17.86/9.27 NO 17.86/9.27 17.86/9.27 Ultimate: Cannot open display: 17.86/9.27 This is Ultimate 0.1.24-8dc7c08-m 17.86/9.27 [2019-03-29 01:39:16,407 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.86/9.27 [2019-03-29 01:39:16,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.86/9.27 [2019-03-29 01:39:16,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,422 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.86/9.27 [2019-03-29 01:39:16,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.86/9.27 [2019-03-29 01:39:16,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.86/9.27 [2019-03-29 01:39:16,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.86/9.27 [2019-03-29 01:39:16,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.86/9.27 [2019-03-29 01:39:16,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.86/9.27 [2019-03-29 01:39:16,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.86/9.27 [2019-03-29 01:39:16,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.86/9.27 [2019-03-29 01:39:16,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.86/9.27 [2019-03-29 01:39:16,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.86/9.27 [2019-03-29 01:39:16,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.86/9.27 [2019-03-29 01:39:16,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.86/9.27 [2019-03-29 01:39:16,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.86/9.27 [2019-03-29 01:39:16,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.86/9.27 [2019-03-29 01:39:16,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.86/9.27 [2019-03-29 01:39:16,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.86/9.27 [2019-03-29 01:39:16,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.86/9.27 [2019-03-29 01:39:16,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.86/9.27 [2019-03-29 01:39:16,444 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.86/9.27 [2019-03-29 01:39:16,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.86/9.27 [2019-03-29 01:39:16,445 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.86/9.27 [2019-03-29 01:39:16,446 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.86/9.27 [2019-03-29 01:39:16,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.86/9.27 [2019-03-29 01:39:16,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.86/9.27 [2019-03-29 01:39:16,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.86/9.27 [2019-03-29 01:39:16,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,450 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.86/9.27 [2019-03-29 01:39:16,450 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.86/9.27 [2019-03-29 01:39:16,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.86/9.27 [2019-03-29 01:39:16,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.86/9.27 [2019-03-29 01:39:16,452 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.86/9.27 [2019-03-29 01:39:16,466 INFO L110 SettingsManager]: Loading preferences was successful 17.86/9.27 [2019-03-29 01:39:16,467 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.86/9.27 [2019-03-29 01:39:16,468 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.86/9.27 [2019-03-29 01:39:16,468 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.86/9.27 [2019-03-29 01:39:16,468 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.86/9.27 [2019-03-29 01:39:16,468 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.86/9.27 [2019-03-29 01:39:16,469 INFO L133 SettingsManager]: * Use SBE=true 17.86/9.27 [2019-03-29 01:39:16,469 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.86/9.27 [2019-03-29 01:39:16,469 INFO L133 SettingsManager]: * Use old map elimination=false 17.86/9.27 [2019-03-29 01:39:16,469 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.86/9.27 [2019-03-29 01:39:16,469 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.86/9.27 [2019-03-29 01:39:16,469 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.86/9.27 [2019-03-29 01:39:16,470 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.86/9.27 [2019-03-29 01:39:16,470 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.86/9.27 [2019-03-29 01:39:16,470 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:16,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.86/9.27 [2019-03-29 01:39:16,470 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.86/9.27 [2019-03-29 01:39:16,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.86/9.27 [2019-03-29 01:39:16,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.86/9.27 [2019-03-29 01:39:16,471 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.86/9.27 [2019-03-29 01:39:16,471 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.86/9.27 [2019-03-29 01:39:16,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.86/9.27 [2019-03-29 01:39:16,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.86/9.27 [2019-03-29 01:39:16,472 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.86/9.27 [2019-03-29 01:39:16,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.86/9.27 [2019-03-29 01:39:16,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.86/9.27 [2019-03-29 01:39:16,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.86/9.27 [2019-03-29 01:39:16,472 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.86/9.27 [2019-03-29 01:39:16,472 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.86/9.27 [2019-03-29 01:39:16,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.86/9.27 [2019-03-29 01:39:16,513 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.86/9.27 [2019-03-29 01:39:16,516 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.86/9.27 [2019-03-29 01:39:16,518 INFO L271 PluginConnector]: Initializing CDTParser... 17.86/9.27 [2019-03-29 01:39:16,518 INFO L276 PluginConnector]: CDTParser initialized 17.86/9.27 [2019-03-29 01:39:16,519 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.86/9.27 [2019-03-29 01:39:16,591 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/c9db3985b85e4d5ba707c82e925219cd/FLAG97fe1b9ef 17.86/9.27 [2019-03-29 01:39:16,927 INFO L307 CDTParser]: Found 1 translation units. 17.86/9.27 [2019-03-29 01:39:16,928 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.86/9.27 [2019-03-29 01:39:16,934 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/c9db3985b85e4d5ba707c82e925219cd/FLAG97fe1b9ef 17.86/9.27 [2019-03-29 01:39:17,338 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/c9db3985b85e4d5ba707c82e925219cd 17.86/9.27 [2019-03-29 01:39:17,350 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.86/9.27 [2019-03-29 01:39:17,352 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.86/9.27 [2019-03-29 01:39:17,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.86/9.27 [2019-03-29 01:39:17,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.86/9.27 [2019-03-29 01:39:17,357 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.86/9.27 [2019-03-29 01:39:17,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574068a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:17,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.86/9.27 [2019-03-29 01:39:17,387 INFO L176 MainTranslator]: Built tables and reachable declarations 17.86/9.27 [2019-03-29 01:39:17,541 INFO L206 PostProcessor]: Analyzing one entry point: main 17.86/9.27 [2019-03-29 01:39:17,545 INFO L191 MainTranslator]: Completed pre-run 17.86/9.27 [2019-03-29 01:39:17,562 INFO L206 PostProcessor]: Analyzing one entry point: main 17.86/9.27 [2019-03-29 01:39:17,577 INFO L195 MainTranslator]: Completed translation 17.86/9.27 [2019-03-29 01:39:17,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17 WrapperNode 17.86/9.27 [2019-03-29 01:39:17,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.86/9.27 [2019-03-29 01:39:17,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.86/9.27 [2019-03-29 01:39:17,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.86/9.27 [2019-03-29 01:39:17,578 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.86/9.27 [2019-03-29 01:39:17,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.86/9.27 [2019-03-29 01:39:17,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.86/9.27 [2019-03-29 01:39:17,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.86/9.27 [2019-03-29 01:39:17,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.86/9.27 [2019-03-29 01:39:17,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.86/9.27 [2019-03-29 01:39:17,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.86/9.27 [2019-03-29 01:39:17,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.86/9.27 [2019-03-29 01:39:17,693 INFO L276 PluginConnector]: RCFGBuilder initialized 17.86/9.27 [2019-03-29 01:39:17,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (1/1) ... 17.86/9.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.27 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.86/9.27 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.86/9.27 [2019-03-29 01:39:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.86/9.27 [2019-03-29 01:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.86/9.27 [2019-03-29 01:39:17,886 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.86/9.27 [2019-03-29 01:39:17,886 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 17.86/9.27 [2019-03-29 01:39:17,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:17 BoogieIcfgContainer 17.86/9.27 [2019-03-29 01:39:17,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.86/9.27 [2019-03-29 01:39:17,888 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.86/9.27 [2019-03-29 01:39:17,888 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.86/9.27 [2019-03-29 01:39:17,890 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.86/9.27 [2019-03-29 01:39:17,891 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:17" (1/1) ... 17.86/9.27 [2019-03-29 01:39:17,905 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 17.86/9.27 [2019-03-29 01:39:17,907 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.86/9.27 [2019-03-29 01:39:17,907 INFO L263 BlockEncoder]: Using Maximize final states 17.86/9.27 [2019-03-29 01:39:17,908 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.86/9.27 [2019-03-29 01:39:17,908 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.86/9.27 [2019-03-29 01:39:17,910 INFO L296 BlockEncoder]: Using Remove sink states 17.86/9.27 [2019-03-29 01:39:17,911 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.86/9.27 [2019-03-29 01:39:17,911 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.86/9.27 [2019-03-29 01:39:17,925 INFO L185 BlockEncoder]: Using Use SBE 17.86/9.27 [2019-03-29 01:39:17,939 INFO L200 BlockEncoder]: SBE split 1 edges 17.86/9.27 [2019-03-29 01:39:17,944 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 17.86/9.27 [2019-03-29 01:39:17,945 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.86/9.27 [2019-03-29 01:39:17,955 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 17.86/9.27 [2019-03-29 01:39:17,957 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 17.86/9.27 [2019-03-29 01:39:17,958 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.86/9.27 [2019-03-29 01:39:17,958 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.86/9.27 [2019-03-29 01:39:17,959 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.86/9.27 [2019-03-29 01:39:17,959 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.86/9.27 [2019-03-29 01:39:17,959 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 17.86/9.27 [2019-03-29 01:39:17,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:17 BasicIcfg 17.86/9.27 [2019-03-29 01:39:17,960 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.86/9.27 [2019-03-29 01:39:17,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.86/9.27 [2019-03-29 01:39:17,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.86/9.27 [2019-03-29 01:39:17,964 INFO L276 PluginConnector]: TraceAbstraction initialized 17.86/9.27 [2019-03-29 01:39:17,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:39:17" (1/4) ... 17.86/9.27 [2019-03-29 01:39:17,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298589a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:39:17, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:17,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (2/4) ... 17.86/9.27 [2019-03-29 01:39:17,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298589a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:39:17, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:17,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:17" (3/4) ... 17.86/9.27 [2019-03-29 01:39:17,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298589a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:17, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:17,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:17" (4/4) ... 17.86/9.27 [2019-03-29 01:39:17,968 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.86/9.27 [2019-03-29 01:39:17,978 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.86/9.27 [2019-03-29 01:39:17,985 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.86/9.27 [2019-03-29 01:39:18,003 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.86/9.27 [2019-03-29 01:39:18,031 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.86/9.27 [2019-03-29 01:39:18,032 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.86/9.27 [2019-03-29 01:39:18,032 INFO L383 AbstractCegarLoop]: Hoare is true 17.86/9.27 [2019-03-29 01:39:18,032 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.86/9.27 [2019-03-29 01:39:18,032 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.86/9.27 [2019-03-29 01:39:18,033 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.86/9.27 [2019-03-29 01:39:18,033 INFO L387 AbstractCegarLoop]: Difference is false 17.86/9.27 [2019-03-29 01:39:18,033 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.86/9.27 [2019-03-29 01:39:18,033 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.86/9.27 [2019-03-29 01:39:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 17.86/9.27 [2019-03-29 01:39:18,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.86/9.27 [2019-03-29 01:39:18,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 17.86/9.27 [2019-03-29 01:39:18,105 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 13 25) the Hoare annotation is: true 17.86/9.27 [2019-03-29 01:39:18,105 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 24) no Hoare annotation was computed. 17.86/9.27 [2019-03-29 01:39:18,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.86/9.27 [2019-03-29 01:39:18,105 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. 17.86/9.27 [2019-03-29 01:39:18,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:18 BasicIcfg 17.86/9.27 [2019-03-29 01:39:18,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.86/9.27 [2019-03-29 01:39:18,114 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.86/9.27 [2019-03-29 01:39:18,115 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.86/9.27 [2019-03-29 01:39:18,118 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.86/9.27 [2019-03-29 01:39:18,119 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.86/9.27 [2019-03-29 01:39:18,119 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:39:17" (1/5) ... 17.86/9.27 [2019-03-29 01:39:18,119 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f2be37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:39:18, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:18,120 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.86/9.27 [2019-03-29 01:39:18,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:17" (2/5) ... 17.86/9.27 [2019-03-29 01:39:18,120 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f2be37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:39:18, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:18,120 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.86/9.27 [2019-03-29 01:39:18,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:17" (3/5) ... 17.86/9.27 [2019-03-29 01:39:18,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f2be37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:18, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:18,121 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.86/9.27 [2019-03-29 01:39:18,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:17" (4/5) ... 17.86/9.27 [2019-03-29 01:39:18,122 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f2be37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:18, skipping insertion in model container 17.86/9.27 [2019-03-29 01:39:18,122 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.86/9.27 [2019-03-29 01:39:18,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:18" (5/5) ... 17.86/9.27 [2019-03-29 01:39:18,123 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.86/9.27 [2019-03-29 01:39:18,150 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.86/9.27 [2019-03-29 01:39:18,151 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.86/9.27 [2019-03-29 01:39:18,151 INFO L375 BuchiCegarLoop]: Hoare is true 17.86/9.27 [2019-03-29 01:39:18,151 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.86/9.27 [2019-03-29 01:39:18,152 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.86/9.27 [2019-03-29 01:39:18,152 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.86/9.27 [2019-03-29 01:39:18,152 INFO L379 BuchiCegarLoop]: Difference is false 17.86/9.27 [2019-03-29 01:39:18,152 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.86/9.27 [2019-03-29 01:39:18,152 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.86/9.27 [2019-03-29 01:39:18,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.86/9.27 [2019-03-29 01:39:18,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.86/9.27 [2019-03-29 01:39:18,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.27 [2019-03-29 01:39:18,174 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.27 [2019-03-29 01:39:18,181 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.86/9.27 [2019-03-29 01:39:18,181 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.86/9.27 [2019-03-29 01:39:18,181 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.86/9.27 [2019-03-29 01:39:18,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.86/9.27 [2019-03-29 01:39:18,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.86/9.27 [2019-03-29 01:39:18,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.27 [2019-03-29 01:39:18,182 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.27 [2019-03-29 01:39:18,183 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.86/9.27 [2019-03-29 01:39:18,183 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.86/9.27 [2019-03-29 01:39:18,188 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [29] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 4#L19-2true 17.86/9.27 [2019-03-29 01:39:18,188 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 6#L14true [38] L14-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_12 v_ULTIMATE.start_main_~j~0_12) (= v_ULTIMATE.start_main_~j~0_11 v_ULTIMATE.start_main_~t~0_6) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_12) (= v_ULTIMATE.start_main_~i~0_11 v_ULTIMATE.start_main_~j~0_12)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_12, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 4#L19-2true 17.86/9.27 [2019-03-29 01:39:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.27 [2019-03-29 01:39:18,195 INFO L82 PathProgramCache]: Analyzing trace with hash 60, now seen corresponding path program 1 times 17.86/9.27 [2019-03-29 01:39:18,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.27 [2019-03-29 01:39:18,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.27 [2019-03-29 01:39:18,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.27 [2019-03-29 01:39:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.27 [2019-03-29 01:39:18,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.27 [2019-03-29 01:39:18,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2053, now seen corresponding path program 1 times 17.86/9.27 [2019-03-29 01:39:18,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.27 [2019-03-29 01:39:18,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.27 [2019-03-29 01:39:18,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.27 [2019-03-29 01:39:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.27 [2019-03-29 01:39:18,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.27 [2019-03-29 01:39:18,284 INFO L82 PathProgramCache]: Analyzing trace with hash 58752, now seen corresponding path program 1 times 17.86/9.27 [2019-03-29 01:39:18,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.27 [2019-03-29 01:39:18,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.27 [2019-03-29 01:39:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.27 [2019-03-29 01:39:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.27 [2019-03-29 01:39:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.27 [2019-03-29 01:39:18,368 INFO L216 LassoAnalysis]: Preferences: 17.86/9.27 [2019-03-29 01:39:18,369 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.27 [2019-03-29 01:39:18,369 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.27 [2019-03-29 01:39:18,369 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.27 [2019-03-29 01:39:18,370 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.86/9.27 [2019-03-29 01:39:18,370 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:18,370 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.27 [2019-03-29 01:39:18,370 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.27 [2019-03-29 01:39:18,370 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.86/9.27 [2019-03-29 01:39:18,370 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.27 [2019-03-29 01:39:18,371 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.27 [2019-03-29 01:39:18,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.27 [2019-03-29 01:39:18,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.27 [2019-03-29 01:39:18,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.27 [2019-03-29 01:39:18,557 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.27 [2019-03-29 01:39:18,558 INFO L412 LassoAnalysis]: Checking for nontermination... 17.86/9.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.27 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.27 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:18,566 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.27 [2019-03-29 01:39:18,566 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.27 [2019-03-29 01:39:18,601 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.27 [2019-03-29 01:39:18,601 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: [] 17.86/9.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.27 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.27 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:18,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.27 [2019-03-29 01:39:18,609 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.27 [2019-03-29 01:39:18,637 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.27 [2019-03-29 01:39:18,637 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: [] 17.86/9.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.27 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.27 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:18,642 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.27 [2019-03-29 01:39:18,642 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.27 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.27 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:18,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.86/9.27 [2019-03-29 01:39:18,679 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.27 [2019-03-29 01:39:19,237 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.86/9.27 [2019-03-29 01:39:19,240 INFO L216 LassoAnalysis]: Preferences: 17.86/9.27 [2019-03-29 01:39:19,256 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.27 [2019-03-29 01:39:19,256 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.27 [2019-03-29 01:39:19,256 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.27 [2019-03-29 01:39:19,256 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.86/9.27 [2019-03-29 01:39:19,256 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.86/9.27 [2019-03-29 01:39:19,256 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.27 [2019-03-29 01:39:19,256 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.27 [2019-03-29 01:39:19,257 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.86/9.27 [2019-03-29 01:39:19,257 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.27 [2019-03-29 01:39:19,257 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.27 [2019-03-29 01:39:19,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.27 [2019-03-29 01:39:19,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.27 [2019-03-29 01:39:19,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.27 [2019-03-29 01:39:19,343 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.27 [2019-03-29 01:39:19,349 INFO L497 LassoAnalysis]: Using template 'affine'. 17.86/9.27 [2019-03-29 01:39:19,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.27 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.27 Number of strict supporting invariants: 0 17.86/9.27 Number of non-strict supporting invariants: 1 17.86/9.27 Consider only non-deceasing supporting invariants: true 17.86/9.27 Simplify termination arguments: true 17.86/9.27 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.27 [2019-03-29 01:39:19,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.27 [2019-03-29 01:39:19,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.27 [2019-03-29 01:39:19,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.27 [2019-03-29 01:39:19,353 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.27 [2019-03-29 01:39:19,357 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.86/9.27 [2019-03-29 01:39:19,358 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.86/9.27 [2019-03-29 01:39:19,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.86/9.27 [2019-03-29 01:39:19,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.27 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.27 Number of strict supporting invariants: 0 17.86/9.27 Number of non-strict supporting invariants: 1 17.86/9.27 Consider only non-deceasing supporting invariants: true 17.86/9.27 Simplify termination arguments: true 17.86/9.27 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.27 [2019-03-29 01:39:19,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.27 [2019-03-29 01:39:19,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.27 [2019-03-29 01:39:19,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.27 [2019-03-29 01:39:19,367 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.27 [2019-03-29 01:39:19,370 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.86/9.27 [2019-03-29 01:39:19,370 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.86/9.27 [2019-03-29 01:39:19,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.86/9.27 [2019-03-29 01:39:19,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.27 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.27 Number of strict supporting invariants: 0 17.86/9.27 Number of non-strict supporting invariants: 1 17.86/9.27 Consider only non-deceasing supporting invariants: true 17.86/9.27 Simplify termination arguments: true 17.86/9.27 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.27 [2019-03-29 01:39:19,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.27 [2019-03-29 01:39:19,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.86/9.27 [2019-03-29 01:39:19,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.27 [2019-03-29 01:39:19,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.27 [2019-03-29 01:39:19,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.27 [2019-03-29 01:39:19,381 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.86/9.27 [2019-03-29 01:39:19,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.86/9.27 [2019-03-29 01:39:19,398 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.86/9.27 [2019-03-29 01:39:19,409 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.86/9.27 [2019-03-29 01:39:19,410 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 17.86/9.27 [2019-03-29 01:39:19,412 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.86/9.27 [2019-03-29 01:39:19,412 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.86/9.27 [2019-03-29 01:39:19,412 INFO L518 LassoAnalysis]: Proved termination. 17.86/9.27 [2019-03-29 01:39:19,413 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.86/9.27 Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 17.86/9.27 Supporting invariants [] 17.86/9.27 [2019-03-29 01:39:19,415 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.86/9.27 [2019-03-29 01:39:19,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.27 [2019-03-29 01:39:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.27 [2019-03-29 01:39:19,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 17.86/9.27 [2019-03-29 01:39:19,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.27 [2019-03-29 01:39:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.27 [2019-03-29 01:39:19,457 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core 17.86/9.27 [2019-03-29 01:39:19,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.27 [2019-03-29 01:39:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.86/9.27 [2019-03-29 01:39:19,504 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.86/9.27 [2019-03-29 01:39:19,509 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 17.86/9.27 [2019-03-29 01:39:19,510 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 17.86/9.27 [2019-03-29 01:39:19,584 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 19 states and 29 transitions. Complement of second has 9 states. 17.86/9.27 [2019-03-29 01:39:19,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states 17.86/9.27 [2019-03-29 01:39:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.86/9.27 [2019-03-29 01:39:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. 17.86/9.27 [2019-03-29 01:39:19,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. 17.86/9.27 [2019-03-29 01:39:19,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.27 [2019-03-29 01:39:19,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. 17.86/9.27 [2019-03-29 01:39:19,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.27 [2019-03-29 01:39:19,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. 17.86/9.27 [2019-03-29 01:39:19,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.27 [2019-03-29 01:39:19,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 29 transitions. 17.86/9.27 [2019-03-29 01:39:19,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 17.86/9.27 [2019-03-29 01:39:19,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 24 transitions. 17.86/9.27 [2019-03-29 01:39:19,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 17.86/9.27 [2019-03-29 01:39:19,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 17.86/9.27 [2019-03-29 01:39:19,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. 17.86/9.27 [2019-03-29 01:39:19,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.86/9.27 [2019-03-29 01:39:19,606 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. 17.86/9.27 [2019-03-29 01:39:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. 17.86/9.27 [2019-03-29 01:39:19,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. 17.86/9.27 [2019-03-29 01:39:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 17.86/9.27 [2019-03-29 01:39:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. 17.86/9.27 [2019-03-29 01:39:19,636 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 17.86/9.27 [2019-03-29 01:39:19,636 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 17.86/9.27 [2019-03-29 01:39:19,636 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.86/9.27 [2019-03-29 01:39:19,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 18 transitions. 17.86/9.27 [2019-03-29 01:39:19,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 17.86/9.27 [2019-03-29 01:39:19,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.28 [2019-03-29 01:39:19,637 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.28 [2019-03-29 01:39:19,637 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.86/9.28 [2019-03-29 01:39:19,637 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.86/9.28 [2019-03-29 01:39:19,638 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 68#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 70#L14 17.86/9.28 [2019-03-29 01:39:19,638 INFO L796 eck$LassoCheckResult]: Loop: 70#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 76#L19 [42] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~j~0_8 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1)))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 69#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 70#L14 17.86/9.28 [2019-03-29 01:39:19,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:19,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:19,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:19,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:19,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:19,648 INFO L82 PathProgramCache]: Analyzing trace with hash 70528, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:19,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:19,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:19,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:19,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:19,656 INFO L82 PathProgramCache]: Analyzing trace with hash 56464891, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:19,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:19,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:19,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:19,700 INFO L216 LassoAnalysis]: Preferences: 17.86/9.28 [2019-03-29 01:39:19,701 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.28 [2019-03-29 01:39:19,701 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.28 [2019-03-29 01:39:19,701 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.28 [2019-03-29 01:39:19,701 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.86/9.28 [2019-03-29 01:39:19,701 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:19,701 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.28 [2019-03-29 01:39:19,702 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.28 [2019-03-29 01:39:19,702 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.86/9.28 [2019-03-29 01:39:19,702 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.28 [2019-03-29 01:39:19,702 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.28 [2019-03-29 01:39:19,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:19,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:19,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:19,787 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.28 [2019-03-29 01:39:19,787 INFO L412 LassoAnalysis]: Checking for nontermination... 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:19,793 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:19,793 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:19,822 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:19,822 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: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:19,828 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:19,829 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:19,857 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:19,857 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: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:19,863 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:19,863 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:19,898 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:19,898 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:20,022 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.86/9.28 [2019-03-29 01:39:20,025 INFO L216 LassoAnalysis]: Preferences: 17.86/9.28 [2019-03-29 01:39:20,025 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.28 [2019-03-29 01:39:20,025 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.28 [2019-03-29 01:39:20,026 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.28 [2019-03-29 01:39:20,026 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.86/9.28 [2019-03-29 01:39:20,026 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,026 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.28 [2019-03-29 01:39:20,026 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.28 [2019-03-29 01:39:20,026 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.86/9.28 [2019-03-29 01:39:20,026 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.28 [2019-03-29 01:39:20,026 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.28 [2019-03-29 01:39:20,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,103 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.28 [2019-03-29 01:39:20,103 INFO L497 LassoAnalysis]: Using template 'affine'. 17.86/9.28 [2019-03-29 01:39:20,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.28 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.28 Number of strict supporting invariants: 0 17.86/9.28 Number of non-strict supporting invariants: 1 17.86/9.28 Consider only non-deceasing supporting invariants: true 17.86/9.28 Simplify termination arguments: true 17.86/9.28 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.28 [2019-03-29 01:39:20,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.28 [2019-03-29 01:39:20,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.28 [2019-03-29 01:39:20,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.28 [2019-03-29 01:39:20,105 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.28 [2019-03-29 01:39:20,107 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.86/9.28 [2019-03-29 01:39:20,107 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.86/9.28 [2019-03-29 01:39:20,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.86/9.28 [2019-03-29 01:39:20,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.28 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.28 Number of strict supporting invariants: 0 17.86/9.28 Number of non-strict supporting invariants: 1 17.86/9.28 Consider only non-deceasing supporting invariants: true 17.86/9.28 Simplify termination arguments: true 17.86/9.28 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.28 [2019-03-29 01:39:20,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.28 [2019-03-29 01:39:20,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.28 [2019-03-29 01:39:20,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.28 [2019-03-29 01:39:20,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.28 [2019-03-29 01:39:20,115 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.86/9.28 [2019-03-29 01:39:20,115 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.86/9.28 [2019-03-29 01:39:20,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.86/9.28 [2019-03-29 01:39:20,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.28 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.28 Number of strict supporting invariants: 0 17.86/9.28 Number of non-strict supporting invariants: 1 17.86/9.28 Consider only non-deceasing supporting invariants: true 17.86/9.28 Simplify termination arguments: true 17.86/9.28 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.28 [2019-03-29 01:39:20,122 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.28 [2019-03-29 01:39:20,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.86/9.28 [2019-03-29 01:39:20,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.28 [2019-03-29 01:39:20,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.28 [2019-03-29 01:39:20,123 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.28 [2019-03-29 01:39:20,124 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.86/9.28 [2019-03-29 01:39:20,124 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.86/9.28 [2019-03-29 01:39:20,129 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.86/9.28 [2019-03-29 01:39:20,136 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.86/9.28 [2019-03-29 01:39:20,136 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 17.86/9.28 [2019-03-29 01:39:20,137 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.86/9.28 [2019-03-29 01:39:20,137 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.86/9.28 [2019-03-29 01:39:20,137 INFO L518 LassoAnalysis]: Proved termination. 17.86/9.28 [2019-03-29 01:39:20,137 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.86/9.28 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 17.86/9.28 Supporting invariants [] 17.86/9.28 [2019-03-29 01:39:20,138 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.86/9.28 [2019-03-29 01:39:20,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:20,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 17.86/9.28 [2019-03-29 01:39:20,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.28 [2019-03-29 01:39:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:20,164 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.86/9.28 [2019-03-29 01:39:20,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.28 [2019-03-29 01:39:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.86/9.28 [2019-03-29 01:39:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:20,188 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.86/9.28 [2019-03-29 01:39:20,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.28 [2019-03-29 01:39:20,218 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 17.86/9.28 [2019-03-29 01:39:20,218 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 17.86/9.28 [2019-03-29 01:39:20,219 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 18 transitions. cyclomatic complexity: 9 Second operand 4 states. 17.86/9.28 [2019-03-29 01:39:20,294 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 18 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 55 states and 82 transitions. Complement of second has 20 states. 17.86/9.28 [2019-03-29 01:39:20,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 17.86/9.28 [2019-03-29 01:39:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.86/9.28 [2019-03-29 01:39:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. 17.86/9.28 [2019-03-29 01:39:20,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 3 letters. 17.86/9.28 [2019-03-29 01:39:20,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.28 [2019-03-29 01:39:20,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 3 letters. 17.86/9.28 [2019-03-29 01:39:20,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.28 [2019-03-29 01:39:20,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. 17.86/9.28 [2019-03-29 01:39:20,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.28 [2019-03-29 01:39:20,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 82 transitions. 17.86/9.28 [2019-03-29 01:39:20,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 17.86/9.28 [2019-03-29 01:39:20,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 38 states and 56 transitions. 17.86/9.28 [2019-03-29 01:39:20,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 17.86/9.28 [2019-03-29 01:39:20,306 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 17.86/9.28 [2019-03-29 01:39:20,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 56 transitions. 17.86/9.28 [2019-03-29 01:39:20,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.86/9.28 [2019-03-29 01:39:20,307 INFO L706 BuchiCegarLoop]: Abstraction has 38 states and 56 transitions. 17.86/9.28 [2019-03-29 01:39:20,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 56 transitions. 17.86/9.28 [2019-03-29 01:39:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 22. 17.86/9.28 [2019-03-29 01:39:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. 17.86/9.28 [2019-03-29 01:39:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 34 transitions. 17.86/9.28 [2019-03-29 01:39:20,310 INFO L729 BuchiCegarLoop]: Abstraction has 22 states and 34 transitions. 17.86/9.28 [2019-03-29 01:39:20,310 INFO L609 BuchiCegarLoop]: Abstraction has 22 states and 34 transitions. 17.86/9.28 [2019-03-29 01:39:20,310 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.86/9.28 [2019-03-29 01:39:20,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 34 transitions. 17.86/9.28 [2019-03-29 01:39:20,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 17.86/9.28 [2019-03-29 01:39:20,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.28 [2019-03-29 01:39:20,312 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.28 [2019-03-29 01:39:20,312 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.86/9.28 [2019-03-29 01:39:20,312 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.86/9.28 [2019-03-29 01:39:20,313 INFO L794 eck$LassoCheckResult]: Stem: 198#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 199#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 200#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 205#L19 17.86/9.28 [2019-03-29 01:39:20,313 INFO L796 eck$LassoCheckResult]: Loop: 205#L19 [35] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 v_ULTIMATE.start_main_~i~0_6) (< v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 206#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 210#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 205#L19 17.86/9.28 [2019-03-29 01:39:20,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:20,313 INFO L82 PathProgramCache]: Analyzing trace with hash 58755, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:20,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:20,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:20,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash 64521, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:20,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:20,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:20,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:20,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:20,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1750404935, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:20,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:20,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:20,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:20,362 INFO L216 LassoAnalysis]: Preferences: 17.86/9.28 [2019-03-29 01:39:20,362 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.28 [2019-03-29 01:39:20,362 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.28 [2019-03-29 01:39:20,362 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.28 [2019-03-29 01:39:20,363 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.86/9.28 [2019-03-29 01:39:20,363 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,363 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.28 [2019-03-29 01:39:20,363 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.28 [2019-03-29 01:39:20,364 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.86/9.28 [2019-03-29 01:39:20,364 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.28 [2019-03-29 01:39:20,364 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.28 [2019-03-29 01:39:20,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,424 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.28 [2019-03-29 01:39:20,424 INFO L412 LassoAnalysis]: Checking for nontermination... 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,433 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:20,433 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:20,461 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:20,461 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,467 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:20,467 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:20,494 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:20,494 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,499 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:20,499 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,534 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:20,534 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:20,784 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.86/9.28 [2019-03-29 01:39:20,787 INFO L216 LassoAnalysis]: Preferences: 17.86/9.28 [2019-03-29 01:39:20,787 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.28 [2019-03-29 01:39:20,787 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.28 [2019-03-29 01:39:20,788 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.28 [2019-03-29 01:39:20,788 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.86/9.28 [2019-03-29 01:39:20,788 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:20,788 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.28 [2019-03-29 01:39:20,788 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.28 [2019-03-29 01:39:20,788 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.86/9.28 [2019-03-29 01:39:20,788 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.28 [2019-03-29 01:39:20,788 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.28 [2019-03-29 01:39:20,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:20,842 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.28 [2019-03-29 01:39:20,842 INFO L497 LassoAnalysis]: Using template 'affine'. 17.86/9.28 [2019-03-29 01:39:20,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.28 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.28 Number of strict supporting invariants: 0 17.86/9.28 Number of non-strict supporting invariants: 1 17.86/9.28 Consider only non-deceasing supporting invariants: true 17.86/9.28 Simplify termination arguments: true 17.86/9.28 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.28 [2019-03-29 01:39:20,843 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.28 [2019-03-29 01:39:20,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.28 [2019-03-29 01:39:20,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.28 [2019-03-29 01:39:20,844 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.28 [2019-03-29 01:39:20,845 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.86/9.28 [2019-03-29 01:39:20,845 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.86/9.28 [2019-03-29 01:39:20,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.86/9.28 [2019-03-29 01:39:20,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.86/9.28 Termination analysis: LINEAR_WITH_GUESSES 17.86/9.28 Number of strict supporting invariants: 0 17.86/9.28 Number of non-strict supporting invariants: 1 17.86/9.28 Consider only non-deceasing supporting invariants: true 17.86/9.28 Simplify termination arguments: true 17.86/9.28 Simplify supporting invariants: trueOverapproximate stem: false 17.86/9.28 [2019-03-29 01:39:20,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.86/9.28 [2019-03-29 01:39:20,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.86/9.28 [2019-03-29 01:39:20,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.86/9.28 [2019-03-29 01:39:20,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.86/9.28 [2019-03-29 01:39:20,852 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.86/9.28 [2019-03-29 01:39:20,852 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.86/9.28 [2019-03-29 01:39:20,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.86/9.28 [2019-03-29 01:39:20,855 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.86/9.28 [2019-03-29 01:39:20,860 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.86/9.28 [2019-03-29 01:39:20,861 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 17.86/9.28 [2019-03-29 01:39:20,861 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.86/9.28 [2019-03-29 01:39:20,861 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.86/9.28 [2019-03-29 01:39:20,861 INFO L518 LassoAnalysis]: Proved termination. 17.86/9.28 [2019-03-29 01:39:20,861 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.86/9.28 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~j~0 17.86/9.28 Supporting invariants [] 17.86/9.28 [2019-03-29 01:39:20,862 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.86/9.28 [2019-03-29 01:39:20,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:20,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 17.86/9.28 [2019-03-29 01:39:20,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.28 [2019-03-29 01:39:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:20,890 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.86/9.28 [2019-03-29 01:39:20,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.28 [2019-03-29 01:39:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.86/9.28 [2019-03-29 01:39:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:20,924 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.86/9.28 [2019-03-29 01:39:20,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.86/9.28 [2019-03-29 01:39:20,927 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 17.86/9.28 [2019-03-29 01:39:20,927 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 17.86/9.28 [2019-03-29 01:39:20,927 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 22 states and 34 transitions. cyclomatic complexity: 15 Second operand 3 states. 17.86/9.28 [2019-03-29 01:39:21,025 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 22 states and 34 transitions. cyclomatic complexity: 15. Second operand 3 states. Result 66 states and 101 transitions. Complement of second has 14 states. 17.86/9.28 [2019-03-29 01:39:21,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states 17.86/9.28 [2019-03-29 01:39:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.86/9.28 [2019-03-29 01:39:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. 17.86/9.28 [2019-03-29 01:39:21,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. 17.86/9.28 [2019-03-29 01:39:21,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.28 [2019-03-29 01:39:21,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. 17.86/9.28 [2019-03-29 01:39:21,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.28 [2019-03-29 01:39:21,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. 17.86/9.28 [2019-03-29 01:39:21,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.86/9.28 [2019-03-29 01:39:21,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 101 transitions. 17.86/9.28 [2019-03-29 01:39:21,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 17.86/9.28 [2019-03-29 01:39:21,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 22 states and 31 transitions. 17.86/9.28 [2019-03-29 01:39:21,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 17.86/9.28 [2019-03-29 01:39:21,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 17.86/9.28 [2019-03-29 01:39:21,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. 17.86/9.28 [2019-03-29 01:39:21,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.86/9.28 [2019-03-29 01:39:21,035 INFO L706 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. 17.86/9.28 [2019-03-29 01:39:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. 17.86/9.28 [2019-03-29 01:39:21,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. 17.86/9.28 [2019-03-29 01:39:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. 17.86/9.28 [2019-03-29 01:39:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. 17.86/9.28 [2019-03-29 01:39:21,038 INFO L729 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. 17.86/9.28 [2019-03-29 01:39:21,038 INFO L609 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. 17.86/9.28 [2019-03-29 01:39:21,038 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.86/9.28 [2019-03-29 01:39:21,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. 17.86/9.28 [2019-03-29 01:39:21,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 17.86/9.28 [2019-03-29 01:39:21,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.28 [2019-03-29 01:39:21,039 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.28 [2019-03-29 01:39:21,040 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.86/9.28 [2019-03-29 01:39:21,040 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 17.86/9.28 [2019-03-29 01:39:21,040 INFO L794 eck$LassoCheckResult]: Stem: 347#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 348#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 357#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 354#L19 17.86/9.28 [2019-03-29 01:39:21,040 INFO L796 eck$LassoCheckResult]: Loop: 354#L19 [35] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 v_ULTIMATE.start_main_~i~0_6) (< v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 349#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 350#L14 [38] L14-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_12 v_ULTIMATE.start_main_~j~0_12) (= v_ULTIMATE.start_main_~j~0_11 v_ULTIMATE.start_main_~t~0_6) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_12) (= v_ULTIMATE.start_main_~i~0_11 v_ULTIMATE.start_main_~j~0_12)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_12, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 356#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 359#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 354#L19 17.86/9.28 [2019-03-29 01:39:21,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,041 INFO L82 PathProgramCache]: Analyzing trace with hash 58755, now seen corresponding path program 2 times 17.86/9.28 [2019-03-29 01:39:21,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,049 INFO L82 PathProgramCache]: Analyzing trace with hash 62002893, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:21,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,050 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.86/9.28 [2019-03-29 01:39:21,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.86/9.28 [2019-03-29 01:39:21,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 17.86/9.28 [2019-03-29 01:39:21,088 INFO L811 eck$LassoCheckResult]: loop already infeasible 17.86/9.28 [2019-03-29 01:39:21,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.86/9.28 [2019-03-29 01:39:21,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.86/9.28 [2019-03-29 01:39:21,092 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 11 Second operand 3 states. 17.86/9.28 [2019-03-29 01:39:21,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.86/9.28 [2019-03-29 01:39:21,108 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. 17.86/9.28 [2019-03-29 01:39:21,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.86/9.28 [2019-03-29 01:39:21,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. 17.86/9.28 [2019-03-29 01:39:21,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 17.86/9.28 [2019-03-29 01:39:21,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 21 states and 27 transitions. 17.86/9.28 [2019-03-29 01:39:21,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 17.86/9.28 [2019-03-29 01:39:21,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 17.86/9.28 [2019-03-29 01:39:21,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. 17.86/9.28 [2019-03-29 01:39:21,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.86/9.28 [2019-03-29 01:39:21,113 INFO L706 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. 17.86/9.28 [2019-03-29 01:39:21,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. 17.86/9.28 [2019-03-29 01:39:21,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. 17.86/9.28 [2019-03-29 01:39:21,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. 17.86/9.28 [2019-03-29 01:39:21,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,115 INFO L729 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,115 INFO L609 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,115 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 17.86/9.28 [2019-03-29 01:39:21,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 17.86/9.28 [2019-03-29 01:39:21,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.28 [2019-03-29 01:39:21,116 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.28 [2019-03-29 01:39:21,117 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1] 17.86/9.28 [2019-03-29 01:39:21,117 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 17.86/9.28 [2019-03-29 01:39:21,117 INFO L794 eck$LassoCheckResult]: Stem: 397#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~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_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 398#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 409#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 403#L19 [35] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 v_ULTIMATE.start_main_~i~0_6) (< v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 401#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 402#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 405#L19 [42] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~j~0_8 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1)))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 407#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 406#L14 17.86/9.28 [2019-03-29 01:39:21,118 INFO L796 eck$LassoCheckResult]: Loop: 406#L14 [38] L14-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_12 v_ULTIMATE.start_main_~j~0_12) (= v_ULTIMATE.start_main_~j~0_11 v_ULTIMATE.start_main_~t~0_6) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_12) (= v_ULTIMATE.start_main_~i~0_11 v_ULTIMATE.start_main_~j~0_12)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_12, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 399#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 400#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 404#L19 [42] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~j~0_8 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1)))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 407#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 406#L14 17.86/9.28 [2019-03-29 01:39:21,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1488036161, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:21,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash 64776580, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:21,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.86/9.28 [2019-03-29 01:39:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.86/9.28 [2019-03-29 01:39:21,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.86/9.28 [2019-03-29 01:39:21,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 17.86/9.28 [2019-03-29 01:39:21,159 INFO L811 eck$LassoCheckResult]: loop already infeasible 17.86/9.28 [2019-03-29 01:39:21,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.86/9.28 [2019-03-29 01:39:21,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.86/9.28 [2019-03-29 01:39:21,160 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. 17.86/9.28 [2019-03-29 01:39:21,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.86/9.28 [2019-03-29 01:39:21,175 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. 17.86/9.28 [2019-03-29 01:39:21,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.86/9.28 [2019-03-29 01:39:21,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. 17.86/9.28 [2019-03-29 01:39:21,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 17.86/9.28 [2019-03-29 01:39:21,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 17.86/9.28 [2019-03-29 01:39:21,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 17.86/9.28 [2019-03-29 01:39:21,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.86/9.28 [2019-03-29 01:39:21,179 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. 17.86/9.28 [2019-03-29 01:39:21,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 11. 17.86/9.28 [2019-03-29 01:39:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 17.86/9.28 [2019-03-29 01:39:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. 17.86/9.28 [2019-03-29 01:39:21,181 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 17.86/9.28 [2019-03-29 01:39:21,181 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 17.86/9.28 [2019-03-29 01:39:21,181 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ 17.86/9.28 [2019-03-29 01:39:21,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. 17.86/9.28 [2019-03-29 01:39:21,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 17.86/9.28 [2019-03-29 01:39:21,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.86/9.28 [2019-03-29 01:39:21,182 INFO L119 BuchiIsEmpty]: Starting construction of run 17.86/9.28 [2019-03-29 01:39:21,182 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.86/9.28 [2019-03-29 01:39:21,182 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1] 17.86/9.28 [2019-03-29 01:39:21,183 INFO L794 eck$LassoCheckResult]: Stem: 443#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~t~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 444#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 446#L14 17.86/9.28 [2019-03-29 01:39:21,183 INFO L796 eck$LassoCheckResult]: Loop: 446#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 449#L19 [35] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 v_ULTIMATE.start_main_~i~0_6) (< v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 447#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 448#L14 [41] L14-->L19: Formula: (>= v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~j~0_13) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_13, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 450#L19 [42] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~j~0_8 v_ULTIMATE.start_main_~i~0_8) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1)))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 453#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 452#L14 [38] L14-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_12 v_ULTIMATE.start_main_~j~0_12) (= v_ULTIMATE.start_main_~j~0_11 v_ULTIMATE.start_main_~t~0_6) (= v_ULTIMATE.start_main_~t~0_6 v_ULTIMATE.start_main_~i~0_12) (= v_ULTIMATE.start_main_~i~0_11 v_ULTIMATE.start_main_~j~0_12)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_12, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_~t~0=v_ULTIMATE.start_main_~t~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~t~0] 445#L19-2 [34] L19-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_10) (< 0 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 446#L14 17.86/9.28 [2019-03-29 01:39:21,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times 17.86/9.28 [2019-03-29 01:39:21,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1356276394, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:21,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,191 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.86/9.28 [2019-03-29 01:39:21,201 INFO L82 PathProgramCache]: Analyzing trace with hash 221360059, now seen corresponding path program 1 times 17.86/9.28 [2019-03-29 01:39:21,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.86/9.28 [2019-03-29 01:39:21,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.86/9.28 [2019-03-29 01:39:21,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.86/9.28 [2019-03-29 01:39:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.86/9.28 [2019-03-29 01:39:21,287 INFO L216 LassoAnalysis]: Preferences: 17.86/9.28 [2019-03-29 01:39:21,287 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.86/9.28 [2019-03-29 01:39:21,287 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.86/9.28 [2019-03-29 01:39:21,288 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.86/9.28 [2019-03-29 01:39:21,288 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.86/9.28 [2019-03-29 01:39:21,288 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,288 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.86/9.28 [2019-03-29 01:39:21,288 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.86/9.28 [2019-03-29 01:39:21,288 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Lasso 17.86/9.28 [2019-03-29 01:39:21,288 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.86/9.28 [2019-03-29 01:39:21,288 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.86/9.28 [2019-03-29 01:39:21,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:21,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:21,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:21,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:21,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:21,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.86/9.28 [2019-03-29 01:39:21,389 INFO L300 LassoAnalysis]: Preprocessing complete. 17.86/9.28 [2019-03-29 01:39:21,389 INFO L412 LassoAnalysis]: Checking for nontermination... 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,395 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,395 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:21,400 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:21,400 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,427 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,427 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:21,431 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:21,431 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,467 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,467 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:21,495 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:21,496 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,501 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,501 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:21,505 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:21,505 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,533 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,533 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,567 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,567 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:21,761 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:21,761 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~j~0=0} Honda state: {ULTIMATE.start_main_~i~0=2, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~j~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~t~0=7, ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~t~0=1, ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~t~0=-7, ULTIMATE.start_main_~j~0=0}] Lambdas: [0, 7, 0] Nus: [0, 1] 17.86/9.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.86/9.28 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.86/9.28 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.86/9.28 [2019-03-29 01:39:21,789 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.86/9.28 [2019-03-29 01:39:21,789 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.86/9.28 [2019-03-29 01:39:21,816 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.86/9.28 [2019-03-29 01:39:21,816 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.86/9.28 [2019-03-29 01:39:21,828 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,829 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,829 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,830 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,830 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,830 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,831 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,831 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:21 BasicIcfg 17.86/9.28 [2019-03-29 01:39:21,844 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.86/9.28 [2019-03-29 01:39:21,845 INFO L168 Benchmark]: Toolchain (without parser) took 4493.88 ms. Allocated memory was 649.6 MB in the beginning and 748.7 MB in the end (delta: 99.1 MB). Free memory was 564.6 MB in the beginning and 614.8 MB in the end (delta: -50.3 MB). Peak memory consumption was 48.8 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,846 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. 17.86/9.28 [2019-03-29 01:39:21,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.90 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.30 ms. Allocated memory was 649.6 MB in the beginning and 670.6 MB in the end (delta: 21.0 MB). Free memory was 554.6 MB in the beginning and 636.3 MB in the end (delta: -81.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,848 INFO L168 Benchmark]: Boogie Preprocessor took 19.43 ms. Allocated memory is still 670.6 MB. Free memory was 636.3 MB in the beginning and 635.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,848 INFO L168 Benchmark]: RCFGBuilder took 195.41 ms. Allocated memory is still 670.6 MB. Free memory was 635.2 MB in the beginning and 620.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,849 INFO L168 Benchmark]: BlockEncodingV2 took 71.77 ms. Allocated memory is still 670.6 MB. Free memory was 620.0 MB in the beginning and 614.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,849 INFO L168 Benchmark]: TraceAbstraction took 153.00 ms. Allocated memory is still 670.6 MB. Free memory was 613.2 MB in the beginning and 604.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,850 INFO L168 Benchmark]: BuchiAutomizer took 3729.78 ms. Allocated memory was 670.6 MB in the beginning and 748.7 MB in the end (delta: 78.1 MB). Free memory was 604.5 MB in the beginning and 614.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 67.8 MB. Max. memory is 50.3 GB. 17.86/9.28 [2019-03-29 01:39:21,855 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.86/9.28 --- Results --- 17.86/9.28 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.86/9.28 - StatisticsResult: Initial Icfg 17.86/9.28 8 locations, 11 edges 17.86/9.28 - StatisticsResult: Encoded RCFG 17.86/9.28 4 locations, 6 edges 17.86/9.28 * Results from de.uni_freiburg.informatik.ultimate.core: 17.86/9.28 - StatisticsResult: Toolchain Benchmarks 17.86/9.28 Benchmark results are: 17.86/9.28 * 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. 17.86/9.28 * CACSL2BoogieTranslator took 224.90 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 17.86/9.28 * Boogie Procedure Inliner took 94.30 ms. Allocated memory was 649.6 MB in the beginning and 670.6 MB in the end (delta: 21.0 MB). Free memory was 554.6 MB in the beginning and 636.3 MB in the end (delta: -81.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 17.86/9.28 * Boogie Preprocessor took 19.43 ms. Allocated memory is still 670.6 MB. Free memory was 636.3 MB in the beginning and 635.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.86/9.28 * RCFGBuilder took 195.41 ms. Allocated memory is still 670.6 MB. Free memory was 635.2 MB in the beginning and 620.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 17.86/9.28 * BlockEncodingV2 took 71.77 ms. Allocated memory is still 670.6 MB. Free memory was 620.0 MB in the beginning and 614.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 50.3 GB. 17.86/9.28 * TraceAbstraction took 153.00 ms. Allocated memory is still 670.6 MB. Free memory was 613.2 MB in the beginning and 604.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.86/9.28 * BuchiAutomizer took 3729.78 ms. Allocated memory was 670.6 MB in the beginning and 748.7 MB in the end (delta: 78.1 MB). Free memory was 604.5 MB in the beginning and 614.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 67.8 MB. Max. memory is 50.3 GB. 17.86/9.28 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 - GenericResult: Unfinished Backtranslation 17.86/9.28 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.86/9.28 - AllSpecificationsHoldResult: All specifications hold 17.86/9.28 We were not able to verify any specifiation because the program does not contain any specification. 17.86/9.28 - InvariantResult [Line: 13]: Loop Invariant 17.86/9.28 Derived loop invariant: 1 17.86/9.28 - StatisticsResult: Ultimate Automizer benchmark data 17.86/9.28 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.86/9.28 - StatisticsResult: Constructed decomposition of program 17.86/9.28 Your program was decomposed into 5 terminating modules (2 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function j and consists of 6 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. One nondeterministic module has affine ranking function i + -1 * j and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 11 locations. 17.86/9.28 - StatisticsResult: Timing statistics 17.86/9.28 BüchiAutomizer plugin needed 3.6s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 3.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 37 SDslu, 0 SDs, 0 SdLazy, 87 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax178 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf92 smp100 dnf100 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s 17.86/9.28 - TerminationAnalysisResult: Nontermination possible 17.86/9.28 Buchi Automizer proved that your program is nonterminating for some inputs 17.86/9.28 - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. 17.86/9.28 [2019-03-29 01:39:21,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 [2019-03-29 01:39:21,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.86/9.28 [2019-03-29 01:39:21,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.86/9.28 Nontermination argument in form of an infinite execution 17.86/9.28 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, ULTIMATE.start_main_~j~0=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~i~0=0, ~unnamed0~0~false=0, ULTIMATE.start_main_~t~0=0} 17.86/9.28 {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f00e84=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3629c9ea=0, ~unnamed0~0~false=0, i=2, j=1} 17.86/9.28 {t=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f00e84=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3629c9ea=0, ~unnamed0~0~false=0, i=2, j=1} 17.86/9.28 {t=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f00e84=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3629c9ea=0, ~unnamed0~0~false=0, i=2, j=1} 17.86/9.28 {t=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f00e84=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3629c9ea=0, ~unnamed0~0~false=0, i=2, j=1} 17.86/9.28 {t=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f00e84=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3629c9ea=0, ~unnamed0~0~false=0, i=2, j=1} 17.86/9.28 - StatisticsResult: NonterminationArgumentStatistics 17.86/9.28 Unbounded Execution 3GEVs Lambdas: [0, 7, 0] Mus: [0, 1] 17.86/9.28 - NonterminatingLassoResult [Line: 14]: Nonterminating execution 17.86/9.28 Found a nonterminating execution for the following lasso shaped sequence of statements. 17.86/9.28 Stem: 17.86/9.28 [L6] int i; 17.86/9.28 [L7] int j; 17.86/9.28 [L8] int t; 17.86/9.28 [L9] i = __VERIFIER_nondet_int() 17.86/9.28 [L10] j = __VERIFIER_nondet_int() 17.86/9.28 [L11] t = 0 17.86/9.28 [L13] COND TRUE i > 0 && j > 0 17.86/9.28 Loop: 17.86/9.28 [L14] COND FALSE !(i < j) 17.86/9.28 [L19] COND TRUE i > j 17.86/9.28 [L20] j = i 17.86/9.28 [L13] COND TRUE i > 0 && j > 0 17.86/9.28 [L14] COND FALSE !(i < j) 17.86/9.28 [L19] COND FALSE !(i > j) 17.86/9.28 [L22] i = i-1 17.86/9.28 [L13] COND TRUE i > 0 && j > 0 17.86/9.28 [L14] COND TRUE i < j 17.86/9.28 [L15] t = i 17.86/9.28 [L16] i = j 17.86/9.28 [L17] j = t 17.86/9.28 [L13] COND TRUE i > 0 && j > 0 17.86/9.28 End of lasso representation. 17.86/9.28 RESULT: Ultimate proved your program to be incorrect! 17.86/9.28 !SESSION 2019-03-29 01:39:14.081 ----------------------------------------------- 17.86/9.28 eclipse.buildId=unknown 17.86/9.28 java.version=1.8.0_181 17.86/9.28 java.vendor=Oracle Corporation 17.86/9.28 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.86/9.28 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.86/9.28 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 17.86/9.28 17.86/9.28 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:39:22.100 17.86/9.28 !MESSAGE The workspace will exit with unsaved changes in this session. 17.86/9.28 Received shutdown request... 17.86/9.28 Ultimate: 17.86/9.28 GTK+ Version Check 17.86/9.28 EOF