17.41/8.18 NO 17.41/8.18 17.41/8.18 Ultimate: Cannot open display: 17.41/8.18 This is Ultimate 0.1.24-8dc7c08-m 17.41/8.18 [2019-03-28 22:24:30,329 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.41/8.18 [2019-03-28 22:24:30,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.41/8.18 [2019-03-28 22:24:30,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.41/8.18 [2019-03-28 22:24:30,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.41/8.18 [2019-03-28 22:24:30,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.41/8.18 [2019-03-28 22:24:30,347 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.41/8.18 [2019-03-28 22:24:30,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.41/8.18 [2019-03-28 22:24:30,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.41/8.18 [2019-03-28 22:24:30,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,351 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.41/8.18 [2019-03-28 22:24:30,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.41/8.18 [2019-03-28 22:24:30,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.41/8.18 [2019-03-28 22:24:30,353 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.41/8.18 [2019-03-28 22:24:30,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.41/8.18 [2019-03-28 22:24:30,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.41/8.18 [2019-03-28 22:24:30,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.41/8.18 [2019-03-28 22:24:30,358 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.41/8.18 [2019-03-28 22:24:30,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.41/8.18 [2019-03-28 22:24:30,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.41/8.18 [2019-03-28 22:24:30,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.41/8.18 [2019-03-28 22:24:30,364 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.41/8.18 [2019-03-28 22:24:30,366 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.41/8.18 [2019-03-28 22:24:30,366 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.41/8.18 [2019-03-28 22:24:30,367 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,367 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.41/8.18 [2019-03-28 22:24:30,368 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.41/8.18 [2019-03-28 22:24:30,368 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.41/8.18 [2019-03-28 22:24:30,369 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.41/8.18 [2019-03-28 22:24:30,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.41/8.18 [2019-03-28 22:24:30,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.41/8.18 [2019-03-28 22:24:30,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.41/8.18 [2019-03-28 22:24:30,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.41/8.18 [2019-03-28 22:24:30,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.41/8.18 [2019-03-28 22:24:30,374 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.41/8.18 [2019-03-28 22:24:30,388 INFO L110 SettingsManager]: Loading preferences was successful 17.41/8.18 [2019-03-28 22:24:30,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.41/8.18 [2019-03-28 22:24:30,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.41/8.18 [2019-03-28 22:24:30,390 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.41/8.18 [2019-03-28 22:24:30,390 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.41/8.18 [2019-03-28 22:24:30,390 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.41/8.18 [2019-03-28 22:24:30,390 INFO L133 SettingsManager]: * Use SBE=true 17.41/8.18 [2019-03-28 22:24:30,390 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.41/8.18 [2019-03-28 22:24:30,391 INFO L133 SettingsManager]: * Use old map elimination=false 17.41/8.18 [2019-03-28 22:24:30,391 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.41/8.18 [2019-03-28 22:24:30,391 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.41/8.18 [2019-03-28 22:24:30,391 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.41/8.18 [2019-03-28 22:24:30,391 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.41/8.18 [2019-03-28 22:24:30,391 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.41/8.18 [2019-03-28 22:24:30,392 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:30,392 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.41/8.18 [2019-03-28 22:24:30,392 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.41/8.18 [2019-03-28 22:24:30,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.41/8.18 [2019-03-28 22:24:30,392 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.41/8.18 [2019-03-28 22:24:30,392 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.41/8.18 [2019-03-28 22:24:30,393 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.41/8.18 [2019-03-28 22:24:30,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.41/8.18 [2019-03-28 22:24:30,393 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.41/8.18 [2019-03-28 22:24:30,393 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.41/8.18 [2019-03-28 22:24:30,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.41/8.18 [2019-03-28 22:24:30,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.41/8.18 [2019-03-28 22:24:30,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.41/8.18 [2019-03-28 22:24:30,394 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.41/8.18 [2019-03-28 22:24:30,394 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.41/8.18 [2019-03-28 22:24:30,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.41/8.18 [2019-03-28 22:24:30,433 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.41/8.18 [2019-03-28 22:24:30,437 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.41/8.18 [2019-03-28 22:24:30,438 INFO L271 PluginConnector]: Initializing CDTParser... 17.41/8.18 [2019-03-28 22:24:30,438 INFO L276 PluginConnector]: CDTParser initialized 17.41/8.18 [2019-03-28 22:24:30,439 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.41/8.18 [2019-03-28 22:24:30,494 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ba826800a01b4dbea26f218806c050ba/FLAG673995120 17.41/8.18 [2019-03-28 22:24:30,836 INFO L307 CDTParser]: Found 1 translation units. 17.41/8.18 [2019-03-28 22:24:30,836 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.41/8.18 [2019-03-28 22:24:30,843 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ba826800a01b4dbea26f218806c050ba/FLAG673995120 17.41/8.18 [2019-03-28 22:24:31,258 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ba826800a01b4dbea26f218806c050ba 17.41/8.18 [2019-03-28 22:24:31,270 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.41/8.18 [2019-03-28 22:24:31,272 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.41/8.18 [2019-03-28 22:24:31,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.41/8.18 [2019-03-28 22:24:31,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.41/8.18 [2019-03-28 22:24:31,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.41/8.18 [2019-03-28 22:24:31,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d7e7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:31,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.41/8.18 [2019-03-28 22:24:31,306 INFO L176 MainTranslator]: Built tables and reachable declarations 17.41/8.18 [2019-03-28 22:24:31,462 INFO L206 PostProcessor]: Analyzing one entry point: main 17.41/8.18 [2019-03-28 22:24:31,467 INFO L191 MainTranslator]: Completed pre-run 17.41/8.18 [2019-03-28 22:24:31,483 INFO L206 PostProcessor]: Analyzing one entry point: main 17.41/8.18 [2019-03-28 22:24:31,498 INFO L195 MainTranslator]: Completed translation 17.41/8.18 [2019-03-28 22:24:31,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31 WrapperNode 17.41/8.18 [2019-03-28 22:24:31,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.41/8.18 [2019-03-28 22:24:31,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.41/8.18 [2019-03-28 22:24:31,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.41/8.18 [2019-03-28 22:24:31,500 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.41/8.18 [2019-03-28 22:24:31,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.41/8.18 [2019-03-28 22:24:31,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.41/8.18 [2019-03-28 22:24:31,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.41/8.18 [2019-03-28 22:24:31,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.41/8.18 [2019-03-28 22:24:31,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.41/8.18 [2019-03-28 22:24:31,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.41/8.18 [2019-03-28 22:24:31,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.41/8.18 [2019-03-28 22:24:31,623 INFO L276 PluginConnector]: RCFGBuilder initialized 17.41/8.18 [2019-03-28 22:24:31,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (1/1) ... 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.41/8.18 [2019-03-28 22:24:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.41/8.18 [2019-03-28 22:24:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.41/8.18 [2019-03-28 22:24:31,826 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.41/8.18 [2019-03-28 22:24:31,826 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 17.41/8.18 [2019-03-28 22:24:31,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:31 BoogieIcfgContainer 17.41/8.18 [2019-03-28 22:24:31,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.41/8.18 [2019-03-28 22:24:31,828 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.41/8.18 [2019-03-28 22:24:31,829 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.41/8.18 [2019-03-28 22:24:31,831 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.41/8.18 [2019-03-28 22:24:31,832 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:31" (1/1) ... 17.41/8.18 [2019-03-28 22:24:31,847 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 17.41/8.18 [2019-03-28 22:24:31,849 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.41/8.18 [2019-03-28 22:24:31,850 INFO L263 BlockEncoder]: Using Maximize final states 17.41/8.18 [2019-03-28 22:24:31,850 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.41/8.18 [2019-03-28 22:24:31,851 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.41/8.18 [2019-03-28 22:24:31,853 INFO L296 BlockEncoder]: Using Remove sink states 17.41/8.18 [2019-03-28 22:24:31,854 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.41/8.18 [2019-03-28 22:24:31,854 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.41/8.18 [2019-03-28 22:24:31,869 INFO L185 BlockEncoder]: Using Use SBE 17.41/8.18 [2019-03-28 22:24:31,877 INFO L200 BlockEncoder]: SBE split 0 edges 17.41/8.18 [2019-03-28 22:24:31,882 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 17.41/8.18 [2019-03-28 22:24:31,884 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.41/8.18 [2019-03-28 22:24:31,900 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.41/8.18 [2019-03-28 22:24:31,902 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.41/8.18 [2019-03-28 22:24:31,904 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.41/8.18 [2019-03-28 22:24:31,904 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.41/8.18 [2019-03-28 22:24:31,904 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.41/8.18 [2019-03-28 22:24:31,904 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.41/8.18 [2019-03-28 22:24:31,905 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges 17.41/8.18 [2019-03-28 22:24:31,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:24:31 BasicIcfg 17.41/8.18 [2019-03-28 22:24:31,905 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.41/8.18 [2019-03-28 22:24:31,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.41/8.18 [2019-03-28 22:24:31,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.41/8.18 [2019-03-28 22:24:31,910 INFO L276 PluginConnector]: TraceAbstraction initialized 17.41/8.18 [2019-03-28 22:24:31,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:24:31" (1/4) ... 17.41/8.18 [2019-03-28 22:24:31,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6458e8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:24:31, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:31,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (2/4) ... 17.41/8.18 [2019-03-28 22:24:31,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6458e8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:24:31, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:31,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:31" (3/4) ... 17.41/8.18 [2019-03-28 22:24:31,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6458e8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:24:31, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:31,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:24:31" (4/4) ... 17.41/8.18 [2019-03-28 22:24:31,914 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.41/8.18 [2019-03-28 22:24:31,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.41/8.18 [2019-03-28 22:24:31,933 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.41/8.18 [2019-03-28 22:24:31,951 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.41/8.18 [2019-03-28 22:24:31,980 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.41/8.18 [2019-03-28 22:24:31,981 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.41/8.18 [2019-03-28 22:24:31,981 INFO L383 AbstractCegarLoop]: Hoare is true 17.41/8.18 [2019-03-28 22:24:31,981 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.41/8.18 [2019-03-28 22:24:31,981 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.41/8.18 [2019-03-28 22:24:31,981 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.41/8.18 [2019-03-28 22:24:31,981 INFO L387 AbstractCegarLoop]: Difference is false 17.41/8.18 [2019-03-28 22:24:31,982 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.41/8.18 [2019-03-28 22:24:31,982 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.41/8.18 [2019-03-28 22:24:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 17.41/8.18 [2019-03-28 22:24:32,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.41/8.18 [2019-03-28 22:24:32,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 17.41/8.18 [2019-03-28 22:24:32,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.41/8.18 [2019-03-28 22:24:32,055 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. 17.41/8.18 [2019-03-28 22:24:32,055 INFO L448 ceAbstractionStarter]: For program point L12-2(line 12) no Hoare annotation was computed. 17.41/8.18 [2019-03-28 22:24:32,055 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 14) the Hoare annotation is: true 17.41/8.18 [2019-03-28 22:24:32,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:24:32 BasicIcfg 17.41/8.18 [2019-03-28 22:24:32,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.41/8.18 [2019-03-28 22:24:32,064 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.41/8.18 [2019-03-28 22:24:32,065 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.41/8.18 [2019-03-28 22:24:32,068 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.41/8.18 [2019-03-28 22:24:32,069 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.41/8.18 [2019-03-28 22:24:32,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:24:31" (1/5) ... 17.41/8.18 [2019-03-28 22:24:32,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ac49a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:24:32, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:32,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.41/8.18 [2019-03-28 22:24:32,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:31" (2/5) ... 17.41/8.18 [2019-03-28 22:24:32,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ac49a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:24:32, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:32,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.41/8.18 [2019-03-28 22:24:32,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:31" (3/5) ... 17.41/8.18 [2019-03-28 22:24:32,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ac49a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:24:32, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:32,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.41/8.18 [2019-03-28 22:24:32,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:24:31" (4/5) ... 17.41/8.18 [2019-03-28 22:24:32,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ac49a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:24:32, skipping insertion in model container 17.41/8.18 [2019-03-28 22:24:32,072 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.41/8.18 [2019-03-28 22:24:32,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:24:32" (5/5) ... 17.41/8.18 [2019-03-28 22:24:32,074 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.41/8.18 [2019-03-28 22:24:32,101 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.41/8.18 [2019-03-28 22:24:32,101 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.41/8.18 [2019-03-28 22:24:32,102 INFO L375 BuchiCegarLoop]: Hoare is true 17.41/8.18 [2019-03-28 22:24:32,102 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.41/8.18 [2019-03-28 22:24:32,102 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.41/8.18 [2019-03-28 22:24:32,102 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.41/8.18 [2019-03-28 22:24:32,102 INFO L379 BuchiCegarLoop]: Difference is false 17.41/8.18 [2019-03-28 22:24:32,102 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.41/8.18 [2019-03-28 22:24:32,103 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.41/8.18 [2019-03-28 22:24:32,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.41/8.18 [2019-03-28 22:24:32,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.41/8.18 [2019-03-28 22:24:32,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.41/8.18 [2019-03-28 22:24:32,125 INFO L119 BuchiIsEmpty]: Starting construction of run 17.41/8.18 [2019-03-28 22:24:32,130 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.41/8.18 [2019-03-28 22:24:32,130 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.41/8.18 [2019-03-28 22:24:32,130 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.41/8.18 [2019-03-28 22:24:32,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.41/8.18 [2019-03-28 22:24:32,131 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.41/8.18 [2019-03-28 22:24:32,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.41/8.18 [2019-03-28 22:24:32,131 INFO L119 BuchiIsEmpty]: Starting construction of run 17.41/8.18 [2019-03-28 22:24:32,132 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.41/8.18 [2019-03-28 22:24:32,132 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.41/8.18 [2019-03-28 22:24:32,137 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 6#L11-2true 17.41/8.18 [2019-03-28 22:24:32,137 INFO L796 eck$LassoCheckResult]: Loop: 6#L11-2true [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 5#L12true [36] L12-->L12-2: Formula: (>= v_ULTIMATE.start_main_~j~0_10 (+ v_ULTIMATE.start_main_~i~0_11 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 3#L12-2true [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 6#L11-2true 17.41/8.18 [2019-03-28 22:24:32,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:32,144 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:32,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:32,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:32,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:32,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:32,213 INFO L82 PathProgramCache]: Analyzing trace with hash 63606, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:32,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:32,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:32,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:32,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:32,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1731902, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:32,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:32,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:32,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.41/8.18 [2019-03-28 22:24:32,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.41/8.18 [2019-03-28 22:24:32,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 17.41/8.18 [2019-03-28 22:24:32,332 INFO L216 LassoAnalysis]: Preferences: 17.41/8.18 [2019-03-28 22:24:32,333 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.41/8.18 [2019-03-28 22:24:32,333 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.41/8.18 [2019-03-28 22:24:32,333 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.41/8.18 [2019-03-28 22:24:32,334 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.41/8.18 [2019-03-28 22:24:32,334 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:32,334 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.41/8.18 [2019-03-28 22:24:32,334 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.41/8.18 [2019-03-28 22:24:32,334 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.41/8.18 [2019-03-28 22:24:32,334 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.41/8.18 [2019-03-28 22:24:32,335 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.41/8.18 [2019-03-28 22:24:32,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:32,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:32,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:32,444 INFO L300 LassoAnalysis]: Preprocessing complete. 17.41/8.18 [2019-03-28 22:24:32,445 INFO L412 LassoAnalysis]: Checking for nontermination... 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:32,453 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:32,453 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:32,487 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:32,488 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: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:32,495 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:32,495 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:32,523 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:32,523 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: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:32,530 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:32,530 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:32,563 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:32,563 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:32,765 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.41/8.18 [2019-03-28 22:24:32,768 INFO L216 LassoAnalysis]: Preferences: 17.41/8.18 [2019-03-28 22:24:32,768 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.41/8.18 [2019-03-28 22:24:32,768 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.41/8.18 [2019-03-28 22:24:32,768 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.41/8.18 [2019-03-28 22:24:32,768 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.41/8.18 [2019-03-28 22:24:32,769 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:32,769 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.41/8.18 [2019-03-28 22:24:32,769 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.41/8.18 [2019-03-28 22:24:32,769 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.41/8.18 [2019-03-28 22:24:32,769 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.41/8.18 [2019-03-28 22:24:32,769 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.41/8.18 [2019-03-28 22:24:32,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:32,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:32,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:32,839 INFO L300 LassoAnalysis]: Preprocessing complete. 17.41/8.18 [2019-03-28 22:24:32,845 INFO L497 LassoAnalysis]: Using template 'affine'. 17.41/8.18 [2019-03-28 22:24:32,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.41/8.18 Termination analysis: LINEAR_WITH_GUESSES 17.41/8.18 Number of strict supporting invariants: 0 17.41/8.18 Number of non-strict supporting invariants: 1 17.41/8.18 Consider only non-deceasing supporting invariants: true 17.41/8.18 Simplify termination arguments: true 17.41/8.18 Simplify supporting invariants: trueOverapproximate stem: false 17.41/8.18 [2019-03-28 22:24:32,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.41/8.18 [2019-03-28 22:24:32,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.41/8.18 [2019-03-28 22:24:32,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.41/8.18 [2019-03-28 22:24:32,861 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.41/8.18 [2019-03-28 22:24:32,865 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.41/8.18 [2019-03-28 22:24:32,866 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.41/8.18 [2019-03-28 22:24:32,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.41/8.18 [2019-03-28 22:24:32,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.41/8.18 Termination analysis: LINEAR_WITH_GUESSES 17.41/8.18 Number of strict supporting invariants: 0 17.41/8.18 Number of non-strict supporting invariants: 1 17.41/8.18 Consider only non-deceasing supporting invariants: true 17.41/8.18 Simplify termination arguments: true 17.41/8.18 Simplify supporting invariants: trueOverapproximate stem: false 17.41/8.18 [2019-03-28 22:24:32,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.41/8.18 [2019-03-28 22:24:32,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.41/8.18 [2019-03-28 22:24:32,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.41/8.18 [2019-03-28 22:24:32,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.41/8.18 [2019-03-28 22:24:32,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.41/8.18 [2019-03-28 22:24:32,876 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.41/8.18 [2019-03-28 22:24:32,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.41/8.18 [2019-03-28 22:24:32,882 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.41/8.18 [2019-03-28 22:24:32,890 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.41/8.18 [2019-03-28 22:24:32,890 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 17.41/8.18 [2019-03-28 22:24:32,892 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.41/8.18 [2019-03-28 22:24:32,893 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.41/8.18 [2019-03-28 22:24:32,893 INFO L518 LassoAnalysis]: Proved termination. 17.41/8.18 [2019-03-28 22:24:32,893 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.41/8.18 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 17.41/8.18 Supporting invariants [] 17.41/8.18 [2019-03-28 22:24:32,895 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.41/8.18 [2019-03-28 22:24:32,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:32,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 17.41/8.18 [2019-03-28 22:24:32,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.41/8.18 [2019-03-28 22:24:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:32,965 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.41/8.18 [2019-03-28 22:24:32,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.41/8.18 [2019-03-28 22:24:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.41/8.18 [2019-03-28 22:24:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:33,018 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.41/8.18 [2019-03-28 22:24:33,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.41/8.18 [2019-03-28 22:24:33,055 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 17.41/8.18 [2019-03-28 22:24:33,061 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 17.41/8.18 [2019-03-28 22:24:33,062 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 17.41/8.18 [2019-03-28 22:24:33,114 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 12 states and 15 transitions. Complement of second has 7 states. 17.41/8.18 [2019-03-28 22:24:33,115 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 17.41/8.18 [2019-03-28 22:24:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.41/8.18 [2019-03-28 22:24:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. 17.41/8.18 [2019-03-28 22:24:33,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 3 letters. 17.41/8.18 [2019-03-28 22:24:33,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.41/8.18 [2019-03-28 22:24:33,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 3 letters. 17.41/8.18 [2019-03-28 22:24:33,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.41/8.18 [2019-03-28 22:24:33,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 6 letters. 17.41/8.18 [2019-03-28 22:24:33,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.41/8.18 [2019-03-28 22:24:33,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. 17.41/8.18 [2019-03-28 22:24:33,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.41/8.18 [2019-03-28 22:24:33,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:33,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 17.41/8.18 [2019-03-28 22:24:33,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 17.41/8.18 [2019-03-28 22:24:33,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:33,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.41/8.18 [2019-03-28 22:24:33,135 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:33,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. 17.41/8.18 [2019-03-28 22:24:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 17.41/8.18 [2019-03-28 22:24:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. 17.41/8.18 [2019-03-28 22:24:33,164 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. 17.41/8.18 [2019-03-28 22:24:33,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.41/8.18 [2019-03-28 22:24:33,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.41/8.18 [2019-03-28 22:24:33,167 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. Second operand 3 states. 17.41/8.18 [2019-03-28 22:24:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.41/8.18 [2019-03-28 22:24:33,182 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. 17.41/8.18 [2019-03-28 22:24:33,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.41/8.18 [2019-03-28 22:24:33,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. 17.41/8.18 [2019-03-28 22:24:33,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.41/8.18 [2019-03-28 22:24:33,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 17.41/8.18 [2019-03-28 22:24:33,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 17.41/8.18 [2019-03-28 22:24:33,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.41/8.18 [2019-03-28 22:24:33,186 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. 17.41/8.18 [2019-03-28 22:24:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 17.41/8.18 [2019-03-28 22:24:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,187 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,188 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,188 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.41/8.18 [2019-03-28 22:24:33,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. 17.41/8.18 [2019-03-28 22:24:33,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.41/8.18 [2019-03-28 22:24:33,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.41/8.18 [2019-03-28 22:24:33,189 INFO L119 BuchiIsEmpty]: Starting construction of run 17.41/8.18 [2019-03-28 22:24:33,189 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.41/8.18 [2019-03-28 22:24:33,189 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.41/8.18 [2019-03-28 22:24:33,190 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 87#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 88#L12 [28] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_9 (+ v_ULTIMATE.start_main_~i~0_10 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 2))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 84#L12-2 17.41/8.18 [2019-03-28 22:24:33,190 INFO L796 eck$LassoCheckResult]: Loop: 84#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 85#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 89#L12 [36] L12-->L12-2: Formula: (>= v_ULTIMATE.start_main_~j~0_10 (+ v_ULTIMATE.start_main_~i~0_11 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 84#L12-2 17.41/8.18 [2019-03-28 22:24:33,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:33,190 INFO L82 PathProgramCache]: Analyzing trace with hash 55859, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:33,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:33,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:33,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:33,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:33,201 INFO L82 PathProgramCache]: Analyzing trace with hash 54906, now seen corresponding path program 2 times 17.41/8.18 [2019-03-28 22:24:33,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:33,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:33,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:33,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:33,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1664120584, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:33,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:33,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:33,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,210 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:33,236 INFO L216 LassoAnalysis]: Preferences: 17.41/8.18 [2019-03-28 22:24:33,237 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.41/8.18 [2019-03-28 22:24:33,237 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.41/8.18 [2019-03-28 22:24:33,237 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.41/8.18 [2019-03-28 22:24:33,237 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.41/8.18 [2019-03-28 22:24:33,237 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:33,237 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.41/8.18 [2019-03-28 22:24:33,237 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.41/8.18 [2019-03-28 22:24:33,238 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.41/8.18 [2019-03-28 22:24:33,238 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.41/8.18 [2019-03-28 22:24:33,238 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.41/8.18 [2019-03-28 22:24:33,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:33,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:33,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:33,298 INFO L300 LassoAnalysis]: Preprocessing complete. 17.41/8.18 [2019-03-28 22:24:33,298 INFO L412 LassoAnalysis]: Checking for nontermination... 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:33,303 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:33,303 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:33,330 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:33,330 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: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:33,336 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:33,336 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:33,365 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:33,365 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: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:33,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:33,371 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:33,403 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:33,403 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:33,997 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.41/8.18 [2019-03-28 22:24:34,002 INFO L216 LassoAnalysis]: Preferences: 17.41/8.18 [2019-03-28 22:24:34,002 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.41/8.18 [2019-03-28 22:24:34,002 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.41/8.18 [2019-03-28 22:24:34,002 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.41/8.18 [2019-03-28 22:24:34,002 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.41/8.18 [2019-03-28 22:24:34,003 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,003 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.41/8.18 [2019-03-28 22:24:34,003 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.41/8.18 [2019-03-28 22:24:34,003 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.41/8.18 [2019-03-28 22:24:34,003 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.41/8.18 [2019-03-28 22:24:34,003 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.41/8.18 [2019-03-28 22:24:34,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,051 INFO L300 LassoAnalysis]: Preprocessing complete. 17.41/8.18 [2019-03-28 22:24:34,051 INFO L497 LassoAnalysis]: Using template 'affine'. 17.41/8.18 [2019-03-28 22:24:34,052 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.41/8.18 Termination analysis: LINEAR_WITH_GUESSES 17.41/8.18 Number of strict supporting invariants: 0 17.41/8.18 Number of non-strict supporting invariants: 1 17.41/8.18 Consider only non-deceasing supporting invariants: true 17.41/8.18 Simplify termination arguments: true 17.41/8.18 Simplify supporting invariants: trueOverapproximate stem: false 17.41/8.18 [2019-03-28 22:24:34,053 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.41/8.18 [2019-03-28 22:24:34,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.41/8.18 [2019-03-28 22:24:34,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.41/8.18 [2019-03-28 22:24:34,053 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.41/8.18 [2019-03-28 22:24:34,056 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.41/8.18 [2019-03-28 22:24:34,056 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.41/8.18 [2019-03-28 22:24:34,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.41/8.18 [2019-03-28 22:24:34,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.41/8.18 Termination analysis: LINEAR_WITH_GUESSES 17.41/8.18 Number of strict supporting invariants: 0 17.41/8.18 Number of non-strict supporting invariants: 1 17.41/8.18 Consider only non-deceasing supporting invariants: true 17.41/8.18 Simplify termination arguments: true 17.41/8.18 Simplify supporting invariants: trueOverapproximate stem: false 17.41/8.18 [2019-03-28 22:24:34,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.41/8.18 [2019-03-28 22:24:34,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.41/8.18 [2019-03-28 22:24:34,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.41/8.18 [2019-03-28 22:24:34,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.41/8.18 [2019-03-28 22:24:34,065 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.41/8.18 [2019-03-28 22:24:34,065 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.41/8.18 [2019-03-28 22:24:34,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.41/8.18 [2019-03-28 22:24:34,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.41/8.18 Termination analysis: LINEAR_WITH_GUESSES 17.41/8.18 Number of strict supporting invariants: 0 17.41/8.18 Number of non-strict supporting invariants: 1 17.41/8.18 Consider only non-deceasing supporting invariants: true 17.41/8.18 Simplify termination arguments: true 17.41/8.18 Simplify supporting invariants: trueOverapproximate stem: false 17.41/8.18 [2019-03-28 22:24:34,073 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.41/8.18 [2019-03-28 22:24:34,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.41/8.18 [2019-03-28 22:24:34,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.41/8.18 [2019-03-28 22:24:34,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.41/8.18 [2019-03-28 22:24:34,073 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.41/8.18 [2019-03-28 22:24:34,074 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.41/8.18 [2019-03-28 22:24:34,074 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.41/8.18 [2019-03-28 22:24:34,079 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.41/8.18 [2019-03-28 22:24:34,083 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.41/8.18 [2019-03-28 22:24:34,083 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 17.41/8.18 [2019-03-28 22:24:34,084 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.41/8.18 [2019-03-28 22:24:34,084 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.41/8.18 [2019-03-28 22:24:34,084 INFO L518 LassoAnalysis]: Proved termination. 17.41/8.18 [2019-03-28 22:24:34,084 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.41/8.18 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 17.41/8.18 Supporting invariants [] 17.41/8.18 [2019-03-28 22:24:34,085 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.41/8.18 [2019-03-28 22:24:34,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:34,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 17.41/8.18 [2019-03-28 22:24:34,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.41/8.18 [2019-03-28 22:24:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:34,118 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.41/8.18 [2019-03-28 22:24:34,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.41/8.18 [2019-03-28 22:24:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.41/8.18 [2019-03-28 22:24:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.41/8.18 [2019-03-28 22:24:34,152 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.41/8.18 [2019-03-28 22:24:34,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.41/8.18 [2019-03-28 22:24:34,206 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 5 predicates after loop cannibalization 17.41/8.18 [2019-03-28 22:24:34,206 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 5 loop predicates 17.41/8.18 [2019-03-28 22:24:34,206 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. 17.41/8.18 [2019-03-28 22:24:34,341 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 35 states and 44 transitions. Complement of second has 26 states. 17.41/8.18 [2019-03-28 22:24:34,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 2 accepting loop states 17.41/8.18 [2019-03-28 22:24:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.41/8.18 [2019-03-28 22:24:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. 17.41/8.18 [2019-03-28 22:24:34,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 3 letters. Loop has 3 letters. 17.41/8.18 [2019-03-28 22:24:34,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.41/8.18 [2019-03-28 22:24:34,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 6 letters. Loop has 3 letters. 17.41/8.18 [2019-03-28 22:24:34,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.41/8.18 [2019-03-28 22:24:34,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 3 letters. Loop has 6 letters. 17.41/8.18 [2019-03-28 22:24:34,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.41/8.18 [2019-03-28 22:24:34,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. 17.41/8.18 [2019-03-28 22:24:34,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 17.41/8.18 [2019-03-28 22:24:34,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 19 states and 23 transitions. 17.41/8.18 [2019-03-28 22:24:34,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 17.41/8.18 [2019-03-28 22:24:34,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 17.41/8.18 [2019-03-28 22:24:34,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. 17.41/8.18 [2019-03-28 22:24:34,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.41/8.18 [2019-03-28 22:24:34,351 INFO L706 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. 17.41/8.18 [2019-03-28 22:24:34,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. 17.41/8.18 [2019-03-28 22:24:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 11. 17.41/8.18 [2019-03-28 22:24:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 17.41/8.18 [2019-03-28 22:24:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:34,353 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:34,353 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:34,353 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.41/8.18 [2019-03-28 22:24:34,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. 17.41/8.18 [2019-03-28 22:24:34,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 17.41/8.18 [2019-03-28 22:24:34,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.41/8.18 [2019-03-28 22:24:34,354 INFO L119 BuchiIsEmpty]: Starting construction of run 17.41/8.18 [2019-03-28 22:24:34,354 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.41/8.18 [2019-03-28 22:24:34,354 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1] 17.41/8.18 [2019-03-28 22:24:34,355 INFO L794 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 210#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 211#L12 17.41/8.18 [2019-03-28 22:24:34,356 INFO L796 eck$LassoCheckResult]: Loop: 211#L12 [28] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_9 (+ v_ULTIMATE.start_main_~i~0_10 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 2))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 205#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 206#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 215#L12 [36] L12-->L12-2: Formula: (>= v_ULTIMATE.start_main_~j~0_10 (+ v_ULTIMATE.start_main_~i~0_11 1)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 207#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 208#L11-2 [34] L11-2-->L12: Formula: (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_7) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 211#L12 17.41/8.18 [2019-03-28 22:24:34,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:34,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1801, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:34,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:34,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:34,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:34,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:34,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1713256233, now seen corresponding path program 1 times 17.41/8.18 [2019-03-28 22:24:34,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:34,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:34,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:34,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.41/8.18 [2019-03-28 22:24:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1492047921, now seen corresponding path program 2 times 17.41/8.18 [2019-03-28 22:24:34,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.41/8.18 [2019-03-28 22:24:34,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.41/8.18 [2019-03-28 22:24:34,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.41/8.18 [2019-03-28 22:24:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.41/8.18 [2019-03-28 22:24:34,423 INFO L216 LassoAnalysis]: Preferences: 17.41/8.18 [2019-03-28 22:24:34,423 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.41/8.18 [2019-03-28 22:24:34,423 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.41/8.18 [2019-03-28 22:24:34,424 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.41/8.18 [2019-03-28 22:24:34,424 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.41/8.18 [2019-03-28 22:24:34,424 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,424 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.41/8.18 [2019-03-28 22:24:34,424 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.41/8.18 [2019-03-28 22:24:34,424 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.41/8.18 [2019-03-28 22:24:34,424 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.41/8.18 [2019-03-28 22:24:34,424 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.41/8.18 [2019-03-28 22:24:34,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,510 INFO L300 LassoAnalysis]: Preprocessing complete. 17.41/8.18 [2019-03-28 22:24:34,510 INFO L412 LassoAnalysis]: Checking for nontermination... 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,520 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,561 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,561 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:34,634 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:34,635 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=-6, ULTIMATE.start_main_~i~0=-6} Honda state: {ULTIMATE.start_main_~j~0=-6, ULTIMATE.start_main_~i~0=-6} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-7, ULTIMATE.start_main_~i~0=-7}, {ULTIMATE.start_main_~j~0=7, ULTIMATE.start_main_~i~0=7}, {ULTIMATE.start_main_~j~0=2, ULTIMATE.start_main_~i~0=2}] Lambdas: [2, 1, 1] Nus: [1, 0] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,667 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,667 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:34,694 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:34,695 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: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,703 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,703 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:34,731 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:34,732 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: [] 17.41/8.18 [2019-03-28 22:24:34,748 INFO L216 LassoAnalysis]: Preferences: 17.41/8.18 [2019-03-28 22:24:34,749 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.41/8.18 [2019-03-28 22:24:34,749 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.41/8.18 [2019-03-28 22:24:34,749 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.41/8.18 [2019-03-28 22:24:34,749 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.41/8.18 [2019-03-28 22:24:34,749 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,749 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.41/8.18 [2019-03-28 22:24:34,749 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.41/8.18 [2019-03-28 22:24:34,750 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 17.41/8.18 [2019-03-28 22:24:34,750 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.41/8.18 [2019-03-28 22:24:34,750 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.41/8.18 [2019-03-28 22:24:34,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.41/8.18 [2019-03-28 22:24:34,861 INFO L300 LassoAnalysis]: Preprocessing complete. 17.41/8.18 [2019-03-28 22:24:34,862 INFO L412 LassoAnalysis]: Checking for nontermination... 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,871 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,871 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:34,875 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:34,875 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: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 [2019-03-28 22:24:34,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,923 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:34,967 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:34,967 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:35,006 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:35,007 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Honda state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-2, ULTIMATE.start_main_~j~0=-2}, {ULTIMATE.start_main_~i~0=6, ULTIMATE.start_main_~j~0=6}, {ULTIMATE.start_main_~i~0=-2, ULTIMATE.start_main_~j~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:35,036 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:35,036 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:35,064 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:35,064 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_6=1} Honda state: {v_rep~unnamed0~0~true_6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.41/8.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.41/8.18 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.41/8.18 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.41/8.18 [2019-03-28 22:24:35,070 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.41/8.18 [2019-03-28 22:24:35,070 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.41/8.18 [2019-03-28 22:24:35,098 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.41/8.18 [2019-03-28 22:24:35,098 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_6=0} Honda state: {v_rep~unnamed0~0~false_6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.41/8.18 [2019-03-28 22:24:35,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,109 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,114 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:24:35 BasicIcfg 17.41/8.18 [2019-03-28 22:24:35,127 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.41/8.18 [2019-03-28 22:24:35,128 INFO L168 Benchmark]: Toolchain (without parser) took 3857.32 ms. Allocated memory was 649.6 MB in the beginning and 748.7 MB in the end (delta: 99.1 MB). Free memory was 566.0 MB in the beginning and 686.9 MB in the end (delta: -120.9 MB). Peak memory consumption was 226.4 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,130 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.02 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.87 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 555.0 MB in the beginning and 640.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,132 INFO L168 Benchmark]: Boogie Preprocessor took 20.45 ms. Allocated memory is still 673.7 MB. Free memory was 640.5 MB in the beginning and 639.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,132 INFO L168 Benchmark]: RCFGBuilder took 205.16 ms. Allocated memory is still 673.7 MB. Free memory was 639.4 MB in the beginning and 625.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,133 INFO L168 Benchmark]: BlockEncodingV2 took 76.97 ms. Allocated memory is still 673.7 MB. Free memory was 625.3 MB in the beginning and 619.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,133 INFO L168 Benchmark]: TraceAbstraction took 157.86 ms. Allocated memory is still 673.7 MB. Free memory was 619.9 MB in the beginning and 611.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,134 INFO L168 Benchmark]: BuchiAutomizer took 3062.91 ms. Allocated memory was 673.7 MB in the beginning and 748.7 MB in the end (delta: 75.0 MB). Free memory was 611.2 MB in the beginning and 686.9 MB in the end (delta: -75.7 MB). Peak memory consumption was 247.5 MB. Max. memory is 50.3 GB. 17.41/8.18 [2019-03-28 22:24:35,138 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.41/8.18 --- Results --- 17.41/8.18 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.41/8.18 - StatisticsResult: Initial Icfg 17.41/8.18 8 locations, 10 edges 17.41/8.18 - StatisticsResult: Encoded RCFG 17.41/8.18 4 locations, 5 edges 17.41/8.18 * Results from de.uni_freiburg.informatik.ultimate.core: 17.41/8.18 - StatisticsResult: Toolchain Benchmarks 17.41/8.18 Benchmark results are: 17.41/8.18 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.41/8.18 * CACSL2BoogieTranslator took 226.02 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 17.41/8.18 * Boogie Procedure Inliner took 101.87 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 555.0 MB in the beginning and 640.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 17.41/8.18 * Boogie Preprocessor took 20.45 ms. Allocated memory is still 673.7 MB. Free memory was 640.5 MB in the beginning and 639.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.41/8.18 * RCFGBuilder took 205.16 ms. Allocated memory is still 673.7 MB. Free memory was 639.4 MB in the beginning and 625.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 17.41/8.18 * BlockEncodingV2 took 76.97 ms. Allocated memory is still 673.7 MB. Free memory was 625.3 MB in the beginning and 619.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.41/8.18 * TraceAbstraction took 157.86 ms. Allocated memory is still 673.7 MB. Free memory was 619.9 MB in the beginning and 611.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.41/8.18 * BuchiAutomizer took 3062.91 ms. Allocated memory was 673.7 MB in the beginning and 748.7 MB in the end (delta: 75.0 MB). Free memory was 611.2 MB in the beginning and 686.9 MB in the end (delta: -75.7 MB). Peak memory consumption was 247.5 MB. Max. memory is 50.3 GB. 17.41/8.18 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 - GenericResult: Unfinished Backtranslation 17.41/8.18 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.41/8.18 - AllSpecificationsHoldResult: All specifications hold 17.41/8.18 We were not able to verify any specifiation because the program does not contain any specification. 17.41/8.18 - InvariantResult [Line: 11]: Loop Invariant 17.41/8.18 Derived loop invariant: 1 17.41/8.18 - StatisticsResult: Ultimate Automizer benchmark data 17.41/8.18 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 17.41/8.18 - StatisticsResult: Constructed decomposition of program 17.41/8.18 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i + j and consists of 5 locations. One nondeterministic module has affine ranking function -1 * i + j and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 11 locations. 17.41/8.18 - StatisticsResult: Timing statistics 17.41/8.18 BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 53 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax182 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf93 smp95 dnf100 smp100 tf109 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s 17.41/8.18 - TerminationAnalysisResult: Nontermination possible 17.41/8.18 Buchi Automizer proved that your program is nonterminating for some inputs 17.41/8.18 - GeometricNonTerminationArgumentResult [Line: 12]: Nontermination argument in form of an infinite program execution. 17.41/8.18 [2019-03-28 22:24:35,147 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,147 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,148 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,148 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,148 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,149 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,149 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,149 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,150 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,150 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,150 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,150 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,151 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,151 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,151 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,152 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,152 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,152 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 [2019-03-28 22:24:35,153 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.41/8.18 [2019-03-28 22:24:35,153 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.41/8.18 Nontermination argument in form of an infinite execution 17.41/8.18 {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0, ~unnamed0~0~false=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~true=1} 17.41/8.18 {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=0, j=0} 17.41/8.18 {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=2, j=2} 17.41/8.18 {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=4, j=4} 17.41/8.18 {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=6, j=6} 17.41/8.18 {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=8, j=8} 17.41/8.18 - StatisticsResult: NonterminationArgumentStatistics 17.41/8.18 Unbounded Execution 3GEVs Lambdas: [4, 1, 1] Mus: [1, 0] 17.41/8.18 - NonterminatingLassoResult [Line: 12]: Nonterminating execution 17.41/8.18 Found a nonterminating execution for the following lasso shaped sequence of statements. 17.41/8.18 Stem: 17.41/8.18 [L6] int i; 17.41/8.18 [L7] int j; 17.41/8.18 [L8] j = 0 17.41/8.18 [L9] i = 0 17.41/8.18 [L11] COND TRUE i <= j 17.41/8.18 Loop: 17.41/8.18 [L12] COND TRUE j-i < 1 17.41/8.18 [L12] j = j+2 17.41/8.18 [L13] i = i+1 17.41/8.18 [L11] COND TRUE i <= j 17.41/8.18 [L12] COND FALSE !(j-i < 1) 17.41/8.18 [L13] i = i+1 17.41/8.18 [L11] COND TRUE i <= j 17.41/8.18 End of lasso representation. 17.41/8.18 RESULT: Ultimate proved your program to be incorrect! 17.41/8.18 !SESSION 2019-03-28 22:24:28.009 ----------------------------------------------- 17.41/8.18 eclipse.buildId=unknown 17.41/8.18 java.version=1.8.0_181 17.41/8.18 java.vendor=Oracle Corporation 17.41/8.18 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.41/8.18 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.41/8.18 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 17.41/8.18 17.41/8.18 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:24:35.378 17.41/8.18 !MESSAGE The workspace will exit with unsaved changes in this session. 17.41/8.18 Received shutdown request... 17.41/8.18 Ultimate: 17.41/8.18 GTK+ Version Check 17.41/8.18 EOF