14.43/6.69 YES 14.43/6.69 14.43/6.69 Ultimate: Cannot open display: 14.43/6.69 This is Ultimate 0.1.24-8dc7c08-m 14.43/6.69 [2019-03-29 01:42:16,174 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.43/6.69 [2019-03-29 01:42:16,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.43/6.69 [2019-03-29 01:42:16,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.43/6.69 [2019-03-29 01:42:16,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.43/6.69 [2019-03-29 01:42:16,190 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.43/6.69 [2019-03-29 01:42:16,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.43/6.69 [2019-03-29 01:42:16,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.43/6.69 [2019-03-29 01:42:16,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.43/6.69 [2019-03-29 01:42:16,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.43/6.69 [2019-03-29 01:42:16,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.43/6.69 [2019-03-29 01:42:16,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.43/6.69 [2019-03-29 01:42:16,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.43/6.69 [2019-03-29 01:42:16,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.43/6.69 [2019-03-29 01:42:16,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.43/6.69 [2019-03-29 01:42:16,201 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.43/6.69 [2019-03-29 01:42:16,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.43/6.69 [2019-03-29 01:42:16,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.43/6.69 [2019-03-29 01:42:16,205 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.43/6.69 [2019-03-29 01:42:16,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.43/6.69 [2019-03-29 01:42:16,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.43/6.69 [2019-03-29 01:42:16,210 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.43/6.69 [2019-03-29 01:42:16,211 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.43/6.69 [2019-03-29 01:42:16,211 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.43/6.69 [2019-03-29 01:42:16,212 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.43/6.69 [2019-03-29 01:42:16,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.43/6.69 [2019-03-29 01:42:16,214 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.43/6.69 [2019-03-29 01:42:16,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.43/6.69 [2019-03-29 01:42:16,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.43/6.69 [2019-03-29 01:42:16,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.43/6.69 [2019-03-29 01:42:16,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.43/6.69 [2019-03-29 01:42:16,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.43/6.69 [2019-03-29 01:42:16,218 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.43/6.69 [2019-03-29 01:42:16,232 INFO L110 SettingsManager]: Loading preferences was successful 14.43/6.69 [2019-03-29 01:42:16,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.43/6.69 [2019-03-29 01:42:16,234 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.43/6.69 [2019-03-29 01:42:16,234 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.43/6.69 [2019-03-29 01:42:16,234 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.43/6.69 [2019-03-29 01:42:16,234 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.43/6.69 [2019-03-29 01:42:16,234 INFO L133 SettingsManager]: * Use SBE=true 14.43/6.69 [2019-03-29 01:42:16,235 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.43/6.69 [2019-03-29 01:42:16,235 INFO L133 SettingsManager]: * Use old map elimination=false 14.43/6.69 [2019-03-29 01:42:16,235 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.43/6.69 [2019-03-29 01:42:16,235 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.43/6.69 [2019-03-29 01:42:16,235 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.43/6.69 [2019-03-29 01:42:16,235 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.43/6.69 [2019-03-29 01:42:16,236 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.43/6.69 [2019-03-29 01:42:16,236 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.69 [2019-03-29 01:42:16,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.43/6.69 [2019-03-29 01:42:16,236 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.43/6.69 [2019-03-29 01:42:16,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.43/6.69 [2019-03-29 01:42:16,236 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.43/6.69 [2019-03-29 01:42:16,237 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.43/6.69 [2019-03-29 01:42:16,237 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.43/6.69 [2019-03-29 01:42:16,237 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.43/6.69 [2019-03-29 01:42:16,237 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.43/6.69 [2019-03-29 01:42:16,237 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.43/6.69 [2019-03-29 01:42:16,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.43/6.69 [2019-03-29 01:42:16,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.43/6.69 [2019-03-29 01:42:16,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.43/6.69 [2019-03-29 01:42:16,238 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.43/6.69 [2019-03-29 01:42:16,238 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.43/6.69 [2019-03-29 01:42:16,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.43/6.69 [2019-03-29 01:42:16,277 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.43/6.69 [2019-03-29 01:42:16,281 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.43/6.69 [2019-03-29 01:42:16,282 INFO L271 PluginConnector]: Initializing CDTParser... 14.43/6.69 [2019-03-29 01:42:16,282 INFO L276 PluginConnector]: CDTParser initialized 14.43/6.69 [2019-03-29 01:42:16,283 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.43/6.69 [2019-03-29 01:42:16,343 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b5b78167af604c3facd5ad966ed73d89/FLAG9f17cfeba 14.43/6.69 [2019-03-29 01:42:16,685 INFO L307 CDTParser]: Found 1 translation units. 14.43/6.69 [2019-03-29 01:42:16,686 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.43/6.69 [2019-03-29 01:42:16,693 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b5b78167af604c3facd5ad966ed73d89/FLAG9f17cfeba 14.43/6.69 [2019-03-29 01:42:17,092 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b5b78167af604c3facd5ad966ed73d89 14.43/6.69 [2019-03-29 01:42:17,103 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.43/6.69 [2019-03-29 01:42:17,105 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.43/6.69 [2019-03-29 01:42:17,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.43/6.69 [2019-03-29 01:42:17,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.43/6.69 [2019-03-29 01:42:17,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.43/6.69 [2019-03-29 01:42:17,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bfca31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.43/6.69 [2019-03-29 01:42:17,141 INFO L176 MainTranslator]: Built tables and reachable declarations 14.43/6.69 [2019-03-29 01:42:17,298 INFO L206 PostProcessor]: Analyzing one entry point: main 14.43/6.69 [2019-03-29 01:42:17,303 INFO L191 MainTranslator]: Completed pre-run 14.43/6.69 [2019-03-29 01:42:17,320 INFO L206 PostProcessor]: Analyzing one entry point: main 14.43/6.69 [2019-03-29 01:42:17,335 INFO L195 MainTranslator]: Completed translation 14.43/6.69 [2019-03-29 01:42:17,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17 WrapperNode 14.43/6.69 [2019-03-29 01:42:17,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.43/6.69 [2019-03-29 01:42:17,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.43/6.69 [2019-03-29 01:42:17,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.43/6.69 [2019-03-29 01:42:17,337 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.43/6.69 [2019-03-29 01:42:17,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.43/6.69 [2019-03-29 01:42:17,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.43/6.69 [2019-03-29 01:42:17,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.43/6.69 [2019-03-29 01:42:17,432 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.43/6.69 [2019-03-29 01:42:17,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.43/6.69 [2019-03-29 01:42:17,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.43/6.69 [2019-03-29 01:42:17,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.43/6.69 [2019-03-29 01:42:17,454 INFO L276 PluginConnector]: RCFGBuilder initialized 14.43/6.69 [2019-03-29 01:42:17,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (1/1) ... 14.43/6.69 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.69 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.43/6.69 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.43/6.69 [2019-03-29 01:42:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.43/6.69 [2019-03-29 01:42:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.43/6.69 [2019-03-29 01:42:17,639 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.43/6.69 [2019-03-29 01:42:17,640 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.43/6.69 [2019-03-29 01:42:17,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:17 BoogieIcfgContainer 14.43/6.69 [2019-03-29 01:42:17,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.43/6.69 [2019-03-29 01:42:17,642 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.43/6.69 [2019-03-29 01:42:17,642 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.43/6.69 [2019-03-29 01:42:17,644 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.43/6.69 [2019-03-29 01:42:17,645 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:17" (1/1) ... 14.43/6.69 [2019-03-29 01:42:17,659 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.43/6.69 [2019-03-29 01:42:17,661 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.43/6.69 [2019-03-29 01:42:17,662 INFO L263 BlockEncoder]: Using Maximize final states 14.43/6.69 [2019-03-29 01:42:17,662 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.43/6.69 [2019-03-29 01:42:17,663 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.43/6.69 [2019-03-29 01:42:17,665 INFO L296 BlockEncoder]: Using Remove sink states 14.43/6.69 [2019-03-29 01:42:17,665 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.43/6.69 [2019-03-29 01:42:17,666 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.43/6.69 [2019-03-29 01:42:17,680 INFO L185 BlockEncoder]: Using Use SBE 14.43/6.69 [2019-03-29 01:42:17,687 INFO L200 BlockEncoder]: SBE split 0 edges 14.43/6.69 [2019-03-29 01:42:17,693 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.43/6.69 [2019-03-29 01:42:17,695 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.43/6.69 [2019-03-29 01:42:17,709 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.43/6.69 [2019-03-29 01:42:17,711 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.43/6.69 [2019-03-29 01:42:17,713 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.43/6.69 [2019-03-29 01:42:17,713 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.43/6.69 [2019-03-29 01:42:17,713 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.43/6.69 [2019-03-29 01:42:17,713 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.43/6.69 [2019-03-29 01:42:17,714 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.43/6.69 [2019-03-29 01:42:17,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:42:17 BasicIcfg 14.43/6.69 [2019-03-29 01:42:17,714 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.43/6.69 [2019-03-29 01:42:17,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.43/6.69 [2019-03-29 01:42:17,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.43/6.69 [2019-03-29 01:42:17,719 INFO L276 PluginConnector]: TraceAbstraction initialized 14.43/6.69 [2019-03-29 01:42:17,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:42:17" (1/4) ... 14.43/6.69 [2019-03-29 01:42:17,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ced2082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (2/4) ... 14.43/6.69 [2019-03-29 01:42:17,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ced2082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:17" (3/4) ... 14.43/6.69 [2019-03-29 01:42:17,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ced2082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:42:17" (4/4) ... 14.43/6.69 [2019-03-29 01:42:17,723 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.43/6.69 [2019-03-29 01:42:17,733 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.43/6.69 [2019-03-29 01:42:17,740 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.43/6.69 [2019-03-29 01:42:17,758 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.43/6.69 [2019-03-29 01:42:17,786 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.43/6.69 [2019-03-29 01:42:17,787 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.43/6.69 [2019-03-29 01:42:17,787 INFO L383 AbstractCegarLoop]: Hoare is true 14.43/6.69 [2019-03-29 01:42:17,788 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.43/6.69 [2019-03-29 01:42:17,788 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.43/6.69 [2019-03-29 01:42:17,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.43/6.69 [2019-03-29 01:42:17,788 INFO L387 AbstractCegarLoop]: Difference is false 14.43/6.69 [2019-03-29 01:42:17,788 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.43/6.69 [2019-03-29 01:42:17,788 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.43/6.69 [2019-03-29 01:42:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.43/6.69 [2019-03-29 01:42:17,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.43/6.69 [2019-03-29 01:42:17,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.43/6.69 [2019-03-29 01:42:17,863 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 14.43/6.69 [2019-03-29 01:42:17,863 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: true 14.43/6.69 [2019-03-29 01:42:17,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.43/6.69 [2019-03-29 01:42:17,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:42:17 BasicIcfg 14.43/6.69 [2019-03-29 01:42:17,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.43/6.69 [2019-03-29 01:42:17,873 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.43/6.69 [2019-03-29 01:42:17,873 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.43/6.69 [2019-03-29 01:42:17,876 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.43/6.69 [2019-03-29 01:42:17,877 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.43/6.69 [2019-03-29 01:42:17,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:42:17" (1/5) ... 14.43/6.69 [2019-03-29 01:42:17,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@98246d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,878 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.43/6.69 [2019-03-29 01:42:17,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:17" (2/5) ... 14.43/6.69 [2019-03-29 01:42:17,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@98246d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,879 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.43/6.69 [2019-03-29 01:42:17,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:17" (3/5) ... 14.43/6.69 [2019-03-29 01:42:17,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@98246d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,880 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.43/6.69 [2019-03-29 01:42:17,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:42:17" (4/5) ... 14.43/6.69 [2019-03-29 01:42:17,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@98246d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:42:17, skipping insertion in model container 14.43/6.69 [2019-03-29 01:42:17,880 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.43/6.69 [2019-03-29 01:42:17,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:42:17" (5/5) ... 14.43/6.69 [2019-03-29 01:42:17,882 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.43/6.69 [2019-03-29 01:42:17,911 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.43/6.69 [2019-03-29 01:42:17,911 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.43/6.69 [2019-03-29 01:42:17,911 INFO L375 BuchiCegarLoop]: Hoare is true 14.43/6.69 [2019-03-29 01:42:17,912 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.43/6.69 [2019-03-29 01:42:17,912 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.43/6.69 [2019-03-29 01:42:17,912 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.43/6.69 [2019-03-29 01:42:17,912 INFO L379 BuchiCegarLoop]: Difference is false 14.43/6.69 [2019-03-29 01:42:17,912 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.43/6.69 [2019-03-29 01:42:17,912 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.43/6.69 [2019-03-29 01:42:17,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.43/6.69 [2019-03-29 01:42:17,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.43/6.69 [2019-03-29 01:42:17,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.43/6.69 [2019-03-29 01:42:17,933 INFO L119 BuchiIsEmpty]: Starting construction of run 14.43/6.69 [2019-03-29 01:42:17,938 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.43/6.70 [2019-03-29 01:42:17,939 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.43/6.70 [2019-03-29 01:42:17,939 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.43/6.70 [2019-03-29 01:42:17,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.43/6.70 [2019-03-29 01:42:17,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.43/6.70 [2019-03-29 01:42:17,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.43/6.70 [2019-03-29 01:42:17,940 INFO L119 BuchiIsEmpty]: Starting construction of run 14.43/6.70 [2019-03-29 01:42:17,940 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.43/6.70 [2019-03-29 01:42:17,940 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.43/6.70 [2019-03-29 01:42:17,945 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true 14.43/6.70 [2019-03-29 01:42:17,946 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [33] L17-2-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 5#L19-2true [45] L19-2-->L17-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13) (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true 14.43/6.70 [2019-03-29 01:42:17,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:17,952 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 14.43/6.70 [2019-03-29 01:42:17,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.43/6.70 [2019-03-29 01:42:17,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.43/6.70 [2019-03-29 01:42:17,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:17,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:17,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:18,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2029, now seen corresponding path program 1 times 14.43/6.70 [2019-03-29 01:42:18,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.43/6.70 [2019-03-29 01:42:18,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.43/6.70 [2019-03-29 01:42:18,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:18,045 INFO L82 PathProgramCache]: Analyzing trace with hash 63533, now seen corresponding path program 1 times 14.43/6.70 [2019-03-29 01:42:18,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.43/6.70 [2019-03-29 01:42:18,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.43/6.70 [2019-03-29 01:42:18,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,099 INFO L216 LassoAnalysis]: Preferences: 14.43/6.70 [2019-03-29 01:42:18,100 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.43/6.70 [2019-03-29 01:42:18,100 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.43/6.70 [2019-03-29 01:42:18,100 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.43/6.70 [2019-03-29 01:42:18,101 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.43/6.70 [2019-03-29 01:42:18,101 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,101 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.43/6.70 [2019-03-29 01:42:18,101 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.43/6.70 [2019-03-29 01:42:18,101 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.43/6.70 [2019-03-29 01:42:18,102 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.43/6.70 [2019-03-29 01:42:18,102 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.43/6.70 [2019-03-29 01:42:18,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,224 INFO L300 LassoAnalysis]: Preprocessing complete. 14.43/6.70 [2019-03-29 01:42:18,225 INFO L412 LassoAnalysis]: Checking for nontermination... 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,232 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,233 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 [2019-03-29 01:42:18,266 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.43/6.70 [2019-03-29 01:42:18,266 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,272 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 [2019-03-29 01:42:18,300 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.43/6.70 [2019-03-29 01:42:18,300 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,309 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,309 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,344 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,345 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 [2019-03-29 01:42:18,380 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.43/6.70 [2019-03-29 01:42:18,383 INFO L216 LassoAnalysis]: Preferences: 14.43/6.70 [2019-03-29 01:42:18,383 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.43/6.70 [2019-03-29 01:42:18,383 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.43/6.70 [2019-03-29 01:42:18,383 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.43/6.70 [2019-03-29 01:42:18,384 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.43/6.70 [2019-03-29 01:42:18,384 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,384 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.43/6.70 [2019-03-29 01:42:18,384 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.43/6.70 [2019-03-29 01:42:18,384 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.43/6.70 [2019-03-29 01:42:18,384 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.43/6.70 [2019-03-29 01:42:18,385 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.43/6.70 [2019-03-29 01:42:18,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,480 INFO L300 LassoAnalysis]: Preprocessing complete. 14.43/6.70 [2019-03-29 01:42:18,486 INFO L497 LassoAnalysis]: Using template 'affine'. 14.43/6.70 [2019-03-29 01:42:18,488 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.43/6.70 Termination analysis: LINEAR_WITH_GUESSES 14.43/6.70 Number of strict supporting invariants: 0 14.43/6.70 Number of non-strict supporting invariants: 1 14.43/6.70 Consider only non-deceasing supporting invariants: true 14.43/6.70 Simplify termination arguments: true 14.43/6.70 Simplify supporting invariants: trueOverapproximate stem: false 14.43/6.70 [2019-03-29 01:42:18,489 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.43/6.70 [2019-03-29 01:42:18,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.43/6.70 [2019-03-29 01:42:18,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.43/6.70 [2019-03-29 01:42:18,490 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.43/6.70 [2019-03-29 01:42:18,495 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.43/6.70 [2019-03-29 01:42:18,495 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.43/6.70 [2019-03-29 01:42:18,503 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.43/6.70 [2019-03-29 01:42:18,504 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.43/6.70 Termination analysis: LINEAR_WITH_GUESSES 14.43/6.70 Number of strict supporting invariants: 0 14.43/6.70 Number of non-strict supporting invariants: 1 14.43/6.70 Consider only non-deceasing supporting invariants: true 14.43/6.70 Simplify termination arguments: true 14.43/6.70 Simplify supporting invariants: trueOverapproximate stem: false 14.43/6.70 [2019-03-29 01:42:18,504 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.43/6.70 [2019-03-29 01:42:18,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.43/6.70 [2019-03-29 01:42:18,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.43/6.70 [2019-03-29 01:42:18,505 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.43/6.70 [2019-03-29 01:42:18,508 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.43/6.70 [2019-03-29 01:42:18,508 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.43/6.70 [2019-03-29 01:42:18,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.43/6.70 [2019-03-29 01:42:18,516 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.43/6.70 Termination analysis: LINEAR_WITH_GUESSES 14.43/6.70 Number of strict supporting invariants: 0 14.43/6.70 Number of non-strict supporting invariants: 1 14.43/6.70 Consider only non-deceasing supporting invariants: true 14.43/6.70 Simplify termination arguments: true 14.43/6.70 Simplify supporting invariants: trueOverapproximate stem: false 14.43/6.70 [2019-03-29 01:42:18,517 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.43/6.70 [2019-03-29 01:42:18,517 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.43/6.70 [2019-03-29 01:42:18,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.43/6.70 [2019-03-29 01:42:18,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.43/6.70 [2019-03-29 01:42:18,518 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.43/6.70 [2019-03-29 01:42:18,519 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.43/6.70 [2019-03-29 01:42:18,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.43/6.70 [2019-03-29 01:42:18,527 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.43/6.70 [2019-03-29 01:42:18,534 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.43/6.70 [2019-03-29 01:42:18,534 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 14.43/6.70 [2019-03-29 01:42:18,536 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.43/6.70 [2019-03-29 01:42:18,536 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.43/6.70 [2019-03-29 01:42:18,536 INFO L518 LassoAnalysis]: Proved termination. 14.43/6.70 [2019-03-29 01:42:18,537 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.43/6.70 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 14.43/6.70 Supporting invariants [] 14.43/6.70 [2019-03-29 01:42:18,538 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.43/6.70 [2019-03-29 01:42:18,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.43/6.70 [2019-03-29 01:42:18,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.43/6.70 [2019-03-29 01:42:18,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.43/6.70 [2019-03-29 01:42:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.43/6.70 [2019-03-29 01:42:18,586 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.43/6.70 [2019-03-29 01:42:18,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.43/6.70 [2019-03-29 01:42:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.43/6.70 [2019-03-29 01:42:18,628 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.43/6.70 [2019-03-29 01:42:18,633 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.43/6.70 [2019-03-29 01:42:18,650 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.43/6.70 [2019-03-29 01:42:18,686 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.43/6.70 [2019-03-29 01:42:18,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.43/6.70 [2019-03-29 01:42:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.43/6.70 [2019-03-29 01:42:18,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.43/6.70 [2019-03-29 01:42:18,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.43/6.70 [2019-03-29 01:42:18,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.43/6.70 [2019-03-29 01:42:18,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.43/6.70 [2019-03-29 01:42:18,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.43/6.70 [2019-03-29 01:42:18,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.43/6.70 [2019-03-29 01:42:18,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.43/6.70 [2019-03-29 01:42:18,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.43/6.70 [2019-03-29 01:42:18,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.43/6.70 [2019-03-29 01:42:18,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.43/6.70 [2019-03-29 01:42:18,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.43/6.70 [2019-03-29 01:42:18,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.43/6.70 [2019-03-29 01:42:18,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.43/6.70 [2019-03-29 01:42:18,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.43/6.70 [2019-03-29 01:42:18,706 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.43/6.70 [2019-03-29 01:42:18,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.43/6.70 [2019-03-29 01:42:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.43/6.70 [2019-03-29 01:42:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.43/6.70 [2019-03-29 01:42:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.43/6.70 [2019-03-29 01:42:18,735 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.43/6.70 [2019-03-29 01:42:18,736 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.43/6.70 [2019-03-29 01:42:18,736 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.43/6.70 [2019-03-29 01:42:18,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.43/6.70 [2019-03-29 01:42:18,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.43/6.70 [2019-03-29 01:42:18,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.43/6.70 [2019-03-29 01:42:18,737 INFO L119 BuchiIsEmpty]: Starting construction of run 14.43/6.70 [2019-03-29 01:42:18,737 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.43/6.70 [2019-03-29 01:42:18,737 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.43/6.70 [2019-03-29 01:42:18,738 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 42#L17-2 [33] L17-2-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 44#L19-2 14.43/6.70 [2019-03-29 01:42:18,738 INFO L796 eck$LassoCheckResult]: Loop: 44#L19-2 [38] L19-2-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 44#L19-2 14.43/6.70 [2019-03-29 01:42:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:18,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2048, now seen corresponding path program 1 times 14.43/6.70 [2019-03-29 01:42:18,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.43/6.70 [2019-03-29 01:42:18,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.43/6.70 [2019-03-29 01:42:18,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:18,747 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 14.43/6.70 [2019-03-29 01:42:18,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.43/6.70 [2019-03-29 01:42:18,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.43/6.70 [2019-03-29 01:42:18,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:18,754 INFO L82 PathProgramCache]: Analyzing trace with hash 63526, now seen corresponding path program 1 times 14.43/6.70 [2019-03-29 01:42:18,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.43/6.70 [2019-03-29 01:42:18,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.43/6.70 [2019-03-29 01:42:18,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.43/6.70 [2019-03-29 01:42:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.43/6.70 [2019-03-29 01:42:18,773 INFO L216 LassoAnalysis]: Preferences: 14.43/6.70 [2019-03-29 01:42:18,773 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.43/6.70 [2019-03-29 01:42:18,773 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.43/6.70 [2019-03-29 01:42:18,774 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.43/6.70 [2019-03-29 01:42:18,774 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.43/6.70 [2019-03-29 01:42:18,774 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,774 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.43/6.70 [2019-03-29 01:42:18,774 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.43/6.70 [2019-03-29 01:42:18,774 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.43/6.70 [2019-03-29 01:42:18,774 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.43/6.70 [2019-03-29 01:42:18,775 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.43/6.70 [2019-03-29 01:42:18,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:18,819 INFO L300 LassoAnalysis]: Preprocessing complete. 14.43/6.70 [2019-03-29 01:42:18,820 INFO L412 LassoAnalysis]: Checking for nontermination... 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,823 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,823 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 [2019-03-29 01:42:18,850 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.43/6.70 [2019-03-29 01:42:18,850 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,855 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,855 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 [2019-03-29 01:42:18,882 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.43/6.70 [2019-03-29 01:42:18,882 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,889 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,889 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.43/6.70 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.43/6.70 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:18,920 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.43/6.70 [2019-03-29 01:42:18,921 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.43/6.70 [2019-03-29 01:42:19,132 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.43/6.70 [2019-03-29 01:42:19,134 INFO L216 LassoAnalysis]: Preferences: 14.43/6.70 [2019-03-29 01:42:19,135 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.43/6.70 [2019-03-29 01:42:19,135 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.43/6.70 [2019-03-29 01:42:19,135 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.43/6.70 [2019-03-29 01:42:19,135 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.43/6.70 [2019-03-29 01:42:19,135 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.43/6.70 [2019-03-29 01:42:19,135 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.43/6.70 [2019-03-29 01:42:19,136 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.43/6.70 [2019-03-29 01:42:19,136 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.43/6.70 [2019-03-29 01:42:19,136 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.43/6.70 [2019-03-29 01:42:19,136 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.43/6.70 [2019-03-29 01:42:19,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:19,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:19,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.43/6.70 [2019-03-29 01:42:19,195 INFO L300 LassoAnalysis]: Preprocessing complete. 14.43/6.70 [2019-03-29 01:42:19,196 INFO L497 LassoAnalysis]: Using template 'affine'. 14.43/6.70 [2019-03-29 01:42:19,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.43/6.70 Termination analysis: LINEAR_WITH_GUESSES 14.43/6.70 Number of strict supporting invariants: 0 14.43/6.70 Number of non-strict supporting invariants: 1 14.43/6.70 Consider only non-deceasing supporting invariants: true 14.43/6.70 Simplify termination arguments: true 14.43/6.70 Simplify supporting invariants: trueOverapproximate stem: false 14.43/6.70 [2019-03-29 01:42:19,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.43/6.70 [2019-03-29 01:42:19,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.43/6.70 [2019-03-29 01:42:19,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.43/6.70 [2019-03-29 01:42:19,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.43/6.70 [2019-03-29 01:42:19,200 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.43/6.70 [2019-03-29 01:42:19,200 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.43/6.70 [2019-03-29 01:42:19,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.43/6.70 [2019-03-29 01:42:19,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.43/6.70 Termination analysis: LINEAR_WITH_GUESSES 14.43/6.70 Number of strict supporting invariants: 0 14.43/6.70 Number of non-strict supporting invariants: 1 14.43/6.70 Consider only non-deceasing supporting invariants: true 14.43/6.70 Simplify termination arguments: true 14.43/6.70 Simplify supporting invariants: trueOverapproximate stem: false 14.43/6.70 [2019-03-29 01:42:19,206 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.43/6.70 [2019-03-29 01:42:19,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.43/6.70 [2019-03-29 01:42:19,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.43/6.70 [2019-03-29 01:42:19,206 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.43/6.70 [2019-03-29 01:42:19,208 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.43/6.70 [2019-03-29 01:42:19,208 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.43/6.70 [2019-03-29 01:42:19,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.43/6.70 [2019-03-29 01:42:19,215 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.43/6.70 Termination analysis: LINEAR_WITH_GUESSES 14.43/6.70 Number of strict supporting invariants: 0 14.43/6.70 Number of non-strict supporting invariants: 1 14.43/6.70 Consider only non-deceasing supporting invariants: true 14.43/6.70 Simplify termination arguments: true 14.43/6.70 Simplify supporting invariants: trueOverapproximate stem: false 14.43/6.70 [2019-03-29 01:42:19,216 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.43/6.70 [2019-03-29 01:42:19,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.43/6.70 [2019-03-29 01:42:19,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.43/6.70 [2019-03-29 01:42:19,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.43/6.70 [2019-03-29 01:42:19,217 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.43/6.70 [2019-03-29 01:42:19,218 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.43/6.70 [2019-03-29 01:42:19,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.43/6.70 [2019-03-29 01:42:19,222 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.43/6.70 [2019-03-29 01:42:19,227 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.43/6.70 [2019-03-29 01:42:19,227 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.43/6.70 [2019-03-29 01:42:19,227 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.43/6.70 [2019-03-29 01:42:19,227 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.43/6.70 [2019-03-29 01:42:19,228 INFO L518 LassoAnalysis]: Proved termination. 14.43/6.70 [2019-03-29 01:42:19,228 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.43/6.70 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 14.43/6.70 Supporting invariants [] 14.43/6.70 [2019-03-29 01:42:19,228 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.43/6.70 [2019-03-29 01:42:19,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.43/6.70 [2019-03-29 01:42:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.43/6.70 [2019-03-29 01:42:19,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.43/6.70 [2019-03-29 01:42:19,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.43/6.70 [2019-03-29 01:42:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.43/6.70 [2019-03-29 01:42:19,265 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 14.43/6.70 [2019-03-29 01:42:19,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.43/6.70 [2019-03-29 01:42:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.43/6.70 [2019-03-29 01:42:19,266 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.43/6.70 [2019-03-29 01:42:19,266 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 14.43/6.70 [2019-03-29 01:42:19,266 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.43/6.70 [2019-03-29 01:42:19,278 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 10 transitions. Complement of second has 4 states. 14.43/6.70 [2019-03-29 01:42:19,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.43/6.70 [2019-03-29 01:42:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.43/6.70 [2019-03-29 01:42:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 14.43/6.70 [2019-03-29 01:42:19,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 14.43/6.70 [2019-03-29 01:42:19,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.43/6.70 [2019-03-29 01:42:19,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 14.43/6.70 [2019-03-29 01:42:19,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.43/6.70 [2019-03-29 01:42:19,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 14.43/6.70 [2019-03-29 01:42:19,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.43/6.70 [2019-03-29 01:42:19,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 14.43/6.70 [2019-03-29 01:42:19,283 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.43/6.70 [2019-03-29 01:42:19,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. 14.43/6.70 [2019-03-29 01:42:19,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.43/6.70 [2019-03-29 01:42:19,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.43/6.70 [2019-03-29 01:42:19,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.43/6.70 [2019-03-29 01:42:19,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.43/6.70 [2019-03-29 01:42:19,284 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.43/6.70 [2019-03-29 01:42:19,284 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.43/6.70 [2019-03-29 01:42:19,284 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.43/6.70 [2019-03-29 01:42:19,284 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.43/6.70 [2019-03-29 01:42:19,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.43/6.70 [2019-03-29 01:42:19,285 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.43/6.70 [2019-03-29 01:42:19,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.43/6.70 [2019-03-29 01:42:19,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:42:19 BasicIcfg 14.43/6.70 [2019-03-29 01:42:19,291 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.43/6.70 [2019-03-29 01:42:19,292 INFO L168 Benchmark]: Toolchain (without parser) took 2187.74 ms. Allocated memory was 649.6 MB in the beginning and 659.6 MB in the end (delta: 10.0 MB). Free memory was 564.8 MB in the beginning and 463.7 MB in the end (delta: 101.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,294 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.36 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.62 ms. Allocated memory was 649.6 MB in the beginning and 659.6 MB in the end (delta: 10.0 MB). Free memory was 554.9 MB in the beginning and 626.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,296 INFO L168 Benchmark]: Boogie Preprocessor took 22.03 ms. Allocated memory is still 659.6 MB. Free memory was 626.4 MB in the beginning and 623.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,296 INFO L168 Benchmark]: RCFGBuilder took 187.43 ms. Allocated memory is still 659.6 MB. Free memory was 623.6 MB in the beginning and 611.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,297 INFO L168 Benchmark]: BlockEncodingV2 took 72.61 ms. Allocated memory is still 659.6 MB. Free memory was 611.0 MB in the beginning and 605.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,298 INFO L168 Benchmark]: TraceAbstraction took 156.71 ms. Allocated memory is still 659.6 MB. Free memory was 605.6 MB in the beginning and 595.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,298 INFO L168 Benchmark]: BuchiAutomizer took 1418.61 ms. Allocated memory is still 659.6 MB. Free memory was 594.9 MB in the beginning and 463.7 MB in the end (delta: 131.2 MB). Peak memory consumption was 131.2 MB. Max. memory is 50.3 GB. 14.43/6.70 [2019-03-29 01:42:19,303 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.43/6.70 --- Results --- 14.43/6.70 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.43/6.70 - StatisticsResult: Initial Icfg 14.43/6.70 8 locations, 11 edges 14.43/6.70 - StatisticsResult: Encoded RCFG 14.43/6.70 3 locations, 4 edges 14.43/6.70 * Results from de.uni_freiburg.informatik.ultimate.core: 14.43/6.70 - StatisticsResult: Toolchain Benchmarks 14.43/6.70 Benchmark results are: 14.43/6.70 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.43/6.70 * CACSL2BoogieTranslator took 230.36 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 14.43/6.70 * Boogie Procedure Inliner took 94.62 ms. Allocated memory was 649.6 MB in the beginning and 659.6 MB in the end (delta: 10.0 MB). Free memory was 554.9 MB in the beginning and 626.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 14.43/6.70 * Boogie Preprocessor took 22.03 ms. Allocated memory is still 659.6 MB. Free memory was 626.4 MB in the beginning and 623.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.43/6.70 * RCFGBuilder took 187.43 ms. Allocated memory is still 659.6 MB. Free memory was 623.6 MB in the beginning and 611.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 14.43/6.70 * BlockEncodingV2 took 72.61 ms. Allocated memory is still 659.6 MB. Free memory was 611.0 MB in the beginning and 605.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.43/6.70 * TraceAbstraction took 156.71 ms. Allocated memory is still 659.6 MB. Free memory was 605.6 MB in the beginning and 595.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 14.43/6.70 * BuchiAutomizer took 1418.61 ms. Allocated memory is still 659.6 MB. Free memory was 594.9 MB in the beginning and 463.7 MB in the end (delta: 131.2 MB). Peak memory consumption was 131.2 MB. Max. memory is 50.3 GB. 14.43/6.70 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.43/6.70 - AllSpecificationsHoldResult: All specifications hold 14.43/6.70 We were not able to verify any specifiation because the program does not contain any specification. 14.43/6.70 - InvariantResult [Line: 17]: Loop Invariant 14.43/6.70 Derived loop invariant: 1 14.43/6.70 - InvariantResult [Line: 19]: Loop Invariant 14.43/6.70 Derived loop invariant: 1 14.43/6.70 - StatisticsResult: Ultimate Automizer benchmark data 14.43/6.70 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.43/6.70 - StatisticsResult: Constructed decomposition of program 14.43/6.70 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 14.43/6.70 - StatisticsResult: Timing statistics 14.43/6.70 BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax197 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq161 hnf93 smp100 dnf100 smp100 tf110 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.43/6.70 - TerminationAnalysisResult: Termination proven 14.43/6.70 Buchi Automizer proved that your program is terminating 14.43/6.70 RESULT: Ultimate proved your program to be correct! 14.43/6.70 !SESSION 2019-03-29 01:42:13.818 ----------------------------------------------- 14.43/6.70 eclipse.buildId=unknown 14.43/6.70 java.version=1.8.0_181 14.43/6.70 java.vendor=Oracle Corporation 14.43/6.70 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.43/6.70 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.43/6.70 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.43/6.70 14.43/6.70 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:42:19.541 14.43/6.70 !MESSAGE The workspace will exit with unsaved changes in this session. 14.43/6.70 Received shutdown request... 14.43/6.70 Ultimate: 14.43/6.70 GTK+ Version Check 14.43/6.70 EOF