16.57/7.65 NO 16.57/7.65 16.57/7.65 Ultimate: Cannot open display: 16.57/7.65 This is Ultimate 0.1.24-8dc7c08-m 16.57/7.65 [2019-03-29 01:49:00,926 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.57/7.65 [2019-03-29 01:49:00,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.57/7.65 [2019-03-29 01:49:00,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,940 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.57/7.65 [2019-03-29 01:49:00,941 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.57/7.65 [2019-03-29 01:49:00,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.57/7.65 [2019-03-29 01:49:00,944 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.57/7.65 [2019-03-29 01:49:00,945 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.57/7.65 [2019-03-29 01:49:00,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.57/7.65 [2019-03-29 01:49:00,947 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.57/7.65 [2019-03-29 01:49:00,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.57/7.65 [2019-03-29 01:49:00,949 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.57/7.65 [2019-03-29 01:49:00,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.57/7.65 [2019-03-29 01:49:00,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.57/7.65 [2019-03-29 01:49:00,951 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.57/7.65 [2019-03-29 01:49:00,953 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.57/7.65 [2019-03-29 01:49:00,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.57/7.65 [2019-03-29 01:49:00,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.57/7.65 [2019-03-29 01:49:00,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.57/7.65 [2019-03-29 01:49:00,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.57/7.65 [2019-03-29 01:49:00,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.57/7.65 [2019-03-29 01:49:00,962 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.57/7.65 [2019-03-29 01:49:00,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.57/7.65 [2019-03-29 01:49:00,963 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.57/7.65 [2019-03-29 01:49:00,964 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.57/7.65 [2019-03-29 01:49:00,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.57/7.65 [2019-03-29 01:49:00,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.57/7.65 [2019-03-29 01:49:00,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,967 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.57/7.65 [2019-03-29 01:49:00,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.57/7.65 [2019-03-29 01:49:00,968 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.57/7.65 [2019-03-29 01:49:00,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.57/7.65 [2019-03-29 01:49:00,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.57/7.65 [2019-03-29 01:49:00,970 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 16.57/7.65 [2019-03-29 01:49:00,984 INFO L110 SettingsManager]: Loading preferences was successful 16.57/7.65 [2019-03-29 01:49:00,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.57/7.65 [2019-03-29 01:49:00,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.57/7.65 [2019-03-29 01:49:00,986 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.57/7.65 [2019-03-29 01:49:00,986 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.57/7.65 [2019-03-29 01:49:00,986 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.57/7.65 [2019-03-29 01:49:00,986 INFO L133 SettingsManager]: * Use SBE=true 16.57/7.65 [2019-03-29 01:49:00,987 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.57/7.65 [2019-03-29 01:49:00,987 INFO L133 SettingsManager]: * Use old map elimination=false 16.57/7.65 [2019-03-29 01:49:00,987 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.57/7.65 [2019-03-29 01:49:00,987 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.57/7.65 [2019-03-29 01:49:00,987 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.57/7.65 [2019-03-29 01:49:00,987 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.57/7.65 [2019-03-29 01:49:00,988 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.57/7.65 [2019-03-29 01:49:00,988 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:00,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.57/7.65 [2019-03-29 01:49:00,988 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.57/7.65 [2019-03-29 01:49:00,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.57/7.65 [2019-03-29 01:49:00,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.57/7.65 [2019-03-29 01:49:00,989 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.57/7.65 [2019-03-29 01:49:00,989 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.57/7.65 [2019-03-29 01:49:00,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.57/7.65 [2019-03-29 01:49:00,989 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.57/7.65 [2019-03-29 01:49:00,989 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.57/7.65 [2019-03-29 01:49:00,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.57/7.65 [2019-03-29 01:49:00,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.57/7.65 [2019-03-29 01:49:00,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.57/7.65 [2019-03-29 01:49:00,990 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.57/7.65 [2019-03-29 01:49:00,990 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.57/7.65 [2019-03-29 01:49:01,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.57/7.65 [2019-03-29 01:49:01,029 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.57/7.65 [2019-03-29 01:49:01,032 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.57/7.65 [2019-03-29 01:49:01,034 INFO L271 PluginConnector]: Initializing CDTParser... 16.57/7.65 [2019-03-29 01:49:01,034 INFO L276 PluginConnector]: CDTParser initialized 16.57/7.65 [2019-03-29 01:49:01,035 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 16.57/7.65 [2019-03-29 01:49:01,097 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/c9df8f6aa41c488c88fe4c852f5cd4af/FLAG35effc267 16.57/7.65 [2019-03-29 01:49:01,432 INFO L307 CDTParser]: Found 1 translation units. 16.57/7.65 [2019-03-29 01:49:01,433 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 16.57/7.65 [2019-03-29 01:49:01,439 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/c9df8f6aa41c488c88fe4c852f5cd4af/FLAG35effc267 16.57/7.65 [2019-03-29 01:49:01,841 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/c9df8f6aa41c488c88fe4c852f5cd4af 16.57/7.65 [2019-03-29 01:49:01,853 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.57/7.65 [2019-03-29 01:49:01,854 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.57/7.65 [2019-03-29 01:49:01,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.57/7.65 [2019-03-29 01:49:01,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.57/7.65 [2019-03-29 01:49:01,859 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.57/7.65 [2019-03-29 01:49:01,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:49:01" (1/1) ... 16.57/7.65 [2019-03-29 01:49:01,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43af7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:01, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:01,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:49:01" (1/1) ... 16.57/7.65 [2019-03-29 01:49:01,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.57/7.65 [2019-03-29 01:49:01,890 INFO L176 MainTranslator]: Built tables and reachable declarations 16.57/7.65 [2019-03-29 01:49:02,050 INFO L206 PostProcessor]: Analyzing one entry point: main 16.57/7.65 [2019-03-29 01:49:02,054 INFO L191 MainTranslator]: Completed pre-run 16.57/7.65 [2019-03-29 01:49:02,072 INFO L206 PostProcessor]: Analyzing one entry point: main 16.57/7.65 [2019-03-29 01:49:02,144 INFO L195 MainTranslator]: Completed translation 16.57/7.65 [2019-03-29 01:49:02,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02 WrapperNode 16.57/7.65 [2019-03-29 01:49:02,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.57/7.65 [2019-03-29 01:49:02,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.57/7.65 [2019-03-29 01:49:02,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.57/7.65 [2019-03-29 01:49:02,146 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.57/7.65 [2019-03-29 01:49:02,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.57/7.65 [2019-03-29 01:49:02,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.57/7.65 [2019-03-29 01:49:02,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.57/7.65 [2019-03-29 01:49:02,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.57/7.65 [2019-03-29 01:49:02,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.57/7.65 [2019-03-29 01:49:02,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.57/7.65 [2019-03-29 01:49:02,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.57/7.65 [2019-03-29 01:49:02,201 INFO L276 PluginConnector]: RCFGBuilder initialized 16.57/7.65 [2019-03-29 01:49:02,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (1/1) ... 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.57/7.65 [2019-03-29 01:49:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.57/7.65 [2019-03-29 01:49:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.57/7.65 [2019-03-29 01:49:02,395 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.57/7.65 [2019-03-29 01:49:02,395 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.57/7.65 [2019-03-29 01:49:02,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:02 BoogieIcfgContainer 16.57/7.65 [2019-03-29 01:49:02,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.57/7.65 [2019-03-29 01:49:02,397 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.57/7.65 [2019-03-29 01:49:02,397 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.57/7.65 [2019-03-29 01:49:02,399 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.57/7.65 [2019-03-29 01:49:02,400 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:02" (1/1) ... 16.57/7.65 [2019-03-29 01:49:02,414 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 16.57/7.65 [2019-03-29 01:49:02,416 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.57/7.65 [2019-03-29 01:49:02,417 INFO L263 BlockEncoder]: Using Maximize final states 16.57/7.65 [2019-03-29 01:49:02,417 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.57/7.65 [2019-03-29 01:49:02,418 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.57/7.65 [2019-03-29 01:49:02,420 INFO L296 BlockEncoder]: Using Remove sink states 16.57/7.65 [2019-03-29 01:49:02,421 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.57/7.65 [2019-03-29 01:49:02,421 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.57/7.65 [2019-03-29 01:49:02,437 INFO L185 BlockEncoder]: Using Use SBE 16.57/7.65 [2019-03-29 01:49:02,451 INFO L200 BlockEncoder]: SBE split 1 edges 16.57/7.65 [2019-03-29 01:49:02,456 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.57/7.65 [2019-03-29 01:49:02,458 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.57/7.65 [2019-03-29 01:49:02,469 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.57/7.65 [2019-03-29 01:49:02,471 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.57/7.65 [2019-03-29 01:49:02,472 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.57/7.65 [2019-03-29 01:49:02,472 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.57/7.65 [2019-03-29 01:49:02,472 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.57/7.65 [2019-03-29 01:49:02,473 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.57/7.65 [2019-03-29 01:49:02,473 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 7 edges 16.57/7.65 [2019-03-29 01:49:02,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:49:02 BasicIcfg 16.57/7.65 [2019-03-29 01:49:02,474 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.57/7.65 [2019-03-29 01:49:02,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.57/7.65 [2019-03-29 01:49:02,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.57/7.65 [2019-03-29 01:49:02,478 INFO L276 PluginConnector]: TraceAbstraction initialized 16.57/7.65 [2019-03-29 01:49:02,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:49:01" (1/4) ... 16.57/7.65 [2019-03-29 01:49:02,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac37a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (2/4) ... 16.57/7.65 [2019-03-29 01:49:02,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac37a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:02" (3/4) ... 16.57/7.65 [2019-03-29 01:49:02,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac37a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:49:02" (4/4) ... 16.57/7.65 [2019-03-29 01:49:02,482 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.57/7.65 [2019-03-29 01:49:02,491 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.57/7.65 [2019-03-29 01:49:02,499 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.57/7.65 [2019-03-29 01:49:02,517 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.57/7.65 [2019-03-29 01:49:02,546 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.57/7.65 [2019-03-29 01:49:02,547 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.57/7.65 [2019-03-29 01:49:02,547 INFO L383 AbstractCegarLoop]: Hoare is true 16.57/7.65 [2019-03-29 01:49:02,547 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.57/7.65 [2019-03-29 01:49:02,548 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.57/7.65 [2019-03-29 01:49:02,548 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.57/7.65 [2019-03-29 01:49:02,548 INFO L387 AbstractCegarLoop]: Difference is false 16.57/7.65 [2019-03-29 01:49:02,548 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.57/7.65 [2019-03-29 01:49:02,548 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.57/7.65 [2019-03-29 01:49:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 16.57/7.65 [2019-03-29 01:49:02,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.57/7.65 [2019-03-29 01:49:02,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 16.57/7.65 [2019-03-29 01:49:02,620 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 21) no Hoare annotation was computed. 16.57/7.65 [2019-03-29 01:49:02,620 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 11 23) the Hoare annotation is: true 16.57/7.65 [2019-03-29 01:49:02,621 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.57/7.65 [2019-03-29 01:49:02,621 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 22) no Hoare annotation was computed. 16.57/7.65 [2019-03-29 01:49:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:49:02 BasicIcfg 16.57/7.65 [2019-03-29 01:49:02,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.57/7.65 [2019-03-29 01:49:02,629 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.57/7.65 [2019-03-29 01:49:02,630 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.57/7.65 [2019-03-29 01:49:02,633 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.57/7.65 [2019-03-29 01:49:02,634 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.57/7.65 [2019-03-29 01:49:02,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:49:01" (1/5) ... 16.57/7.65 [2019-03-29 01:49:02,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e1db64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,635 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.57/7.65 [2019-03-29 01:49:02,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:49:02" (2/5) ... 16.57/7.65 [2019-03-29 01:49:02,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e1db64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,636 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.57/7.65 [2019-03-29 01:49:02,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:49:02" (3/5) ... 16.57/7.65 [2019-03-29 01:49:02,636 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e1db64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,636 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.57/7.65 [2019-03-29 01:49:02,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:49:02" (4/5) ... 16.57/7.65 [2019-03-29 01:49:02,637 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e1db64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:49:02, skipping insertion in model container 16.57/7.65 [2019-03-29 01:49:02,637 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.57/7.65 [2019-03-29 01:49:02,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:49:02" (5/5) ... 16.57/7.65 [2019-03-29 01:49:02,639 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.57/7.65 [2019-03-29 01:49:02,666 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.57/7.65 [2019-03-29 01:49:02,666 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.57/7.65 [2019-03-29 01:49:02,667 INFO L375 BuchiCegarLoop]: Hoare is true 16.57/7.65 [2019-03-29 01:49:02,667 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.57/7.65 [2019-03-29 01:49:02,667 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.57/7.65 [2019-03-29 01:49:02,667 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.57/7.65 [2019-03-29 01:49:02,667 INFO L379 BuchiCegarLoop]: Difference is false 16.57/7.65 [2019-03-29 01:49:02,668 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.57/7.65 [2019-03-29 01:49:02,668 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.57/7.65 [2019-03-29 01:49:02,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.57/7.65 [2019-03-29 01:49:02,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.57/7.65 [2019-03-29 01:49:02,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:02,753 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:02,760 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.57/7.65 [2019-03-29 01:49:02,760 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:02,760 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.57/7.65 [2019-03-29 01:49:02,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.57/7.65 [2019-03-29 01:49:02,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.57/7.65 [2019-03-29 01:49:02,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:02,762 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:02,762 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.57/7.65 [2019-03-29 01:49:02,762 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:02,768 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 6#L16-2true 16.57/7.65 [2019-03-29 01:49:02,768 INFO L796 eck$LassoCheckResult]: Loop: 6#L16-2true [43] L16-2-->L12: Formula: (> 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 5#L12true [32] L12-->L16-2: Formula: (and (= 1 (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~i~0_13)) (< (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~w~0_8) 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 6#L16-2true 16.57/7.65 [2019-03-29 01:49:02,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:02,774 INFO L82 PathProgramCache]: Analyzing trace with hash 60, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:02,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:02,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:02,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:02,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:02,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2326, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:02,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:02,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:02,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:02,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:02,865 INFO L82 PathProgramCache]: Analyzing trace with hash 59025, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:02,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:02,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:02,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:02,919 INFO L216 LassoAnalysis]: Preferences: 16.57/7.65 [2019-03-29 01:49:02,921 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.57/7.65 [2019-03-29 01:49:02,921 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.57/7.65 [2019-03-29 01:49:02,921 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.57/7.65 [2019-03-29 01:49:02,921 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.57/7.65 [2019-03-29 01:49:02,922 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:02,922 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.57/7.65 [2019-03-29 01:49:02,922 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.57/7.65 [2019-03-29 01:49:02,922 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.57/7.65 [2019-03-29 01:49:02,922 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.57/7.65 [2019-03-29 01:49:02,923 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.57/7.65 [2019-03-29 01:49:02,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:02,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:02,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,032 INFO L300 LassoAnalysis]: Preprocessing complete. 16.57/7.65 [2019-03-29 01:49:03,033 INFO L412 LassoAnalysis]: Checking for nontermination... 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,039 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,039 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:03,072 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:03,073 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: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,078 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,079 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:03,106 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:03,106 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: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,111 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,143 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,144 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:03,177 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.57/7.65 [2019-03-29 01:49:03,179 INFO L216 LassoAnalysis]: Preferences: 16.57/7.65 [2019-03-29 01:49:03,179 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.57/7.65 [2019-03-29 01:49:03,179 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.57/7.65 [2019-03-29 01:49:03,179 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.57/7.65 [2019-03-29 01:49:03,180 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.57/7.65 [2019-03-29 01:49:03,180 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,180 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.57/7.65 [2019-03-29 01:49:03,180 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.57/7.65 [2019-03-29 01:49:03,180 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.57/7.65 [2019-03-29 01:49:03,180 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.57/7.65 [2019-03-29 01:49:03,180 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.57/7.65 [2019-03-29 01:49:03,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,259 INFO L300 LassoAnalysis]: Preprocessing complete. 16.57/7.65 [2019-03-29 01:49:03,265 INFO L497 LassoAnalysis]: Using template 'affine'. 16.57/7.65 [2019-03-29 01:49:03,267 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 16.57/7.65 Number of strict supporting invariants: 0 16.57/7.65 Number of non-strict supporting invariants: 1 16.57/7.65 Consider only non-deceasing supporting invariants: true 16.57/7.65 Simplify termination arguments: true 16.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 16.57/7.65 [2019-03-29 01:49:03,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.57/7.65 [2019-03-29 01:49:03,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.57/7.65 [2019-03-29 01:49:03,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.57/7.65 [2019-03-29 01:49:03,269 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.57/7.65 [2019-03-29 01:49:03,274 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.57/7.65 [2019-03-29 01:49:03,274 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.57/7.65 [2019-03-29 01:49:03,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.57/7.65 [2019-03-29 01:49:03,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 16.57/7.65 Number of strict supporting invariants: 0 16.57/7.65 Number of non-strict supporting invariants: 1 16.57/7.65 Consider only non-deceasing supporting invariants: true 16.57/7.65 Simplify termination arguments: true 16.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 16.57/7.65 [2019-03-29 01:49:03,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.57/7.65 [2019-03-29 01:49:03,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.57/7.65 [2019-03-29 01:49:03,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.57/7.65 [2019-03-29 01:49:03,285 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.57/7.65 [2019-03-29 01:49:03,288 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.57/7.65 [2019-03-29 01:49:03,288 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.57/7.65 [2019-03-29 01:49:03,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.57/7.65 [2019-03-29 01:49:03,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 16.57/7.65 Number of strict supporting invariants: 0 16.57/7.65 Number of non-strict supporting invariants: 1 16.57/7.65 Consider only non-deceasing supporting invariants: true 16.57/7.65 Simplify termination arguments: true 16.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 16.57/7.65 [2019-03-29 01:49:03,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.57/7.65 [2019-03-29 01:49:03,298 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.57/7.65 [2019-03-29 01:49:03,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.57/7.65 [2019-03-29 01:49:03,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.57/7.65 [2019-03-29 01:49:03,299 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.57/7.65 [2019-03-29 01:49:03,300 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.57/7.65 [2019-03-29 01:49:03,300 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.57/7.65 [2019-03-29 01:49:03,308 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.57/7.65 [2019-03-29 01:49:03,316 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.57/7.65 [2019-03-29 01:49:03,316 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 16.57/7.65 [2019-03-29 01:49:03,318 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.57/7.65 [2019-03-29 01:49:03,318 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.57/7.65 [2019-03-29 01:49:03,319 INFO L518 LassoAnalysis]: Proved termination. 16.57/7.65 [2019-03-29 01:49:03,319 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.57/7.65 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 16.57/7.65 Supporting invariants [] 16.57/7.65 [2019-03-29 01:49:03,320 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.57/7.65 [2019-03-29 01:49:03,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:03,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 16.57/7.65 [2019-03-29 01:49:03,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.57/7.65 [2019-03-29 01:49:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:03,380 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 16.57/7.65 [2019-03-29 01:49:03,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.57/7.65 [2019-03-29 01:49:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:03,426 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.57/7.65 [2019-03-29 01:49:03,431 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 16.57/7.65 [2019-03-29 01:49:03,433 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 16.57/7.65 [2019-03-29 01:49:03,487 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 14 states and 25 transitions. Complement of second has 6 states. 16.57/7.65 [2019-03-29 01:49:03,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.57/7.65 [2019-03-29 01:49:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.57/7.65 [2019-03-29 01:49:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. 16.57/7.65 [2019-03-29 01:49:03,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. 16.57/7.65 [2019-03-29 01:49:03,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.57/7.65 [2019-03-29 01:49:03,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. 16.57/7.65 [2019-03-29 01:49:03,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.57/7.65 [2019-03-29 01:49:03,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. 16.57/7.65 [2019-03-29 01:49:03,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.57/7.65 [2019-03-29 01:49:03,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 25 transitions. 16.57/7.65 [2019-03-29 01:49:03,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.57/7.65 [2019-03-29 01:49:03,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:03,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.57/7.65 [2019-03-29 01:49:03,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 16.57/7.65 [2019-03-29 01:49:03,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:03,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.57/7.65 [2019-03-29 01:49:03,509 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:03,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:03,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. 16.57/7.65 [2019-03-29 01:49:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 16.57/7.65 [2019-03-29 01:49:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. 16.57/7.65 [2019-03-29 01:49:03,540 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 16.57/7.65 [2019-03-29 01:49:03,540 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 16.57/7.65 [2019-03-29 01:49:03,540 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.57/7.65 [2019-03-29 01:49:03,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 15 transitions. 16.57/7.65 [2019-03-29 01:49:03,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.57/7.65 [2019-03-29 01:49:03,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:03,541 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:03,541 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:03,542 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:03,542 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 59#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 60#L12 16.57/7.65 [2019-03-29 01:49:03,542 INFO L796 eck$LassoCheckResult]: Loop: 60#L12 [32] L12-->L16-2: Formula: (and (= 1 (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~i~0_13)) (< (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~w~0_8) 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 55#L16-2 [43] L16-2-->L12: Formula: (> 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 60#L12 16.57/7.65 [2019-03-29 01:49:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:03,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1904, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:03,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:03,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:03,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:03,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1996, now seen corresponding path program 2 times 16.57/7.65 [2019-03-29 01:49:03,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:03,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:03,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:03,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1830779, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:03,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:03,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:03,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,560 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:03,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.57/7.65 [2019-03-29 01:49:03,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 16.57/7.65 [2019-03-29 01:49:03,616 INFO L216 LassoAnalysis]: Preferences: 16.57/7.65 [2019-03-29 01:49:03,616 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.57/7.65 [2019-03-29 01:49:03,617 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.57/7.65 [2019-03-29 01:49:03,617 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.57/7.65 [2019-03-29 01:49:03,617 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.57/7.65 [2019-03-29 01:49:03,617 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,617 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.57/7.65 [2019-03-29 01:49:03,617 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.57/7.65 [2019-03-29 01:49:03,617 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.57/7.65 [2019-03-29 01:49:03,618 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.57/7.65 [2019-03-29 01:49:03,618 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.57/7.65 [2019-03-29 01:49:03,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,671 INFO L300 LassoAnalysis]: Preprocessing complete. 16.57/7.65 [2019-03-29 01:49:03,671 INFO L412 LassoAnalysis]: Checking for nontermination... 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,675 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:03,702 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:03,703 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: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,707 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,707 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:03,734 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:03,735 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: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,739 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,739 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,772 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:03,772 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:03,957 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.57/7.65 [2019-03-29 01:49:03,960 INFO L216 LassoAnalysis]: Preferences: 16.57/7.65 [2019-03-29 01:49:03,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.57/7.65 [2019-03-29 01:49:03,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.57/7.65 [2019-03-29 01:49:03,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.57/7.65 [2019-03-29 01:49:03,960 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.57/7.65 [2019-03-29 01:49:03,961 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:03,961 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.57/7.65 [2019-03-29 01:49:03,961 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.57/7.65 [2019-03-29 01:49:03,962 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.57/7.65 [2019-03-29 01:49:03,962 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.57/7.65 [2019-03-29 01:49:03,962 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.57/7.65 [2019-03-29 01:49:03,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:03,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,047 INFO L300 LassoAnalysis]: Preprocessing complete. 16.57/7.65 [2019-03-29 01:49:04,048 INFO L497 LassoAnalysis]: Using template 'affine'. 16.57/7.65 [2019-03-29 01:49:04,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 16.57/7.65 Number of strict supporting invariants: 0 16.57/7.65 Number of non-strict supporting invariants: 1 16.57/7.65 Consider only non-deceasing supporting invariants: true 16.57/7.65 Simplify termination arguments: true 16.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 16.57/7.65 [2019-03-29 01:49:04,049 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.57/7.65 [2019-03-29 01:49:04,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.57/7.65 [2019-03-29 01:49:04,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.57/7.65 [2019-03-29 01:49:04,050 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.57/7.65 [2019-03-29 01:49:04,052 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.57/7.65 [2019-03-29 01:49:04,052 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.57/7.65 [2019-03-29 01:49:04,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.57/7.65 [2019-03-29 01:49:04,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 16.57/7.65 Number of strict supporting invariants: 0 16.57/7.65 Number of non-strict supporting invariants: 1 16.57/7.65 Consider only non-deceasing supporting invariants: true 16.57/7.65 Simplify termination arguments: true 16.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 16.57/7.65 [2019-03-29 01:49:04,058 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.57/7.65 [2019-03-29 01:49:04,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.57/7.65 [2019-03-29 01:49:04,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.57/7.65 [2019-03-29 01:49:04,058 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.57/7.65 [2019-03-29 01:49:04,060 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.57/7.65 [2019-03-29 01:49:04,060 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.57/7.65 [2019-03-29 01:49:04,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.57/7.65 [2019-03-29 01:49:04,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 16.57/7.65 Number of strict supporting invariants: 0 16.57/7.65 Number of non-strict supporting invariants: 1 16.57/7.65 Consider only non-deceasing supporting invariants: true 16.57/7.65 Simplify termination arguments: true 16.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 16.57/7.65 [2019-03-29 01:49:04,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.57/7.65 [2019-03-29 01:49:04,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.57/7.65 [2019-03-29 01:49:04,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.57/7.65 [2019-03-29 01:49:04,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.57/7.65 [2019-03-29 01:49:04,069 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.57/7.65 [2019-03-29 01:49:04,070 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.57/7.65 [2019-03-29 01:49:04,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.57/7.65 [2019-03-29 01:49:04,075 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.57/7.65 [2019-03-29 01:49:04,080 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.57/7.65 [2019-03-29 01:49:04,080 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 16.57/7.65 [2019-03-29 01:49:04,080 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.57/7.65 [2019-03-29 01:49:04,080 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.57/7.65 [2019-03-29 01:49:04,081 INFO L518 LassoAnalysis]: Proved termination. 16.57/7.65 [2019-03-29 01:49:04,081 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.57/7.65 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 16.57/7.65 Supporting invariants [] 16.57/7.65 [2019-03-29 01:49:04,081 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.57/7.65 [2019-03-29 01:49:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:04,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 16.57/7.65 [2019-03-29 01:49:04,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.57/7.65 [2019-03-29 01:49:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:04,116 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 16.57/7.65 [2019-03-29 01:49:04,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.57/7.65 [2019-03-29 01:49:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:04,144 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.57/7.65 [2019-03-29 01:49:04,144 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 16.57/7.65 [2019-03-29 01:49:04,144 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 15 transitions. cyclomatic complexity: 9 Second operand 3 states. 16.57/7.65 [2019-03-29 01:49:04,238 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 15 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 72 states and 118 transitions. Complement of second has 40 states. 16.57/7.65 [2019-03-29 01:49:04,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states 16.57/7.65 [2019-03-29 01:49:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.57/7.65 [2019-03-29 01:49:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. 16.57/7.65 [2019-03-29 01:49:04,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.57/7.65 [2019-03-29 01:49:04,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. 16.57/7.65 [2019-03-29 01:49:04,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.57/7.65 [2019-03-29 01:49:04,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. 16.57/7.65 [2019-03-29 01:49:04,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.57/7.65 [2019-03-29 01:49:04,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 118 transitions. 16.57/7.65 [2019-03-29 01:49:04,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 16.57/7.65 [2019-03-29 01:49:04,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 51 states and 90 transitions. 16.57/7.65 [2019-03-29 01:49:04,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 16.57/7.65 [2019-03-29 01:49:04,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 16.57/7.65 [2019-03-29 01:49:04,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 90 transitions. 16.57/7.65 [2019-03-29 01:49:04,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.57/7.65 [2019-03-29 01:49:04,250 INFO L706 BuchiCegarLoop]: Abstraction has 51 states and 90 transitions. 16.57/7.65 [2019-03-29 01:49:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 90 transitions. 16.57/7.65 [2019-03-29 01:49:04,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 30. 16.57/7.65 [2019-03-29 01:49:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. 16.57/7.65 [2019-03-29 01:49:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 59 transitions. 16.57/7.65 [2019-03-29 01:49:04,255 INFO L729 BuchiCegarLoop]: Abstraction has 30 states and 59 transitions. 16.57/7.65 [2019-03-29 01:49:04,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 16.57/7.65 [2019-03-29 01:49:04,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 16.57/7.65 [2019-03-29 01:49:04,259 INFO L87 Difference]: Start difference. First operand 30 states and 59 transitions. Second operand 4 states. 16.57/7.65 [2019-03-29 01:49:04,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.57/7.65 [2019-03-29 01:49:04,299 INFO L93 Difference]: Finished difference Result 15 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 16.57/7.65 [2019-03-29 01:49:04,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 16.57/7.65 [2019-03-29 01:49:04,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 16.57/7.65 [2019-03-29 01:49:04,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 16.57/7.65 [2019-03-29 01:49:04,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.57/7.65 [2019-03-29 01:49:04,303 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. 16.57/7.65 [2019-03-29 01:49:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 16.57/7.65 [2019-03-29 01:49:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 21 transitions. 16.57/7.65 [2019-03-29 01:49:04,305 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 21 transitions. 16.57/7.65 [2019-03-29 01:49:04,305 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 21 transitions. 16.57/7.65 [2019-03-29 01:49:04,306 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.57/7.65 [2019-03-29 01:49:04,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 21 transitions. 16.57/7.65 [2019-03-29 01:49:04,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 16.57/7.65 [2019-03-29 01:49:04,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:04,307 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:04,307 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:04,307 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.57/7.65 [2019-03-29 01:49:04,307 INFO L794 eck$LassoCheckResult]: Stem: 254#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 255#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 260#L12 16.57/7.65 [2019-03-29 01:49:04,307 INFO L796 eck$LassoCheckResult]: Loop: 260#L12 [41] L12-->L16: Formula: (>= (+ v_ULTIMATE.start_main_~i~0_16 v_ULTIMATE.start_main_~w~0_9) 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} AuxVars[] AssignedVars[] 256#L16 [42] L16-->L16-2: Formula: (and (>= v_ULTIMATE.start_main_~w~0_7 v_ULTIMATE.start_main_~i~0_10) (= v_ULTIMATE.start_main_~i~0_9 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 257#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 260#L12 16.57/7.65 [2019-03-29 01:49:04,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1904, now seen corresponding path program 2 times 16.57/7.65 [2019-03-29 01:49:04,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,315 INFO L82 PathProgramCache]: Analyzing trace with hash 70538, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:04,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,316 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:04,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.57/7.65 [2019-03-29 01:49:04,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.57/7.65 [2019-03-29 01:49:04,328 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.57/7.65 [2019-03-29 01:49:04,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.57/7.65 [2019-03-29 01:49:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.57/7.65 [2019-03-29 01:49:04,329 INFO L87 Difference]: Start difference. First operand 12 states and 21 transitions. cyclomatic complexity: 11 Second operand 3 states. 16.57/7.65 [2019-03-29 01:49:04,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.57/7.65 [2019-03-29 01:49:04,352 INFO L93 Difference]: Finished difference Result 16 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.57/7.65 [2019-03-29 01:49:04,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 16.57/7.65 [2019-03-29 01:49:04,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 16.57/7.65 [2019-03-29 01:49:04,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 16.57/7.65 [2019-03-29 01:49:04,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.57/7.65 [2019-03-29 01:49:04,356 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. 16.57/7.65 [2019-03-29 01:49:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 16.57/7.65 [2019-03-29 01:49:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 23 transitions. 16.57/7.65 [2019-03-29 01:49:04,359 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 23 transitions. 16.57/7.65 [2019-03-29 01:49:04,359 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 23 transitions. 16.57/7.65 [2019-03-29 01:49:04,359 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.57/7.65 [2019-03-29 01:49:04,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 23 transitions. 16.57/7.65 [2019-03-29 01:49:04,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 16.57/7.65 [2019-03-29 01:49:04,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:04,360 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:04,361 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:04,361 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.57/7.65 [2019-03-29 01:49:04,361 INFO L794 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 289#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 296#L12 16.57/7.65 [2019-03-29 01:49:04,361 INFO L796 eck$LassoCheckResult]: Loop: 296#L12 [41] L12-->L16: Formula: (>= (+ v_ULTIMATE.start_main_~i~0_16 v_ULTIMATE.start_main_~w~0_9) 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} AuxVars[] AssignedVars[] 290#L16 [30] L16-->L16-2: Formula: (and (< v_ULTIMATE.start_main_~w~0_6 v_ULTIMATE.start_main_~i~0_8) (= 0 (+ v_ULTIMATE.start_main_~i~0_6 v_ULTIMATE.start_main_~i~0_8 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 292#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 296#L12 16.57/7.65 [2019-03-29 01:49:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1904, now seen corresponding path program 3 times 16.57/7.65 [2019-03-29 01:49:04,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,368 INFO L82 PathProgramCache]: Analyzing trace with hash 70166, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:04,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:04,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.57/7.65 [2019-03-29 01:49:04,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.57/7.65 [2019-03-29 01:49:04,388 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.57/7.65 [2019-03-29 01:49:04,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 16.57/7.65 [2019-03-29 01:49:04,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 16.57/7.65 [2019-03-29 01:49:04,389 INFO L87 Difference]: Start difference. First operand 14 states and 23 transitions. cyclomatic complexity: 11 Second operand 4 states. 16.57/7.65 [2019-03-29 01:49:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.57/7.65 [2019-03-29 01:49:04,433 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 16.57/7.65 [2019-03-29 01:49:04,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 16.57/7.65 [2019-03-29 01:49:04,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 16.57/7.65 [2019-03-29 01:49:04,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 16.57/7.65 [2019-03-29 01:49:04,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.57/7.65 [2019-03-29 01:49:04,437 INFO L706 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. 16.57/7.65 [2019-03-29 01:49:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. 16.57/7.65 [2019-03-29 01:49:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. 16.57/7.65 [2019-03-29 01:49:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. 16.57/7.65 [2019-03-29 01:49:04,439 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. 16.57/7.65 [2019-03-29 01:49:04,439 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. 16.57/7.65 [2019-03-29 01:49:04,440 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 16.57/7.65 [2019-03-29 01:49:04,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. 16.57/7.65 [2019-03-29 01:49:04,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 16.57/7.65 [2019-03-29 01:49:04,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:04,440 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:04,441 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:04,441 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.57/7.65 [2019-03-29 01:49:04,441 INFO L794 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 335#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 336#L12 16.57/7.65 [2019-03-29 01:49:04,441 INFO L796 eck$LassoCheckResult]: Loop: 336#L12 [41] L12-->L16: Formula: (>= (+ v_ULTIMATE.start_main_~i~0_16 v_ULTIMATE.start_main_~w~0_9) 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} AuxVars[] AssignedVars[] 337#L16 [42] L16-->L16-2: Formula: (and (>= v_ULTIMATE.start_main_~w~0_7 v_ULTIMATE.start_main_~i~0_10) (= v_ULTIMATE.start_main_~i~0_9 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 331#L16-2 [43] L16-2-->L12: Formula: (> 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 336#L12 16.57/7.65 [2019-03-29 01:49:04,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1904, now seen corresponding path program 4 times 16.57/7.65 [2019-03-29 01:49:04,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,448 INFO L82 PathProgramCache]: Analyzing trace with hash 70537, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:04,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,450 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:04,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.57/7.65 [2019-03-29 01:49:04,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.57/7.65 [2019-03-29 01:49:04,462 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.57/7.65 [2019-03-29 01:49:04,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.57/7.65 [2019-03-29 01:49:04,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.57/7.65 [2019-03-29 01:49:04,462 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 10 Second operand 3 states. 16.57/7.65 [2019-03-29 01:49:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.57/7.65 [2019-03-29 01:49:04,483 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.57/7.65 [2019-03-29 01:49:04,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. 16.57/7.65 [2019-03-29 01:49:04,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 16.57/7.65 [2019-03-29 01:49:04,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 15 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:04,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 16.57/7.65 [2019-03-29 01:49:04,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 16.57/7.65 [2019-03-29 01:49:04,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:04,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.57/7.65 [2019-03-29 01:49:04,487 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. 16.57/7.65 [2019-03-29 01:49:04,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. 16.57/7.65 [2019-03-29 01:49:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 16.57/7.65 [2019-03-29 01:49:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,489 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,489 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,489 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ 16.57/7.65 [2019-03-29 01:49:04,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 16.57/7.65 [2019-03-29 01:49:04,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:04,490 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:04,490 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:04,490 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 16.57/7.65 [2019-03-29 01:49:04,490 INFO L794 eck$LassoCheckResult]: Stem: 372#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 373#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 383#L12 16.57/7.65 [2019-03-29 01:49:04,491 INFO L796 eck$LassoCheckResult]: Loop: 383#L12 [41] L12-->L16: Formula: (>= (+ v_ULTIMATE.start_main_~i~0_16 v_ULTIMATE.start_main_~w~0_9) 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} AuxVars[] AssignedVars[] 374#L16 [30] L16-->L16-2: Formula: (and (< v_ULTIMATE.start_main_~w~0_6 v_ULTIMATE.start_main_~i~0_8) (= 0 (+ v_ULTIMATE.start_main_~i~0_6 v_ULTIMATE.start_main_~i~0_8 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 375#L16-2 [43] L16-2-->L12: Formula: (> 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 378#L12 [32] L12-->L16-2: Formula: (and (= 1 (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~i~0_13)) (< (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~w~0_8) 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 379#L16-2 [43] L16-2-->L12: Formula: (> 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 383#L12 16.57/7.65 [2019-03-29 01:49:04,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1904, now seen corresponding path program 5 times 16.57/7.65 [2019-03-29 01:49:04,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,497 INFO L82 PathProgramCache]: Analyzing trace with hash 67429600, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:04,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.57/7.65 [2019-03-29 01:49:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.57/7.65 [2019-03-29 01:49:04,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.57/7.65 [2019-03-29 01:49:04,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 16.57/7.65 [2019-03-29 01:49:04,527 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.57/7.65 [2019-03-29 01:49:04,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 16.57/7.65 [2019-03-29 01:49:04,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 16.57/7.65 [2019-03-29 01:49:04,527 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. 16.57/7.65 [2019-03-29 01:49:04,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.57/7.65 [2019-03-29 01:49:04,559 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 16.57/7.65 [2019-03-29 01:49:04,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,561 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 16.57/7.65 [2019-03-29 01:49:04,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 16.57/7.65 [2019-03-29 01:49:04,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 16.57/7.65 [2019-03-29 01:49:04,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.57/7.65 [2019-03-29 01:49:04,562 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. 16.57/7.65 [2019-03-29 01:49:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 8. 16.57/7.65 [2019-03-29 01:49:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 16.57/7.65 [2019-03-29 01:49:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. 16.57/7.65 [2019-03-29 01:49:04,565 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. 16.57/7.65 [2019-03-29 01:49:04,565 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. 16.57/7.65 [2019-03-29 01:49:04,565 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ 16.57/7.65 [2019-03-29 01:49:04,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. 16.57/7.65 [2019-03-29 01:49:04,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 16.57/7.65 [2019-03-29 01:49:04,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.57/7.65 [2019-03-29 01:49:04,566 INFO L119 BuchiIsEmpty]: Starting construction of run 16.57/7.65 [2019-03-29 01:49:04,566 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.57/7.65 [2019-03-29 01:49:04,566 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 16.57/7.65 [2019-03-29 01:49:04,566 INFO L794 eck$LassoCheckResult]: Stem: 407#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~w~0_1 5) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~w~0] 408#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 413#L12 16.57/7.65 [2019-03-29 01:49:04,567 INFO L796 eck$LassoCheckResult]: Loop: 413#L12 [41] L12-->L16: Formula: (>= (+ v_ULTIMATE.start_main_~i~0_16 v_ULTIMATE.start_main_~w~0_9) 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_9} AuxVars[] AssignedVars[] 409#L16 [30] L16-->L16-2: Formula: (and (< v_ULTIMATE.start_main_~w~0_6 v_ULTIMATE.start_main_~i~0_8) (= 0 (+ v_ULTIMATE.start_main_~i~0_6 v_ULTIMATE.start_main_~i~0_8 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 410#L16-2 [43] L16-2-->L12: Formula: (> 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 411#L12 [32] L12-->L16-2: Formula: (and (= 1 (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~i~0_13)) (< (+ v_ULTIMATE.start_main_~i~0_15 v_ULTIMATE.start_main_~w~0_8) 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 412#L16-2 [44] L16-2-->L12: Formula: (< 0 v_ULTIMATE.start_main_~i~0_12) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 413#L12 16.57/7.65 [2019-03-29 01:49:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1904, now seen corresponding path program 6 times 16.57/7.65 [2019-03-29 01:49:04,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,573 INFO L82 PathProgramCache]: Analyzing trace with hash 67429601, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:04,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,575 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.57/7.65 [2019-03-29 01:49:04,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1285870894, now seen corresponding path program 1 times 16.57/7.65 [2019-03-29 01:49:04,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.57/7.65 [2019-03-29 01:49:04,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.57/7.65 [2019-03-29 01:49:04,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.57/7.65 [2019-03-29 01:49:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.57/7.65 [2019-03-29 01:49:04,627 INFO L216 LassoAnalysis]: Preferences: 16.57/7.65 [2019-03-29 01:49:04,628 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.57/7.65 [2019-03-29 01:49:04,628 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.57/7.65 [2019-03-29 01:49:04,628 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.57/7.65 [2019-03-29 01:49:04,628 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.57/7.65 [2019-03-29 01:49:04,628 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,628 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.57/7.65 [2019-03-29 01:49:04,628 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.57/7.65 [2019-03-29 01:49:04,628 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Loop 16.57/7.65 [2019-03-29 01:49:04,629 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.57/7.65 [2019-03-29 01:49:04,629 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.57/7.65 [2019-03-29 01:49:04,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,678 INFO L300 LassoAnalysis]: Preprocessing complete. 16.57/7.65 [2019-03-29 01:49:04,678 INFO L412 LassoAnalysis]: Checking for nontermination... 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:04,681 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,712 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:04,712 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:04,745 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:04,745 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=7, ULTIMATE.start_main_~w~0=-1} Honda state: {ULTIMATE.start_main_~i~0=7, ULTIMATE.start_main_~w~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=2, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~w~0=0}] Lambdas: [1, 0, 15] Nus: [0, 0] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,772 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:04,773 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:04,799 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:04,800 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,804 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:04,804 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:04,832 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:04,832 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.57/7.65 [2019-03-29 01:49:04,846 INFO L216 LassoAnalysis]: Preferences: 16.57/7.65 [2019-03-29 01:49:04,846 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.57/7.65 [2019-03-29 01:49:04,846 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.57/7.65 [2019-03-29 01:49:04,846 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.57/7.65 [2019-03-29 01:49:04,847 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.57/7.65 [2019-03-29 01:49:04,847 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,847 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.57/7.65 [2019-03-29 01:49:04,847 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.57/7.65 [2019-03-29 01:49:04,847 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Lasso 16.57/7.65 [2019-03-29 01:49:04,847 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.57/7.65 [2019-03-29 01:49:04,847 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.57/7.65 [2019-03-29 01:49:04,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.57/7.65 [2019-03-29 01:49:04,959 INFO L300 LassoAnalysis]: Preprocessing complete. 16.57/7.65 [2019-03-29 01:49:04,959 INFO L412 LassoAnalysis]: Checking for nontermination... 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,962 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:04,963 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:04,966 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:04,966 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:04,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:04,994 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:04,997 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:04,997 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:05,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:05,024 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:05,053 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:05,053 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_6=1} Honda state: {v_rep~unnamed0~0~true_6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:05,057 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:05,058 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:05,087 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:05,088 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:05,121 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:05,121 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~w~0=0} Honda state: {ULTIMATE.start_main_~i~0=16, ULTIMATE.start_main_~w~0=5} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=2, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~w~0=0}] Lambdas: [1, 4, 4] Nus: [0, 0] 16.57/7.65 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.57/7.65 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.57/7.65 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.57/7.65 [2019-03-29 01:49:05,148 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.57/7.65 [2019-03-29 01:49:05,148 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.57/7.65 [2019-03-29 01:49:05,175 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.57/7.65 [2019-03-29 01:49:05,175 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_6=0} Honda state: {v_rep~unnamed0~0~false_6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.57/7.65 [2019-03-29 01:49:05,184 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,185 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,186 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,186 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,187 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,187 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,187 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,188 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,188 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,188 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:49:05 BasicIcfg 16.57/7.65 [2019-03-29 01:49:05,200 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.57/7.65 [2019-03-29 01:49:05,200 INFO L168 Benchmark]: Toolchain (without parser) took 3347.04 ms. Allocated memory was 649.6 MB in the beginning and 759.2 MB in the end (delta: 109.6 MB). Free memory was 565.0 MB in the beginning and 681.9 MB in the end (delta: -116.9 MB). Peak memory consumption was 225.7 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,202 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.25 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 565.0 MB in the beginning and 653.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.52 ms. Allocated memory is still 686.8 MB. Free memory was 653.3 MB in the beginning and 652.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,203 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 686.8 MB. Free memory was 652.0 MB in the beginning and 650.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,204 INFO L168 Benchmark]: RCFGBuilder took 196.23 ms. Allocated memory is still 686.8 MB. Free memory was 650.6 MB in the beginning and 635.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,204 INFO L168 Benchmark]: BlockEncodingV2 took 76.59 ms. Allocated memory is still 686.8 MB. Free memory was 635.8 MB in the beginning and 629.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,205 INFO L168 Benchmark]: TraceAbstraction took 154.43 ms. Allocated memory is still 686.8 MB. Free memory was 629.3 MB in the beginning and 619.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,206 INFO L168 Benchmark]: BuchiAutomizer took 2570.34 ms. Allocated memory was 686.8 MB in the beginning and 759.2 MB in the end (delta: 72.4 MB). Free memory was 619.9 MB in the beginning and 681.9 MB in the end (delta: -62.0 MB). Peak memory consumption was 243.4 MB. Max. memory is 50.3 GB. 16.57/7.65 [2019-03-29 01:49:05,209 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.57/7.65 --- Results --- 16.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.57/7.65 - StatisticsResult: Initial Icfg 16.57/7.65 8 locations, 11 edges 16.57/7.65 - StatisticsResult: Encoded RCFG 16.57/7.65 4 locations, 7 edges 16.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.core: 16.57/7.65 - StatisticsResult: Toolchain Benchmarks 16.57/7.65 Benchmark results are: 16.57/7.65 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.57/7.65 * CACSL2BoogieTranslator took 290.25 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 565.0 MB in the beginning and 653.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 16.57/7.65 * Boogie Procedure Inliner took 34.52 ms. Allocated memory is still 686.8 MB. Free memory was 653.3 MB in the beginning and 652.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.57/7.65 * Boogie Preprocessor took 19.47 ms. Allocated memory is still 686.8 MB. Free memory was 652.0 MB in the beginning and 650.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.57/7.65 * RCFGBuilder took 196.23 ms. Allocated memory is still 686.8 MB. Free memory was 650.6 MB in the beginning and 635.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 16.57/7.65 * BlockEncodingV2 took 76.59 ms. Allocated memory is still 686.8 MB. Free memory was 635.8 MB in the beginning and 629.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.57/7.65 * TraceAbstraction took 154.43 ms. Allocated memory is still 686.8 MB. Free memory was 629.3 MB in the beginning and 619.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.57/7.65 * BuchiAutomizer took 2570.34 ms. Allocated memory was 686.8 MB in the beginning and 759.2 MB in the end (delta: 72.4 MB). Free memory was 619.9 MB in the beginning and 681.9 MB in the end (delta: -62.0 MB). Peak memory consumption was 243.4 MB. Max. memory is 50.3 GB. 16.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 - GenericResult: Unfinished Backtranslation 16.57/7.65 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.57/7.65 - AllSpecificationsHoldResult: All specifications hold 16.57/7.65 We were not able to verify any specifiation because the program does not contain any specification. 16.57/7.65 - InvariantResult [Line: 11]: Loop Invariant 16.57/7.65 Derived loop invariant: 1 16.57/7.65 - StatisticsResult: Ultimate Automizer benchmark data 16.57/7.65 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.57/7.65 - StatisticsResult: Constructed decomposition of program 16.57/7.65 Your program was decomposed into 7 terminating modules (5 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. 16.57/7.65 - StatisticsResult: Timing statistics 16.57/7.65 BüchiAutomizer plugin needed 2.5s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 39 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 40 SDslu, 0 SDs, 0 SdLazy, 168 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax176 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq141 hnf94 smp100 dnf100 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s 16.57/7.65 - TerminationAnalysisResult: Nontermination possible 16.57/7.65 Buchi Automizer proved that your program is nonterminating for some inputs 16.57/7.65 - GeometricNonTerminationArgumentResult [Line: 12]: Nontermination argument in form of an infinite program execution. 16.57/7.65 [2019-03-29 01:49:05,218 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,223 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,223 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,223 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,224 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,224 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 [2019-03-29 01:49:05,224 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.57/7.65 [2019-03-29 01:49:05,225 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.57/7.65 Nontermination argument in form of an infinite execution 16.57/7.65 {|ULTIMATE.start_main_#t~nondet0|=0, ~unnamed0~0~false=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~i~0=0, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~w~0=0} 16.57/7.65 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48446655=0, ~unnamed0~0~true=1, \result=0, w=5, ~unnamed0~0~false=0, i=16} 16.57/7.65 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48446655=0, ~unnamed0~0~true=1, \result=0, w=5, ~unnamed0~0~false=0, i=18} 16.57/7.65 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48446655=0, ~unnamed0~0~true=1, \result=0, w=5, ~unnamed0~0~false=0, i=20} 16.57/7.65 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48446655=0, ~unnamed0~0~true=1, \result=0, w=5, ~unnamed0~0~false=0, i=22} 16.57/7.65 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48446655=0, ~unnamed0~0~true=1, \result=0, w=5, ~unnamed0~0~false=0, i=24} 16.57/7.65 - StatisticsResult: NonterminationArgumentStatistics 16.57/7.65 Unbounded Execution 1GEVs Lambdas: [1, 4, 4] Mus: [0, 0] 16.57/7.65 - NonterminatingLassoResult [Line: 12]: Nonterminating execution 16.57/7.65 Found a nonterminating execution for the following lasso shaped sequence of statements. 16.57/7.65 Stem: 16.57/7.65 [L6] int i; 16.57/7.65 [L7] int w; 16.57/7.65 [L8] i = __VERIFIER_nondet_int() 16.57/7.65 [L9] w = 5 16.57/7.65 [L11] COND TRUE i != 0 16.57/7.65 Loop: 16.57/7.65 [L12] COND FALSE !(i < -w) 16.57/7.65 [L16] COND TRUE i > w 16.57/7.65 [L17] i = i+1 16.57/7.65 [L18] i = i*(-1) 16.57/7.65 [L11] COND TRUE i != 0 16.57/7.65 [L12] COND TRUE i < -w 16.57/7.65 [L13] i = i-1 16.57/7.65 [L14] i = i*(-1) 16.57/7.65 [L11] COND TRUE i != 0 16.57/7.65 End of lasso representation. 16.57/7.65 RESULT: Ultimate proved your program to be incorrect! 16.57/7.65 !SESSION 2019-03-29 01:48:58.601 ----------------------------------------------- 16.57/7.65 eclipse.buildId=unknown 16.57/7.65 java.version=1.8.0_181 16.57/7.65 java.vendor=Oracle Corporation 16.57/7.65 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.57/7.65 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 16.57/7.65 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 16.57/7.65 16.57/7.65 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:49:05.450 16.57/7.65 !MESSAGE The workspace will exit with unsaved changes in this session. 16.57/7.65 Received shutdown request... 16.57/7.65 Ultimate: 16.57/7.65 GTK+ Version Check 16.57/7.65 EOF