15.28/8.84 YES 15.28/8.84 15.28/8.84 Ultimate: Cannot open display: 15.28/8.84 This is Ultimate 0.1.24-8dc7c08-m 15.28/8.84 [2019-03-29 01:53:29,885 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.28/8.84 [2019-03-29 01:53:29,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.28/8.84 [2019-03-29 01:53:29,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.28/8.84 [2019-03-29 01:53:29,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.28/8.84 [2019-03-29 01:53:29,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.28/8.84 [2019-03-29 01:53:29,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.28/8.84 [2019-03-29 01:53:29,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.28/8.84 [2019-03-29 01:53:29,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.28/8.84 [2019-03-29 01:53:29,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.28/8.84 [2019-03-29 01:53:29,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.28/8.84 [2019-03-29 01:53:29,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.28/8.84 [2019-03-29 01:53:29,910 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.28/8.84 [2019-03-29 01:53:29,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.28/8.84 [2019-03-29 01:53:29,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.28/8.84 [2019-03-29 01:53:29,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.28/8.84 [2019-03-29 01:53:29,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.28/8.84 [2019-03-29 01:53:29,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.28/8.84 [2019-03-29 01:53:29,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.28/8.84 [2019-03-29 01:53:29,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.28/8.84 [2019-03-29 01:53:29,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,921 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.28/8.84 [2019-03-29 01:53:29,922 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.28/8.84 [2019-03-29 01:53:29,923 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.28/8.84 [2019-03-29 01:53:29,923 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.28/8.84 [2019-03-29 01:53:29,924 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.28/8.84 [2019-03-29 01:53:29,925 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.28/8.84 [2019-03-29 01:53:29,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.28/8.84 [2019-03-29 01:53:29,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.28/8.84 [2019-03-29 01:53:29,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.28/8.84 [2019-03-29 01:53:29,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.28/8.84 [2019-03-29 01:53:29,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.28/8.84 [2019-03-29 01:53:29,930 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.28/8.84 [2019-03-29 01:53:29,930 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.28/8.84 [2019-03-29 01:53:29,945 INFO L110 SettingsManager]: Loading preferences was successful 15.28/8.84 [2019-03-29 01:53:29,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.28/8.84 [2019-03-29 01:53:29,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.28/8.84 [2019-03-29 01:53:29,946 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.28/8.84 [2019-03-29 01:53:29,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.28/8.84 [2019-03-29 01:53:29,947 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.28/8.84 [2019-03-29 01:53:29,947 INFO L133 SettingsManager]: * Use SBE=true 15.28/8.84 [2019-03-29 01:53:29,947 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.28/8.84 [2019-03-29 01:53:29,947 INFO L133 SettingsManager]: * Use old map elimination=false 15.28/8.84 [2019-03-29 01:53:29,948 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.28/8.84 [2019-03-29 01:53:29,948 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.28/8.84 [2019-03-29 01:53:29,948 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.28/8.84 [2019-03-29 01:53:29,948 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.28/8.84 [2019-03-29 01:53:29,948 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.28/8.84 [2019-03-29 01:53:29,949 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:29,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.28/8.84 [2019-03-29 01:53:29,949 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.28/8.84 [2019-03-29 01:53:29,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.28/8.84 [2019-03-29 01:53:29,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.28/8.84 [2019-03-29 01:53:29,950 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.28/8.84 [2019-03-29 01:53:29,950 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.28/8.84 [2019-03-29 01:53:29,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.28/8.84 [2019-03-29 01:53:29,950 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.28/8.84 [2019-03-29 01:53:29,950 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.28/8.84 [2019-03-29 01:53:29,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.28/8.84 [2019-03-29 01:53:29,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.28/8.84 [2019-03-29 01:53:29,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.28/8.84 [2019-03-29 01:53:29,951 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.28/8.84 [2019-03-29 01:53:29,951 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.28/8.84 [2019-03-29 01:53:29,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.28/8.84 [2019-03-29 01:53:29,991 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.28/8.84 [2019-03-29 01:53:29,995 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.28/8.84 [2019-03-29 01:53:29,996 INFO L271 PluginConnector]: Initializing CDTParser... 15.28/8.84 [2019-03-29 01:53:29,996 INFO L276 PluginConnector]: CDTParser initialized 15.28/8.84 [2019-03-29 01:53:29,997 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.28/8.84 [2019-03-29 01:53:30,058 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/49c0273d346044fd8a4c33302297ce60/FLAG617081da8 15.28/8.84 [2019-03-29 01:53:30,409 INFO L307 CDTParser]: Found 1 translation units. 15.28/8.84 [2019-03-29 01:53:30,410 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.28/8.84 [2019-03-29 01:53:30,416 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/49c0273d346044fd8a4c33302297ce60/FLAG617081da8 15.28/8.84 [2019-03-29 01:53:30,817 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/49c0273d346044fd8a4c33302297ce60 15.28/8.84 [2019-03-29 01:53:30,828 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.28/8.84 [2019-03-29 01:53:30,830 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.28/8.84 [2019-03-29 01:53:30,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.28/8.84 [2019-03-29 01:53:30,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.28/8.84 [2019-03-29 01:53:30,835 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.28/8.84 [2019-03-29 01:53:30,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:53:30" (1/1) ... 15.28/8.84 [2019-03-29 01:53:30,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a81d799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:30, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:30,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:53:30" (1/1) ... 15.28/8.84 [2019-03-29 01:53:30,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.28/8.84 [2019-03-29 01:53:30,863 INFO L176 MainTranslator]: Built tables and reachable declarations 15.28/8.84 [2019-03-29 01:53:31,017 INFO L206 PostProcessor]: Analyzing one entry point: main 15.28/8.84 [2019-03-29 01:53:31,021 INFO L191 MainTranslator]: Completed pre-run 15.28/8.84 [2019-03-29 01:53:31,036 INFO L206 PostProcessor]: Analyzing one entry point: main 15.28/8.84 [2019-03-29 01:53:31,105 INFO L195 MainTranslator]: Completed translation 15.28/8.84 [2019-03-29 01:53:31,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31 WrapperNode 15.28/8.84 [2019-03-29 01:53:31,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.28/8.84 [2019-03-29 01:53:31,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.28/8.84 [2019-03-29 01:53:31,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.28/8.84 [2019-03-29 01:53:31,106 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.28/8.84 [2019-03-29 01:53:31,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.28/8.84 [2019-03-29 01:53:31,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.28/8.84 [2019-03-29 01:53:31,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.28/8.84 [2019-03-29 01:53:31,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.28/8.84 [2019-03-29 01:53:31,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.28/8.84 [2019-03-29 01:53:31,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.28/8.84 [2019-03-29 01:53:31,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.28/8.84 [2019-03-29 01:53:31,161 INFO L276 PluginConnector]: RCFGBuilder initialized 15.28/8.84 [2019-03-29 01:53:31,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (1/1) ... 15.28/8.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.28/8.84 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.28/8.84 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.28/8.84 [2019-03-29 01:53:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.28/8.84 [2019-03-29 01:53:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.28/8.84 [2019-03-29 01:53:31,342 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.28/8.84 [2019-03-29 01:53:31,342 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.28/8.84 [2019-03-29 01:53:31,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:31 BoogieIcfgContainer 15.28/8.84 [2019-03-29 01:53:31,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.28/8.84 [2019-03-29 01:53:31,344 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.28/8.84 [2019-03-29 01:53:31,344 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.28/8.84 [2019-03-29 01:53:31,346 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.28/8.84 [2019-03-29 01:53:31,347 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:31" (1/1) ... 15.28/8.84 [2019-03-29 01:53:31,361 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 15.28/8.84 [2019-03-29 01:53:31,363 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.28/8.84 [2019-03-29 01:53:31,364 INFO L263 BlockEncoder]: Using Maximize final states 15.28/8.84 [2019-03-29 01:53:31,364 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.28/8.84 [2019-03-29 01:53:31,364 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.28/8.84 [2019-03-29 01:53:31,366 INFO L296 BlockEncoder]: Using Remove sink states 15.28/8.84 [2019-03-29 01:53:31,367 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.28/8.84 [2019-03-29 01:53:31,367 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.28/8.84 [2019-03-29 01:53:31,381 INFO L185 BlockEncoder]: Using Use SBE 15.28/8.84 [2019-03-29 01:53:31,388 INFO L200 BlockEncoder]: SBE split 0 edges 15.28/8.84 [2019-03-29 01:53:31,393 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.28/8.84 [2019-03-29 01:53:31,395 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.28/8.84 [2019-03-29 01:53:31,408 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.28/8.84 [2019-03-29 01:53:31,410 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.28/8.84 [2019-03-29 01:53:31,411 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.28/8.84 [2019-03-29 01:53:31,411 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.28/8.84 [2019-03-29 01:53:31,412 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.28/8.84 [2019-03-29 01:53:31,412 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.28/8.84 [2019-03-29 01:53:31,412 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 15.28/8.84 [2019-03-29 01:53:31,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:53:31 BasicIcfg 15.28/8.84 [2019-03-29 01:53:31,413 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.28/8.84 [2019-03-29 01:53:31,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.28/8.84 [2019-03-29 01:53:31,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.28/8.84 [2019-03-29 01:53:31,417 INFO L276 PluginConnector]: TraceAbstraction initialized 15.28/8.84 [2019-03-29 01:53:31,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:53:30" (1/4) ... 15.28/8.84 [2019-03-29 01:53:31,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7134282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (2/4) ... 15.28/8.84 [2019-03-29 01:53:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7134282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:31" (3/4) ... 15.28/8.84 [2019-03-29 01:53:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7134282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:53:31" (4/4) ... 15.28/8.84 [2019-03-29 01:53:31,421 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.28/8.84 [2019-03-29 01:53:31,431 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.28/8.84 [2019-03-29 01:53:31,438 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.28/8.84 [2019-03-29 01:53:31,456 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.28/8.84 [2019-03-29 01:53:31,485 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.28/8.84 [2019-03-29 01:53:31,486 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.28/8.84 [2019-03-29 01:53:31,486 INFO L383 AbstractCegarLoop]: Hoare is true 15.28/8.84 [2019-03-29 01:53:31,486 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.28/8.84 [2019-03-29 01:53:31,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.28/8.84 [2019-03-29 01:53:31,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.28/8.84 [2019-03-29 01:53:31,487 INFO L387 AbstractCegarLoop]: Difference is false 15.28/8.84 [2019-03-29 01:53:31,487 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.28/8.84 [2019-03-29 01:53:31,487 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.28/8.84 [2019-03-29 01:53:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 15.28/8.84 [2019-03-29 01:53:31,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.28/8.84 [2019-03-29 01:53:31,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 15.28/8.84 [2019-03-29 01:53:31,559 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.28/8.84 [2019-03-29 01:53:31,560 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 16) the Hoare annotation is: true 15.28/8.84 [2019-03-29 01:53:31,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:53:31 BasicIcfg 15.28/8.84 [2019-03-29 01:53:31,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.28/8.84 [2019-03-29 01:53:31,568 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.28/8.84 [2019-03-29 01:53:31,569 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.28/8.84 [2019-03-29 01:53:31,572 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.28/8.84 [2019-03-29 01:53:31,573 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/8.84 [2019-03-29 01:53:31,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:53:30" (1/5) ... 15.28/8.84 [2019-03-29 01:53:31,574 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c0f0e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,574 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/8.84 [2019-03-29 01:53:31,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:31" (2/5) ... 15.28/8.84 [2019-03-29 01:53:31,574 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c0f0e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,575 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/8.84 [2019-03-29 01:53:31,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:31" (3/5) ... 15.28/8.84 [2019-03-29 01:53:31,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c0f0e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,575 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/8.84 [2019-03-29 01:53:31,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:53:31" (4/5) ... 15.28/8.84 [2019-03-29 01:53:31,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c0f0e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:53:31, skipping insertion in model container 15.28/8.84 [2019-03-29 01:53:31,576 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.28/8.84 [2019-03-29 01:53:31,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:53:31" (5/5) ... 15.28/8.84 [2019-03-29 01:53:31,578 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.28/8.84 [2019-03-29 01:53:31,604 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.28/8.84 [2019-03-29 01:53:31,604 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.28/8.84 [2019-03-29 01:53:31,604 INFO L375 BuchiCegarLoop]: Hoare is true 15.28/8.84 [2019-03-29 01:53:31,605 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.28/8.84 [2019-03-29 01:53:31,605 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.28/8.84 [2019-03-29 01:53:31,605 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.28/8.84 [2019-03-29 01:53:31,605 INFO L379 BuchiCegarLoop]: Difference is false 15.28/8.84 [2019-03-29 01:53:31,606 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.28/8.84 [2019-03-29 01:53:31,606 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.28/8.84 [2019-03-29 01:53:31,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.28/8.84 [2019-03-29 01:53:31,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.28/8.84 [2019-03-29 01:53:31,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.28/8.84 [2019-03-29 01:53:31,626 INFO L119 BuchiIsEmpty]: Starting construction of run 15.28/8.84 [2019-03-29 01:53:31,631 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.28/8.84 [2019-03-29 01:53:31,631 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.28/8.84 [2019-03-29 01:53:31,632 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.28/8.84 [2019-03-29 01:53:31,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.28/8.84 [2019-03-29 01:53:31,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.28/8.84 [2019-03-29 01:53:31,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.28/8.84 [2019-03-29 01:53:31,633 INFO L119 BuchiIsEmpty]: Starting construction of run 15.28/8.84 [2019-03-29 01:53:31,633 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.28/8.84 [2019-03-29 01:53:31,633 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.28/8.84 [2019-03-29 01:53:31,638 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~t~0] 3#L12-2true 15.28/8.84 [2019-03-29 01:53:31,638 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [20] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~t~0_4 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~t~0_4) (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} 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, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~t~0] 3#L12-2true 15.28/8.84 [2019-03-29 01:53:31,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/8.84 [2019-03-29 01:53:31,645 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 15.28/8.84 [2019-03-29 01:53:31,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/8.84 [2019-03-29 01:53:31,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/8.84 [2019-03-29 01:53:31,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/8.84 [2019-03-29 01:53:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/8.84 [2019-03-29 01:53:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/8.84 [2019-03-29 01:53:31,717 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 15.28/8.84 [2019-03-29 01:53:31,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/8.84 [2019-03-29 01:53:31,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/8.84 [2019-03-29 01:53:31,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/8.84 [2019-03-29 01:53:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/8.84 [2019-03-29 01:53:31,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/8.84 [2019-03-29 01:53:31,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 15.28/8.84 [2019-03-29 01:53:31,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.28/8.84 [2019-03-29 01:53:31,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.28/8.84 [2019-03-29 01:53:31,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.28/8.84 [2019-03-29 01:53:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/8.84 [2019-03-29 01:53:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.28/8.84 [2019-03-29 01:53:31,795 INFO L216 LassoAnalysis]: Preferences: 15.28/8.84 [2019-03-29 01:53:31,797 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.28/8.84 [2019-03-29 01:53:31,797 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.28/8.84 [2019-03-29 01:53:31,797 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.28/8.84 [2019-03-29 01:53:31,797 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.28/8.84 [2019-03-29 01:53:31,797 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:31,797 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.28/8.84 [2019-03-29 01:53:31,798 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.28/8.84 [2019-03-29 01:53:31,798 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.28/8.84 [2019-03-29 01:53:31,798 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.28/8.84 [2019-03-29 01:53:31,798 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.28/8.84 [2019-03-29 01:53:31,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/8.84 [2019-03-29 01:53:31,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/8.84 [2019-03-29 01:53:31,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/8.84 [2019-03-29 01:53:31,966 INFO L300 LassoAnalysis]: Preprocessing complete. 15.28/8.84 [2019-03-29 01:53:31,967 INFO L412 LassoAnalysis]: Checking for nontermination... 15.28/8.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.28/8.84 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/8.84 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:31,973 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/8.84 [2019-03-29 01:53:31,973 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/8.84 [2019-03-29 01:53:32,006 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.28/8.84 [2019-03-29 01:53:32,007 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.28/8.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.28/8.84 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/8.84 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:32,012 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/8.84 [2019-03-29 01:53:32,012 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/8.84 [2019-03-29 01:53:32,040 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.28/8.84 [2019-03-29 01:53:32,040 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.28/8.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.28/8.84 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/8.84 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:32,045 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.28/8.84 [2019-03-29 01:53:32,045 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/8.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.28/8.84 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.28/8.84 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:32,082 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.28/8.84 [2019-03-29 01:53:32,082 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.28/8.84 [2019-03-29 01:53:34,936 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.28/8.84 [2019-03-29 01:53:34,940 INFO L216 LassoAnalysis]: Preferences: 15.28/8.84 [2019-03-29 01:53:34,940 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.28/8.84 [2019-03-29 01:53:34,940 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.28/8.84 [2019-03-29 01:53:34,940 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.28/8.84 [2019-03-29 01:53:34,941 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.28/8.84 [2019-03-29 01:53:34,941 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.28/8.84 [2019-03-29 01:53:34,941 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.28/8.84 [2019-03-29 01:53:34,941 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.28/8.84 [2019-03-29 01:53:34,941 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.28/8.84 [2019-03-29 01:53:34,941 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.28/8.84 [2019-03-29 01:53:34,941 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.28/8.84 [2019-03-29 01:53:34,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/8.84 [2019-03-29 01:53:34,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/8.84 [2019-03-29 01:53:34,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.28/8.84 [2019-03-29 01:53:35,054 INFO L300 LassoAnalysis]: Preprocessing complete. 15.28/8.84 [2019-03-29 01:53:35,060 INFO L497 LassoAnalysis]: Using template 'affine'. 15.28/8.84 [2019-03-29 01:53:35,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/8.84 Termination analysis: LINEAR_WITH_GUESSES 15.28/8.84 Number of strict supporting invariants: 0 15.28/8.84 Number of non-strict supporting invariants: 1 15.28/8.84 Consider only non-deceasing supporting invariants: true 15.28/8.84 Simplify termination arguments: true 15.28/8.84 Simplify supporting invariants: trueOverapproximate stem: false 15.28/8.84 [2019-03-29 01:53:35,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/8.84 [2019-03-29 01:53:35,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/8.84 [2019-03-29 01:53:35,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/8.84 [2019-03-29 01:53:35,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/8.84 [2019-03-29 01:53:35,069 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.28/8.84 [2019-03-29 01:53:35,069 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.28/8.84 [2019-03-29 01:53:35,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.28/8.84 [2019-03-29 01:53:35,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/8.84 Termination analysis: LINEAR_WITH_GUESSES 15.28/8.84 Number of strict supporting invariants: 0 15.28/8.84 Number of non-strict supporting invariants: 1 15.28/8.84 Consider only non-deceasing supporting invariants: true 15.28/8.84 Simplify termination arguments: true 15.28/8.84 Simplify supporting invariants: trueOverapproximate stem: false 15.28/8.84 [2019-03-29 01:53:35,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/8.84 [2019-03-29 01:53:35,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/8.84 [2019-03-29 01:53:35,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/8.84 [2019-03-29 01:53:35,080 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/8.84 [2019-03-29 01:53:35,082 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.28/8.84 [2019-03-29 01:53:35,083 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.28/8.84 [2019-03-29 01:53:35,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.28/8.84 [2019-03-29 01:53:35,091 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.28/8.84 Termination analysis: LINEAR_WITH_GUESSES 15.28/8.84 Number of strict supporting invariants: 0 15.28/8.84 Number of non-strict supporting invariants: 1 15.28/8.84 Consider only non-deceasing supporting invariants: true 15.28/8.84 Simplify termination arguments: true 15.28/8.84 Simplify supporting invariants: trueOverapproximate stem: false 15.28/8.84 [2019-03-29 01:53:35,092 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.28/8.84 [2019-03-29 01:53:35,092 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.28/8.84 [2019-03-29 01:53:35,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.28/8.84 [2019-03-29 01:53:35,093 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.28/8.84 [2019-03-29 01:53:35,093 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.28/8.84 [2019-03-29 01:53:35,095 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.28/8.84 [2019-03-29 01:53:35,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.28/8.84 [2019-03-29 01:53:35,109 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.28/8.84 [2019-03-29 01:53:35,119 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.28/8.84 [2019-03-29 01:53:35,119 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.28/8.84 [2019-03-29 01:53:35,122 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.28/8.84 [2019-03-29 01:53:35,122 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.28/8.84 [2019-03-29 01:53:35,122 INFO L518 LassoAnalysis]: Proved termination. 15.28/8.84 [2019-03-29 01:53:35,123 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.28/8.84 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 15.28/8.84 Supporting invariants [] 15.28/8.84 [2019-03-29 01:53:35,124 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.28/8.84 [2019-03-29 01:53:35,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.28/8.84 [2019-03-29 01:53:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/8.84 [2019-03-29 01:53:35,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.28/8.84 [2019-03-29 01:53:35,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/8.84 [2019-03-29 01:53:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.28/8.84 [2019-03-29 01:53:35,179 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core 15.28/8.84 [2019-03-29 01:53:35,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.28/8.84 [2019-03-29 01:53:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.28/8.84 [2019-03-29 01:53:35,193 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.28/8.84 [2019-03-29 01:53:35,198 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.28/8.84 [2019-03-29 01:53:35,200 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 15.28/8.84 [2019-03-29 01:53:35,218 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. 15.28/8.84 [2019-03-29 01:53:35,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 15.28/8.84 [2019-03-29 01:53:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.28/8.84 [2019-03-29 01:53:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 15.28/8.84 [2019-03-29 01:53:35,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 15.28/8.84 [2019-03-29 01:53:35,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/8.84 [2019-03-29 01:53:35,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 15.28/8.84 [2019-03-29 01:53:35,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/8.84 [2019-03-29 01:53:35,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 15.28/8.84 [2019-03-29 01:53:35,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.28/8.84 [2019-03-29 01:53:35,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 15.28/8.84 [2019-03-29 01:53:35,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.28/8.84 [2019-03-29 01:53:35,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 15.28/8.84 [2019-03-29 01:53:35,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.28/8.84 [2019-03-29 01:53:35,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.28/8.84 [2019-03-29 01:53:35,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.28/8.84 [2019-03-29 01:53:35,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.28/8.84 [2019-03-29 01:53:35,234 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.28/8.84 [2019-03-29 01:53:35,234 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.28/8.84 [2019-03-29 01:53:35,235 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.28/8.84 [2019-03-29 01:53:35,235 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.28/8.84 [2019-03-29 01:53:35,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.28/8.84 [2019-03-29 01:53:35,235 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.28/8.84 [2019-03-29 01:53:35,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.28/8.84 [2019-03-29 01:53:35,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:53:35 BasicIcfg 15.28/8.84 [2019-03-29 01:53:35,241 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.28/8.84 [2019-03-29 01:53:35,242 INFO L168 Benchmark]: Toolchain (without parser) took 4412.60 ms. Allocated memory is still 649.6 MB. Free memory was 565.9 MB in the beginning and 507.4 MB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,243 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. 15.28/8.84 [2019-03-29 01:53:35,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.76 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 616.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.88 ms. Allocated memory is still 649.6 MB. Free memory was 616.0 MB in the beginning and 614.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,245 INFO L168 Benchmark]: Boogie Preprocessor took 19.32 ms. Allocated memory is still 649.6 MB. Free memory was 614.9 MB in the beginning and 612.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,246 INFO L168 Benchmark]: RCFGBuilder took 182.89 ms. Allocated memory is still 649.6 MB. Free memory was 612.1 MB in the beginning and 599.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,246 INFO L168 Benchmark]: BlockEncodingV2 took 68.79 ms. Allocated memory is still 649.6 MB. Free memory was 599.4 MB in the beginning and 594.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,247 INFO L168 Benchmark]: TraceAbstraction took 154.06 ms. Allocated memory is still 649.6 MB. Free memory was 594.1 MB in the beginning and 584.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,247 INFO L168 Benchmark]: BuchiAutomizer took 3672.74 ms. Allocated memory is still 649.6 MB. Free memory was 584.3 MB in the beginning and 507.4 MB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 50.3 GB. 15.28/8.84 [2019-03-29 01:53:35,251 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.28/8.84 --- Results --- 15.28/8.84 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.28/8.84 - StatisticsResult: Initial Icfg 15.28/8.84 6 locations, 7 edges 15.28/8.84 - StatisticsResult: Encoded RCFG 15.28/8.84 2 locations, 2 edges 15.28/8.84 * Results from de.uni_freiburg.informatik.ultimate.core: 15.28/8.84 - StatisticsResult: Toolchain Benchmarks 15.28/8.84 Benchmark results are: 15.28/8.84 * 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. 15.28/8.84 * CACSL2BoogieTranslator took 274.76 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 616.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.28/8.84 * Boogie Procedure Inliner took 34.88 ms. Allocated memory is still 649.6 MB. Free memory was 616.0 MB in the beginning and 614.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.28/8.84 * Boogie Preprocessor took 19.32 ms. Allocated memory is still 649.6 MB. Free memory was 614.9 MB in the beginning and 612.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.28/8.84 * RCFGBuilder took 182.89 ms. Allocated memory is still 649.6 MB. Free memory was 612.1 MB in the beginning and 599.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 50.3 GB. 15.28/8.84 * BlockEncodingV2 took 68.79 ms. Allocated memory is still 649.6 MB. Free memory was 599.4 MB in the beginning and 594.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.28/8.84 * TraceAbstraction took 154.06 ms. Allocated memory is still 649.6 MB. Free memory was 594.1 MB in the beginning and 584.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.28/8.84 * BuchiAutomizer took 3672.74 ms. Allocated memory is still 649.6 MB. Free memory was 584.3 MB in the beginning and 507.4 MB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 50.3 GB. 15.28/8.84 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.28/8.84 - AllSpecificationsHoldResult: All specifications hold 15.28/8.84 We were not able to verify any specifiation because the program does not contain any specification. 15.28/8.84 - InvariantResult [Line: 12]: Loop Invariant 15.28/8.84 Derived loop invariant: 1 15.28/8.84 - StatisticsResult: Ultimate Automizer benchmark data 15.28/8.84 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 15.28/8.84 - StatisticsResult: Constructed decomposition of program 15.28/8.84 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * y + x and consists of 2 locations. 15.28/8.84 - StatisticsResult: Timing statistics 15.28/8.84 BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf88 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.9s 15.28/8.84 - TerminationAnalysisResult: Termination proven 15.28/8.84 Buchi Automizer proved that your program is terminating 15.28/8.84 RESULT: Ultimate proved your program to be correct! 15.28/8.84 !SESSION 2019-03-29 01:53:27.554 ----------------------------------------------- 15.28/8.84 eclipse.buildId=unknown 15.28/8.84 java.version=1.8.0_181 15.28/8.84 java.vendor=Oracle Corporation 15.28/8.84 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.28/8.84 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.28/8.84 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.28/8.84 15.28/8.84 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:53:35.483 15.28/8.84 !MESSAGE The workspace will exit with unsaved changes in this session. 15.28/8.84 Received shutdown request... 15.28/8.84 Ultimate: 15.28/8.84 GTK+ Version Check 15.28/8.84 EOF