15.54/7.35 YES 15.54/7.35 15.54/7.35 Ultimate: Cannot open display: 15.54/7.35 This is Ultimate 0.1.24-8dc7c08-m 15.54/7.35 [2019-03-29 02:09:59,947 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.54/7.35 [2019-03-29 02:09:59,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.54/7.35 [2019-03-29 02:09:59,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.54/7.35 [2019-03-29 02:09:59,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.54/7.35 [2019-03-29 02:09:59,963 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.54/7.35 [2019-03-29 02:09:59,965 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.54/7.35 [2019-03-29 02:09:59,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.54/7.35 [2019-03-29 02:09:59,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.54/7.35 [2019-03-29 02:09:59,968 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.54/7.35 [2019-03-29 02:09:59,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.54/7.35 [2019-03-29 02:09:59,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.54/7.35 [2019-03-29 02:09:59,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.54/7.35 [2019-03-29 02:09:59,972 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.54/7.35 [2019-03-29 02:09:59,972 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.54/7.35 [2019-03-29 02:09:59,974 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.54/7.35 [2019-03-29 02:09:59,976 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.54/7.35 [2019-03-29 02:09:59,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.54/7.35 [2019-03-29 02:09:59,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.54/7.35 [2019-03-29 02:09:59,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.54/7.35 [2019-03-29 02:09:59,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.54/7.35 [2019-03-29 02:09:59,983 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.54/7.35 [2019-03-29 02:09:59,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.54/7.35 [2019-03-29 02:09:59,984 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.54/7.35 [2019-03-29 02:09:59,985 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.54/7.35 [2019-03-29 02:09:59,986 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.54/7.35 [2019-03-29 02:09:59,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.54/7.35 [2019-03-29 02:09:59,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.54/7.35 [2019-03-29 02:09:59,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.54/7.35 [2019-03-29 02:09:59,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.54/7.35 [2019-03-29 02:09:59,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.54/7.35 [2019-03-29 02:09:59,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.54/7.35 [2019-03-29 02:09:59,991 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.54/7.35 [2019-03-29 02:10:00,005 INFO L110 SettingsManager]: Loading preferences was successful 15.54/7.35 [2019-03-29 02:10:00,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.54/7.35 [2019-03-29 02:10:00,007 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.54/7.35 [2019-03-29 02:10:00,007 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.54/7.35 [2019-03-29 02:10:00,007 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.54/7.35 [2019-03-29 02:10:00,007 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.54/7.35 [2019-03-29 02:10:00,007 INFO L133 SettingsManager]: * Use SBE=true 15.54/7.35 [2019-03-29 02:10:00,008 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.54/7.35 [2019-03-29 02:10:00,008 INFO L133 SettingsManager]: * Use old map elimination=false 15.54/7.35 [2019-03-29 02:10:00,008 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.54/7.35 [2019-03-29 02:10:00,008 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.54/7.35 [2019-03-29 02:10:00,008 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.54/7.35 [2019-03-29 02:10:00,008 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.54/7.35 [2019-03-29 02:10:00,009 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.54/7.35 [2019-03-29 02:10:00,009 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:00,009 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.54/7.35 [2019-03-29 02:10:00,009 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.54/7.35 [2019-03-29 02:10:00,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.54/7.35 [2019-03-29 02:10:00,010 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.54/7.35 [2019-03-29 02:10:00,010 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.54/7.35 [2019-03-29 02:10:00,010 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.54/7.35 [2019-03-29 02:10:00,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.54/7.35 [2019-03-29 02:10:00,010 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.54/7.35 [2019-03-29 02:10:00,010 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.54/7.35 [2019-03-29 02:10:00,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.54/7.35 [2019-03-29 02:10:00,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.54/7.35 [2019-03-29 02:10:00,011 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.54/7.35 [2019-03-29 02:10:00,011 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.54/7.35 [2019-03-29 02:10:00,011 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.54/7.35 [2019-03-29 02:10:00,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.54/7.35 [2019-03-29 02:10:00,050 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.54/7.35 [2019-03-29 02:10:00,053 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.54/7.35 [2019-03-29 02:10:00,055 INFO L271 PluginConnector]: Initializing CDTParser... 15.54/7.35 [2019-03-29 02:10:00,055 INFO L276 PluginConnector]: CDTParser initialized 15.54/7.35 [2019-03-29 02:10:00,056 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.54/7.35 [2019-03-29 02:10:00,154 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3e14fd4ca82248b98fd9f8338d3ee81e/FLAGfa9a4354a 15.54/7.35 [2019-03-29 02:10:00,506 INFO L307 CDTParser]: Found 1 translation units. 15.54/7.35 [2019-03-29 02:10:00,506 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.54/7.35 [2019-03-29 02:10:00,513 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3e14fd4ca82248b98fd9f8338d3ee81e/FLAGfa9a4354a 15.54/7.35 [2019-03-29 02:10:00,904 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3e14fd4ca82248b98fd9f8338d3ee81e 15.54/7.35 [2019-03-29 02:10:00,915 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.54/7.35 [2019-03-29 02:10:00,917 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.54/7.35 [2019-03-29 02:10:00,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.54/7.35 [2019-03-29 02:10:00,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.54/7.35 [2019-03-29 02:10:00,922 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.54/7.35 [2019-03-29 02:10:00,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:10:00" (1/1) ... 15.54/7.35 [2019-03-29 02:10:00,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74615812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:00, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:00,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:10:00" (1/1) ... 15.54/7.35 [2019-03-29 02:10:00,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.54/7.35 [2019-03-29 02:10:00,953 INFO L176 MainTranslator]: Built tables and reachable declarations 15.54/7.35 [2019-03-29 02:10:01,114 INFO L206 PostProcessor]: Analyzing one entry point: main 15.54/7.35 [2019-03-29 02:10:01,118 INFO L191 MainTranslator]: Completed pre-run 15.54/7.35 [2019-03-29 02:10:01,137 INFO L206 PostProcessor]: Analyzing one entry point: main 15.54/7.35 [2019-03-29 02:10:01,152 INFO L195 MainTranslator]: Completed translation 15.54/7.35 [2019-03-29 02:10:01,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01 WrapperNode 15.54/7.35 [2019-03-29 02:10:01,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.54/7.35 [2019-03-29 02:10:01,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.54/7.35 [2019-03-29 02:10:01,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.54/7.35 [2019-03-29 02:10:01,154 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.54/7.35 [2019-03-29 02:10:01,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.54/7.35 [2019-03-29 02:10:01,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.54/7.35 [2019-03-29 02:10:01,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.54/7.35 [2019-03-29 02:10:01,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.54/7.35 [2019-03-29 02:10:01,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.54/7.35 [2019-03-29 02:10:01,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.54/7.35 [2019-03-29 02:10:01,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.54/7.35 [2019-03-29 02:10:01,270 INFO L276 PluginConnector]: RCFGBuilder initialized 15.54/7.35 [2019-03-29 02:10:01,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (1/1) ... 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.54/7.35 [2019-03-29 02:10:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.54/7.35 [2019-03-29 02:10:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.54/7.35 [2019-03-29 02:10:01,481 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.54/7.35 [2019-03-29 02:10:01,481 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 15.54/7.35 [2019-03-29 02:10:01,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:01 BoogieIcfgContainer 15.54/7.35 [2019-03-29 02:10:01,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.54/7.35 [2019-03-29 02:10:01,483 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.54/7.35 [2019-03-29 02:10:01,484 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.54/7.35 [2019-03-29 02:10:01,486 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.54/7.35 [2019-03-29 02:10:01,487 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:01" (1/1) ... 15.54/7.35 [2019-03-29 02:10:01,501 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges 15.54/7.35 [2019-03-29 02:10:01,503 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.54/7.35 [2019-03-29 02:10:01,504 INFO L263 BlockEncoder]: Using Maximize final states 15.54/7.35 [2019-03-29 02:10:01,505 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.54/7.35 [2019-03-29 02:10:01,505 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.54/7.35 [2019-03-29 02:10:01,507 INFO L296 BlockEncoder]: Using Remove sink states 15.54/7.35 [2019-03-29 02:10:01,508 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.54/7.35 [2019-03-29 02:10:01,508 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.54/7.35 [2019-03-29 02:10:01,524 INFO L185 BlockEncoder]: Using Use SBE 15.54/7.35 [2019-03-29 02:10:01,540 INFO L200 BlockEncoder]: SBE split 2 edges 15.54/7.35 [2019-03-29 02:10:01,544 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 15.54/7.35 [2019-03-29 02:10:01,546 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.54/7.35 [2019-03-29 02:10:01,559 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.54/7.35 [2019-03-29 02:10:01,561 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 15.54/7.35 [2019-03-29 02:10:01,562 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.54/7.35 [2019-03-29 02:10:01,562 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.54/7.35 [2019-03-29 02:10:01,562 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.54/7.35 [2019-03-29 02:10:01,563 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.54/7.35 [2019-03-29 02:10:01,563 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 7 edges 15.54/7.35 [2019-03-29 02:10:01,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:10:01 BasicIcfg 15.54/7.35 [2019-03-29 02:10:01,564 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.54/7.35 [2019-03-29 02:10:01,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.54/7.35 [2019-03-29 02:10:01,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.54/7.35 [2019-03-29 02:10:01,568 INFO L276 PluginConnector]: TraceAbstraction initialized 15.54/7.35 [2019-03-29 02:10:01,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:10:00" (1/4) ... 15.54/7.35 [2019-03-29 02:10:01,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62be1485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (2/4) ... 15.54/7.35 [2019-03-29 02:10:01,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62be1485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:01" (3/4) ... 15.54/7.35 [2019-03-29 02:10:01,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62be1485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:10:01" (4/4) ... 15.54/7.35 [2019-03-29 02:10:01,572 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.54/7.35 [2019-03-29 02:10:01,583 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.54/7.35 [2019-03-29 02:10:01,592 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.54/7.35 [2019-03-29 02:10:01,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.54/7.35 [2019-03-29 02:10:01,639 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.54/7.35 [2019-03-29 02:10:01,640 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.54/7.35 [2019-03-29 02:10:01,640 INFO L383 AbstractCegarLoop]: Hoare is true 15.54/7.35 [2019-03-29 02:10:01,640 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.54/7.35 [2019-03-29 02:10:01,641 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.54/7.35 [2019-03-29 02:10:01,641 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.54/7.35 [2019-03-29 02:10:01,641 INFO L387 AbstractCegarLoop]: Difference is false 15.54/7.35 [2019-03-29 02:10:01,641 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.54/7.35 [2019-03-29 02:10:01,641 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.54/7.35 [2019-03-29 02:10:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 15.54/7.35 [2019-03-29 02:10:01,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.54/7.35 [2019-03-29 02:10:01,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 15.54/7.35 [2019-03-29 02:10:01,721 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. 15.54/7.35 [2019-03-29 02:10:01,721 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 16 24) the Hoare annotation is: true 15.54/7.35 [2019-03-29 02:10:01,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.54/7.35 [2019-03-29 02:10:01,721 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 26) the Hoare annotation is: true 15.54/7.35 [2019-03-29 02:10:01,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:10:01 BasicIcfg 15.54/7.35 [2019-03-29 02:10:01,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.54/7.35 [2019-03-29 02:10:01,731 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.54/7.35 [2019-03-29 02:10:01,731 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.54/7.35 [2019-03-29 02:10:01,735 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.54/7.35 [2019-03-29 02:10:01,735 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.54/7.35 [2019-03-29 02:10:01,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:10:00" (1/5) ... 15.54/7.35 [2019-03-29 02:10:01,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@376a960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,736 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.54/7.35 [2019-03-29 02:10:01,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:01" (2/5) ... 15.54/7.35 [2019-03-29 02:10:01,737 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@376a960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,737 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.54/7.35 [2019-03-29 02:10:01,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:01" (3/5) ... 15.54/7.35 [2019-03-29 02:10:01,738 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@376a960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,738 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.54/7.35 [2019-03-29 02:10:01,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:10:01" (4/5) ... 15.54/7.35 [2019-03-29 02:10:01,738 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@376a960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:01, skipping insertion in model container 15.54/7.35 [2019-03-29 02:10:01,738 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.54/7.35 [2019-03-29 02:10:01,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:10:01" (5/5) ... 15.54/7.35 [2019-03-29 02:10:01,740 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.54/7.35 [2019-03-29 02:10:01,767 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.54/7.35 [2019-03-29 02:10:01,767 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.54/7.35 [2019-03-29 02:10:01,768 INFO L375 BuchiCegarLoop]: Hoare is true 15.54/7.35 [2019-03-29 02:10:01,768 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.54/7.35 [2019-03-29 02:10:01,768 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.54/7.35 [2019-03-29 02:10:01,768 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.54/7.35 [2019-03-29 02:10:01,768 INFO L379 BuchiCegarLoop]: Difference is false 15.54/7.35 [2019-03-29 02:10:01,768 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.54/7.35 [2019-03-29 02:10:01,769 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.54/7.35 [2019-03-29 02:10:01,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.54/7.35 [2019-03-29 02:10:01,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.54/7.35 [2019-03-29 02:10:01,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.54/7.35 [2019-03-29 02:10:01,790 INFO L119 BuchiIsEmpty]: Starting construction of run 15.54/7.35 [2019-03-29 02:10:01,795 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.54/7.35 [2019-03-29 02:10:01,795 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.54/7.35 [2019-03-29 02:10:01,795 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.54/7.35 [2019-03-29 02:10:01,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.54/7.35 [2019-03-29 02:10:01,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.54/7.35 [2019-03-29 02:10:01,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.54/7.35 [2019-03-29 02:10:01,796 INFO L119 BuchiIsEmpty]: Starting construction of run 15.54/7.35 [2019-03-29 02:10:01,797 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.54/7.35 [2019-03-29 02:10:01,797 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.54/7.35 [2019-03-29 02:10:01,802 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [40] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 6#L14-2true 15.54/7.35 [2019-03-29 02:10:01,803 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true [46] L14-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~ytmp~0_4 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~ytmp~0] 3#L17-2true [57] L17-2-->L14-2: Formula: (and (= (+ v_ULTIMATE.start_main_~res~0_9 1) v_ULTIMATE.start_main_~res~0_8) (= v_ULTIMATE.start_main_~ytmp~0_11 0)) InVars {ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_11} OutVars{ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0] 6#L14-2true 15.54/7.35 [2019-03-29 02:10:01,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:01,809 INFO L82 PathProgramCache]: Analyzing trace with hash 71, now seen corresponding path program 1 times 15.54/7.35 [2019-03-29 02:10:01,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:01,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:01,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:01,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:01,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:01,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2444, now seen corresponding path program 1 times 15.54/7.35 [2019-03-29 02:10:01,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:01,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:01,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:01,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:01,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.35 [2019-03-29 02:10:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.54/7.35 [2019-03-29 02:10:01,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.54/7.35 [2019-03-29 02:10:01,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.54/7.35 [2019-03-29 02:10:01,940 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.54/7.35 [2019-03-29 02:10:01,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.54/7.35 [2019-03-29 02:10:01,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.54/7.35 [2019-03-29 02:10:01,957 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. 15.54/7.35 [2019-03-29 02:10:01,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.54/7.35 [2019-03-29 02:10:01,991 INFO L93 Difference]: Finished difference Result 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:01,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.54/7.35 [2019-03-29 02:10:01,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:01,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.54/7.35 [2019-03-29 02:10:02,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.54/7.35 [2019-03-29 02:10:02,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 15.54/7.35 [2019-03-29 02:10:02,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.54/7.35 [2019-03-29 02:10:02,002 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. 15.54/7.35 [2019-03-29 02:10:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.54/7.35 [2019-03-29 02:10:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,031 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,031 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,031 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.54/7.35 [2019-03-29 02:10:02,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 15.54/7.35 [2019-03-29 02:10:02,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.54/7.35 [2019-03-29 02:10:02,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.54/7.35 [2019-03-29 02:10:02,032 INFO L119 BuchiIsEmpty]: Starting construction of run 15.54/7.35 [2019-03-29 02:10:02,033 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.54/7.35 [2019-03-29 02:10:02,033 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.54/7.35 [2019-03-29 02:10:02,033 INFO L794 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 22#L14-2 15.54/7.35 [2019-03-29 02:10:02,034 INFO L796 eck$LassoCheckResult]: Loop: 22#L14-2 [46] L14-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~ytmp~0_4 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~ytmp~0] 19#L17-2 [55] L17-2-->L17: Formula: (< 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 20#L17 [42] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~ytmp~0_7 (+ v_ULTIMATE.start_main_~ytmp~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~ytmp~0_8) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 23#L17-2 [57] L17-2-->L14-2: Formula: (and (= (+ v_ULTIMATE.start_main_~res~0_9 1) v_ULTIMATE.start_main_~res~0_8) (= v_ULTIMATE.start_main_~ytmp~0_11 0)) InVars {ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_11} OutVars{ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0] 22#L14-2 15.54/7.35 [2019-03-29 02:10:02,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:02,034 INFO L82 PathProgramCache]: Analyzing trace with hash 71, now seen corresponding path program 2 times 15.54/7.35 [2019-03-29 02:10:02,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:02,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:02,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:02,042 INFO L82 PathProgramCache]: Analyzing trace with hash 2348121, now seen corresponding path program 1 times 15.54/7.35 [2019-03-29 02:10:02,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:02,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:02,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,044 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:02,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:02,055 INFO L82 PathProgramCache]: Analyzing trace with hash 66994591, now seen corresponding path program 1 times 15.54/7.35 [2019-03-29 02:10:02,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:02,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:02,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:02,150 INFO L216 LassoAnalysis]: Preferences: 15.54/7.35 [2019-03-29 02:10:02,151 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.54/7.35 [2019-03-29 02:10:02,151 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.54/7.35 [2019-03-29 02:10:02,151 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.54/7.35 [2019-03-29 02:10:02,152 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.54/7.35 [2019-03-29 02:10:02,152 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:02,152 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.54/7.35 [2019-03-29 02:10:02,152 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.54/7.35 [2019-03-29 02:10:02,152 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.54/7.35 [2019-03-29 02:10:02,152 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.54/7.35 [2019-03-29 02:10:02,153 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.54/7.35 [2019-03-29 02:10:02,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,303 INFO L300 LassoAnalysis]: Preprocessing complete. 15.54/7.35 [2019-03-29 02:10:02,304 INFO L412 LassoAnalysis]: Checking for nontermination... 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:02,313 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:02,313 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 [2019-03-29 02:10:02,347 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.54/7.35 [2019-03-29 02:10:02,347 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:02,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:02,353 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 [2019-03-29 02:10:02,380 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.54/7.35 [2019-03-29 02:10:02,380 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:02,385 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:02,385 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:02,434 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:02,434 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 [2019-03-29 02:10:02,718 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.54/7.35 [2019-03-29 02:10:02,722 INFO L216 LassoAnalysis]: Preferences: 15.54/7.35 [2019-03-29 02:10:02,722 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.54/7.35 [2019-03-29 02:10:02,722 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.54/7.35 [2019-03-29 02:10:02,722 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.54/7.35 [2019-03-29 02:10:02,722 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.54/7.35 [2019-03-29 02:10:02,722 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:02,723 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.54/7.35 [2019-03-29 02:10:02,723 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.54/7.35 [2019-03-29 02:10:02,723 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.54/7.35 [2019-03-29 02:10:02,723 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.54/7.35 [2019-03-29 02:10:02,723 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.54/7.35 [2019-03-29 02:10:02,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:02,833 INFO L300 LassoAnalysis]: Preprocessing complete. 15.54/7.35 [2019-03-29 02:10:02,839 INFO L497 LassoAnalysis]: Using template 'affine'. 15.54/7.35 [2019-03-29 02:10:02,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:02,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:02,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:02,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:02,843 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:02,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:02,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:02,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.54/7.35 [2019-03-29 02:10:02,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:02,854 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:02,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:02,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:02,855 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:02,857 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:02,858 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:02,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.54/7.35 [2019-03-29 02:10:02,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:02,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:02,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.54/7.35 [2019-03-29 02:10:02,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:02,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:02,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:02,869 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:02,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:02,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.54/7.35 [2019-03-29 02:10:02,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:02,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:02,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.54/7.35 [2019-03-29 02:10:02,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:02,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:02,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:02,876 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:02,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:02,885 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.54/7.35 [2019-03-29 02:10:02,893 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.54/7.35 [2019-03-29 02:10:02,894 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero. 15.54/7.35 [2019-03-29 02:10:02,896 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.54/7.35 [2019-03-29 02:10:02,896 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.54/7.35 [2019-03-29 02:10:02,896 INFO L518 LassoAnalysis]: Proved termination. 15.54/7.35 [2019-03-29 02:10:02,897 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.54/7.35 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.54/7.35 Supporting invariants [] 15.54/7.35 [2019-03-29 02:10:02,898 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.54/7.35 [2019-03-29 02:10:02,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.35 [2019-03-29 02:10:02,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.54/7.35 [2019-03-29 02:10:02,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.54/7.35 [2019-03-29 02:10:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.35 [2019-03-29 02:10:02,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core 15.54/7.35 [2019-03-29 02:10:02,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.54/7.35 [2019-03-29 02:10:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.54/7.35 [2019-03-29 02:10:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.35 [2019-03-29 02:10:03,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core 15.54/7.35 [2019-03-29 02:10:03,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.54/7.35 [2019-03-29 02:10:03,040 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 15.54/7.35 [2019-03-29 02:10:03,044 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 4 loop predicates 15.54/7.35 [2019-03-29 02:10:03,045 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 4 Second operand 4 states. 15.54/7.35 [2019-03-29 02:10:03,167 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 34 states and 53 transitions. Complement of second has 9 states. 15.54/7.35 [2019-03-29 02:10:03,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states 15.54/7.35 [2019-03-29 02:10:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.54/7.35 [2019-03-29 02:10:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. 15.54/7.35 [2019-03-29 02:10:03,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 1 letters. Loop has 4 letters. 15.54/7.35 [2019-03-29 02:10:03,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.54/7.35 [2019-03-29 02:10:03,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 5 letters. Loop has 4 letters. 15.54/7.35 [2019-03-29 02:10:03,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.54/7.35 [2019-03-29 02:10:03,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 1 letters. Loop has 8 letters. 15.54/7.35 [2019-03-29 02:10:03,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.54/7.35 [2019-03-29 02:10:03,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 53 transitions. 15.54/7.35 [2019-03-29 02:10:03,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 15.54/7.35 [2019-03-29 02:10:03,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 44 transitions. 15.54/7.35 [2019-03-29 02:10:03,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 15.54/7.35 [2019-03-29 02:10:03,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 15.54/7.35 [2019-03-29 02:10:03,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 44 transitions. 15.54/7.35 [2019-03-29 02:10:03,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.54/7.35 [2019-03-29 02:10:03,185 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 44 transitions. 15.54/7.35 [2019-03-29 02:10:03,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 44 transitions. 15.54/7.35 [2019-03-29 02:10:03,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. 15.54/7.35 [2019-03-29 02:10:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. 15.54/7.35 [2019-03-29 02:10:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 36 transitions. 15.54/7.35 [2019-03-29 02:10:03,190 INFO L729 BuchiCegarLoop]: Abstraction has 20 states and 36 transitions. 15.54/7.35 [2019-03-29 02:10:03,190 INFO L609 BuchiCegarLoop]: Abstraction has 20 states and 36 transitions. 15.54/7.35 [2019-03-29 02:10:03,190 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.54/7.35 [2019-03-29 02:10:03,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 36 transitions. 15.54/7.35 [2019-03-29 02:10:03,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 15.54/7.35 [2019-03-29 02:10:03,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.54/7.35 [2019-03-29 02:10:03,191 INFO L119 BuchiIsEmpty]: Starting construction of run 15.54/7.35 [2019-03-29 02:10:03,192 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] 15.54/7.35 [2019-03-29 02:10:03,192 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.54/7.35 [2019-03-29 02:10:03,192 INFO L794 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 124#L14-2 [46] L14-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~ytmp~0_4 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~ytmp~0] 121#L17-2 [55] L17-2-->L17: Formula: (< 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 122#L17 [42] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~ytmp~0_7 (+ v_ULTIMATE.start_main_~ytmp~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~ytmp~0_8) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 136#L17-2 [55] L17-2-->L17: Formula: (< 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 119#L17 15.54/7.35 [2019-03-29 02:10:03,193 INFO L796 eck$LassoCheckResult]: Loop: 119#L17 [42] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~ytmp~0_7 (+ v_ULTIMATE.start_main_~ytmp~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~ytmp~0_8) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 118#L17-2 [55] L17-2-->L17: Formula: (< 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 119#L17 15.54/7.35 [2019-03-29 02:10:03,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:03,193 INFO L82 PathProgramCache]: Analyzing trace with hash 66994589, now seen corresponding path program 1 times 15.54/7.35 [2019-03-29 02:10:03,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:03,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:03,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:03,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2318, now seen corresponding path program 1 times 15.54/7.35 [2019-03-29 02:10:03,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:03,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:03,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:03,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:03,216 INFO L82 PathProgramCache]: Analyzing trace with hash -42708054, now seen corresponding path program 2 times 15.54/7.35 [2019-03-29 02:10:03,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.35 [2019-03-29 02:10:03,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.35 [2019-03-29 02:10:03,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.35 [2019-03-29 02:10:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.54/7.35 [2019-03-29 02:10:03,254 INFO L216 LassoAnalysis]: Preferences: 15.54/7.35 [2019-03-29 02:10:03,255 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.54/7.35 [2019-03-29 02:10:03,255 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.54/7.35 [2019-03-29 02:10:03,255 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.54/7.35 [2019-03-29 02:10:03,255 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.54/7.35 [2019-03-29 02:10:03,255 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:03,255 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.54/7.35 [2019-03-29 02:10:03,255 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.54/7.35 [2019-03-29 02:10:03,256 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.54/7.35 [2019-03-29 02:10:03,256 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.54/7.35 [2019-03-29 02:10:03,256 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.54/7.35 [2019-03-29 02:10:03,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,318 INFO L300 LassoAnalysis]: Preprocessing complete. 15.54/7.35 [2019-03-29 02:10:03,318 INFO L412 LassoAnalysis]: Checking for nontermination... 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:03,322 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:03,323 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 [2019-03-29 02:10:03,351 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.54/7.35 [2019-03-29 02:10:03,351 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:03,357 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:03,357 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 [2019-03-29 02:10:03,387 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.54/7.35 [2019-03-29 02:10:03,387 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:03,393 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:03,394 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.54/7.35 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.54/7.35 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:03,432 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.54/7.35 [2019-03-29 02:10:03,432 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.54/7.35 [2019-03-29 02:10:03,510 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.54/7.35 [2019-03-29 02:10:03,512 INFO L216 LassoAnalysis]: Preferences: 15.54/7.35 [2019-03-29 02:10:03,513 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.54/7.35 [2019-03-29 02:10:03,513 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.54/7.35 [2019-03-29 02:10:03,513 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.54/7.35 [2019-03-29 02:10:03,513 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.54/7.35 [2019-03-29 02:10:03,513 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.54/7.35 [2019-03-29 02:10:03,513 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.54/7.35 [2019-03-29 02:10:03,513 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.54/7.35 [2019-03-29 02:10:03,513 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.54/7.35 [2019-03-29 02:10:03,514 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.54/7.35 [2019-03-29 02:10:03,514 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.54/7.35 [2019-03-29 02:10:03,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.54/7.35 [2019-03-29 02:10:03,587 INFO L300 LassoAnalysis]: Preprocessing complete. 15.54/7.35 [2019-03-29 02:10:03,587 INFO L497 LassoAnalysis]: Using template 'affine'. 15.54/7.35 [2019-03-29 02:10:03,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:03,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:03,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:03,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:03,589 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:03,591 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:03,591 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:03,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.54/7.35 [2019-03-29 02:10:03,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:03,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:03,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:03,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:03,596 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:03,598 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:03,598 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:03,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.54/7.35 [2019-03-29 02:10:03,603 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.54/7.35 Termination analysis: LINEAR_WITH_GUESSES 15.54/7.35 Number of strict supporting invariants: 0 15.54/7.35 Number of non-strict supporting invariants: 1 15.54/7.35 Consider only non-deceasing supporting invariants: true 15.54/7.35 Simplify termination arguments: true 15.54/7.35 Simplify supporting invariants: trueOverapproximate stem: false 15.54/7.35 [2019-03-29 02:10:03,603 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.54/7.35 [2019-03-29 02:10:03,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.54/7.35 [2019-03-29 02:10:03,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.54/7.35 [2019-03-29 02:10:03,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.54/7.35 [2019-03-29 02:10:03,604 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.54/7.35 [2019-03-29 02:10:03,605 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.54/7.35 [2019-03-29 02:10:03,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.54/7.35 [2019-03-29 02:10:03,609 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.54/7.35 [2019-03-29 02:10:03,612 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.54/7.35 [2019-03-29 02:10:03,612 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.54/7.35 [2019-03-29 02:10:03,612 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.54/7.35 [2019-03-29 02:10:03,613 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.54/7.35 [2019-03-29 02:10:03,613 INFO L518 LassoAnalysis]: Proved termination. 15.54/7.35 [2019-03-29 02:10:03,613 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.54/7.35 Ranking function f(ULTIMATE.start_main_~ytmp~0) = 1*ULTIMATE.start_main_~ytmp~0 15.54/7.35 Supporting invariants [] 15.54/7.35 [2019-03-29 02:10:03,613 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.54/7.35 [2019-03-29 02:10:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.35 [2019-03-29 02:10:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.35 [2019-03-29 02:10:03,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core 15.54/7.35 [2019-03-29 02:10:03,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.54/7.35 [2019-03-29 02:10:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.35 [2019-03-29 02:10:03,646 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.54/7.35 [2019-03-29 02:10:03,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.54/7.35 [2019-03-29 02:10:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.54/7.35 [2019-03-29 02:10:03,655 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.54/7.35 [2019-03-29 02:10:03,655 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 15.54/7.35 [2019-03-29 02:10:03,655 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 20 states and 36 transitions. cyclomatic complexity: 19 Second operand 3 states. 15.54/7.35 [2019-03-29 02:10:03,685 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 20 states and 36 transitions. cyclomatic complexity: 19. Second operand 3 states. Result 46 states and 73 transitions. Complement of second has 6 states. 15.54/7.35 [2019-03-29 02:10:03,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.54/7.35 [2019-03-29 02:10:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.54/7.35 [2019-03-29 02:10:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. 15.54/7.35 [2019-03-29 02:10:03,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. 15.54/7.35 [2019-03-29 02:10:03,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.54/7.35 [2019-03-29 02:10:03,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 7 letters. Loop has 2 letters. 15.54/7.35 [2019-03-29 02:10:03,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.54/7.35 [2019-03-29 02:10:03,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 5 letters. Loop has 4 letters. 15.54/7.35 [2019-03-29 02:10:03,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.54/7.35 [2019-03-29 02:10:03,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 73 transitions. 15.54/7.35 [2019-03-29 02:10:03,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 15.54/7.35 [2019-03-29 02:10:03,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 39 states and 64 transitions. 15.54/7.35 [2019-03-29 02:10:03,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 15.54/7.35 [2019-03-29 02:10:03,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 15.54/7.35 [2019-03-29 02:10:03,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 64 transitions. 15.54/7.35 [2019-03-29 02:10:03,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.54/7.35 [2019-03-29 02:10:03,694 INFO L706 BuchiCegarLoop]: Abstraction has 39 states and 64 transitions. 15.54/7.35 [2019-03-29 02:10:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 64 transitions. 15.54/7.35 [2019-03-29 02:10:03,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. 15.54/7.35 [2019-03-29 02:10:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. 15.54/7.35 [2019-03-29 02:10:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 54 transitions. 15.54/7.35 [2019-03-29 02:10:03,699 INFO L729 BuchiCegarLoop]: Abstraction has 29 states and 54 transitions. 15.54/7.35 [2019-03-29 02:10:03,699 INFO L609 BuchiCegarLoop]: Abstraction has 29 states and 54 transitions. 15.54/7.35 [2019-03-29 02:10:03,699 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.54/7.35 [2019-03-29 02:10:03,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 54 transitions. 15.54/7.35 [2019-03-29 02:10:03,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 15.54/7.35 [2019-03-29 02:10:03,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.54/7.36 [2019-03-29 02:10:03,700 INFO L119 BuchiIsEmpty]: Starting construction of run 15.54/7.36 [2019-03-29 02:10:03,701 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 15.54/7.36 [2019-03-29 02:10:03,701 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.54/7.36 [2019-03-29 02:10:03,701 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 233#L14-2 [46] L14-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~ytmp~0_4 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~ytmp~0] 230#L17-2 [55] L17-2-->L17: Formula: (< 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 231#L17 [42] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~ytmp~0_7 (+ v_ULTIMATE.start_main_~ytmp~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~ytmp~0_8) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 252#L17-2 [56] L17-2-->L17: Formula: (> 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 228#L17 15.54/7.36 [2019-03-29 02:10:03,701 INFO L796 eck$LassoCheckResult]: Loop: 228#L17 [42] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~ytmp~0_7 (+ v_ULTIMATE.start_main_~ytmp~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~ytmp~0_8) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 249#L17-2 [56] L17-2-->L17: Formula: (> 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 234#L17 [52] L17-->L17-2: Formula: (and (>= 0 v_ULTIMATE.start_main_~ytmp~0_10) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 1)) (= v_ULTIMATE.start_main_~ytmp~0_9 (+ v_ULTIMATE.start_main_~ytmp~0_10 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~ytmp~0] 235#L17-2 [55] L17-2-->L17: Formula: (< 0 v_ULTIMATE.start_main_~ytmp~0_6) InVars {ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} OutVars{ULTIMATE.start_main_~ytmp~0=v_ULTIMATE.start_main_~ytmp~0_6} AuxVars[] AssignedVars[] 228#L17 15.54/7.36 [2019-03-29 02:10:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.36 [2019-03-29 02:10:03,702 INFO L82 PathProgramCache]: Analyzing trace with hash 66994590, now seen corresponding path program 1 times 15.54/7.36 [2019-03-29 02:10:03,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.36 [2019-03-29 02:10:03,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.36 [2019-03-29 02:10:03,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.36 [2019-03-29 02:10:03,704 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.54/7.36 [2019-03-29 02:10:03,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.36 [2019-03-29 02:10:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.36 [2019-03-29 02:10:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.54/7.36 [2019-03-29 02:10:03,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.54/7.36 [2019-03-29 02:10:03,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 15.54/7.36 [2019-03-29 02:10:03,726 INFO L799 eck$LassoCheckResult]: stem already infeasible 15.54/7.36 [2019-03-29 02:10:03,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.54/7.36 [2019-03-29 02:10:03,726 INFO L82 PathProgramCache]: Analyzing trace with hash 2230226, now seen corresponding path program 1 times 15.54/7.36 [2019-03-29 02:10:03,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.54/7.36 [2019-03-29 02:10:03,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.54/7.36 [2019-03-29 02:10:03,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.36 [2019-03-29 02:10:03,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.54/7.36 [2019-03-29 02:10:03,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.54/7.36 [2019-03-29 02:10:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.54/7.36 [2019-03-29 02:10:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.54/7.36 [2019-03-29 02:10:03,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.54/7.36 [2019-03-29 02:10:03,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 15.54/7.36 [2019-03-29 02:10:03,739 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.54/7.36 [2019-03-29 02:10:03,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.54/7.36 [2019-03-29 02:10:03,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.54/7.36 [2019-03-29 02:10:03,740 INFO L87 Difference]: Start difference. First operand 29 states and 54 transitions. cyclomatic complexity: 28 Second operand 3 states. 15.54/7.36 [2019-03-29 02:10:03,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.54/7.36 [2019-03-29 02:10:03,747 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. 15.54/7.36 [2019-03-29 02:10:03,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.54/7.36 [2019-03-29 02:10:03,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. 15.54/7.36 [2019-03-29 02:10:03,749 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.54/7.36 [2019-03-29 02:10:03,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.54/7.36 [2019-03-29 02:10:03,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.54/7.36 [2019-03-29 02:10:03,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.54/7.36 [2019-03-29 02:10:03,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.54/7.36 [2019-03-29 02:10:03,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.54/7.36 [2019-03-29 02:10:03,750 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.54/7.36 [2019-03-29 02:10:03,750 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.54/7.36 [2019-03-29 02:10:03,750 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.54/7.36 [2019-03-29 02:10:03,750 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.54/7.36 [2019-03-29 02:10:03,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.54/7.36 [2019-03-29 02:10:03,751 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.54/7.36 [2019-03-29 02:10:03,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.54/7.36 [2019-03-29 02:10:03,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:03 BasicIcfg 15.54/7.36 [2019-03-29 02:10:03,757 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.54/7.36 [2019-03-29 02:10:03,757 INFO L168 Benchmark]: Toolchain (without parser) took 2841.32 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 559.4 MB in the beginning and 394.2 MB in the end (delta: 165.2 MB). Peak memory consumption was 171.5 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,759 INFO L168 Benchmark]: CDTParser took 0.18 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. 15.54/7.36 [2019-03-29 02:10:03,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.04 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 548.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.13 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 548.4 MB in the beginning and 622.7 MB in the end (delta: -74.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,761 INFO L168 Benchmark]: Boogie Preprocessor took 20.07 ms. Allocated memory is still 655.9 MB. Free memory was 622.7 MB in the beginning and 619.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,761 INFO L168 Benchmark]: RCFGBuilder took 213.75 ms. Allocated memory is still 655.9 MB. Free memory was 619.9 MB in the beginning and 605.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,762 INFO L168 Benchmark]: BlockEncodingV2 took 80.62 ms. Allocated memory is still 655.9 MB. Free memory was 605.0 MB in the beginning and 599.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,762 INFO L168 Benchmark]: TraceAbstraction took 165.43 ms. Allocated memory is still 655.9 MB. Free memory was 599.6 MB in the beginning and 589.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,763 INFO L168 Benchmark]: BuchiAutomizer took 2025.99 ms. Allocated memory is still 655.9 MB. Free memory was 589.9 MB in the beginning and 394.2 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 50.3 GB. 15.54/7.36 [2019-03-29 02:10:03,767 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.54/7.36 --- Results --- 15.54/7.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.54/7.36 - StatisticsResult: Initial Icfg 15.54/7.36 9 locations, 13 edges 15.54/7.36 - StatisticsResult: Encoded RCFG 15.54/7.36 4 locations, 7 edges 15.54/7.36 * Results from de.uni_freiburg.informatik.ultimate.core: 15.54/7.36 - StatisticsResult: Toolchain Benchmarks 15.54/7.36 Benchmark results are: 15.54/7.36 * CDTParser took 0.18 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. 15.54/7.36 * CACSL2BoogieTranslator took 235.04 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 548.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 15.54/7.36 * Boogie Procedure Inliner took 95.13 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 548.4 MB in the beginning and 622.7 MB in the end (delta: -74.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.54/7.36 * Boogie Preprocessor took 20.07 ms. Allocated memory is still 655.9 MB. Free memory was 622.7 MB in the beginning and 619.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.54/7.36 * RCFGBuilder took 213.75 ms. Allocated memory is still 655.9 MB. Free memory was 619.9 MB in the beginning and 605.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 15.54/7.36 * BlockEncodingV2 took 80.62 ms. Allocated memory is still 655.9 MB. Free memory was 605.0 MB in the beginning and 599.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.54/7.36 * TraceAbstraction took 165.43 ms. Allocated memory is still 655.9 MB. Free memory was 599.6 MB in the beginning and 589.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.54/7.36 * BuchiAutomizer took 2025.99 ms. Allocated memory is still 655.9 MB. Free memory was 589.9 MB in the beginning and 394.2 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 50.3 GB. 15.54/7.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.54/7.36 - AllSpecificationsHoldResult: All specifications hold 15.54/7.36 We were not able to verify any specifiation because the program does not contain any specification. 15.54/7.36 - InvariantResult [Line: 16]: Loop Invariant 15.54/7.36 Derived loop invariant: 1 15.54/7.36 - InvariantResult [Line: 14]: Loop Invariant 15.54/7.36 Derived loop invariant: 1 15.54/7.36 - StatisticsResult: Ultimate Automizer benchmark data 15.54/7.36 CFG has 1 procedures, 4 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=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.54/7.36 - StatisticsResult: Constructed decomposition of program 15.54/7.36 Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 6 locations. One nondeterministic module has affine ranking function ytmp and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.54/7.36 - StatisticsResult: Timing statistics 15.54/7.36 BüchiAutomizer plugin needed 1.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 17 SDtfs, 30 SDslu, 21 SDs, 0 SdLazy, 75 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax166 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf92 smp100 dnf100 smp100 tf109 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 15.54/7.36 - TerminationAnalysisResult: Termination proven 15.54/7.36 Buchi Automizer proved that your program is terminating 15.54/7.36 RESULT: Ultimate proved your program to be correct! 15.54/7.36 !SESSION 2019-03-29 02:09:57.598 ----------------------------------------------- 15.54/7.36 eclipse.buildId=unknown 15.54/7.36 java.version=1.8.0_181 15.54/7.36 java.vendor=Oracle Corporation 15.54/7.36 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.54/7.36 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.54/7.36 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.54/7.36 15.54/7.36 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:10:04.000 15.54/7.36 !MESSAGE The workspace will exit with unsaved changes in this session. 15.54/7.36 Received shutdown request... 15.54/7.36 Ultimate: 15.54/7.36 GTK+ Version Check 15.54/7.36 EOF