16.34/7.83 YES 16.34/7.83 16.34/7.83 Ultimate: Cannot open display: 16.34/7.83 This is Ultimate 0.1.24-8dc7c08-m 16.34/7.83 [2019-03-28 22:23:00,237 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.34/7.83 [2019-03-28 22:23:00,239 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.34/7.83 [2019-03-28 22:23:00,251 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.34/7.83 [2019-03-28 22:23:00,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.34/7.83 [2019-03-28 22:23:00,253 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.34/7.83 [2019-03-28 22:23:00,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.34/7.83 [2019-03-28 22:23:00,256 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.34/7.83 [2019-03-28 22:23:00,257 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.34/7.83 [2019-03-28 22:23:00,258 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,258 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.34/7.83 [2019-03-28 22:23:00,259 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.34/7.83 [2019-03-28 22:23:00,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.34/7.83 [2019-03-28 22:23:00,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.34/7.83 [2019-03-28 22:23:00,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.34/7.83 [2019-03-28 22:23:00,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.34/7.83 [2019-03-28 22:23:00,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.34/7.83 [2019-03-28 22:23:00,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.34/7.83 [2019-03-28 22:23:00,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.34/7.83 [2019-03-28 22:23:00,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.34/7.83 [2019-03-28 22:23:00,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.34/7.83 [2019-03-28 22:23:00,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.34/7.83 [2019-03-28 22:23:00,273 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.34/7.83 [2019-03-28 22:23:00,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.34/7.83 [2019-03-28 22:23:00,274 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,274 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.34/7.83 [2019-03-28 22:23:00,276 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.34/7.83 [2019-03-28 22:23:00,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.34/7.83 [2019-03-28 22:23:00,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.34/7.83 [2019-03-28 22:23:00,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.34/7.83 [2019-03-28 22:23:00,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.34/7.83 [2019-03-28 22:23:00,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.34/7.83 [2019-03-28 22:23:00,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.34/7.83 [2019-03-28 22:23:00,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.34/7.83 [2019-03-28 22:23:00,282 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.34/7.83 [2019-03-28 22:23:00,296 INFO L110 SettingsManager]: Loading preferences was successful 16.34/7.83 [2019-03-28 22:23:00,296 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.34/7.83 [2019-03-28 22:23:00,297 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.34/7.83 [2019-03-28 22:23:00,298 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.34/7.83 [2019-03-28 22:23:00,298 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.34/7.83 [2019-03-28 22:23:00,298 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.34/7.83 [2019-03-28 22:23:00,298 INFO L133 SettingsManager]: * Use SBE=true 16.34/7.83 [2019-03-28 22:23:00,298 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.34/7.83 [2019-03-28 22:23:00,299 INFO L133 SettingsManager]: * Use old map elimination=false 16.34/7.83 [2019-03-28 22:23:00,299 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.34/7.83 [2019-03-28 22:23:00,299 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.34/7.83 [2019-03-28 22:23:00,299 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.34/7.83 [2019-03-28 22:23:00,299 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.34/7.83 [2019-03-28 22:23:00,299 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.34/7.83 [2019-03-28 22:23:00,300 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:00,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.34/7.83 [2019-03-28 22:23:00,300 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.34/7.83 [2019-03-28 22:23:00,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.34/7.83 [2019-03-28 22:23:00,300 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.34/7.83 [2019-03-28 22:23:00,301 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.34/7.83 [2019-03-28 22:23:00,301 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.34/7.83 [2019-03-28 22:23:00,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.34/7.83 [2019-03-28 22:23:00,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.34/7.83 [2019-03-28 22:23:00,301 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.34/7.83 [2019-03-28 22:23:00,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.34/7.83 [2019-03-28 22:23:00,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.34/7.83 [2019-03-28 22:23:00,302 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.34/7.83 [2019-03-28 22:23:00,302 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.34/7.83 [2019-03-28 22:23:00,302 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.34/7.83 [2019-03-28 22:23:00,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.34/7.83 [2019-03-28 22:23:00,342 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.34/7.83 [2019-03-28 22:23:00,346 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.34/7.83 [2019-03-28 22:23:00,347 INFO L271 PluginConnector]: Initializing CDTParser... 16.34/7.83 [2019-03-28 22:23:00,348 INFO L276 PluginConnector]: CDTParser initialized 16.34/7.83 [2019-03-28 22:23:00,348 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.34/7.83 [2019-03-28 22:23:00,483 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/9af666a7f64b4382a73510179dab238c/FLAG792394be9 16.34/7.83 [2019-03-28 22:23:00,846 INFO L307 CDTParser]: Found 1 translation units. 16.34/7.83 [2019-03-28 22:23:00,847 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.34/7.83 [2019-03-28 22:23:00,854 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/9af666a7f64b4382a73510179dab238c/FLAG792394be9 16.34/7.83 [2019-03-28 22:23:01,269 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/9af666a7f64b4382a73510179dab238c 16.34/7.83 [2019-03-28 22:23:01,280 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.34/7.83 [2019-03-28 22:23:01,282 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.34/7.83 [2019-03-28 22:23:01,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.34/7.83 [2019-03-28 22:23:01,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.34/7.83 [2019-03-28 22:23:01,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.34/7.83 [2019-03-28 22:23:01,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772598f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:01,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.34/7.83 [2019-03-28 22:23:01,317 INFO L176 MainTranslator]: Built tables and reachable declarations 16.34/7.83 [2019-03-28 22:23:01,474 INFO L206 PostProcessor]: Analyzing one entry point: main 16.34/7.83 [2019-03-28 22:23:01,479 INFO L191 MainTranslator]: Completed pre-run 16.34/7.83 [2019-03-28 22:23:01,496 INFO L206 PostProcessor]: Analyzing one entry point: main 16.34/7.83 [2019-03-28 22:23:01,510 INFO L195 MainTranslator]: Completed translation 16.34/7.83 [2019-03-28 22:23:01,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01 WrapperNode 16.34/7.83 [2019-03-28 22:23:01,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.34/7.83 [2019-03-28 22:23:01,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.34/7.83 [2019-03-28 22:23:01,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.34/7.83 [2019-03-28 22:23:01,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.34/7.83 [2019-03-28 22:23:01,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.34/7.83 [2019-03-28 22:23:01,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.34/7.83 [2019-03-28 22:23:01,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.34/7.83 [2019-03-28 22:23:01,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.34/7.83 [2019-03-28 22:23:01,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.34/7.83 [2019-03-28 22:23:01,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.34/7.83 [2019-03-28 22:23:01,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.34/7.83 [2019-03-28 22:23:01,623 INFO L276 PluginConnector]: RCFGBuilder initialized 16.34/7.83 [2019-03-28 22:23:01,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (1/1) ... 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.34/7.83 [2019-03-28 22:23:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.34/7.83 [2019-03-28 22:23:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.34/7.83 [2019-03-28 22:23:01,821 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.34/7.83 [2019-03-28 22:23:01,822 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.34/7.83 [2019-03-28 22:23:01,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:01 BoogieIcfgContainer 16.34/7.83 [2019-03-28 22:23:01,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.34/7.83 [2019-03-28 22:23:01,824 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.34/7.83 [2019-03-28 22:23:01,824 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.34/7.83 [2019-03-28 22:23:01,826 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.34/7.83 [2019-03-28 22:23:01,827 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:01" (1/1) ... 16.34/7.83 [2019-03-28 22:23:01,841 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 16.34/7.83 [2019-03-28 22:23:01,843 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.34/7.83 [2019-03-28 22:23:01,844 INFO L263 BlockEncoder]: Using Maximize final states 16.34/7.83 [2019-03-28 22:23:01,844 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.34/7.83 [2019-03-28 22:23:01,845 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.34/7.83 [2019-03-28 22:23:01,846 INFO L296 BlockEncoder]: Using Remove sink states 16.34/7.83 [2019-03-28 22:23:01,847 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.34/7.83 [2019-03-28 22:23:01,848 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.34/7.83 [2019-03-28 22:23:01,863 INFO L185 BlockEncoder]: Using Use SBE 16.34/7.83 [2019-03-28 22:23:01,878 INFO L200 BlockEncoder]: SBE split 1 edges 16.34/7.83 [2019-03-28 22:23:01,883 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.34/7.83 [2019-03-28 22:23:01,885 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.34/7.83 [2019-03-28 22:23:01,899 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.34/7.83 [2019-03-28 22:23:01,902 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.34/7.83 [2019-03-28 22:23:01,903 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.34/7.83 [2019-03-28 22:23:01,903 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.34/7.83 [2019-03-28 22:23:01,903 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.34/7.83 [2019-03-28 22:23:01,904 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.34/7.83 [2019-03-28 22:23:01,904 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 16.34/7.83 [2019-03-28 22:23:01,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:01 BasicIcfg 16.34/7.83 [2019-03-28 22:23:01,905 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.34/7.83 [2019-03-28 22:23:01,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.34/7.83 [2019-03-28 22:23:01,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.34/7.83 [2019-03-28 22:23:01,909 INFO L276 PluginConnector]: TraceAbstraction initialized 16.34/7.83 [2019-03-28 22:23:01,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:23:01" (1/4) ... 16.34/7.83 [2019-03-28 22:23:01,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685d9a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:23:01, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:01,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (2/4) ... 16.34/7.83 [2019-03-28 22:23:01,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685d9a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:23:01, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:01,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:01" (3/4) ... 16.34/7.83 [2019-03-28 22:23:01,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685d9a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:01, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:01,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:01" (4/4) ... 16.34/7.83 [2019-03-28 22:23:01,914 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.34/7.83 [2019-03-28 22:23:01,924 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.34/7.83 [2019-03-28 22:23:01,932 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.34/7.83 [2019-03-28 22:23:01,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.34/7.83 [2019-03-28 22:23:01,979 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.34/7.83 [2019-03-28 22:23:01,979 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.34/7.83 [2019-03-28 22:23:01,980 INFO L383 AbstractCegarLoop]: Hoare is true 16.34/7.83 [2019-03-28 22:23:01,980 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.34/7.83 [2019-03-28 22:23:01,980 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.34/7.83 [2019-03-28 22:23:01,980 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.34/7.83 [2019-03-28 22:23:01,980 INFO L387 AbstractCegarLoop]: Difference is false 16.34/7.83 [2019-03-28 22:23:01,980 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.34/7.83 [2019-03-28 22:23:01,980 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.34/7.83 [2019-03-28 22:23:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 16.34/7.83 [2019-03-28 22:23:02,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.34/7.83 [2019-03-28 22:23:02,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 16.34/7.83 [2019-03-28 22:23:02,058 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. 16.34/7.83 [2019-03-28 22:23:02,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.34/7.83 [2019-03-28 22:23:02,058 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 12 20) no Hoare annotation was computed. 16.34/7.83 [2019-03-28 22:23:02,058 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 20) no Hoare annotation was computed. 16.34/7.83 [2019-03-28 22:23:02,058 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 22) the Hoare annotation is: true 16.34/7.83 [2019-03-28 22:23:02,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:02 BasicIcfg 16.34/7.83 [2019-03-28 22:23:02,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.34/7.83 [2019-03-28 22:23:02,068 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.34/7.83 [2019-03-28 22:23:02,068 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.34/7.83 [2019-03-28 22:23:02,071 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.34/7.83 [2019-03-28 22:23:02,072 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.34/7.83 [2019-03-28 22:23:02,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:23:01" (1/5) ... 16.34/7.83 [2019-03-28 22:23:02,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e3cb960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:23:02, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:02,073 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.34/7.83 [2019-03-28 22:23:02,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:01" (2/5) ... 16.34/7.83 [2019-03-28 22:23:02,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e3cb960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:23:02, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:02,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.34/7.83 [2019-03-28 22:23:02,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:01" (3/5) ... 16.34/7.83 [2019-03-28 22:23:02,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e3cb960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:02, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:02,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.34/7.83 [2019-03-28 22:23:02,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:01" (4/5) ... 16.34/7.83 [2019-03-28 22:23:02,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e3cb960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:02, skipping insertion in model container 16.34/7.83 [2019-03-28 22:23:02,075 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.34/7.83 [2019-03-28 22:23:02,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:02" (5/5) ... 16.34/7.83 [2019-03-28 22:23:02,078 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.34/7.83 [2019-03-28 22:23:02,106 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.34/7.83 [2019-03-28 22:23:02,106 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.34/7.83 [2019-03-28 22:23:02,106 INFO L375 BuchiCegarLoop]: Hoare is true 16.34/7.83 [2019-03-28 22:23:02,107 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.34/7.83 [2019-03-28 22:23:02,107 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.34/7.83 [2019-03-28 22:23:02,107 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.34/7.83 [2019-03-28 22:23:02,107 INFO L379 BuchiCegarLoop]: Difference is false 16.34/7.83 [2019-03-28 22:23:02,107 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.34/7.83 [2019-03-28 22:23:02,107 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.34/7.83 [2019-03-28 22:23:02,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 16.34/7.83 [2019-03-28 22:23:02,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.34/7.83 [2019-03-28 22:23:02,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.34/7.83 [2019-03-28 22:23:02,129 INFO L119 BuchiIsEmpty]: Starting construction of run 16.34/7.83 [2019-03-28 22:23:02,135 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.34/7.83 [2019-03-28 22:23:02,136 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.34/7.83 [2019-03-28 22:23:02,136 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.34/7.83 [2019-03-28 22:23:02,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 16.34/7.83 [2019-03-28 22:23:02,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.34/7.83 [2019-03-28 22:23:02,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.34/7.83 [2019-03-28 22:23:02,137 INFO L119 BuchiIsEmpty]: Starting construction of run 16.34/7.83 [2019-03-28 22:23:02,137 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.34/7.83 [2019-03-28 22:23:02,137 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.34/7.83 [2019-03-28 22:23:02,143 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 7#L11-2true 16.34/7.83 [2019-03-28 22:23:02,143 INFO L796 eck$LassoCheckResult]: Loop: 7#L11-2true [41] L11-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 5#L12true [33] L12-->L15-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 6#L15-2true [36] L15-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 7#L11-2true 16.34/7.83 [2019-03-28 22:23:02,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:02,149 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:02,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:02,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:02,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:02,221 INFO L82 PathProgramCache]: Analyzing trace with hash 70251, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:02,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:02,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:02,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:02,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:02,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1917293, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:02,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:02,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:02,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:02,303 INFO L216 LassoAnalysis]: Preferences: 16.34/7.83 [2019-03-28 22:23:02,304 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.34/7.83 [2019-03-28 22:23:02,304 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.34/7.83 [2019-03-28 22:23:02,304 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.34/7.83 [2019-03-28 22:23:02,304 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.34/7.83 [2019-03-28 22:23:02,305 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,305 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.34/7.83 [2019-03-28 22:23:02,305 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.34/7.83 [2019-03-28 22:23:02,305 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.34/7.83 [2019-03-28 22:23:02,305 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.34/7.83 [2019-03-28 22:23:02,306 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.34/7.83 [2019-03-28 22:23:02,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,466 INFO L300 LassoAnalysis]: Preprocessing complete. 16.34/7.83 [2019-03-28 22:23:02,466 INFO L412 LassoAnalysis]: Checking for nontermination... 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:02,475 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:02,509 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.34/7.83 [2019-03-28 22:23:02,509 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: [] 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,516 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:02,517 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:02,545 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.34/7.83 [2019-03-28 22:23:02,545 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: [] 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,552 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:02,552 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:02,585 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:02,622 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.34/7.83 [2019-03-28 22:23:02,623 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:02,652 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:02,685 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:02,841 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.34/7.83 [2019-03-28 22:23:02,844 INFO L216 LassoAnalysis]: Preferences: 16.34/7.83 [2019-03-28 22:23:02,844 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.34/7.83 [2019-03-28 22:23:02,844 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.34/7.83 [2019-03-28 22:23:02,844 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.34/7.83 [2019-03-28 22:23:02,844 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.34/7.83 [2019-03-28 22:23:02,844 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:02,845 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.34/7.83 [2019-03-28 22:23:02,845 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.34/7.83 [2019-03-28 22:23:02,845 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.34/7.83 [2019-03-28 22:23:02,845 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.34/7.83 [2019-03-28 22:23:02,845 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.34/7.83 [2019-03-28 22:23:02,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:02,962 INFO L300 LassoAnalysis]: Preprocessing complete. 16.34/7.83 [2019-03-28 22:23:02,968 INFO L497 LassoAnalysis]: Using template 'affine'. 16.34/7.83 [2019-03-28 22:23:02,970 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:02,971 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:02,972 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:02,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:02,972 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:02,977 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:02,977 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:02,986 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.34/7.83 [2019-03-28 22:23:02,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:02,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:02,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:02,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:02,988 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:02,990 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:02,991 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:02,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.34/7.83 [2019-03-28 22:23:03,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:03,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:03,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.34/7.83 [2019-03-28 22:23:03,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:03,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:03,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:03,003 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:03,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:03,007 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.34/7.83 [2019-03-28 22:23:03,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:03,008 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:03,009 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.34/7.83 [2019-03-28 22:23:03,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:03,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:03,009 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:03,010 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:03,010 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:03,017 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.34/7.83 [2019-03-28 22:23:03,024 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.34/7.83 [2019-03-28 22:23:03,025 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 16.34/7.83 [2019-03-28 22:23:03,027 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.34/7.83 [2019-03-28 22:23:03,027 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.34/7.83 [2019-03-28 22:23:03,028 INFO L518 LassoAnalysis]: Proved termination. 16.34/7.83 [2019-03-28 22:23:03,028 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.34/7.83 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 16.34/7.83 Supporting invariants [] 16.34/7.83 [2019-03-28 22:23:03,030 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.34/7.83 [2019-03-28 22:23:03,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:03,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 16.34/7.83 [2019-03-28 22:23:03,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.34/7.83 [2019-03-28 22:23:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:03,079 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 16.34/7.83 [2019-03-28 22:23:03,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.34/7.83 [2019-03-28 22:23:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.34/7.83 [2019-03-28 22:23:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:03,179 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 16.34/7.83 [2019-03-28 22:23:03,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.34/7.83 [2019-03-28 22:23:03,188 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 16.34/7.83 [2019-03-28 22:23:03,193 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates 16.34/7.83 [2019-03-28 22:23:03,195 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 16.34/7.83 [2019-03-28 22:23:03,339 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 24 states and 35 transitions. Complement of second has 11 states. 16.34/7.83 [2019-03-28 22:23:03,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 16.34/7.83 [2019-03-28 22:23:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.34/7.83 [2019-03-28 22:23:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 27 transitions. 16.34/7.83 [2019-03-28 22:23:03,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 1 letters. Loop has 3 letters. 16.34/7.83 [2019-03-28 22:23:03,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.34/7.83 [2019-03-28 22:23:03,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 4 letters. Loop has 3 letters. 16.34/7.83 [2019-03-28 22:23:03,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.34/7.83 [2019-03-28 22:23:03,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 1 letters. Loop has 6 letters. 16.34/7.83 [2019-03-28 22:23:03,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.34/7.83 [2019-03-28 22:23:03,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. 16.34/7.83 [2019-03-28 22:23:03,356 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 16.34/7.83 [2019-03-28 22:23:03,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 35 transitions. 16.34/7.83 [2019-03-28 22:23:03,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 16.34/7.83 [2019-03-28 22:23:03,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 16.34/7.83 [2019-03-28 22:23:03,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. 16.34/7.83 [2019-03-28 22:23:03,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.34/7.83 [2019-03-28 22:23:03,364 INFO L706 BuchiCegarLoop]: Abstraction has 24 states and 35 transitions. 16.34/7.83 [2019-03-28 22:23:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. 16.34/7.83 [2019-03-28 22:23:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 11. 16.34/7.83 [2019-03-28 22:23:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 16.34/7.83 [2019-03-28 22:23:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 16.34/7.83 [2019-03-28 22:23:03,395 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 16.34/7.83 [2019-03-28 22:23:03,395 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 16.34/7.83 [2019-03-28 22:23:03,396 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.34/7.83 [2019-03-28 22:23:03,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 17 transitions. 16.34/7.83 [2019-03-28 22:23:03,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.34/7.83 [2019-03-28 22:23:03,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.34/7.83 [2019-03-28 22:23:03,397 INFO L119 BuchiIsEmpty]: Starting construction of run 16.34/7.83 [2019-03-28 22:23:03,398 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.34/7.83 [2019-03-28 22:23:03,398 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 16.34/7.83 [2019-03-28 22:23:03,399 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L11-2 [41] L11-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 97#L12 16.34/7.83 [2019-03-28 22:23:03,399 INFO L796 eck$LassoCheckResult]: Loop: 97#L12 [43] L12-->L15: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_13) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[] 90#L15 [45] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (> v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 91#L15-2 [36] L15-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 99#L11-2 [41] L11-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 97#L12 16.34/7.83 [2019-03-28 22:23:03,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:03,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1994, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:03,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:03,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:03,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:03,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2248936, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:03,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:03,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:03,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.34/7.83 [2019-03-28 22:23:03,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.34/7.83 [2019-03-28 22:23:03,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.34/7.83 [2019-03-28 22:23:03,448 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.34/7.83 [2019-03-28 22:23:03,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.34/7.83 [2019-03-28 22:23:03,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.34/7.83 [2019-03-28 22:23:03,451 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. cyclomatic complexity: 8 Second operand 3 states. 16.34/7.83 [2019-03-28 22:23:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.34/7.83 [2019-03-28 22:23:03,474 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:03,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.34/7.83 [2019-03-28 22:23:03,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:03,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.34/7.83 [2019-03-28 22:23:03,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:03,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 16.34/7.83 [2019-03-28 22:23:03,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 16.34/7.83 [2019-03-28 22:23:03,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:03,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.34/7.83 [2019-03-28 22:23:03,479 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:03,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:03,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. 16.34/7.83 [2019-03-28 22:23:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 16.34/7.83 [2019-03-28 22:23:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. 16.34/7.83 [2019-03-28 22:23:03,482 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. 16.34/7.83 [2019-03-28 22:23:03,482 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. 16.34/7.83 [2019-03-28 22:23:03,482 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.34/7.83 [2019-03-28 22:23:03,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. 16.34/7.83 [2019-03-28 22:23:03,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.34/7.83 [2019-03-28 22:23:03,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.34/7.83 [2019-03-28 22:23:03,483 INFO L119 BuchiIsEmpty]: Starting construction of run 16.34/7.83 [2019-03-28 22:23:03,483 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.34/7.83 [2019-03-28 22:23:03,484 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 16.34/7.83 [2019-03-28 22:23:03,484 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 129#L11-2 [41] L11-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 130#L12 16.34/7.83 [2019-03-28 22:23:03,485 INFO L796 eck$LassoCheckResult]: Loop: 130#L12 [43] L12-->L15: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_13) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[] 123#L15 [46] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 124#L15-2 [36] L15-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 132#L11-2 [41] L11-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 130#L12 16.34/7.83 [2019-03-28 22:23:03,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:03,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1994, now seen corresponding path program 2 times 16.34/7.83 [2019-03-28 22:23:03,485 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:03,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:03,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:03,494 INFO L82 PathProgramCache]: Analyzing trace with hash 2249897, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:03,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:03,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:03,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,495 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:03,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1842827250, now seen corresponding path program 1 times 16.34/7.83 [2019-03-28 22:23:03,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.34/7.83 [2019-03-28 22:23:03,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.34/7.83 [2019-03-28 22:23:03,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.34/7.83 [2019-03-28 22:23:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.34/7.83 [2019-03-28 22:23:03,548 INFO L216 LassoAnalysis]: Preferences: 16.34/7.83 [2019-03-28 22:23:03,548 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.34/7.83 [2019-03-28 22:23:03,549 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.34/7.83 [2019-03-28 22:23:03,549 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.34/7.83 [2019-03-28 22:23:03,549 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.34/7.83 [2019-03-28 22:23:03,549 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,550 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.34/7.83 [2019-03-28 22:23:03,550 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.34/7.83 [2019-03-28 22:23:03,550 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.34/7.83 [2019-03-28 22:23:03,550 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.34/7.83 [2019-03-28 22:23:03,550 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.34/7.83 [2019-03-28 22:23:03,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:03,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:03,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:03,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:03,649 INFO L300 LassoAnalysis]: Preprocessing complete. 16.34/7.83 [2019-03-28 22:23:03,649 INFO L412 LassoAnalysis]: Checking for nontermination... 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,659 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:03,659 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:03,689 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.34/7.83 [2019-03-28 22:23:03,689 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: [] 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,697 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:03,698 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:03,729 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.34/7.83 [2019-03-28 22:23:03,729 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: [] 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,739 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:03,739 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,775 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:03,775 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:03,812 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.34/7.83 [2019-03-28 22:23:03,812 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,844 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:03,845 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.34/7.83 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.34/7.83 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:03,877 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.34/7.83 [2019-03-28 22:23:03,877 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.34/7.83 [2019-03-28 22:23:04,044 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.34/7.83 [2019-03-28 22:23:04,047 INFO L216 LassoAnalysis]: Preferences: 16.34/7.83 [2019-03-28 22:23:04,047 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.34/7.83 [2019-03-28 22:23:04,047 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.34/7.83 [2019-03-28 22:23:04,047 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.34/7.83 [2019-03-28 22:23:04,048 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.34/7.83 [2019-03-28 22:23:04,048 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.34/7.83 [2019-03-28 22:23:04,048 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.34/7.83 [2019-03-28 22:23:04,048 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.34/7.83 [2019-03-28 22:23:04,048 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.34/7.83 [2019-03-28 22:23:04,048 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.34/7.83 [2019-03-28 22:23:04,049 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.34/7.83 [2019-03-28 22:23:04,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:04,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:04,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:04,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.34/7.83 [2019-03-28 22:23:04,119 INFO L300 LassoAnalysis]: Preprocessing complete. 16.34/7.83 [2019-03-28 22:23:04,119 INFO L497 LassoAnalysis]: Using template 'affine'. 16.34/7.83 [2019-03-28 22:23:04,120 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:04,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:04,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:04,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:04,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:04,123 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:04,123 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:04,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.34/7.83 [2019-03-28 22:23:04,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:04,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:04,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:04,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:04,129 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:04,130 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:04,130 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:04,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.34/7.83 [2019-03-28 22:23:04,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:04,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:04,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.34/7.83 [2019-03-28 22:23:04,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:04,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:04,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:04,139 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:04,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:04,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.34/7.83 [2019-03-28 22:23:04,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.34/7.83 Termination analysis: LINEAR_WITH_GUESSES 16.34/7.83 Number of strict supporting invariants: 0 16.34/7.83 Number of non-strict supporting invariants: 1 16.34/7.83 Consider only non-deceasing supporting invariants: true 16.34/7.83 Simplify termination arguments: true 16.34/7.83 Simplify supporting invariants: trueOverapproximate stem: false 16.34/7.83 [2019-03-28 22:23:04,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.34/7.83 [2019-03-28 22:23:04,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.34/7.83 [2019-03-28 22:23:04,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.34/7.83 [2019-03-28 22:23:04,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.34/7.83 [2019-03-28 22:23:04,144 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.34/7.83 [2019-03-28 22:23:04,144 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.34/7.83 [2019-03-28 22:23:04,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.34/7.83 [2019-03-28 22:23:04,149 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.34/7.83 [2019-03-28 22:23:04,155 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.34/7.83 [2019-03-28 22:23:04,155 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 16.34/7.83 [2019-03-28 22:23:04,155 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.34/7.83 [2019-03-28 22:23:04,156 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.34/7.83 [2019-03-28 22:23:04,156 INFO L518 LassoAnalysis]: Proved termination. 16.34/7.83 [2019-03-28 22:23:04,156 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.34/7.83 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 16.34/7.83 Supporting invariants [] 16.34/7.83 [2019-03-28 22:23:04,157 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.34/7.83 [2019-03-28 22:23:04,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.34/7.83 [2019-03-28 22:23:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:04,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 16.34/7.83 [2019-03-28 22:23:04,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.34/7.83 [2019-03-28 22:23:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:04,192 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 16.34/7.83 [2019-03-28 22:23:04,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.34/7.83 [2019-03-28 22:23:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.34/7.83 [2019-03-28 22:23:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.34/7.83 [2019-03-28 22:23:04,256 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 16.34/7.83 [2019-03-28 22:23:04,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.34/7.83 [2019-03-28 22:23:04,310 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 6 predicates after loop cannibalization 16.34/7.83 [2019-03-28 22:23:04,310 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 6 loop predicates 16.34/7.83 [2019-03-28 22:23:04,311 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand 4 states. 16.34/7.83 [2019-03-28 22:23:04,433 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 14 states and 19 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 34 states and 47 transitions. Complement of second has 13 states. 16.34/7.83 [2019-03-28 22:23:04,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 16.34/7.83 [2019-03-28 22:23:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.34/7.83 [2019-03-28 22:23:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. 16.34/7.83 [2019-03-28 22:23:04,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. 16.34/7.83 [2019-03-28 22:23:04,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.34/7.83 [2019-03-28 22:23:04,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. 16.34/7.83 [2019-03-28 22:23:04,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.34/7.83 [2019-03-28 22:23:04,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 2 letters. Loop has 8 letters. 16.34/7.83 [2019-03-28 22:23:04,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.34/7.83 [2019-03-28 22:23:04,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. 16.34/7.83 [2019-03-28 22:23:04,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.34/7.83 [2019-03-28 22:23:04,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. 16.34/7.83 [2019-03-28 22:23:04,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.34/7.83 [2019-03-28 22:23:04,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.34/7.83 [2019-03-28 22:23:04,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.34/7.83 [2019-03-28 22:23:04,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.34/7.83 [2019-03-28 22:23:04,442 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.34/7.83 [2019-03-28 22:23:04,442 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.34/7.83 [2019-03-28 22:23:04,442 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.34/7.83 [2019-03-28 22:23:04,442 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.34/7.83 [2019-03-28 22:23:04,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.34/7.83 [2019-03-28 22:23:04,442 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.34/7.83 [2019-03-28 22:23:04,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.34/7.83 [2019-03-28 22:23:04,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:04 BasicIcfg 16.34/7.83 [2019-03-28 22:23:04,449 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.34/7.83 [2019-03-28 22:23:04,449 INFO L168 Benchmark]: Toolchain (without parser) took 3168.25 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 564.1 MB in the beginning and 386.7 MB in the end (delta: 177.4 MB). Peak memory consumption was 207.8 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,451 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.63 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 553.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.81 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 553.4 MB in the beginning and 647.6 MB in the end (delta: -94.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,452 INFO L168 Benchmark]: Boogie Preprocessor took 20.15 ms. Allocated memory is still 680.0 MB. Free memory was 647.6 MB in the beginning and 646.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,453 INFO L168 Benchmark]: RCFGBuilder took 200.70 ms. Allocated memory is still 680.0 MB. Free memory was 646.3 MB in the beginning and 629.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,454 INFO L168 Benchmark]: BlockEncodingV2 took 81.29 ms. Allocated memory is still 680.0 MB. Free memory was 629.0 MB in the beginning and 625.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,454 INFO L168 Benchmark]: TraceAbstraction took 161.28 ms. Allocated memory is still 680.0 MB. Free memory was 623.6 MB in the beginning and 615.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,455 INFO L168 Benchmark]: BuchiAutomizer took 2381.08 ms. Allocated memory is still 680.0 MB. Free memory was 615.6 MB in the beginning and 386.7 MB in the end (delta: 228.8 MB). Peak memory consumption was 228.8 MB. Max. memory is 50.3 GB. 16.34/7.83 [2019-03-28 22:23:04,459 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.34/7.83 --- Results --- 16.34/7.83 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.34/7.83 - StatisticsResult: Initial Icfg 16.34/7.83 9 locations, 12 edges 16.34/7.83 - StatisticsResult: Encoded RCFG 16.34/7.83 5 locations, 8 edges 16.34/7.83 * Results from de.uni_freiburg.informatik.ultimate.core: 16.34/7.83 - StatisticsResult: Toolchain Benchmarks 16.34/7.83 Benchmark results are: 16.34/7.83 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.34/7.83 * CACSL2BoogieTranslator took 228.63 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 553.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.34/7.83 * Boogie Procedure Inliner took 89.81 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 553.4 MB in the beginning and 647.6 MB in the end (delta: -94.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 16.34/7.83 * Boogie Preprocessor took 20.15 ms. Allocated memory is still 680.0 MB. Free memory was 647.6 MB in the beginning and 646.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.34/7.83 * RCFGBuilder took 200.70 ms. Allocated memory is still 680.0 MB. Free memory was 646.3 MB in the beginning and 629.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 50.3 GB. 16.34/7.83 * BlockEncodingV2 took 81.29 ms. Allocated memory is still 680.0 MB. Free memory was 629.0 MB in the beginning and 625.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 16.34/7.83 * TraceAbstraction took 161.28 ms. Allocated memory is still 680.0 MB. Free memory was 623.6 MB in the beginning and 615.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.34/7.83 * BuchiAutomizer took 2381.08 ms. Allocated memory is still 680.0 MB. Free memory was 615.6 MB in the beginning and 386.7 MB in the end (delta: 228.8 MB). Peak memory consumption was 228.8 MB. Max. memory is 50.3 GB. 16.34/7.83 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.34/7.83 - AllSpecificationsHoldResult: All specifications hold 16.34/7.83 We were not able to verify any specifiation because the program does not contain any specification. 16.34/7.83 - InvariantResult [Line: 11]: Loop Invariant 16.34/7.83 Derived loop invariant: 1 16.34/7.83 - StatisticsResult: Ultimate Automizer benchmark data 16.34/7.83 CFG has 1 procedures, 5 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=5occurred 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 16.34/7.83 - StatisticsResult: Constructed decomposition of program 16.34/7.83 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 7 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 16.34/7.83 - StatisticsResult: Timing statistics 16.34/7.83 BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 35 SDslu, 23 SDs, 0 SdLazy, 88 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 16.34/7.83 - TerminationAnalysisResult: Termination proven 16.34/7.83 Buchi Automizer proved that your program is terminating 16.34/7.83 RESULT: Ultimate proved your program to be correct! 16.34/7.83 !SESSION 2019-03-28 22:22:57.845 ----------------------------------------------- 16.34/7.83 eclipse.buildId=unknown 16.34/7.83 java.version=1.8.0_181 16.34/7.83 java.vendor=Oracle Corporation 16.34/7.83 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.34/7.83 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.34/7.83 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.34/7.83 16.34/7.83 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:23:04.715 16.34/7.83 !MESSAGE The workspace will exit with unsaved changes in this session. 16.34/7.83 Received shutdown request... 16.34/7.83 Ultimate: 16.34/7.83 GTK+ Version Check 16.34/7.83 EOF