13.94/7.14 YES 13.94/7.14 13.94/7.14 Ultimate: Cannot open display: 13.94/7.14 This is Ultimate 0.1.24-8dc7c08-m 13.94/7.14 [2019-03-29 01:49:15,934 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.94/7.14 [2019-03-29 01:49:15,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.94/7.14 [2019-03-29 01:49:15,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.94/7.14 [2019-03-29 01:49:15,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.94/7.14 [2019-03-29 01:49:15,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.94/7.14 [2019-03-29 01:49:15,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.94/7.14 [2019-03-29 01:49:15,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.94/7.14 [2019-03-29 01:49:15,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.94/7.14 [2019-03-29 01:49:15,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.94/7.14 [2019-03-29 01:49:15,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.94/7.14 [2019-03-29 01:49:15,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.94/7.14 [2019-03-29 01:49:15,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.94/7.14 [2019-03-29 01:49:15,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.94/7.14 [2019-03-29 01:49:15,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.94/7.14 [2019-03-29 01:49:15,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.94/7.14 [2019-03-29 01:49:15,962 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.94/7.14 [2019-03-29 01:49:15,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.94/7.14 [2019-03-29 01:49:15,965 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.94/7.14 [2019-03-29 01:49:15,966 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.94/7.14 [2019-03-29 01:49:15,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.94/7.14 [2019-03-29 01:49:15,969 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.94/7.14 [2019-03-29 01:49:15,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.94/7.14 [2019-03-29 01:49:15,971 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,971 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.94/7.14 [2019-03-29 01:49:15,971 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.94/7.14 [2019-03-29 01:49:15,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.94/7.14 [2019-03-29 01:49:15,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.94/7.14 [2019-03-29 01:49:15,974 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,975 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.94/7.14 [2019-03-29 01:49:15,975 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,975 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.94/7.14 [2019-03-29 01:49:15,976 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.94/7.14 [2019-03-29 01:49:15,977 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.94/7.14 [2019-03-29 01:49:15,977 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.94/7.14 [2019-03-29 01:49:15,978 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.94/7.14 [2019-03-29 01:49:15,992 INFO L110 SettingsManager]: Loading preferences was successful 13.94/7.14 [2019-03-29 01:49:15,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.94/7.14 [2019-03-29 01:49:15,993 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.94/7.14 [2019-03-29 01:49:15,993 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.94/7.14 [2019-03-29 01:49:15,994 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.94/7.14 [2019-03-29 01:49:15,994 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.94/7.14 [2019-03-29 01:49:15,994 INFO L133 SettingsManager]: * Use SBE=true 13.94/7.14 [2019-03-29 01:49:15,994 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.94/7.14 [2019-03-29 01:49:15,994 INFO L133 SettingsManager]: * Use old map elimination=false 13.94/7.14 [2019-03-29 01:49:15,994 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.94/7.14 [2019-03-29 01:49:15,995 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.94/7.14 [2019-03-29 01:49:15,995 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.94/7.14 [2019-03-29 01:49:15,995 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.94/7.14 [2019-03-29 01:49:15,995 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.94/7.14 [2019-03-29 01:49:15,995 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:15,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.94/7.14 [2019-03-29 01:49:15,996 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.94/7.14 [2019-03-29 01:49:15,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.94/7.14 [2019-03-29 01:49:15,996 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.94/7.14 [2019-03-29 01:49:15,996 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.94/7.14 [2019-03-29 01:49:15,996 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.94/7.14 [2019-03-29 01:49:15,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.94/7.14 [2019-03-29 01:49:15,997 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.94/7.14 [2019-03-29 01:49:15,997 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.94/7.14 [2019-03-29 01:49:15,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.94/7.14 [2019-03-29 01:49:15,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.94/7.14 [2019-03-29 01:49:15,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.94/7.14 [2019-03-29 01:49:15,998 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.94/7.14 [2019-03-29 01:49:15,998 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.94/7.14 [2019-03-29 01:49:16,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.94/7.14 [2019-03-29 01:49:16,036 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.94/7.14 [2019-03-29 01:49:16,040 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.94/7.14 [2019-03-29 01:49:16,041 INFO L271 PluginConnector]: Initializing CDTParser... 13.94/7.14 [2019-03-29 01:49:16,042 INFO L276 PluginConnector]: CDTParser initialized 13.94/7.14 [2019-03-29 01:49:16,042 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.94/7.14 [2019-03-29 01:49:16,108 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/012c94f23e94430a930d1cfc2c78c17a/FLAGa952aa486 13.94/7.14 [2019-03-29 01:49:16,441 INFO L307 CDTParser]: Found 1 translation units. 13.94/7.14 [2019-03-29 01:49:16,442 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.94/7.14 [2019-03-29 01:49:16,448 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/012c94f23e94430a930d1cfc2c78c17a/FLAGa952aa486 13.94/7.14 [2019-03-29 01:49:16,860 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/012c94f23e94430a930d1cfc2c78c17a 13.94/7.14 [2019-03-29 01:49:16,871 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.94/7.14 [2019-03-29 01:49:16,873 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.94/7.14 [2019-03-29 01:49:16,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.94/7.14 [2019-03-29 01:49:16,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.94/7.14 [2019-03-29 01:49:16,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.94/7.14 [2019-03-29 01:49:16,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:49:16" (1/1) ... 13.94/7.14 [2019-03-29 01:49:16,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23df6a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:16, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:16,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:49:16" (1/1) ... 13.94/7.14 [2019-03-29 01:49:16,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.94/7.14 [2019-03-29 01:49:16,906 INFO L176 MainTranslator]: Built tables and reachable declarations 13.94/7.14 [2019-03-29 01:49:17,060 INFO L206 PostProcessor]: Analyzing one entry point: main 13.94/7.14 [2019-03-29 01:49:17,066 INFO L191 MainTranslator]: Completed pre-run 13.94/7.14 [2019-03-29 01:49:17,082 INFO L206 PostProcessor]: Analyzing one entry point: main 13.94/7.14 [2019-03-29 01:49:17,158 INFO L195 MainTranslator]: Completed translation 13.94/7.14 [2019-03-29 01:49:17,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17 WrapperNode 13.94/7.14 [2019-03-29 01:49:17,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.94/7.14 [2019-03-29 01:49:17,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.94/7.14 [2019-03-29 01:49:17,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.94/7.14 [2019-03-29 01:49:17,160 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.94/7.14 [2019-03-29 01:49:17,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.94/7.14 [2019-03-29 01:49:17,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.94/7.14 [2019-03-29 01:49:17,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.94/7.14 [2019-03-29 01:49:17,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.94/7.14 [2019-03-29 01:49:17,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.94/7.14 [2019-03-29 01:49:17,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.94/7.14 [2019-03-29 01:49:17,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.94/7.14 [2019-03-29 01:49:17,219 INFO L276 PluginConnector]: RCFGBuilder initialized 13.94/7.14 [2019-03-29 01:49:17,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (1/1) ... 13.94/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.14 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.94/7.14 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.94/7.14 [2019-03-29 01:49:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.94/7.14 [2019-03-29 01:49:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.94/7.14 [2019-03-29 01:49:17,422 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.94/7.14 [2019-03-29 01:49:17,423 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 13.94/7.14 [2019-03-29 01:49:17,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:17 BoogieIcfgContainer 13.94/7.14 [2019-03-29 01:49:17,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.94/7.14 [2019-03-29 01:49:17,425 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.94/7.14 [2019-03-29 01:49:17,425 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.94/7.14 [2019-03-29 01:49:17,428 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.94/7.14 [2019-03-29 01:49:17,429 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:17" (1/1) ... 13.94/7.14 [2019-03-29 01:49:17,444 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.94/7.14 [2019-03-29 01:49:17,446 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.94/7.14 [2019-03-29 01:49:17,446 INFO L263 BlockEncoder]: Using Maximize final states 13.94/7.14 [2019-03-29 01:49:17,448 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.94/7.14 [2019-03-29 01:49:17,448 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.94/7.14 [2019-03-29 01:49:17,450 INFO L296 BlockEncoder]: Using Remove sink states 13.94/7.14 [2019-03-29 01:49:17,451 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.94/7.14 [2019-03-29 01:49:17,451 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.94/7.14 [2019-03-29 01:49:17,467 INFO L185 BlockEncoder]: Using Use SBE 13.94/7.14 [2019-03-29 01:49:17,475 INFO L200 BlockEncoder]: SBE split 0 edges 13.94/7.14 [2019-03-29 01:49:17,480 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.94/7.14 [2019-03-29 01:49:17,482 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.94/7.14 [2019-03-29 01:49:17,497 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 13.94/7.14 [2019-03-29 01:49:17,500 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.94/7.14 [2019-03-29 01:49:17,501 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.94/7.14 [2019-03-29 01:49:17,501 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.94/7.14 [2019-03-29 01:49:17,501 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.94/7.14 [2019-03-29 01:49:17,502 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.94/7.14 [2019-03-29 01:49:17,502 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.94/7.14 [2019-03-29 01:49:17,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:49:17 BasicIcfg 13.94/7.14 [2019-03-29 01:49:17,503 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.94/7.14 [2019-03-29 01:49:17,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.94/7.14 [2019-03-29 01:49:17,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.94/7.14 [2019-03-29 01:49:17,507 INFO L276 PluginConnector]: TraceAbstraction initialized 13.94/7.14 [2019-03-29 01:49:17,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:49:16" (1/4) ... 13.94/7.14 [2019-03-29 01:49:17,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b86fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (2/4) ... 13.94/7.14 [2019-03-29 01:49:17,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b86fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:17" (3/4) ... 13.94/7.14 [2019-03-29 01:49:17,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b86fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:49:17" (4/4) ... 13.94/7.14 [2019-03-29 01:49:17,511 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.94/7.14 [2019-03-29 01:49:17,521 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.94/7.14 [2019-03-29 01:49:17,528 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.94/7.14 [2019-03-29 01:49:17,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.94/7.14 [2019-03-29 01:49:17,574 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.94/7.14 [2019-03-29 01:49:17,575 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.94/7.14 [2019-03-29 01:49:17,575 INFO L383 AbstractCegarLoop]: Hoare is true 13.94/7.14 [2019-03-29 01:49:17,575 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.94/7.14 [2019-03-29 01:49:17,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.94/7.14 [2019-03-29 01:49:17,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.94/7.14 [2019-03-29 01:49:17,575 INFO L387 AbstractCegarLoop]: Difference is false 13.94/7.14 [2019-03-29 01:49:17,576 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.94/7.14 [2019-03-29 01:49:17,576 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.94/7.14 [2019-03-29 01:49:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.94/7.14 [2019-03-29 01:49:17,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.94/7.14 [2019-03-29 01:49:17,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.94/7.14 [2019-03-29 01:49:17,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.94/7.14 [2019-03-29 01:49:17,650 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 15) the Hoare annotation is: true 13.94/7.14 [2019-03-29 01:49:17,650 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 17) the Hoare annotation is: true 13.94/7.14 [2019-03-29 01:49:17,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:49:17 BasicIcfg 13.94/7.14 [2019-03-29 01:49:17,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.94/7.14 [2019-03-29 01:49:17,659 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.94/7.14 [2019-03-29 01:49:17,659 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.94/7.14 [2019-03-29 01:49:17,662 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.94/7.14 [2019-03-29 01:49:17,663 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.94/7.14 [2019-03-29 01:49:17,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:49:16" (1/5) ... 13.94/7.14 [2019-03-29 01:49:17,664 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2abcfd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,664 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.94/7.14 [2019-03-29 01:49:17,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:17" (2/5) ... 13.94/7.14 [2019-03-29 01:49:17,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2abcfd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,665 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.94/7.14 [2019-03-29 01:49:17,665 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:17" (3/5) ... 13.94/7.14 [2019-03-29 01:49:17,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2abcfd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,666 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.94/7.14 [2019-03-29 01:49:17,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:49:17" (4/5) ... 13.94/7.14 [2019-03-29 01:49:17,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2abcfd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:49:17, skipping insertion in model container 13.94/7.14 [2019-03-29 01:49:17,666 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.94/7.14 [2019-03-29 01:49:17,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:49:17" (5/5) ... 13.94/7.14 [2019-03-29 01:49:17,668 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.94/7.14 [2019-03-29 01:49:17,696 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.94/7.14 [2019-03-29 01:49:17,696 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.94/7.14 [2019-03-29 01:49:17,697 INFO L375 BuchiCegarLoop]: Hoare is true 13.94/7.14 [2019-03-29 01:49:17,697 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.94/7.14 [2019-03-29 01:49:17,697 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.94/7.14 [2019-03-29 01:49:17,697 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.94/7.14 [2019-03-29 01:49:17,697 INFO L379 BuchiCegarLoop]: Difference is false 13.94/7.14 [2019-03-29 01:49:17,697 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.94/7.14 [2019-03-29 01:49:17,697 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.94/7.14 [2019-03-29 01:49:17,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.94/7.14 [2019-03-29 01:49:17,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.94/7.14 [2019-03-29 01:49:17,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.94/7.14 [2019-03-29 01:49:17,718 INFO L119 BuchiIsEmpty]: Starting construction of run 13.94/7.14 [2019-03-29 01:49:17,724 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.94/7.14 [2019-03-29 01:49:17,724 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.94/7.14 [2019-03-29 01:49:17,724 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.94/7.14 [2019-03-29 01:49:17,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.94/7.14 [2019-03-29 01:49:17,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.94/7.14 [2019-03-29 01:49:17,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.94/7.14 [2019-03-29 01:49:17,725 INFO L119 BuchiIsEmpty]: Starting construction of run 13.94/7.14 [2019-03-29 01:49:17,725 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.94/7.14 [2019-03-29 01:49:17,725 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.94/7.14 [2019-03-29 01:49:17,730 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 3)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L11-2true 13.94/7.14 [2019-03-29 01:49:17,731 INFO L796 eck$LassoCheckResult]: Loop: 5#L11-2true [40] L11-2-->L12-2: Formula: (< v_ULTIMATE.start_main_~i~0_9 10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 3#L12-2true [45] L12-2-->L11-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_10) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L11-2true 13.94/7.14 [2019-03-29 01:49:17,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:17,737 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 13.94/7.14 [2019-03-29 01:49:17,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.94/7.14 [2019-03-29 01:49:17,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.94/7.14 [2019-03-29 01:49:17,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:17,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:17,810 INFO L82 PathProgramCache]: Analyzing trace with hash 2246, now seen corresponding path program 1 times 13.94/7.14 [2019-03-29 01:49:17,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.94/7.14 [2019-03-29 01:49:17,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.94/7.14 [2019-03-29 01:49:17,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash 63750, now seen corresponding path program 1 times 13.94/7.14 [2019-03-29 01:49:17,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.94/7.14 [2019-03-29 01:49:17,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.94/7.14 [2019-03-29 01:49:17,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.94/7.14 [2019-03-29 01:49:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.94/7.14 [2019-03-29 01:49:17,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.94/7.14 [2019-03-29 01:49:17,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 13.94/7.14 [2019-03-29 01:49:17,916 INFO L216 LassoAnalysis]: Preferences: 13.94/7.14 [2019-03-29 01:49:17,917 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.94/7.14 [2019-03-29 01:49:17,917 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.94/7.14 [2019-03-29 01:49:17,918 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.94/7.14 [2019-03-29 01:49:17,918 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.94/7.14 [2019-03-29 01:49:17,918 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:17,918 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.94/7.14 [2019-03-29 01:49:17,918 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.94/7.14 [2019-03-29 01:49:17,919 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.94/7.14 [2019-03-29 01:49:17,919 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.94/7.14 [2019-03-29 01:49:17,919 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.94/7.14 [2019-03-29 01:49:17,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:17,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:17,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:17,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:18,034 INFO L300 LassoAnalysis]: Preprocessing complete. 13.94/7.14 [2019-03-29 01:49:18,035 INFO L412 LassoAnalysis]: Checking for nontermination... 13.94/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.14 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.14 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,043 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.94/7.14 [2019-03-29 01:49:18,043 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.14 [2019-03-29 01:49:18,076 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.94/7.14 [2019-03-29 01:49:18,077 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: [] 13.94/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.14 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.14 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,084 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.94/7.14 [2019-03-29 01:49:18,084 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.14 [2019-03-29 01:49:18,112 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.94/7.14 [2019-03-29 01:49:18,112 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: [] 13.94/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.14 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.14 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,118 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.94/7.14 [2019-03-29 01:49:18,118 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.14 [2019-03-29 01:49:18,145 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.94/7.14 [2019-03-29 01:49:18,145 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=12} Honda state: {ULTIMATE.start_main_~j~0=12} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.94/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.14 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.14 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,151 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.94/7.14 [2019-03-29 01:49:18,152 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.14 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.14 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,183 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.94/7.14 [2019-03-29 01:49:18,183 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.14 [2019-03-29 01:49:18,214 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.94/7.14 [2019-03-29 01:49:18,216 INFO L216 LassoAnalysis]: Preferences: 13.94/7.14 [2019-03-29 01:49:18,216 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.94/7.14 [2019-03-29 01:49:18,216 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.94/7.14 [2019-03-29 01:49:18,217 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.94/7.14 [2019-03-29 01:49:18,217 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.94/7.14 [2019-03-29 01:49:18,217 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,217 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.94/7.14 [2019-03-29 01:49:18,217 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.94/7.14 [2019-03-29 01:49:18,217 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.94/7.14 [2019-03-29 01:49:18,217 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.94/7.14 [2019-03-29 01:49:18,218 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.94/7.14 [2019-03-29 01:49:18,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:18,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:18,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:18,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:18,314 INFO L300 LassoAnalysis]: Preprocessing complete. 13.94/7.14 [2019-03-29 01:49:18,319 INFO L497 LassoAnalysis]: Using template 'affine'. 13.94/7.14 [2019-03-29 01:49:18,321 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.94/7.14 Termination analysis: LINEAR_WITH_GUESSES 13.94/7.14 Number of strict supporting invariants: 0 13.94/7.14 Number of non-strict supporting invariants: 1 13.94/7.14 Consider only non-deceasing supporting invariants: true 13.94/7.14 Simplify termination arguments: true 13.94/7.14 Simplify supporting invariants: trueOverapproximate stem: false 13.94/7.14 [2019-03-29 01:49:18,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.94/7.14 [2019-03-29 01:49:18,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.94/7.14 [2019-03-29 01:49:18,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.94/7.14 [2019-03-29 01:49:18,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.94/7.14 [2019-03-29 01:49:18,324 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.94/7.14 [2019-03-29 01:49:18,326 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.94/7.14 [2019-03-29 01:49:18,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.94/7.14 [2019-03-29 01:49:18,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.94/7.14 [2019-03-29 01:49:18,329 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.94/7.14 Termination analysis: LINEAR_WITH_GUESSES 13.94/7.14 Number of strict supporting invariants: 0 13.94/7.14 Number of non-strict supporting invariants: 1 13.94/7.14 Consider only non-deceasing supporting invariants: true 13.94/7.14 Simplify termination arguments: true 13.94/7.14 Simplify supporting invariants: trueOverapproximate stem: false 13.94/7.14 [2019-03-29 01:49:18,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.94/7.14 [2019-03-29 01:49:18,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.94/7.14 [2019-03-29 01:49:18,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.94/7.14 [2019-03-29 01:49:18,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.94/7.14 [2019-03-29 01:49:18,331 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.94/7.14 [2019-03-29 01:49:18,332 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.94/7.14 [2019-03-29 01:49:18,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.94/7.14 [2019-03-29 01:49:18,338 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.94/7.14 [2019-03-29 01:49:18,343 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.94/7.14 [2019-03-29 01:49:18,344 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 13.94/7.14 [2019-03-29 01:49:18,346 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.94/7.14 [2019-03-29 01:49:18,346 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.94/7.14 [2019-03-29 01:49:18,346 INFO L518 LassoAnalysis]: Proved termination. 13.94/7.14 [2019-03-29 01:49:18,347 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.94/7.14 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 13.94/7.14 Supporting invariants [] 13.94/7.14 [2019-03-29 01:49:18,348 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.94/7.14 [2019-03-29 01:49:18,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.94/7.14 [2019-03-29 01:49:18,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.94/7.14 [2019-03-29 01:49:18,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.94/7.14 [2019-03-29 01:49:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.94/7.14 [2019-03-29 01:49:18,403 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 13.94/7.14 [2019-03-29 01:49:18,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.94/7.14 [2019-03-29 01:49:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.94/7.14 [2019-03-29 01:49:18,448 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.94/7.14 [2019-03-29 01:49:18,453 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 13.94/7.14 [2019-03-29 01:49:18,455 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.94/7.14 [2019-03-29 01:49:18,509 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 5 states. 13.94/7.14 [2019-03-29 01:49:18,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 13.94/7.14 [2019-03-29 01:49:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.94/7.14 [2019-03-29 01:49:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 13.94/7.14 [2019-03-29 01:49:18,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.94/7.14 [2019-03-29 01:49:18,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 13.94/7.14 [2019-03-29 01:49:18,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.94/7.14 [2019-03-29 01:49:18,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 13.94/7.14 [2019-03-29 01:49:18,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.94/7.14 [2019-03-29 01:49:18,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.94/7.14 [2019-03-29 01:49:18,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 13.94/7.14 [2019-03-29 01:49:18,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.94/7.14 [2019-03-29 01:49:18,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.94/7.14 [2019-03-29 01:49:18,529 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 13.94/7.14 [2019-03-29 01:49:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 13.94/7.14 [2019-03-29 01:49:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 13.94/7.14 [2019-03-29 01:49:18,559 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 13.94/7.14 [2019-03-29 01:49:18,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.94/7.14 [2019-03-29 01:49:18,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.94/7.14 [2019-03-29 01:49:18,563 INFO L87 Difference]: Start difference. First operand 5 states and 8 transitions. Second operand 3 states. 13.94/7.14 [2019-03-29 01:49:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.94/7.14 [2019-03-29 01:49:18,572 INFO L93 Difference]: Finished difference Result 7 states and 10 transitions. 13.94/7.14 [2019-03-29 01:49:18,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.94/7.14 [2019-03-29 01:49:18,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 13.94/7.14 [2019-03-29 01:49:18,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.94/7.14 [2019-03-29 01:49:18,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 13.94/7.14 [2019-03-29 01:49:18,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.94/7.14 [2019-03-29 01:49:18,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.94/7.14 [2019-03-29 01:49:18,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 13.94/7.14 [2019-03-29 01:49:18,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.94/7.14 [2019-03-29 01:49:18,576 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 13.94/7.14 [2019-03-29 01:49:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 13.94/7.14 [2019-03-29 01:49:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 13.94/7.14 [2019-03-29 01:49:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 13.94/7.14 [2019-03-29 01:49:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,578 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,578 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,578 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.94/7.14 [2019-03-29 01:49:18,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 13.94/7.14 [2019-03-29 01:49:18,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.94/7.14 [2019-03-29 01:49:18,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.94/7.14 [2019-03-29 01:49:18,579 INFO L119 BuchiIsEmpty]: Starting construction of run 13.94/7.14 [2019-03-29 01:49:18,580 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.94/7.14 [2019-03-29 01:49:18,580 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.94/7.14 [2019-03-29 01:49:18,580 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 3)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 64#L11-2 [40] L11-2-->L12-2: Formula: (< v_ULTIMATE.start_main_~i~0_9 10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 60#L12-2 13.94/7.14 [2019-03-29 01:49:18,580 INFO L796 eck$LassoCheckResult]: Loop: 60#L12-2 [33] L12-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_9 12) (= (+ v_ULTIMATE.start_main_~j~0_9 1) v_ULTIMATE.start_main_~j~0_7)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 60#L12-2 13.94/7.14 [2019-03-29 01:49:18,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:18,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2055, now seen corresponding path program 1 times 13.94/7.14 [2019-03-29 01:49:18,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.94/7.14 [2019-03-29 01:49:18,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.94/7.14 [2019-03-29 01:49:18,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:18,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:18,588 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 13.94/7.14 [2019-03-29 01:49:18,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.94/7.14 [2019-03-29 01:49:18,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.94/7.14 [2019-03-29 01:49:18,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:18,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.14 [2019-03-29 01:49:18,593 INFO L82 PathProgramCache]: Analyzing trace with hash 63738, now seen corresponding path program 1 times 13.94/7.14 [2019-03-29 01:49:18,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.94/7.14 [2019-03-29 01:49:18,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.94/7.14 [2019-03-29 01:49:18,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.94/7.14 [2019-03-29 01:49:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.94/7.14 [2019-03-29 01:49:18,610 INFO L216 LassoAnalysis]: Preferences: 13.94/7.14 [2019-03-29 01:49:18,610 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.94/7.14 [2019-03-29 01:49:18,610 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.94/7.14 [2019-03-29 01:49:18,610 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.94/7.14 [2019-03-29 01:49:18,611 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.94/7.14 [2019-03-29 01:49:18,611 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.14 [2019-03-29 01:49:18,611 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.94/7.14 [2019-03-29 01:49:18,611 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.94/7.14 [2019-03-29 01:49:18,611 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.94/7.14 [2019-03-29 01:49:18,611 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.94/7.14 [2019-03-29 01:49:18,611 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.94/7.14 [2019-03-29 01:49:18,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.14 [2019-03-29 01:49:18,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.15 [2019-03-29 01:49:18,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.15 [2019-03-29 01:49:18,654 INFO L300 LassoAnalysis]: Preprocessing complete. 13.94/7.15 [2019-03-29 01:49:18,655 INFO L412 LassoAnalysis]: Checking for nontermination... 13.94/7.15 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.15 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.15 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.15 [2019-03-29 01:49:18,659 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.94/7.15 [2019-03-29 01:49:18,659 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.15 [2019-03-29 01:49:18,686 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.94/7.15 [2019-03-29 01:49:18,686 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.94/7.15 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.15 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.15 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.15 [2019-03-29 01:49:18,692 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.94/7.15 [2019-03-29 01:49:18,692 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.15 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.94/7.15 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.94/7.15 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.94/7.15 [2019-03-29 01:49:18,724 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.94/7.15 [2019-03-29 01:49:18,724 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.94/7.15 [2019-03-29 01:49:18,754 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.94/7.15 [2019-03-29 01:49:18,756 INFO L216 LassoAnalysis]: Preferences: 13.94/7.15 [2019-03-29 01:49:18,756 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.94/7.15 [2019-03-29 01:49:18,756 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.94/7.15 [2019-03-29 01:49:18,756 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.94/7.15 [2019-03-29 01:49:18,756 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.94/7.15 [2019-03-29 01:49:18,756 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.94/7.15 [2019-03-29 01:49:18,757 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.94/7.15 [2019-03-29 01:49:18,757 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.94/7.15 [2019-03-29 01:49:18,757 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.94/7.15 [2019-03-29 01:49:18,757 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.94/7.15 [2019-03-29 01:49:18,757 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.94/7.15 [2019-03-29 01:49:18,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.15 [2019-03-29 01:49:18,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.15 [2019-03-29 01:49:18,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.94/7.15 [2019-03-29 01:49:18,802 INFO L300 LassoAnalysis]: Preprocessing complete. 13.94/7.15 [2019-03-29 01:49:18,803 INFO L497 LassoAnalysis]: Using template 'affine'. 13.94/7.15 [2019-03-29 01:49:18,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.94/7.15 Termination analysis: LINEAR_WITH_GUESSES 13.94/7.15 Number of strict supporting invariants: 0 13.94/7.15 Number of non-strict supporting invariants: 1 13.94/7.15 Consider only non-deceasing supporting invariants: true 13.94/7.15 Simplify termination arguments: true 13.94/7.15 Simplify supporting invariants: trueOverapproximate stem: false 13.94/7.15 [2019-03-29 01:49:18,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.94/7.15 [2019-03-29 01:49:18,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.94/7.15 [2019-03-29 01:49:18,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.94/7.15 [2019-03-29 01:49:18,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.94/7.15 [2019-03-29 01:49:18,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.94/7.15 [2019-03-29 01:49:18,805 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.94/7.15 [2019-03-29 01:49:18,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.94/7.15 [2019-03-29 01:49:18,810 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.94/7.15 [2019-03-29 01:49:18,814 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.94/7.15 [2019-03-29 01:49:18,814 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 13.94/7.15 [2019-03-29 01:49:18,815 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.94/7.15 [2019-03-29 01:49:18,815 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.94/7.15 [2019-03-29 01:49:18,815 INFO L518 LassoAnalysis]: Proved termination. 13.94/7.15 [2019-03-29 01:49:18,816 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.94/7.15 Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 23 13.94/7.15 Supporting invariants [] 13.94/7.15 [2019-03-29 01:49:18,816 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.94/7.15 [2019-03-29 01:49:18,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.94/7.15 [2019-03-29 01:49:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.94/7.15 [2019-03-29 01:49:18,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 13.94/7.15 [2019-03-29 01:49:18,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.94/7.15 [2019-03-29 01:49:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.94/7.15 [2019-03-29 01:49:18,850 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 13.94/7.15 [2019-03-29 01:49:18,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.94/7.15 [2019-03-29 01:49:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.94/7.15 [2019-03-29 01:49:18,851 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.94/7.15 [2019-03-29 01:49:18,851 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 13.94/7.15 [2019-03-29 01:49:18,851 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. 13.94/7.15 [2019-03-29 01:49:18,861 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 12 states and 17 transitions. Complement of second has 6 states. 13.94/7.15 [2019-03-29 01:49:18,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 13.94/7.15 [2019-03-29 01:49:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.94/7.15 [2019-03-29 01:49:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 13.94/7.15 [2019-03-29 01:49:18,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. 13.94/7.15 [2019-03-29 01:49:18,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.94/7.15 [2019-03-29 01:49:18,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. 13.94/7.15 [2019-03-29 01:49:18,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.94/7.15 [2019-03-29 01:49:18,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. 13.94/7.15 [2019-03-29 01:49:18,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.94/7.15 [2019-03-29 01:49:18,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. 13.94/7.15 [2019-03-29 01:49:18,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.94/7.15 [2019-03-29 01:49:18,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. 13.94/7.15 [2019-03-29 01:49:18,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.94/7.15 [2019-03-29 01:49:18,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.94/7.15 [2019-03-29 01:49:18,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.94/7.15 [2019-03-29 01:49:18,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.94/7.15 [2019-03-29 01:49:18,866 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.94/7.15 [2019-03-29 01:49:18,866 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.94/7.15 [2019-03-29 01:49:18,866 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.94/7.15 [2019-03-29 01:49:18,866 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.94/7.15 [2019-03-29 01:49:18,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.94/7.15 [2019-03-29 01:49:18,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.94/7.15 [2019-03-29 01:49:18,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.94/7.15 [2019-03-29 01:49:18,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:49:18 BasicIcfg 13.94/7.15 [2019-03-29 01:49:18,875 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.94/7.15 [2019-03-29 01:49:18,875 INFO L168 Benchmark]: Toolchain (without parser) took 2003.37 ms. Allocated memory was 649.6 MB in the beginning and 672.7 MB in the end (delta: 23.1 MB). Free memory was 564.4 MB in the beginning and 478.4 MB in the end (delta: 85.9 MB). Peak memory consumption was 109.0 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,877 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.90 ms. Allocated memory was 649.6 MB in the beginning and 672.7 MB in the end (delta: 23.1 MB). Free memory was 563.3 MB in the beginning and 639.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.03 ms. Allocated memory is still 672.7 MB. Free memory was 639.4 MB in the beginning and 638.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,879 INFO L168 Benchmark]: Boogie Preprocessor took 21.96 ms. Allocated memory is still 672.7 MB. Free memory was 638.3 MB in the beginning and 635.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,880 INFO L168 Benchmark]: RCFGBuilder took 205.65 ms. Allocated memory is still 672.7 MB. Free memory was 635.5 MB in the beginning and 621.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,881 INFO L168 Benchmark]: BlockEncodingV2 took 77.66 ms. Allocated memory is still 672.7 MB. Free memory was 620.7 MB in the beginning and 616.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,881 INFO L168 Benchmark]: TraceAbstraction took 154.82 ms. Allocated memory is still 672.7 MB. Free memory was 615.3 MB in the beginning and 606.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,882 INFO L168 Benchmark]: BuchiAutomizer took 1215.98 ms. Allocated memory is still 672.7 MB. Free memory was 606.5 MB in the beginning and 478.4 MB in the end (delta: 128.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 50.3 GB. 13.94/7.15 [2019-03-29 01:49:18,886 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.94/7.15 --- Results --- 13.94/7.15 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.94/7.15 - StatisticsResult: Initial Icfg 13.94/7.15 8 locations, 11 edges 13.94/7.15 - StatisticsResult: Encoded RCFG 13.94/7.15 3 locations, 4 edges 13.94/7.15 * Results from de.uni_freiburg.informatik.ultimate.core: 13.94/7.15 - StatisticsResult: Toolchain Benchmarks 13.94/7.15 Benchmark results are: 13.94/7.15 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.94/7.15 * CACSL2BoogieTranslator took 284.90 ms. Allocated memory was 649.6 MB in the beginning and 672.7 MB in the end (delta: 23.1 MB). Free memory was 563.3 MB in the beginning and 639.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 13.94/7.15 * Boogie Procedure Inliner took 37.03 ms. Allocated memory is still 672.7 MB. Free memory was 639.4 MB in the beginning and 638.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.94/7.15 * Boogie Preprocessor took 21.96 ms. Allocated memory is still 672.7 MB. Free memory was 638.3 MB in the beginning and 635.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.94/7.15 * RCFGBuilder took 205.65 ms. Allocated memory is still 672.7 MB. Free memory was 635.5 MB in the beginning and 621.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 50.3 GB. 13.94/7.15 * BlockEncodingV2 took 77.66 ms. Allocated memory is still 672.7 MB. Free memory was 620.7 MB in the beginning and 616.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 13.94/7.15 * TraceAbstraction took 154.82 ms. Allocated memory is still 672.7 MB. Free memory was 615.3 MB in the beginning and 606.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 13.94/7.15 * BuchiAutomizer took 1215.98 ms. Allocated memory is still 672.7 MB. Free memory was 606.5 MB in the beginning and 478.4 MB in the end (delta: 128.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 50.3 GB. 13.94/7.15 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.94/7.15 - AllSpecificationsHoldResult: All specifications hold 13.94/7.15 We were not able to verify any specifiation because the program does not contain any specification. 13.94/7.15 - InvariantResult [Line: 12]: Loop Invariant 13.94/7.15 Derived loop invariant: 1 13.94/7.15 - InvariantResult [Line: 11]: Loop Invariant 13.94/7.15 Derived loop invariant: 1 13.94/7.15 - StatisticsResult: Ultimate Automizer benchmark data 13.94/7.15 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.94/7.15 - StatisticsResult: Constructed decomposition of program 13.94/7.15 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One nondeterministic module has affine ranking function -2 * j + 23 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 13.94/7.15 - StatisticsResult: Timing statistics 13.94/7.15 BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 15 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.94/7.15 - TerminationAnalysisResult: Termination proven 13.94/7.15 Buchi Automizer proved that your program is terminating 13.94/7.15 RESULT: Ultimate proved your program to be correct! 13.94/7.15 !SESSION 2019-03-29 01:49:13.307 ----------------------------------------------- 13.94/7.15 eclipse.buildId=unknown 13.94/7.15 java.version=1.8.0_181 13.94/7.15 java.vendor=Oracle Corporation 13.94/7.15 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.94/7.15 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.94/7.15 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 13.94/7.15 13.94/7.15 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:49:19.121 13.94/7.15 !MESSAGE The workspace will exit with unsaved changes in this session. 13.94/7.15 Received shutdown request... 13.94/7.15 Ultimate: 13.94/7.15 GTK+ Version Check 13.94/7.15 EOF