13.08/6.20 YES 13.08/6.20 13.08/6.20 Ultimate: Cannot open display: 13.08/6.20 This is Ultimate 0.1.24-8dc7c08-m 13.08/6.20 [2019-03-28 22:36:15,987 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.08/6.20 [2019-03-28 22:36:15,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.08/6.20 [2019-03-28 22:36:16,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.08/6.20 [2019-03-28 22:36:16,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.08/6.20 [2019-03-28 22:36:16,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.08/6.20 [2019-03-28 22:36:16,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.08/6.20 [2019-03-28 22:36:16,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.08/6.20 [2019-03-28 22:36:16,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.08/6.20 [2019-03-28 22:36:16,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.08/6.20 [2019-03-28 22:36:16,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.08/6.20 [2019-03-28 22:36:16,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.08/6.20 [2019-03-28 22:36:16,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.08/6.20 [2019-03-28 22:36:16,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.08/6.20 [2019-03-28 22:36:16,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.08/6.20 [2019-03-28 22:36:16,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.08/6.20 [2019-03-28 22:36:16,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.08/6.20 [2019-03-28 22:36:16,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.08/6.20 [2019-03-28 22:36:16,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.08/6.20 [2019-03-28 22:36:16,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.08/6.20 [2019-03-28 22:36:16,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,021 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.08/6.20 [2019-03-28 22:36:16,022 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.08/6.20 [2019-03-28 22:36:16,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.08/6.20 [2019-03-28 22:36:16,023 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.08/6.20 [2019-03-28 22:36:16,024 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.08/6.20 [2019-03-28 22:36:16,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.08/6.20 [2019-03-28 22:36:16,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.08/6.20 [2019-03-28 22:36:16,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.08/6.20 [2019-03-28 22:36:16,027 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,027 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.08/6.20 [2019-03-28 22:36:16,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.08/6.20 [2019-03-28 22:36:16,028 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.08/6.20 [2019-03-28 22:36:16,029 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.08/6.20 [2019-03-28 22:36:16,029 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.08/6.20 [2019-03-28 22:36:16,044 INFO L110 SettingsManager]: Loading preferences was successful 13.08/6.20 [2019-03-28 22:36:16,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.08/6.20 [2019-03-28 22:36:16,045 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.08/6.20 [2019-03-28 22:36:16,045 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.08/6.20 [2019-03-28 22:36:16,045 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.08/6.20 [2019-03-28 22:36:16,046 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.08/6.20 [2019-03-28 22:36:16,046 INFO L133 SettingsManager]: * Use SBE=true 13.08/6.20 [2019-03-28 22:36:16,046 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.08/6.20 [2019-03-28 22:36:16,046 INFO L133 SettingsManager]: * Use old map elimination=false 13.08/6.20 [2019-03-28 22:36:16,046 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.08/6.20 [2019-03-28 22:36:16,047 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.08/6.20 [2019-03-28 22:36:16,047 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.08/6.20 [2019-03-28 22:36:16,047 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.08/6.20 [2019-03-28 22:36:16,047 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.08/6.20 [2019-03-28 22:36:16,047 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:16,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.08/6.20 [2019-03-28 22:36:16,048 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.08/6.20 [2019-03-28 22:36:16,048 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.08/6.20 [2019-03-28 22:36:16,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.08/6.20 [2019-03-28 22:36:16,048 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.08/6.20 [2019-03-28 22:36:16,048 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.08/6.20 [2019-03-28 22:36:16,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.08/6.20 [2019-03-28 22:36:16,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.08/6.20 [2019-03-28 22:36:16,049 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.08/6.20 [2019-03-28 22:36:16,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.08/6.20 [2019-03-28 22:36:16,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.08/6.20 [2019-03-28 22:36:16,049 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.08/6.20 [2019-03-28 22:36:16,049 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.08/6.20 [2019-03-28 22:36:16,050 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.08/6.20 [2019-03-28 22:36:16,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.08/6.20 [2019-03-28 22:36:16,087 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.08/6.20 [2019-03-28 22:36:16,091 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.08/6.20 [2019-03-28 22:36:16,092 INFO L271 PluginConnector]: Initializing CDTParser... 13.08/6.20 [2019-03-28 22:36:16,093 INFO L276 PluginConnector]: CDTParser initialized 13.08/6.20 [2019-03-28 22:36:16,094 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.08/6.20 [2019-03-28 22:36:16,159 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/53ccf55011c14b33a7d9a9430ef85c52/FLAG0bb4400b1 13.08/6.20 [2019-03-28 22:36:16,489 INFO L307 CDTParser]: Found 1 translation units. 13.08/6.20 [2019-03-28 22:36:16,490 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.08/6.20 [2019-03-28 22:36:16,496 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/53ccf55011c14b33a7d9a9430ef85c52/FLAG0bb4400b1 13.08/6.20 [2019-03-28 22:36:16,898 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/53ccf55011c14b33a7d9a9430ef85c52 13.08/6.20 [2019-03-28 22:36:16,909 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.08/6.20 [2019-03-28 22:36:16,911 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.08/6.20 [2019-03-28 22:36:16,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.08/6.20 [2019-03-28 22:36:16,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.08/6.20 [2019-03-28 22:36:16,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.08/6.20 [2019-03-28 22:36:16,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:36:16" (1/1) ... 13.08/6.20 [2019-03-28 22:36:16,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b868382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:16, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:16,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:36:16" (1/1) ... 13.08/6.20 [2019-03-28 22:36:16,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.08/6.20 [2019-03-28 22:36:16,945 INFO L176 MainTranslator]: Built tables and reachable declarations 13.08/6.20 [2019-03-28 22:36:17,100 INFO L206 PostProcessor]: Analyzing one entry point: main 13.08/6.20 [2019-03-28 22:36:17,105 INFO L191 MainTranslator]: Completed pre-run 13.08/6.20 [2019-03-28 22:36:17,121 INFO L206 PostProcessor]: Analyzing one entry point: main 13.08/6.20 [2019-03-28 22:36:17,197 INFO L195 MainTranslator]: Completed translation 13.08/6.20 [2019-03-28 22:36:17,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17 WrapperNode 13.08/6.20 [2019-03-28 22:36:17,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.08/6.20 [2019-03-28 22:36:17,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.08/6.20 [2019-03-28 22:36:17,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.08/6.20 [2019-03-28 22:36:17,199 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.08/6.20 [2019-03-28 22:36:17,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.08/6.20 [2019-03-28 22:36:17,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.08/6.20 [2019-03-28 22:36:17,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.08/6.20 [2019-03-28 22:36:17,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.08/6.20 [2019-03-28 22:36:17,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.08/6.20 [2019-03-28 22:36:17,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.08/6.20 [2019-03-28 22:36:17,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.08/6.20 [2019-03-28 22:36:17,258 INFO L276 PluginConnector]: RCFGBuilder initialized 13.08/6.20 [2019-03-28 22:36:17,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (1/1) ... 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.08/6.20 [2019-03-28 22:36:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.08/6.20 [2019-03-28 22:36:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.08/6.20 [2019-03-28 22:36:17,463 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.08/6.20 [2019-03-28 22:36:17,463 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.08/6.20 [2019-03-28 22:36:17,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:17 BoogieIcfgContainer 13.08/6.20 [2019-03-28 22:36:17,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.08/6.20 [2019-03-28 22:36:17,465 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.08/6.20 [2019-03-28 22:36:17,465 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.08/6.20 [2019-03-28 22:36:17,468 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.08/6.20 [2019-03-28 22:36:17,469 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:17" (1/1) ... 13.08/6.20 [2019-03-28 22:36:17,485 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.08/6.20 [2019-03-28 22:36:17,487 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.08/6.20 [2019-03-28 22:36:17,488 INFO L263 BlockEncoder]: Using Maximize final states 13.08/6.20 [2019-03-28 22:36:17,489 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.08/6.20 [2019-03-28 22:36:17,489 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.08/6.20 [2019-03-28 22:36:17,491 INFO L296 BlockEncoder]: Using Remove sink states 13.08/6.20 [2019-03-28 22:36:17,492 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.08/6.20 [2019-03-28 22:36:17,492 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.08/6.20 [2019-03-28 22:36:17,507 INFO L185 BlockEncoder]: Using Use SBE 13.08/6.20 [2019-03-28 22:36:17,515 INFO L200 BlockEncoder]: SBE split 0 edges 13.08/6.20 [2019-03-28 22:36:17,520 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.08/6.20 [2019-03-28 22:36:17,522 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.08/6.20 [2019-03-28 22:36:17,540 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.08/6.20 [2019-03-28 22:36:17,542 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.08/6.20 [2019-03-28 22:36:17,544 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.08/6.20 [2019-03-28 22:36:17,544 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.08/6.20 [2019-03-28 22:36:17,544 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.08/6.20 [2019-03-28 22:36:17,544 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.08/6.20 [2019-03-28 22:36:17,545 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.08/6.20 [2019-03-28 22:36:17,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:36:17 BasicIcfg 13.08/6.20 [2019-03-28 22:36:17,545 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.08/6.20 [2019-03-28 22:36:17,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.08/6.20 [2019-03-28 22:36:17,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.08/6.20 [2019-03-28 22:36:17,549 INFO L276 PluginConnector]: TraceAbstraction initialized 13.08/6.20 [2019-03-28 22:36:17,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:36:16" (1/4) ... 13.08/6.20 [2019-03-28 22:36:17,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a353cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (2/4) ... 13.08/6.20 [2019-03-28 22:36:17,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a353cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:17" (3/4) ... 13.08/6.20 [2019-03-28 22:36:17,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a353cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:36:17" (4/4) ... 13.08/6.20 [2019-03-28 22:36:17,553 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.08/6.20 [2019-03-28 22:36:17,563 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.08/6.20 [2019-03-28 22:36:17,570 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.08/6.20 [2019-03-28 22:36:17,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.08/6.20 [2019-03-28 22:36:17,616 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.08/6.20 [2019-03-28 22:36:17,617 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.08/6.20 [2019-03-28 22:36:17,617 INFO L383 AbstractCegarLoop]: Hoare is true 13.08/6.20 [2019-03-28 22:36:17,618 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.08/6.20 [2019-03-28 22:36:17,618 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.08/6.20 [2019-03-28 22:36:17,618 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.08/6.20 [2019-03-28 22:36:17,618 INFO L387 AbstractCegarLoop]: Difference is false 13.08/6.20 [2019-03-28 22:36:17,618 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.08/6.20 [2019-03-28 22:36:17,619 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.08/6.20 [2019-03-28 22:36:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.08/6.20 [2019-03-28 22:36:17,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.08/6.20 [2019-03-28 22:36:17,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.08/6.20 [2019-03-28 22:36:17,690 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 18 21) the Hoare annotation is: true 13.08/6.20 [2019-03-28 22:36:17,691 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.08/6.20 [2019-03-28 22:36:17,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:36:17 BasicIcfg 13.08/6.20 [2019-03-28 22:36:17,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.08/6.20 [2019-03-28 22:36:17,699 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.08/6.20 [2019-03-28 22:36:17,700 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.08/6.20 [2019-03-28 22:36:17,703 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.08/6.20 [2019-03-28 22:36:17,704 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.08/6.20 [2019-03-28 22:36:17,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:36:16" (1/5) ... 13.08/6.20 [2019-03-28 22:36:17,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d7ca434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,705 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.08/6.20 [2019-03-28 22:36:17,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:17" (2/5) ... 13.08/6.20 [2019-03-28 22:36:17,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d7ca434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,706 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.08/6.20 [2019-03-28 22:36:17,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:17" (3/5) ... 13.08/6.20 [2019-03-28 22:36:17,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d7ca434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,706 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.08/6.20 [2019-03-28 22:36:17,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:36:17" (4/5) ... 13.08/6.20 [2019-03-28 22:36:17,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d7ca434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:36:17, skipping insertion in model container 13.08/6.20 [2019-03-28 22:36:17,707 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.08/6.20 [2019-03-28 22:36:17,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:36:17" (5/5) ... 13.08/6.20 [2019-03-28 22:36:17,709 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.08/6.20 [2019-03-28 22:36:17,735 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.08/6.20 [2019-03-28 22:36:17,736 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.08/6.20 [2019-03-28 22:36:17,736 INFO L375 BuchiCegarLoop]: Hoare is true 13.08/6.20 [2019-03-28 22:36:17,736 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.08/6.20 [2019-03-28 22:36:17,736 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.08/6.20 [2019-03-28 22:36:17,736 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.08/6.20 [2019-03-28 22:36:17,737 INFO L379 BuchiCegarLoop]: Difference is false 13.08/6.20 [2019-03-28 22:36:17,737 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.08/6.20 [2019-03-28 22:36:17,737 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.08/6.20 [2019-03-28 22:36:17,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.08/6.20 [2019-03-28 22:36:17,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.08/6.20 [2019-03-28 22:36:17,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.08/6.20 [2019-03-28 22:36:17,759 INFO L119 BuchiIsEmpty]: Starting construction of run 13.08/6.20 [2019-03-28 22:36:17,764 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.08/6.20 [2019-03-28 22:36:17,764 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.08/6.20 [2019-03-28 22:36:17,764 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.08/6.20 [2019-03-28 22:36:17,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.08/6.20 [2019-03-28 22:36:17,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.08/6.20 [2019-03-28 22:36:17,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.08/6.20 [2019-03-28 22:36:17,765 INFO L119 BuchiIsEmpty]: Starting construction of run 13.08/6.20 [2019-03-28 22:36:17,766 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.08/6.20 [2019-03-28 22:36:17,766 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.08/6.20 [2019-03-28 22:36:17,771 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 4#L18-2true 13.08/6.20 [2019-03-28 22:36:17,771 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [22] L18-2-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 1)) (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) (< v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~n~0_7)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 4#L18-2true 13.08/6.20 [2019-03-28 22:36:17,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.08/6.20 [2019-03-28 22:36:17,778 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times 13.08/6.20 [2019-03-28 22:36:17,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.08/6.20 [2019-03-28 22:36:17,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.08/6.20 [2019-03-28 22:36:17,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.08/6.20 [2019-03-28 22:36:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.08/6.20 [2019-03-28 22:36:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.08/6.20 [2019-03-28 22:36:17,855 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 13.08/6.20 [2019-03-28 22:36:17,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.08/6.20 [2019-03-28 22:36:17,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.08/6.20 [2019-03-28 22:36:17,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.08/6.20 [2019-03-28 22:36:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.08/6.20 [2019-03-28 22:36:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.08/6.20 [2019-03-28 22:36:17,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1572, now seen corresponding path program 1 times 13.08/6.20 [2019-03-28 22:36:17,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.08/6.20 [2019-03-28 22:36:17,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.08/6.20 [2019-03-28 22:36:17,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.08/6.20 [2019-03-28 22:36:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.08/6.20 [2019-03-28 22:36:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.08/6.20 [2019-03-28 22:36:17,924 INFO L216 LassoAnalysis]: Preferences: 13.08/6.20 [2019-03-28 22:36:17,925 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.08/6.20 [2019-03-28 22:36:17,926 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.08/6.20 [2019-03-28 22:36:17,926 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.08/6.20 [2019-03-28 22:36:17,926 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.08/6.20 [2019-03-28 22:36:17,926 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:17,926 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.08/6.20 [2019-03-28 22:36:17,926 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.08/6.20 [2019-03-28 22:36:17,927 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.08/6.20 [2019-03-28 22:36:17,927 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.08/6.20 [2019-03-28 22:36:17,927 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.08/6.20 [2019-03-28 22:36:17,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:17,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:17,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:17,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:18,052 INFO L300 LassoAnalysis]: Preprocessing complete. 13.08/6.20 [2019-03-28 22:36:18,053 INFO L412 LassoAnalysis]: Checking for nontermination... 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,061 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.08/6.20 [2019-03-28 22:36:18,061 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.08/6.20 [2019-03-28 22:36:18,094 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.08/6.20 [2019-03-28 22:36:18,095 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: [] 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,101 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.08/6.20 [2019-03-28 22:36:18,102 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.08/6.20 [2019-03-28 22:36:18,129 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.08/6.20 [2019-03-28 22:36:18,129 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: [] 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,135 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.08/6.20 [2019-03-28 22:36:18,135 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,167 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.08/6.20 [2019-03-28 22:36:18,168 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.08/6.20 [2019-03-28 22:36:18,205 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.08/6.20 [2019-03-28 22:36:18,205 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~i~0=-5}, {ULTIMATE.start_main_~i~0=7}] Lambdas: [1, 1, 1] Nus: [0, 0] 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,234 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.08/6.20 [2019-03-28 22:36:18,235 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.08/6.20 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.08/6.20 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.08/6.20 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,267 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.08/6.20 [2019-03-28 22:36:18,267 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.08/6.20 [2019-03-28 22:36:18,507 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.08/6.20 [2019-03-28 22:36:18,510 INFO L216 LassoAnalysis]: Preferences: 13.08/6.20 [2019-03-28 22:36:18,510 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.08/6.20 [2019-03-28 22:36:18,510 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.08/6.20 [2019-03-28 22:36:18,510 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.08/6.20 [2019-03-28 22:36:18,510 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.08/6.20 [2019-03-28 22:36:18,510 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.08/6.20 [2019-03-28 22:36:18,511 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.08/6.20 [2019-03-28 22:36:18,511 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.08/6.20 [2019-03-28 22:36:18,511 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.08/6.20 [2019-03-28 22:36:18,511 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.08/6.20 [2019-03-28 22:36:18,511 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.08/6.20 [2019-03-28 22:36:18,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:18,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:18,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:18,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.08/6.20 [2019-03-28 22:36:18,605 INFO L300 LassoAnalysis]: Preprocessing complete. 13.08/6.20 [2019-03-28 22:36:18,611 INFO L497 LassoAnalysis]: Using template 'affine'. 13.08/6.20 [2019-03-28 22:36:18,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.08/6.20 Termination analysis: LINEAR_WITH_GUESSES 13.08/6.20 Number of strict supporting invariants: 0 13.08/6.20 Number of non-strict supporting invariants: 1 13.08/6.20 Consider only non-deceasing supporting invariants: true 13.08/6.20 Simplify termination arguments: true 13.08/6.20 Simplify supporting invariants: trueOverapproximate stem: false 13.08/6.20 [2019-03-28 22:36:18,614 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.08/6.20 [2019-03-28 22:36:18,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.08/6.20 [2019-03-28 22:36:18,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.08/6.20 [2019-03-28 22:36:18,615 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.08/6.20 [2019-03-28 22:36:18,620 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.08/6.20 [2019-03-28 22:36:18,620 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.08/6.20 [2019-03-28 22:36:18,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.08/6.20 [2019-03-28 22:36:18,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.08/6.20 Termination analysis: LINEAR_WITH_GUESSES 13.08/6.20 Number of strict supporting invariants: 0 13.08/6.20 Number of non-strict supporting invariants: 1 13.08/6.20 Consider only non-deceasing supporting invariants: true 13.08/6.20 Simplify termination arguments: true 13.08/6.20 Simplify supporting invariants: trueOverapproximate stem: false 13.08/6.20 [2019-03-28 22:36:18,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.08/6.20 [2019-03-28 22:36:18,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.08/6.20 [2019-03-28 22:36:18,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.08/6.20 [2019-03-28 22:36:18,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.08/6.20 [2019-03-28 22:36:18,634 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.08/6.20 [2019-03-28 22:36:18,634 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.08/6.20 [2019-03-28 22:36:18,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.08/6.20 [2019-03-28 22:36:18,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.08/6.20 Termination analysis: LINEAR_WITH_GUESSES 13.08/6.20 Number of strict supporting invariants: 0 13.08/6.20 Number of non-strict supporting invariants: 1 13.08/6.20 Consider only non-deceasing supporting invariants: true 13.08/6.20 Simplify termination arguments: true 13.08/6.20 Simplify supporting invariants: trueOverapproximate stem: false 13.08/6.20 [2019-03-28 22:36:18,644 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.08/6.20 [2019-03-28 22:36:18,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.08/6.20 [2019-03-28 22:36:18,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.08/6.20 [2019-03-28 22:36:18,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.08/6.20 [2019-03-28 22:36:18,645 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.08/6.20 [2019-03-28 22:36:18,646 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.08/6.20 [2019-03-28 22:36:18,646 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.08/6.20 [2019-03-28 22:36:18,651 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.08/6.20 [2019-03-28 22:36:18,651 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.08/6.20 Termination analysis: LINEAR_WITH_GUESSES 13.08/6.20 Number of strict supporting invariants: 0 13.08/6.20 Number of non-strict supporting invariants: 1 13.08/6.20 Consider only non-deceasing supporting invariants: true 13.08/6.20 Simplify termination arguments: true 13.08/6.20 Simplify supporting invariants: trueOverapproximate stem: false 13.08/6.20 [2019-03-28 22:36:18,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.08/6.20 [2019-03-28 22:36:18,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.08/6.20 [2019-03-28 22:36:18,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.08/6.20 [2019-03-28 22:36:18,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.08/6.20 [2019-03-28 22:36:18,653 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.08/6.20 [2019-03-28 22:36:18,654 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.08/6.20 [2019-03-28 22:36:18,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.08/6.20 [2019-03-28 22:36:18,661 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.08/6.20 [2019-03-28 22:36:18,669 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.08/6.20 [2019-03-28 22:36:18,669 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.08/6.20 [2019-03-28 22:36:18,671 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.08/6.20 [2019-03-28 22:36:18,672 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.08/6.20 [2019-03-28 22:36:18,672 INFO L518 LassoAnalysis]: Proved termination. 13.08/6.20 [2019-03-28 22:36:18,673 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.08/6.20 Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~x~0 13.08/6.20 Supporting invariants [] 13.08/6.20 [2019-03-28 22:36:18,674 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.08/6.20 [2019-03-28 22:36:18,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.08/6.20 [2019-03-28 22:36:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.08/6.20 [2019-03-28 22:36:18,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 13.08/6.20 [2019-03-28 22:36:18,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.08/6.20 [2019-03-28 22:36:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.08/6.20 [2019-03-28 22:36:18,743 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.08/6.20 [2019-03-28 22:36:18,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.08/6.20 [2019-03-28 22:36:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.08/6.20 [2019-03-28 22:36:18,756 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.08/6.20 [2019-03-28 22:36:18,761 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 13.08/6.20 [2019-03-28 22:36:18,763 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.08/6.20 [2019-03-28 22:36:18,782 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. 13.08/6.20 [2019-03-28 22:36:18,783 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 13.08/6.20 [2019-03-28 22:36:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.08/6.20 [2019-03-28 22:36:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.08/6.20 [2019-03-28 22:36:18,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.08/6.20 [2019-03-28 22:36:18,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.08/6.20 [2019-03-28 22:36:18,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.08/6.20 [2019-03-28 22:36:18,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.08/6.20 [2019-03-28 22:36:18,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.08/6.20 [2019-03-28 22:36:18,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.08/6.20 [2019-03-28 22:36:18,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.08/6.20 [2019-03-28 22:36:18,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.08/6.20 [2019-03-28 22:36:18,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.08/6.20 [2019-03-28 22:36:18,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.08/6.20 [2019-03-28 22:36:18,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.08/6.20 [2019-03-28 22:36:18,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.08/6.20 [2019-03-28 22:36:18,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.08/6.20 [2019-03-28 22:36:18,799 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.08/6.20 [2019-03-28 22:36:18,799 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.08/6.20 [2019-03-28 22:36:18,799 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.08/6.20 [2019-03-28 22:36:18,799 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.08/6.20 [2019-03-28 22:36:18,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.08/6.20 [2019-03-28 22:36:18,800 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.08/6.20 [2019-03-28 22:36:18,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.08/6.20 [2019-03-28 22:36:18,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:36:18 BasicIcfg 13.08/6.20 [2019-03-28 22:36:18,806 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.08/6.20 [2019-03-28 22:36:18,807 INFO L168 Benchmark]: Toolchain (without parser) took 1896.65 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 564.6 MB in the beginning and 524.1 MB in the end (delta: 40.5 MB). Peak memory consumption was 63.0 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,808 INFO L168 Benchmark]: CDTParser took 0.17 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. 13.08/6.20 [2019-03-28 22:36:18,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.00 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 563.5 MB in the beginning and 638.8 MB in the end (delta: -75.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.59 ms. Allocated memory is still 672.1 MB. Free memory was 638.8 MB in the beginning and 637.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,810 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 ms. Allocated memory is still 672.1 MB. Free memory was 637.8 MB in the beginning and 634.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,811 INFO L168 Benchmark]: RCFGBuilder took 206.54 ms. Allocated memory is still 672.1 MB. Free memory was 634.9 MB in the beginning and 622.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,811 INFO L168 Benchmark]: BlockEncodingV2 took 80.33 ms. Allocated memory is still 672.1 MB. Free memory was 621.2 MB in the beginning and 616.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,812 INFO L168 Benchmark]: TraceAbstraction took 152.79 ms. Allocated memory is still 672.1 MB. Free memory was 616.8 MB in the beginning and 608.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,813 INFO L168 Benchmark]: BuchiAutomizer took 1106.69 ms. Allocated memory is still 672.1 MB. Free memory was 608.2 MB in the beginning and 524.1 MB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 50.3 GB. 13.08/6.20 [2019-03-28 22:36:18,817 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.08/6.20 --- Results --- 13.08/6.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.08/6.20 - StatisticsResult: Initial Icfg 13.08/6.20 6 locations, 7 edges 13.08/6.20 - StatisticsResult: Encoded RCFG 13.08/6.20 2 locations, 2 edges 13.08/6.20 * Results from de.uni_freiburg.informatik.ultimate.core: 13.08/6.20 - StatisticsResult: Toolchain Benchmarks 13.08/6.20 Benchmark results are: 13.08/6.20 * CDTParser took 0.17 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. 13.08/6.20 * CACSL2BoogieTranslator took 286.00 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 563.5 MB in the beginning and 638.8 MB in the end (delta: -75.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 13.08/6.20 * Boogie Procedure Inliner took 38.59 ms. Allocated memory is still 672.1 MB. Free memory was 638.8 MB in the beginning and 637.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.08/6.20 * Boogie Preprocessor took 20.35 ms. Allocated memory is still 672.1 MB. Free memory was 637.8 MB in the beginning and 634.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.08/6.20 * RCFGBuilder took 206.54 ms. Allocated memory is still 672.1 MB. Free memory was 634.9 MB in the beginning and 622.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 50.3 GB. 13.08/6.20 * BlockEncodingV2 took 80.33 ms. Allocated memory is still 672.1 MB. Free memory was 621.2 MB in the beginning and 616.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 13.08/6.20 * TraceAbstraction took 152.79 ms. Allocated memory is still 672.1 MB. Free memory was 616.8 MB in the beginning and 608.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.08/6.20 * BuchiAutomizer took 1106.69 ms. Allocated memory is still 672.1 MB. Free memory was 608.2 MB in the beginning and 524.1 MB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 50.3 GB. 13.08/6.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.08/6.20 - AllSpecificationsHoldResult: All specifications hold 13.08/6.20 We were not able to verify any specifiation because the program does not contain any specification. 13.08/6.20 - InvariantResult [Line: 18]: Loop Invariant 13.08/6.20 Derived loop invariant: 1 13.08/6.20 - StatisticsResult: Ultimate Automizer benchmark data 13.08/6.20 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 13.08/6.20 - StatisticsResult: Constructed decomposition of program 13.08/6.20 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function n + -1 * x and consists of 2 locations. 13.08/6.20 - StatisticsResult: Timing statistics 13.08/6.20 BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 13.08/6.20 - TerminationAnalysisResult: Termination proven 13.08/6.20 Buchi Automizer proved that your program is terminating 13.08/6.20 RESULT: Ultimate proved your program to be correct! 13.08/6.20 !SESSION 2019-03-28 22:36:13.696 ----------------------------------------------- 13.08/6.20 eclipse.buildId=unknown 13.08/6.20 java.version=1.8.0_181 13.08/6.20 java.vendor=Oracle Corporation 13.08/6.20 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.08/6.20 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.08/6.20 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.08/6.20 13.08/6.20 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:36:19.049 13.08/6.20 !MESSAGE The workspace will exit with unsaved changes in this session. 13.08/6.20 Received shutdown request... 13.08/6.20 Ultimate: 13.08/6.20 GTK+ Version Check 13.08/6.20 EOF