12.95/5.93 NO 12.95/5.93 12.95/5.93 Ultimate: Cannot open display: 12.95/5.93 This is Ultimate 0.1.24-8dc7c08-m 12.95/5.93 [2019-03-29 01:56:29,947 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.95/5.93 [2019-03-29 01:56:29,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.95/5.93 [2019-03-29 01:56:29,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.95/5.93 [2019-03-29 01:56:29,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.95/5.93 [2019-03-29 01:56:29,963 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.95/5.93 [2019-03-29 01:56:29,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.95/5.93 [2019-03-29 01:56:29,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.95/5.93 [2019-03-29 01:56:29,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.95/5.93 [2019-03-29 01:56:29,967 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.95/5.93 [2019-03-29 01:56:29,968 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.95/5.93 [2019-03-29 01:56:29,969 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.95/5.93 [2019-03-29 01:56:29,970 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.95/5.93 [2019-03-29 01:56:29,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.95/5.93 [2019-03-29 01:56:29,972 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.95/5.93 [2019-03-29 01:56:29,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.95/5.93 [2019-03-29 01:56:29,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.95/5.93 [2019-03-29 01:56:29,977 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.95/5.93 [2019-03-29 01:56:29,978 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.95/5.93 [2019-03-29 01:56:29,979 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.95/5.93 [2019-03-29 01:56:29,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.95/5.93 [2019-03-29 01:56:29,982 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.95/5.93 [2019-03-29 01:56:29,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.95/5.93 [2019-03-29 01:56:29,983 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.95/5.93 [2019-03-29 01:56:29,984 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.95/5.93 [2019-03-29 01:56:29,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.95/5.93 [2019-03-29 01:56:29,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.95/5.93 [2019-03-29 01:56:29,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.95/5.93 [2019-03-29 01:56:29,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.95/5.93 [2019-03-29 01:56:29,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.95/5.93 [2019-03-29 01:56:29,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.95/5.93 [2019-03-29 01:56:29,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.95/5.93 [2019-03-29 01:56:29,990 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.95/5.93 [2019-03-29 01:56:30,004 INFO L110 SettingsManager]: Loading preferences was successful 12.95/5.93 [2019-03-29 01:56:30,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.95/5.93 [2019-03-29 01:56:30,006 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.95/5.93 [2019-03-29 01:56:30,006 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.95/5.93 [2019-03-29 01:56:30,006 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.95/5.93 [2019-03-29 01:56:30,006 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.95/5.93 [2019-03-29 01:56:30,007 INFO L133 SettingsManager]: * Use SBE=true 12.95/5.93 [2019-03-29 01:56:30,007 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.95/5.93 [2019-03-29 01:56:30,007 INFO L133 SettingsManager]: * Use old map elimination=false 12.95/5.93 [2019-03-29 01:56:30,007 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.95/5.93 [2019-03-29 01:56:30,007 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.95/5.93 [2019-03-29 01:56:30,007 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.95/5.93 [2019-03-29 01:56:30,008 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.95/5.93 [2019-03-29 01:56:30,008 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.95/5.93 [2019-03-29 01:56:30,008 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/5.93 [2019-03-29 01:56:30,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.95/5.93 [2019-03-29 01:56:30,008 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.95/5.93 [2019-03-29 01:56:30,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.95/5.93 [2019-03-29 01:56:30,009 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.95/5.93 [2019-03-29 01:56:30,009 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.95/5.93 [2019-03-29 01:56:30,009 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.95/5.93 [2019-03-29 01:56:30,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.95/5.93 [2019-03-29 01:56:30,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.95/5.93 [2019-03-29 01:56:30,009 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.95/5.93 [2019-03-29 01:56:30,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.95/5.93 [2019-03-29 01:56:30,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.95/5.93 [2019-03-29 01:56:30,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.95/5.93 [2019-03-29 01:56:30,010 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.95/5.93 [2019-03-29 01:56:30,010 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.95/5.93 [2019-03-29 01:56:30,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.95/5.93 [2019-03-29 01:56:30,048 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.95/5.93 [2019-03-29 01:56:30,052 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.95/5.93 [2019-03-29 01:56:30,053 INFO L271 PluginConnector]: Initializing CDTParser... 12.95/5.93 [2019-03-29 01:56:30,054 INFO L276 PluginConnector]: CDTParser initialized 12.95/5.93 [2019-03-29 01:56:30,054 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.95/5.93 [2019-03-29 01:56:30,119 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e935f61f20f44b578c4fa9199b0c1d34/FLAGd15e14bd5 12.95/5.93 [2019-03-29 01:56:30,457 INFO L307 CDTParser]: Found 1 translation units. 12.95/5.93 [2019-03-29 01:56:30,458 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.95/5.93 [2019-03-29 01:56:30,464 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e935f61f20f44b578c4fa9199b0c1d34/FLAGd15e14bd5 12.95/5.93 [2019-03-29 01:56:30,876 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e935f61f20f44b578c4fa9199b0c1d34 12.95/5.93 [2019-03-29 01:56:30,888 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.95/5.93 [2019-03-29 01:56:30,889 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.95/5.93 [2019-03-29 01:56:30,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.95/5.93 [2019-03-29 01:56:30,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.95/5.93 [2019-03-29 01:56:30,894 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.95/5.93 [2019-03-29 01:56:30,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:56:30" (1/1) ... 12.95/5.93 [2019-03-29 01:56:30,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62034958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:30, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:30,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:56:30" (1/1) ... 12.95/5.93 [2019-03-29 01:56:30,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.95/5.93 [2019-03-29 01:56:30,925 INFO L176 MainTranslator]: Built tables and reachable declarations 12.95/5.93 [2019-03-29 01:56:31,080 INFO L206 PostProcessor]: Analyzing one entry point: main 12.95/5.93 [2019-03-29 01:56:31,085 INFO L191 MainTranslator]: Completed pre-run 12.95/5.93 [2019-03-29 01:56:31,100 INFO L206 PostProcessor]: Analyzing one entry point: main 12.95/5.93 [2019-03-29 01:56:31,177 INFO L195 MainTranslator]: Completed translation 12.95/5.93 [2019-03-29 01:56:31,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31 WrapperNode 12.95/5.93 [2019-03-29 01:56:31,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.95/5.93 [2019-03-29 01:56:31,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.95/5.93 [2019-03-29 01:56:31,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.95/5.93 [2019-03-29 01:56:31,179 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.95/5.93 [2019-03-29 01:56:31,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.95/5.93 [2019-03-29 01:56:31,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.95/5.93 [2019-03-29 01:56:31,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.95/5.93 [2019-03-29 01:56:31,216 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.95/5.93 [2019-03-29 01:56:31,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.95/5.93 [2019-03-29 01:56:31,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.95/5.93 [2019-03-29 01:56:31,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.95/5.93 [2019-03-29 01:56:31,237 INFO L276 PluginConnector]: RCFGBuilder initialized 12.95/5.93 [2019-03-29 01:56:31,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (1/1) ... 12.95/5.93 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.95/5.93 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.95/5.93 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.95/5.93 [2019-03-29 01:56:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.95/5.93 [2019-03-29 01:56:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.95/5.93 [2019-03-29 01:56:31,430 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.95/5.93 [2019-03-29 01:56:31,430 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.95/5.93 [2019-03-29 01:56:31,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:31 BoogieIcfgContainer 12.95/5.93 [2019-03-29 01:56:31,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.95/5.93 [2019-03-29 01:56:31,432 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.95/5.93 [2019-03-29 01:56:31,432 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.95/5.93 [2019-03-29 01:56:31,435 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.95/5.93 [2019-03-29 01:56:31,436 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:31" (1/1) ... 12.95/5.93 [2019-03-29 01:56:31,451 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 12.95/5.93 [2019-03-29 01:56:31,453 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.95/5.93 [2019-03-29 01:56:31,454 INFO L263 BlockEncoder]: Using Maximize final states 12.95/5.93 [2019-03-29 01:56:31,454 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.95/5.93 [2019-03-29 01:56:31,455 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.95/5.93 [2019-03-29 01:56:31,457 INFO L296 BlockEncoder]: Using Remove sink states 12.95/5.93 [2019-03-29 01:56:31,458 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.95/5.93 [2019-03-29 01:56:31,458 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.95/5.93 [2019-03-29 01:56:31,474 INFO L185 BlockEncoder]: Using Use SBE 12.95/5.93 [2019-03-29 01:56:31,488 INFO L200 BlockEncoder]: SBE split 1 edges 12.95/5.93 [2019-03-29 01:56:31,493 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.95/5.93 [2019-03-29 01:56:31,495 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.95/5.93 [2019-03-29 01:56:31,513 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 12.95/5.93 [2019-03-29 01:56:31,515 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.95/5.93 [2019-03-29 01:56:31,517 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.95/5.93 [2019-03-29 01:56:31,517 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.95/5.93 [2019-03-29 01:56:31,517 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.95/5.93 [2019-03-29 01:56:31,517 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.95/5.93 [2019-03-29 01:56:31,518 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 12.95/5.93 [2019-03-29 01:56:31,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:56:31 BasicIcfg 12.95/5.93 [2019-03-29 01:56:31,518 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.95/5.93 [2019-03-29 01:56:31,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.95/5.93 [2019-03-29 01:56:31,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.95/5.93 [2019-03-29 01:56:31,522 INFO L276 PluginConnector]: TraceAbstraction initialized 12.95/5.93 [2019-03-29 01:56:31,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:56:30" (1/4) ... 12.95/5.93 [2019-03-29 01:56:31,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (2/4) ... 12.95/5.93 [2019-03-29 01:56:31,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:31" (3/4) ... 12.95/5.93 [2019-03-29 01:56:31,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:56:31" (4/4) ... 12.95/5.93 [2019-03-29 01:56:31,526 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.95/5.93 [2019-03-29 01:56:31,537 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.95/5.93 [2019-03-29 01:56:31,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.95/5.93 [2019-03-29 01:56:31,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.95/5.93 [2019-03-29 01:56:31,590 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.95/5.93 [2019-03-29 01:56:31,591 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.95/5.93 [2019-03-29 01:56:31,591 INFO L383 AbstractCegarLoop]: Hoare is true 12.95/5.93 [2019-03-29 01:56:31,591 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.95/5.93 [2019-03-29 01:56:31,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.95/5.93 [2019-03-29 01:56:31,592 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.95/5.93 [2019-03-29 01:56:31,592 INFO L387 AbstractCegarLoop]: Difference is false 12.95/5.93 [2019-03-29 01:56:31,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.95/5.93 [2019-03-29 01:56:31,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.95/5.93 [2019-03-29 01:56:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 12.95/5.93 [2019-03-29 01:56:31,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.95/5.93 [2019-03-29 01:56:31,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 12.95/5.93 [2019-03-29 01:56:31,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.95/5.93 [2019-03-29 01:56:31,665 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. 12.95/5.93 [2019-03-29 01:56:31,665 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 9 13) the Hoare annotation is: true 12.95/5.93 [2019-03-29 01:56:31,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:56:31 BasicIcfg 12.95/5.93 [2019-03-29 01:56:31,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.95/5.93 [2019-03-29 01:56:31,674 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.95/5.93 [2019-03-29 01:56:31,674 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.95/5.93 [2019-03-29 01:56:31,678 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.95/5.93 [2019-03-29 01:56:31,679 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/5.93 [2019-03-29 01:56:31,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:56:30" (1/5) ... 12.95/5.93 [2019-03-29 01:56:31,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,680 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/5.93 [2019-03-29 01:56:31,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:56:31" (2/5) ... 12.95/5.93 [2019-03-29 01:56:31,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,680 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/5.93 [2019-03-29 01:56:31,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:56:31" (3/5) ... 12.95/5.93 [2019-03-29 01:56:31,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,681 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/5.93 [2019-03-29 01:56:31,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:56:31" (4/5) ... 12.95/5.93 [2019-03-29 01:56:31,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:56:31, skipping insertion in model container 12.95/5.93 [2019-03-29 01:56:31,682 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/5.93 [2019-03-29 01:56:31,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:56:31" (5/5) ... 12.95/5.93 [2019-03-29 01:56:31,683 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.95/5.93 [2019-03-29 01:56:31,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.95/5.93 [2019-03-29 01:56:31,714 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.95/5.93 [2019-03-29 01:56:31,715 INFO L375 BuchiCegarLoop]: Hoare is true 12.95/5.93 [2019-03-29 01:56:31,715 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.95/5.93 [2019-03-29 01:56:31,715 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.95/5.93 [2019-03-29 01:56:31,715 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.95/5.93 [2019-03-29 01:56:31,715 INFO L379 BuchiCegarLoop]: Difference is false 12.95/5.93 [2019-03-29 01:56:31,715 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.95/5.93 [2019-03-29 01:56:31,715 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.95/5.93 [2019-03-29 01:56:31,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 12.95/5.93 [2019-03-29 01:56:31,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.95/5.93 [2019-03-29 01:56:31,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.95/5.93 [2019-03-29 01:56:31,738 INFO L119 BuchiIsEmpty]: Starting construction of run 12.95/5.93 [2019-03-29 01:56:31,744 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.95/5.93 [2019-03-29 01:56:31,745 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.95/5.93 [2019-03-29 01:56:31,745 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.95/5.93 [2019-03-29 01:56:31,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 12.95/5.93 [2019-03-29 01:56:31,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.95/5.93 [2019-03-29 01:56:31,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.95/5.93 [2019-03-29 01:56:31,746 INFO L119 BuchiIsEmpty]: Starting construction of run 12.95/5.93 [2019-03-29 01:56:31,746 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.95/5.93 [2019-03-29 01:56:31,746 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.95/5.93 [2019-03-29 01:56:31,751 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true 12.95/5.93 [2019-03-29 01:56:31,752 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [31] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 3#L10true [35] L10-->L10-2: Formula: (and (< 5 v_ULTIMATE.start_main_~i~0_9) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (- 1)))) 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_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 12.95/5.93 [2019-03-29 01:56:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:31,758 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 12.95/5.93 [2019-03-29 01:56:31,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/5.93 [2019-03-29 01:56:31,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/5.93 [2019-03-29 01:56:31,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:31,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:31,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1957, now seen corresponding path program 1 times 12.95/5.93 [2019-03-29 01:56:31,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/5.93 [2019-03-29 01:56:31,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/5.93 [2019-03-29 01:56:31,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:31,847 INFO L82 PathProgramCache]: Analyzing trace with hash 56734, now seen corresponding path program 1 times 12.95/5.93 [2019-03-29 01:56:31,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/5.93 [2019-03-29 01:56:31,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/5.93 [2019-03-29 01:56:31,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:31,896 INFO L216 LassoAnalysis]: Preferences: 12.95/5.93 [2019-03-29 01:56:31,897 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.95/5.93 [2019-03-29 01:56:31,897 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.95/5.93 [2019-03-29 01:56:31,898 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.95/5.93 [2019-03-29 01:56:31,898 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.95/5.93 [2019-03-29 01:56:31,898 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/5.93 [2019-03-29 01:56:31,898 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.95/5.93 [2019-03-29 01:56:31,898 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.95/5.93 [2019-03-29 01:56:31,898 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.95/5.93 [2019-03-29 01:56:31,899 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.95/5.93 [2019-03-29 01:56:31,899 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.95/5.93 [2019-03-29 01:56:31,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/5.93 [2019-03-29 01:56:31,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/5.93 [2019-03-29 01:56:31,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/5.93 [2019-03-29 01:56:31,998 INFO L300 LassoAnalysis]: Preprocessing complete. 12.95/5.93 [2019-03-29 01:56:31,999 INFO L412 LassoAnalysis]: Checking for nontermination... 12.95/5.93 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.95/5.93 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.95/5.93 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/5.93 [2019-03-29 01:56:32,007 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.95/5.93 [2019-03-29 01:56:32,007 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.95/5.93 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.95/5.93 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.95/5.93 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/5.93 [2019-03-29 01:56:32,041 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.95/5.93 [2019-03-29 01:56:32,041 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.95/5.93 [2019-03-29 01:56:32,073 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.95/5.93 [2019-03-29 01:56:32,076 INFO L216 LassoAnalysis]: Preferences: 12.95/5.93 [2019-03-29 01:56:32,076 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.95/5.93 [2019-03-29 01:56:32,076 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.95/5.93 [2019-03-29 01:56:32,076 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.95/5.93 [2019-03-29 01:56:32,076 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.95/5.93 [2019-03-29 01:56:32,076 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.95/5.93 [2019-03-29 01:56:32,077 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.95/5.93 [2019-03-29 01:56:32,077 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.95/5.93 [2019-03-29 01:56:32,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.95/5.93 [2019-03-29 01:56:32,077 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.95/5.93 [2019-03-29 01:56:32,077 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.95/5.93 [2019-03-29 01:56:32,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/5.93 [2019-03-29 01:56:32,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/5.93 [2019-03-29 01:56:32,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/5.93 [2019-03-29 01:56:32,150 INFO L300 LassoAnalysis]: Preprocessing complete. 12.95/5.93 [2019-03-29 01:56:32,156 INFO L497 LassoAnalysis]: Using template 'affine'. 12.95/5.93 [2019-03-29 01:56:32,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.95/5.93 Termination analysis: LINEAR_WITH_GUESSES 12.95/5.93 Number of strict supporting invariants: 0 12.95/5.93 Number of non-strict supporting invariants: 1 12.95/5.93 Consider only non-deceasing supporting invariants: true 12.95/5.93 Simplify termination arguments: true 12.95/5.93 Simplify supporting invariants: trueOverapproximate stem: false 12.95/5.93 [2019-03-29 01:56:32,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.95/5.93 [2019-03-29 01:56:32,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.95/5.93 [2019-03-29 01:56:32,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.95/5.93 [2019-03-29 01:56:32,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.95/5.93 [2019-03-29 01:56:32,161 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.95/5.93 [2019-03-29 01:56:32,163 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.95/5.93 [2019-03-29 01:56:32,163 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.95/5.93 [2019-03-29 01:56:32,172 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.95/5.93 [2019-03-29 01:56:32,178 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.95/5.93 [2019-03-29 01:56:32,179 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 12.95/5.93 [2019-03-29 01:56:32,181 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.95/5.93 [2019-03-29 01:56:32,181 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.95/5.93 [2019-03-29 01:56:32,181 INFO L518 LassoAnalysis]: Proved termination. 12.95/5.93 [2019-03-29 01:56:32,182 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.95/5.93 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 12.95/5.93 Supporting invariants [] 12.95/5.93 [2019-03-29 01:56:32,183 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.95/5.93 [2019-03-29 01:56:32,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.95/5.93 [2019-03-29 01:56:32,216 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 12.95/5.93 [2019-03-29 01:56:32,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.95/5.93 [2019-03-29 01:56:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.95/5.93 [2019-03-29 01:56:32,226 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 12.95/5.93 [2019-03-29 01:56:32,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.95/5.93 [2019-03-29 01:56:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.95/5.93 [2019-03-29 01:56:32,271 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 12.95/5.93 [2019-03-29 01:56:32,276 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 12.95/5.93 [2019-03-29 01:56:32,278 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 12.95/5.93 [2019-03-29 01:56:32,339 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 9 states and 14 transitions. Complement of second has 5 states. 12.95/5.93 [2019-03-29 01:56:32,340 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 12.95/5.93 [2019-03-29 01:56:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 12.95/5.93 [2019-03-29 01:56:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 12.95/5.93 [2019-03-29 01:56:32,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. 12.95/5.93 [2019-03-29 01:56:32,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/5.93 [2019-03-29 01:56:32,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 12.95/5.93 [2019-03-29 01:56:32,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/5.93 [2019-03-29 01:56:32,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. 12.95/5.93 [2019-03-29 01:56:32,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/5.93 [2019-03-29 01:56:32,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 14 transitions. 12.95/5.93 [2019-03-29 01:56:32,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.95/5.93 [2019-03-29 01:56:32,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 14 transitions. 12.95/5.93 [2019-03-29 01:56:32,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 12.95/5.93 [2019-03-29 01:56:32,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 12.95/5.93 [2019-03-29 01:56:32,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 14 transitions. 12.95/5.93 [2019-03-29 01:56:32,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 12.95/5.93 [2019-03-29 01:56:32,361 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. 12.95/5.93 [2019-03-29 01:56:32,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 14 transitions. 12.95/5.93 [2019-03-29 01:56:32,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. 12.95/5.93 [2019-03-29 01:56:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 12.95/5.93 [2019-03-29 01:56:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 12.95/5.93 [2019-03-29 01:56:32,391 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 12.95/5.93 [2019-03-29 01:56:32,392 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 12.95/5.93 [2019-03-29 01:56:32,392 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.95/5.93 [2019-03-29 01:56:32,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 12.95/5.93 [2019-03-29 01:56:32,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.95/5.93 [2019-03-29 01:56:32,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.95/5.93 [2019-03-29 01:56:32,393 INFO L119 BuchiIsEmpty]: Starting construction of run 12.95/5.93 [2019-03-29 01:56:32,393 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.95/5.93 [2019-03-29 01:56:32,393 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.95/5.93 [2019-03-29 01:56:32,394 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 56#L10-2 [31] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 50#L10 12.95/5.93 [2019-03-29 01:56:32,394 INFO L796 eck$LassoCheckResult]: Loop: 50#L10 [26] L10-->L10-2: Formula: (= 5 v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 51#L10-2 [31] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 50#L10 12.95/5.93 [2019-03-29 01:56:32,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:32,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1829, now seen corresponding path program 1 times 12.95/5.93 [2019-03-29 01:56:32,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/5.93 [2019-03-29 01:56:32,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/5.93 [2019-03-29 01:56:32,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times 12.95/5.93 [2019-03-29 01:56:32,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/5.93 [2019-03-29 01:56:32,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/5.93 [2019-03-29 01:56:32,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/5.93 [2019-03-29 01:56:32,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1758506, now seen corresponding path program 1 times 12.95/5.93 [2019-03-29 01:56:32,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/5.93 [2019-03-29 01:56:32,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/5.93 [2019-03-29 01:56:32,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/5.93 [2019-03-29 01:56:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/5.93 [2019-03-29 01:56:32,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:56:32 BasicIcfg 12.95/5.93 [2019-03-29 01:56:32,466 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.95/5.93 [2019-03-29 01:56:32,467 INFO L168 Benchmark]: Toolchain (without parser) took 1578.43 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 558.5 MB in the beginning and 526.6 MB in the end (delta: 31.8 MB). Peak memory consumption was 47.6 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,468 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.38 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 558.5 MB in the beginning and 631.8 MB in the end (delta: -73.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 665.3 MB. Free memory was 631.8 MB in the beginning and 630.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,470 INFO L168 Benchmark]: Boogie Preprocessor took 20.19 ms. Allocated memory is still 665.3 MB. Free memory was 630.4 MB in the beginning and 627.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,471 INFO L168 Benchmark]: RCFGBuilder took 195.32 ms. Allocated memory is still 665.3 MB. Free memory was 627.3 MB in the beginning and 614.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,472 INFO L168 Benchmark]: BlockEncodingV2 took 85.99 ms. Allocated memory is still 665.3 MB. Free memory was 614.4 MB in the beginning and 609.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,472 INFO L168 Benchmark]: TraceAbstraction took 154.72 ms. Allocated memory is still 665.3 MB. Free memory was 607.9 MB in the beginning and 599.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,473 INFO L168 Benchmark]: BuchiAutomizer took 791.87 ms. Allocated memory is still 665.3 MB. Free memory was 599.8 MB in the beginning and 526.6 MB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 50.3 GB. 12.95/5.93 [2019-03-29 01:56:32,477 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.95/5.93 --- Results --- 12.95/5.93 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.95/5.93 - StatisticsResult: Initial Icfg 12.95/5.93 7 locations, 9 edges 12.95/5.93 - StatisticsResult: Encoded RCFG 12.95/5.93 3 locations, 5 edges 12.95/5.93 * Results from de.uni_freiburg.informatik.ultimate.core: 12.95/5.93 - StatisticsResult: Toolchain Benchmarks 12.95/5.93 Benchmark results are: 12.95/5.93 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.95/5.93 * CACSL2BoogieTranslator took 288.38 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 558.5 MB in the beginning and 631.8 MB in the end (delta: -73.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 12.95/5.93 * Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 665.3 MB. Free memory was 631.8 MB in the beginning and 630.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.95/5.93 * Boogie Preprocessor took 20.19 ms. Allocated memory is still 665.3 MB. Free memory was 630.4 MB in the beginning and 627.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.95/5.93 * RCFGBuilder took 195.32 ms. Allocated memory is still 665.3 MB. Free memory was 627.3 MB in the beginning and 614.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.95/5.93 * BlockEncodingV2 took 85.99 ms. Allocated memory is still 665.3 MB. Free memory was 614.4 MB in the beginning and 609.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 12.95/5.93 * TraceAbstraction took 154.72 ms. Allocated memory is still 665.3 MB. Free memory was 607.9 MB in the beginning and 599.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.95/5.93 * BuchiAutomizer took 791.87 ms. Allocated memory is still 665.3 MB. Free memory was 599.8 MB in the beginning and 526.6 MB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 50.3 GB. 12.95/5.93 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.95/5.93 - AllSpecificationsHoldResult: All specifications hold 12.95/5.93 We were not able to verify any specifiation because the program does not contain any specification. 12.95/5.93 - InvariantResult [Line: 9]: Loop Invariant 12.95/5.93 Derived loop invariant: 1 12.95/5.93 - StatisticsResult: Ultimate Automizer benchmark data 12.95/5.93 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, 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 12.95/5.93 - StatisticsResult: Constructed decomposition of program 12.95/5.93 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i and consists of 4 locations. The remainder module has 7 locations. 12.95/5.93 - StatisticsResult: Timing statistics 12.95/5.93 BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 12.95/5.93 - TerminationAnalysisResult: Nontermination possible 12.95/5.93 Buchi Automizer proved that your program is nonterminating for some inputs 12.95/5.93 - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. 12.95/5.93 Nontermination argument in form of an infinite execution 12.95/5.93 State at position 0 is 12.95/5.93 {} 12.95/5.93 State at position 1 is 12.95/5.93 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5059a38e=0, \result=0, i=5} 12.95/5.93 - StatisticsResult: NonterminationArgumentStatistics 12.95/5.93 Fixpoint 12.95/5.93 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 12.95/5.93 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.95/5.93 Stem: 12.95/5.93 [L6] int i; 12.95/5.93 [L7] i = __VERIFIER_nondet_int() 12.95/5.93 [L9] COND TRUE i > 0 12.95/5.93 Loop: 12.95/5.93 [L10] COND FALSE !(i != 5) 12.95/5.93 [L9] COND TRUE i > 0 12.95/5.93 End of lasso representation. 12.95/5.93 RESULT: Ultimate proved your program to be incorrect! 12.95/5.93 !SESSION 2019-03-29 01:56:27.629 ----------------------------------------------- 12.95/5.93 eclipse.buildId=unknown 12.95/5.93 java.version=1.8.0_181 12.95/5.93 java.vendor=Oracle Corporation 12.95/5.93 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.95/5.93 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.95/5.93 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 12.95/5.93 12.95/5.93 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:56:32.711 12.95/5.93 !MESSAGE The workspace will exit with unsaved changes in this session. 12.95/5.93 Received shutdown request... 12.95/5.93 Ultimate: 12.95/5.93 GTK+ Version Check 12.95/5.93 EOF