13.25/7.78 YES 13.25/7.78 13.25/7.78 Ultimate: Cannot open display: 13.25/7.78 This is Ultimate 0.1.24-8dc7c08-m 13.25/7.78 [2019-03-28 11:55:03,923 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.25/7.78 [2019-03-28 11:55:03,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.25/7.78 [2019-03-28 11:55:03,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.25/7.78 [2019-03-28 11:55:03,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.25/7.78 [2019-03-28 11:55:03,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.25/7.78 [2019-03-28 11:55:03,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.25/7.78 [2019-03-28 11:55:03,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.25/7.78 [2019-03-28 11:55:03,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.25/7.78 [2019-03-28 11:55:03,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.25/7.78 [2019-03-28 11:55:03,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.25/7.78 [2019-03-28 11:55:03,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.25/7.78 [2019-03-28 11:55:03,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.25/7.78 [2019-03-28 11:55:03,948 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.25/7.78 [2019-03-28 11:55:03,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.25/7.78 [2019-03-28 11:55:03,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.25/7.78 [2019-03-28 11:55:03,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.25/7.78 [2019-03-28 11:55:03,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.25/7.78 [2019-03-28 11:55:03,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.25/7.78 [2019-03-28 11:55:03,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.25/7.78 [2019-03-28 11:55:03,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.25/7.78 [2019-03-28 11:55:03,960 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.25/7.78 [2019-03-28 11:55:03,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.25/7.78 [2019-03-28 11:55:03,961 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.25/7.78 [2019-03-28 11:55:03,962 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.25/7.78 [2019-03-28 11:55:03,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.25/7.78 [2019-03-28 11:55:03,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.25/7.78 [2019-03-28 11:55:03,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.25/7.78 [2019-03-28 11:55:03,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.25/7.78 [2019-03-28 11:55:03,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.25/7.78 [2019-03-28 11:55:03,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.25/7.78 [2019-03-28 11:55:03,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.25/7.78 [2019-03-28 11:55:03,967 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.25/7.78 [2019-03-28 11:55:03,982 INFO L110 SettingsManager]: Loading preferences was successful 13.25/7.78 [2019-03-28 11:55:03,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.25/7.78 [2019-03-28 11:55:03,983 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.25/7.78 [2019-03-28 11:55:03,983 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.25/7.78 [2019-03-28 11:55:03,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.25/7.78 [2019-03-28 11:55:03,984 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.25/7.78 [2019-03-28 11:55:03,984 INFO L133 SettingsManager]: * Use SBE=true 13.25/7.78 [2019-03-28 11:55:03,984 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.25/7.78 [2019-03-28 11:55:03,984 INFO L133 SettingsManager]: * Use old map elimination=false 13.25/7.78 [2019-03-28 11:55:03,984 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.25/7.78 [2019-03-28 11:55:03,985 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.25/7.78 [2019-03-28 11:55:03,985 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.25/7.78 [2019-03-28 11:55:03,985 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.25/7.78 [2019-03-28 11:55:03,985 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.25/7.78 [2019-03-28 11:55:03,985 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/7.78 [2019-03-28 11:55:03,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.25/7.78 [2019-03-28 11:55:03,986 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.25/7.78 [2019-03-28 11:55:03,986 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.25/7.78 [2019-03-28 11:55:03,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.25/7.78 [2019-03-28 11:55:03,986 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.25/7.78 [2019-03-28 11:55:03,986 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.25/7.78 [2019-03-28 11:55:03,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.25/7.78 [2019-03-28 11:55:03,987 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.25/7.78 [2019-03-28 11:55:03,987 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.25/7.78 [2019-03-28 11:55:03,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.25/7.78 [2019-03-28 11:55:03,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.25/7.78 [2019-03-28 11:55:03,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.25/7.78 [2019-03-28 11:55:03,988 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.25/7.78 [2019-03-28 11:55:03,988 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.25/7.78 [2019-03-28 11:55:04,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.25/7.78 [2019-03-28 11:55:04,032 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.25/7.78 [2019-03-28 11:55:04,036 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.25/7.78 [2019-03-28 11:55:04,037 INFO L271 PluginConnector]: Initializing CDTParser... 13.25/7.78 [2019-03-28 11:55:04,038 INFO L276 PluginConnector]: CDTParser initialized 13.25/7.78 [2019-03-28 11:55:04,038 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/7.78 [2019-03-28 11:55:04,116 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/da2bfc4c3e394cb197efbd27fc22c38a/FLAGc4668cf19 13.25/7.78 [2019-03-28 11:55:04,688 INFO L307 CDTParser]: Found 1 translation units. 13.25/7.78 [2019-03-28 11:55:04,689 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/7.78 [2019-03-28 11:55:04,696 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/da2bfc4c3e394cb197efbd27fc22c38a/FLAGc4668cf19 13.25/7.78 [2019-03-28 11:55:05,092 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/da2bfc4c3e394cb197efbd27fc22c38a 13.25/7.78 [2019-03-28 11:55:05,104 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.25/7.78 [2019-03-28 11:55:05,105 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.25/7.78 [2019-03-28 11:55:05,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.25/7.78 [2019-03-28 11:55:05,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.25/7.78 [2019-03-28 11:55:05,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.25/7.78 [2019-03-28 11:55:05,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6d7868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.25/7.78 [2019-03-28 11:55:05,141 INFO L176 MainTranslator]: Built tables and reachable declarations 13.25/7.78 [2019-03-28 11:55:05,295 INFO L206 PostProcessor]: Analyzing one entry point: main 13.25/7.78 [2019-03-28 11:55:05,300 INFO L191 MainTranslator]: Completed pre-run 13.25/7.78 [2019-03-28 11:55:05,315 INFO L206 PostProcessor]: Analyzing one entry point: main 13.25/7.78 [2019-03-28 11:55:05,330 INFO L195 MainTranslator]: Completed translation 13.25/7.78 [2019-03-28 11:55:05,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05 WrapperNode 13.25/7.78 [2019-03-28 11:55:05,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.25/7.78 [2019-03-28 11:55:05,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.25/7.78 [2019-03-28 11:55:05,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.25/7.78 [2019-03-28 11:55:05,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.25/7.78 [2019-03-28 11:55:05,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.25/7.78 [2019-03-28 11:55:05,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.25/7.78 [2019-03-28 11:55:05,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.25/7.78 [2019-03-28 11:55:05,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.25/7.78 [2019-03-28 11:55:05,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.25/7.78 [2019-03-28 11:55:05,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.25/7.78 [2019-03-28 11:55:05,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.25/7.78 [2019-03-28 11:55:05,441 INFO L276 PluginConnector]: RCFGBuilder initialized 13.25/7.78 [2019-03-28 11:55:05,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (1/1) ... 13.25/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/7.78 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.25/7.78 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.25/7.78 [2019-03-28 11:55:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.25/7.78 [2019-03-28 11:55:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.25/7.78 [2019-03-28 11:55:05,634 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.25/7.78 [2019-03-28 11:55:05,635 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.25/7.78 [2019-03-28 11:55:05,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:05 BoogieIcfgContainer 13.25/7.78 [2019-03-28 11:55:05,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.25/7.78 [2019-03-28 11:55:05,637 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.25/7.78 [2019-03-28 11:55:05,637 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.25/7.78 [2019-03-28 11:55:05,639 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.25/7.78 [2019-03-28 11:55:05,640 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:05" (1/1) ... 13.25/7.78 [2019-03-28 11:55:05,654 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 13.25/7.78 [2019-03-28 11:55:05,656 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.25/7.78 [2019-03-28 11:55:05,656 INFO L263 BlockEncoder]: Using Maximize final states 13.25/7.78 [2019-03-28 11:55:05,657 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.25/7.78 [2019-03-28 11:55:05,657 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.25/7.78 [2019-03-28 11:55:05,659 INFO L296 BlockEncoder]: Using Remove sink states 13.25/7.78 [2019-03-28 11:55:05,660 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.25/7.78 [2019-03-28 11:55:05,660 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.25/7.78 [2019-03-28 11:55:05,675 INFO L185 BlockEncoder]: Using Use SBE 13.25/7.78 [2019-03-28 11:55:05,689 INFO L200 BlockEncoder]: SBE split 2 edges 13.25/7.78 [2019-03-28 11:55:05,694 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.25/7.78 [2019-03-28 11:55:05,696 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.25/7.78 [2019-03-28 11:55:05,705 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.25/7.78 [2019-03-28 11:55:05,707 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.25/7.78 [2019-03-28 11:55:05,709 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.25/7.78 [2019-03-28 11:55:05,709 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.25/7.78 [2019-03-28 11:55:05,709 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.25/7.78 [2019-03-28 11:55:05,709 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.25/7.78 [2019-03-28 11:55:05,710 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 13.25/7.78 [2019-03-28 11:55:05,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:05 BasicIcfg 13.25/7.78 [2019-03-28 11:55:05,710 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.25/7.78 [2019-03-28 11:55:05,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.25/7.78 [2019-03-28 11:55:05,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.25/7.78 [2019-03-28 11:55:05,715 INFO L276 PluginConnector]: TraceAbstraction initialized 13.25/7.78 [2019-03-28 11:55:05,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:55:05" (1/4) ... 13.25/7.78 [2019-03-28 11:55:05,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2a2766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (2/4) ... 13.25/7.78 [2019-03-28 11:55:05,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2a2766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:05" (3/4) ... 13.25/7.78 [2019-03-28 11:55:05,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2a2766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:05" (4/4) ... 13.25/7.78 [2019-03-28 11:55:05,718 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.25/7.78 [2019-03-28 11:55:05,728 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.25/7.78 [2019-03-28 11:55:05,735 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.25/7.78 [2019-03-28 11:55:05,752 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.25/7.78 [2019-03-28 11:55:05,780 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.25/7.78 [2019-03-28 11:55:05,781 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.25/7.78 [2019-03-28 11:55:05,781 INFO L383 AbstractCegarLoop]: Hoare is true 13.25/7.78 [2019-03-28 11:55:05,781 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.25/7.78 [2019-03-28 11:55:05,781 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.25/7.78 [2019-03-28 11:55:05,781 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.25/7.78 [2019-03-28 11:55:05,782 INFO L387 AbstractCegarLoop]: Difference is false 13.25/7.78 [2019-03-28 11:55:05,782 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.25/7.78 [2019-03-28 11:55:05,782 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.25/7.78 [2019-03-28 11:55:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.25/7.78 [2019-03-28 11:55:05,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.25/7.78 [2019-03-28 11:55:05,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.25/7.78 [2019-03-28 11:55:05,853 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. 13.25/7.78 [2019-03-28 11:55:05,853 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 16 22) the Hoare annotation is: true 13.25/7.78 [2019-03-28 11:55:05,853 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.25/7.78 [2019-03-28 11:55:05,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:05 BasicIcfg 13.25/7.78 [2019-03-28 11:55:05,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.25/7.78 [2019-03-28 11:55:05,862 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.25/7.78 [2019-03-28 11:55:05,862 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.25/7.78 [2019-03-28 11:55:05,865 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.25/7.78 [2019-03-28 11:55:05,866 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/7.78 [2019-03-28 11:55:05,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:55:05" (1/5) ... 13.25/7.78 [2019-03-28 11:55:05,867 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@221bc65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,867 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/7.78 [2019-03-28 11:55:05,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:05" (2/5) ... 13.25/7.78 [2019-03-28 11:55:05,868 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@221bc65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,868 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/7.78 [2019-03-28 11:55:05,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:05" (3/5) ... 13.25/7.78 [2019-03-28 11:55:05,868 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@221bc65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,869 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/7.78 [2019-03-28 11:55:05,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:05" (4/5) ... 13.25/7.78 [2019-03-28 11:55:05,869 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@221bc65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:05, skipping insertion in model container 13.25/7.78 [2019-03-28 11:55:05,869 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/7.78 [2019-03-28 11:55:05,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:05" (5/5) ... 13.25/7.78 [2019-03-28 11:55:05,871 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.25/7.78 [2019-03-28 11:55:05,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.25/7.78 [2019-03-28 11:55:05,898 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.25/7.78 [2019-03-28 11:55:05,898 INFO L375 BuchiCegarLoop]: Hoare is true 13.25/7.78 [2019-03-28 11:55:05,899 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.25/7.78 [2019-03-28 11:55:05,899 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.25/7.78 [2019-03-28 11:55:05,899 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.25/7.78 [2019-03-28 11:55:05,899 INFO L379 BuchiCegarLoop]: Difference is false 13.25/7.78 [2019-03-28 11:55:05,899 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.25/7.78 [2019-03-28 11:55:05,899 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.25/7.78 [2019-03-28 11:55:05,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.25/7.78 [2019-03-28 11:55:05,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.25/7.78 [2019-03-28 11:55:05,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/7.78 [2019-03-28 11:55:05,920 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/7.78 [2019-03-28 11:55:05,927 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.25/7.78 [2019-03-28 11:55:05,927 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.25/7.78 [2019-03-28 11:55:05,927 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.25/7.78 [2019-03-28 11:55:05,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.25/7.78 [2019-03-28 11:55:05,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.25/7.78 [2019-03-28 11:55:05,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/7.78 [2019-03-28 11:55:05,928 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/7.78 [2019-03-28 11:55:05,929 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.25/7.78 [2019-03-28 11:55:05,929 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.25/7.78 [2019-03-28 11:55:05,934 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~tx~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~tx~0, ULTIMATE.start_main_~x~0] 3#L17-2true 13.25/7.78 [2019-03-28 11:55:05,934 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [26] L17-2-->L17: Formula: (and (<= 0 v_ULTIMATE.start_main_~tx~0_5) (<= v_ULTIMATE.start_main_~y~0_5 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 5#L17true [37] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ (* (- 1) v_ULTIMATE.start_main_~tx~0_6) v_ULTIMATE.start_main_~x~0_7 (- 1))) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~tx~0=v_ULTIMATE.start_main_~tx~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 3#L17-2true 13.25/7.78 [2019-03-28 11:55:05,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/7.78 [2019-03-28 11:55:05,941 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 13.25/7.78 [2019-03-28 11:55:05,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/7.78 [2019-03-28 11:55:05,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/7.78 [2019-03-28 11:55:05,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:05,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:05,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/7.78 [2019-03-28 11:55:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/7.78 [2019-03-28 11:55:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/7.78 [2019-03-28 11:55:06,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1804, now seen corresponding path program 1 times 13.25/7.78 [2019-03-28 11:55:06,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/7.78 [2019-03-28 11:55:06,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/7.78 [2019-03-28 11:55:06,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:06,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:06,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/7.78 [2019-03-28 11:55:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/7.78 [2019-03-28 11:55:06,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/7.78 [2019-03-28 11:55:06,050 INFO L82 PathProgramCache]: Analyzing trace with hash 56581, now seen corresponding path program 1 times 13.25/7.78 [2019-03-28 11:55:06,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/7.78 [2019-03-28 11:55:06,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/7.78 [2019-03-28 11:55:06,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:06,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:06,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/7.78 [2019-03-28 11:55:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/7.78 [2019-03-28 11:55:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/7.78 [2019-03-28 11:55:06,110 INFO L216 LassoAnalysis]: Preferences: 13.25/7.78 [2019-03-28 11:55:06,112 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.25/7.78 [2019-03-28 11:55:06,112 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.25/7.78 [2019-03-28 11:55:06,112 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.25/7.78 [2019-03-28 11:55:06,112 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.25/7.78 [2019-03-28 11:55:06,112 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/7.78 [2019-03-28 11:55:06,113 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.25/7.78 [2019-03-28 11:55:06,113 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.25/7.78 [2019-03-28 11:55:06,113 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.25/7.78 [2019-03-28 11:55:06,113 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.25/7.78 [2019-03-28 11:55:06,113 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.25/7.78 [2019-03-28 11:55:06,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/7.78 [2019-03-28 11:55:06,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/7.78 [2019-03-28 11:55:06,204 INFO L300 LassoAnalysis]: Preprocessing complete. 13.25/7.78 [2019-03-28 11:55:06,205 INFO L412 LassoAnalysis]: Checking for nontermination... 13.25/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/7.78 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.25/7.78 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/7.78 [2019-03-28 11:55:06,213 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.25/7.78 [2019-03-28 11:55:06,213 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.25/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/7.78 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.25/7.78 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/7.78 [2019-03-28 11:55:06,250 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.25/7.78 [2019-03-28 11:55:06,250 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.25/7.78 [2019-03-28 11:55:06,740 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.25/7.78 [2019-03-28 11:55:06,743 INFO L216 LassoAnalysis]: Preferences: 13.25/7.78 [2019-03-28 11:55:06,743 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.25/7.78 [2019-03-28 11:55:06,743 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.25/7.78 [2019-03-28 11:55:06,743 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.25/7.78 [2019-03-28 11:55:06,744 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.25/7.78 [2019-03-28 11:55:06,744 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.25/7.78 [2019-03-28 11:55:06,744 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.25/7.78 [2019-03-28 11:55:06,744 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.25/7.78 [2019-03-28 11:55:06,744 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.25/7.78 [2019-03-28 11:55:06,744 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.25/7.78 [2019-03-28 11:55:06,744 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.25/7.78 [2019-03-28 11:55:06,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/7.78 [2019-03-28 11:55:06,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/7.78 [2019-03-28 11:55:06,800 INFO L300 LassoAnalysis]: Preprocessing complete. 13.25/7.78 [2019-03-28 11:55:06,806 INFO L497 LassoAnalysis]: Using template 'affine'. 13.25/7.78 [2019-03-28 11:55:06,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.25/7.78 Termination analysis: LINEAR_WITH_GUESSES 13.25/7.78 Number of strict supporting invariants: 0 13.25/7.78 Number of non-strict supporting invariants: 1 13.25/7.78 Consider only non-deceasing supporting invariants: true 13.25/7.78 Simplify termination arguments: true 13.25/7.78 Simplify supporting invariants: trueOverapproximate stem: false 13.25/7.78 [2019-03-28 11:55:06,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.25/7.78 [2019-03-28 11:55:06,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.25/7.78 [2019-03-28 11:55:06,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.25/7.78 [2019-03-28 11:55:06,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.25/7.78 [2019-03-28 11:55:06,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.25/7.78 [2019-03-28 11:55:06,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.25/7.78 [2019-03-28 11:55:06,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.25/7.78 [2019-03-28 11:55:06,823 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.25/7.78 [2019-03-28 11:55:06,832 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.25/7.78 [2019-03-28 11:55:06,832 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 13.25/7.78 [2019-03-28 11:55:06,835 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.25/7.78 [2019-03-28 11:55:06,835 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.25/7.78 [2019-03-28 11:55:06,836 INFO L518 LassoAnalysis]: Proved termination. 13.25/7.78 [2019-03-28 11:55:06,836 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.25/7.78 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~x~0 + 1 13.25/7.78 Supporting invariants [] 13.25/7.78 [2019-03-28 11:55:06,838 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.25/7.78 [2019-03-28 11:55:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/7.78 [2019-03-28 11:55:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/7.78 [2019-03-28 11:55:06,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 13.25/7.78 [2019-03-28 11:55:06,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.25/7.78 [2019-03-28 11:55:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/7.78 [2019-03-28 11:55:06,895 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 13.25/7.78 [2019-03-28 11:55:06,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.25/7.78 [2019-03-28 11:55:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.25/7.78 [2019-03-28 11:55:06,965 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 13.25/7.78 [2019-03-28 11:55:06,970 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 3 loop predicates 13.25/7.78 [2019-03-28 11:55:06,972 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.25/7.78 [2019-03-28 11:55:07,056 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 5 states and 8 transitions. Complement of second has 5 states. 13.25/7.78 [2019-03-28 11:55:07,057 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 13.25/7.78 [2019-03-28 11:55:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.25/7.78 [2019-03-28 11:55:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 13.25/7.78 [2019-03-28 11:55:07,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 13.25/7.78 [2019-03-28 11:55:07,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.25/7.78 [2019-03-28 11:55:07,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 13.25/7.78 [2019-03-28 11:55:07,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.25/7.78 [2019-03-28 11:55:07,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 13.25/7.78 [2019-03-28 11:55:07,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.25/7.78 [2019-03-28 11:55:07,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 8 transitions. 13.25/7.78 [2019-03-28 11:55:07,070 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.25/7.78 [2019-03-28 11:55:07,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. 13.25/7.78 [2019-03-28 11:55:07,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.25/7.78 [2019-03-28 11:55:07,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.25/7.78 [2019-03-28 11:55:07,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.25/7.78 [2019-03-28 11:55:07,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.25/7.78 [2019-03-28 11:55:07,076 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.25/7.78 [2019-03-28 11:55:07,076 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.25/7.78 [2019-03-28 11:55:07,076 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.25/7.78 [2019-03-28 11:55:07,076 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.25/7.78 [2019-03-28 11:55:07,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.25/7.78 [2019-03-28 11:55:07,076 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.25/7.78 [2019-03-28 11:55:07,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.25/7.78 [2019-03-28 11:55:07,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:07 BasicIcfg 13.25/7.78 [2019-03-28 11:55:07,082 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.25/7.78 [2019-03-28 11:55:07,083 INFO L168 Benchmark]: Toolchain (without parser) took 1978.62 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 560.1 MB in the beginning and 538.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,085 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.23 ms. Allocated memory is still 649.6 MB. Free memory was 560.1 MB in the beginning and 550.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.85 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 549.1 MB in the beginning and 639.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,087 INFO L168 Benchmark]: Boogie Preprocessor took 19.36 ms. Allocated memory is still 672.1 MB. Free memory was 639.0 MB in the beginning and 636.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,087 INFO L168 Benchmark]: RCFGBuilder took 195.48 ms. Allocated memory is still 672.1 MB. Free memory was 636.1 MB in the beginning and 623.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,088 INFO L168 Benchmark]: BlockEncodingV2 took 73.79 ms. Allocated memory is still 672.1 MB. Free memory was 623.7 MB in the beginning and 618.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,088 INFO L168 Benchmark]: TraceAbstraction took 150.28 ms. Allocated memory is still 672.1 MB. Free memory was 618.3 MB in the beginning and 609.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,089 INFO L168 Benchmark]: BuchiAutomizer took 1220.36 ms. Allocated memory is still 672.1 MB. Free memory was 608.6 MB in the beginning and 538.6 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 50.3 GB. 13.25/7.78 [2019-03-28 11:55:07,094 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.25/7.78 --- Results --- 13.25/7.78 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.25/7.78 - StatisticsResult: Initial Icfg 13.25/7.78 7 locations, 9 edges 13.25/7.78 - StatisticsResult: Encoded RCFG 13.25/7.78 3 locations, 5 edges 13.25/7.78 * Results from de.uni_freiburg.informatik.ultimate.core: 13.25/7.78 - StatisticsResult: Toolchain Benchmarks 13.25/7.78 Benchmark results are: 13.25/7.78 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.25/7.78 * CACSL2BoogieTranslator took 224.23 ms. Allocated memory is still 649.6 MB. Free memory was 560.1 MB in the beginning and 550.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.25/7.78 * Boogie Procedure Inliner took 89.85 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 549.1 MB in the beginning and 639.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.25/7.78 * Boogie Preprocessor took 19.36 ms. Allocated memory is still 672.1 MB. Free memory was 639.0 MB in the beginning and 636.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.25/7.78 * RCFGBuilder took 195.48 ms. Allocated memory is still 672.1 MB. Free memory was 636.1 MB in the beginning and 623.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 13.25/7.78 * BlockEncodingV2 took 73.79 ms. Allocated memory is still 672.1 MB. Free memory was 623.7 MB in the beginning and 618.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.25/7.78 * TraceAbstraction took 150.28 ms. Allocated memory is still 672.1 MB. Free memory was 618.3 MB in the beginning and 609.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.25/7.78 * BuchiAutomizer took 1220.36 ms. Allocated memory is still 672.1 MB. Free memory was 608.6 MB in the beginning and 538.6 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 50.3 GB. 13.25/7.78 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.25/7.78 - AllSpecificationsHoldResult: All specifications hold 13.25/7.78 We were not able to verify any specifiation because the program does not contain any specification. 13.25/7.78 - InvariantResult [Line: 16]: Loop Invariant 13.25/7.78 Derived loop invariant: 1 13.25/7.78 - StatisticsResult: Ultimate Automizer benchmark data 13.25/7.78 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 13.25/7.78 - StatisticsResult: Constructed decomposition of program 13.25/7.78 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -2 * y + 2 * x + 1 and consists of 4 locations. 13.25/7.78 - StatisticsResult: Timing statistics 13.25/7.78 BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 14 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf89 lsp82 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 13.25/7.78 - TerminationAnalysisResult: Termination proven 13.25/7.78 Buchi Automizer proved that your program is terminating 13.25/7.78 RESULT: Ultimate proved your program to be correct! 13.25/7.78 !SESSION 2019-03-28 11:55:01.269 ----------------------------------------------- 13.25/7.78 eclipse.buildId=unknown 13.25/7.78 java.version=1.8.0_181 13.25/7.78 java.vendor=Oracle Corporation 13.25/7.78 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.25/7.78 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/7.78 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 13.25/7.78 13.25/7.78 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:55:07.325 13.25/7.78 !MESSAGE The workspace will exit with unsaved changes in this session. 13.25/7.78 Received shutdown request... 13.25/7.78 Ultimate: 13.25/7.78 GTK+ Version Check 13.25/7.78 EOF