1 * d2 + -1 * d1 > 0 then -1 * d2 + -1 * d1 else (if -1 * d1 + 2 * x + 1 > 0 then -1 * d1 + 2 * x + 1 else x + 1)) and consists of 2 locations. 17.13/10.38 - StatisticsResult: Timing statistics 17.13/10.38 BüchiAutomizer plugin needed 5.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax148 hnf94 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.4s 17.13/10.38 - TerminationAnalysisResult: Termination proven 17.13/10.38 Buchi Automizer proved that your program is terminating 17.13/10.38 RESULT: Ultimate proved your program to be correct! 17.13/10.38 !SESSION 2019-03-28 22:46:12.892 ----------------------------------------------- 17.13/10.38 eclipse.buildId=unknown 17.13/10.38 java.version=1.8.0_181 17.13/10.38 java.vendor=Oracle Corporation 17.13/10.38 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.13/10.38 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.13/10.38 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.13/10.38 17.13/10.38 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:46:22.378 17.13/10.38 !MESSAGE The workspace will exit with unsaved changes in this session. 17.13/10.38 Received shutdown request... 17.13/10.38 Ultimate: 17.13/10.38 GTK+ Version Check 17.13/10.38 EOF