14.07/8.13 YES 14.07/8.13 14.07/8.13 Ultimate: Cannot open display: 14.07/8.13 This is Ultimate 0.1.24-8dc7c08-m 14.07/8.13 [2019-03-28 11:52:18,498 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.07/8.13 [2019-03-28 11:52:18,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.07/8.13 [2019-03-28 11:52:18,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.07/8.13 [2019-03-28 11:52:18,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.07/8.13 [2019-03-28 11:52:18,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.07/8.13 [2019-03-28 11:52:18,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.07/8.13 [2019-03-28 11:52:18,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.07/8.13 [2019-03-28 11:52:18,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.07/8.13 [2019-03-28 11:52:18,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.07/8.13 [2019-03-28 11:52:18,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.07/8.13 [2019-03-28 11:52:18,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.07/8.13 [2019-03-28 11:52:18,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.07/8.13 [2019-03-28 11:52:18,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.07/8.13 [2019-03-28 11:52:18,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.07/8.13 [2019-03-28 11:52:18,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.07/8.13 [2019-03-28 11:52:18,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.07/8.13 [2019-03-28 11:52:18,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.07/8.13 [2019-03-28 11:52:18,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.07/8.13 [2019-03-28 11:52:18,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.07/8.13 [2019-03-28 11:52:18,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.07/8.13 [2019-03-28 11:52:18,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.07/8.13 [2019-03-28 11:52:18,533 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.07/8.13 [2019-03-28 11:52:18,534 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.07/8.13 [2019-03-28 11:52:18,534 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.07/8.13 [2019-03-28 11:52:18,535 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.07/8.13 [2019-03-28 11:52:18,535 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.07/8.14 [2019-03-28 11:52:18,536 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.07/8.14 [2019-03-28 11:52:18,536 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.07/8.14 [2019-03-28 11:52:18,537 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.07/8.14 [2019-03-28 11:52:18,538 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.07/8.14 [2019-03-28 11:52:18,538 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.07/8.14 [2019-03-28 11:52:18,539 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.07/8.14 [2019-03-28 11:52:18,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.07/8.14 [2019-03-28 11:52:18,540 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.07/8.14 [2019-03-28 11:52:18,540 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.07/8.14 [2019-03-28 11:52:18,541 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.07/8.14 [2019-03-28 11:52:18,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.07/8.14 [2019-03-28 11:52:18,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.07/8.14 [2019-03-28 11:52:18,542 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.07/8.14 [2019-03-28 11:52:18,557 INFO L110 SettingsManager]: Loading preferences was successful 14.07/8.14 [2019-03-28 11:52:18,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.07/8.14 [2019-03-28 11:52:18,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.07/8.14 [2019-03-28 11:52:18,558 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.07/8.14 [2019-03-28 11:52:18,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.07/8.14 [2019-03-28 11:52:18,559 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.07/8.14 [2019-03-28 11:52:18,559 INFO L133 SettingsManager]: * Use SBE=true 14.07/8.14 [2019-03-28 11:52:18,559 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.07/8.14 [2019-03-28 11:52:18,559 INFO L133 SettingsManager]: * Use old map elimination=false 14.07/8.14 [2019-03-28 11:52:18,560 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.07/8.14 [2019-03-28 11:52:18,560 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.07/8.14 [2019-03-28 11:52:18,560 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.07/8.14 [2019-03-28 11:52:18,560 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.07/8.14 [2019-03-28 11:52:18,560 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.07/8.14 [2019-03-28 11:52:18,561 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:18,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.07/8.14 [2019-03-28 11:52:18,561 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.07/8.14 [2019-03-28 11:52:18,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.07/8.14 [2019-03-28 11:52:18,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.07/8.14 [2019-03-28 11:52:18,562 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.07/8.14 [2019-03-28 11:52:18,562 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.07/8.14 [2019-03-28 11:52:18,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.07/8.14 [2019-03-28 11:52:18,562 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.07/8.14 [2019-03-28 11:52:18,562 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.07/8.14 [2019-03-28 11:52:18,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.07/8.14 [2019-03-28 11:52:18,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.07/8.14 [2019-03-28 11:52:18,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.07/8.14 [2019-03-28 11:52:18,563 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.07/8.14 [2019-03-28 11:52:18,563 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.07/8.14 [2019-03-28 11:52:18,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.07/8.14 [2019-03-28 11:52:18,604 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.07/8.14 [2019-03-28 11:52:18,608 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.07/8.14 [2019-03-28 11:52:18,609 INFO L271 PluginConnector]: Initializing CDTParser... 14.07/8.14 [2019-03-28 11:52:18,609 INFO L276 PluginConnector]: CDTParser initialized 14.07/8.14 [2019-03-28 11:52:18,610 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.07/8.14 [2019-03-28 11:52:18,679 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/6d2e5afe956244ab9a129f257740fe07/FLAG21eb97442 14.07/8.14 [2019-03-28 11:52:19,227 INFO L307 CDTParser]: Found 1 translation units. 14.07/8.14 [2019-03-28 11:52:19,228 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.07/8.14 [2019-03-28 11:52:19,235 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/6d2e5afe956244ab9a129f257740fe07/FLAG21eb97442 14.07/8.14 [2019-03-28 11:52:19,625 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/6d2e5afe956244ab9a129f257740fe07 14.07/8.14 [2019-03-28 11:52:19,637 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.07/8.14 [2019-03-28 11:52:19,638 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.07/8.14 [2019-03-28 11:52:19,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.07/8.14 [2019-03-28 11:52:19,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.07/8.14 [2019-03-28 11:52:19,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.07/8.14 [2019-03-28 11:52:19,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:19,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8aa116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:19,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:19,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.07/8.14 [2019-03-28 11:52:19,672 INFO L176 MainTranslator]: Built tables and reachable declarations 14.07/8.14 [2019-03-28 11:52:19,839 INFO L206 PostProcessor]: Analyzing one entry point: main 14.07/8.14 [2019-03-28 11:52:19,844 INFO L191 MainTranslator]: Completed pre-run 14.07/8.14 [2019-03-28 11:52:19,860 INFO L206 PostProcessor]: Analyzing one entry point: main 14.07/8.14 [2019-03-28 11:52:19,875 INFO L195 MainTranslator]: Completed translation 14.07/8.14 [2019-03-28 11:52:19,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19 WrapperNode 14.07/8.14 [2019-03-28 11:52:19,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.07/8.14 [2019-03-28 11:52:19,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.07/8.14 [2019-03-28 11:52:19,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.07/8.14 [2019-03-28 11:52:19,877 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.07/8.14 [2019-03-28 11:52:19,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:19,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.07/8.14 [2019-03-28 11:52:20,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.07/8.14 [2019-03-28 11:52:20,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.07/8.14 [2019-03-28 11:52:20,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.07/8.14 [2019-03-28 11:52:20,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.07/8.14 [2019-03-28 11:52:20,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.07/8.14 [2019-03-28 11:52:20,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.07/8.14 [2019-03-28 11:52:20,022 INFO L276 PluginConnector]: RCFGBuilder initialized 14.07/8.14 [2019-03-28 11:52:20,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (1/1) ... 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.07/8.14 [2019-03-28 11:52:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.07/8.14 [2019-03-28 11:52:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.07/8.14 [2019-03-28 11:52:20,258 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.07/8.14 [2019-03-28 11:52:20,259 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.07/8.14 [2019-03-28 11:52:20,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:20 BoogieIcfgContainer 14.07/8.14 [2019-03-28 11:52:20,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.07/8.14 [2019-03-28 11:52:20,261 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.07/8.14 [2019-03-28 11:52:20,261 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.07/8.14 [2019-03-28 11:52:20,263 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.07/8.14 [2019-03-28 11:52:20,264 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:20" (1/1) ... 14.07/8.14 [2019-03-28 11:52:20,278 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.07/8.14 [2019-03-28 11:52:20,280 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.07/8.14 [2019-03-28 11:52:20,281 INFO L263 BlockEncoder]: Using Maximize final states 14.07/8.14 [2019-03-28 11:52:20,281 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.07/8.14 [2019-03-28 11:52:20,282 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.07/8.14 [2019-03-28 11:52:20,284 INFO L296 BlockEncoder]: Using Remove sink states 14.07/8.14 [2019-03-28 11:52:20,286 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.07/8.14 [2019-03-28 11:52:20,286 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.07/8.14 [2019-03-28 11:52:20,300 INFO L185 BlockEncoder]: Using Use SBE 14.07/8.14 [2019-03-28 11:52:20,309 INFO L200 BlockEncoder]: SBE split 0 edges 14.07/8.14 [2019-03-28 11:52:20,314 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.07/8.14 [2019-03-28 11:52:20,315 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.07/8.14 [2019-03-28 11:52:20,329 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.07/8.14 [2019-03-28 11:52:20,331 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.07/8.14 [2019-03-28 11:52:20,333 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.07/8.14 [2019-03-28 11:52:20,333 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.07/8.14 [2019-03-28 11:52:20,333 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.07/8.14 [2019-03-28 11:52:20,333 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.07/8.14 [2019-03-28 11:52:20,334 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.07/8.14 [2019-03-28 11:52:20,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:52:20 BasicIcfg 14.07/8.14 [2019-03-28 11:52:20,334 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.07/8.14 [2019-03-28 11:52:20,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.07/8.14 [2019-03-28 11:52:20,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.07/8.14 [2019-03-28 11:52:20,338 INFO L276 PluginConnector]: TraceAbstraction initialized 14.07/8.14 [2019-03-28 11:52:20,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:52:19" (1/4) ... 14.07/8.14 [2019-03-28 11:52:20,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20caef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (2/4) ... 14.07/8.14 [2019-03-28 11:52:20,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20caef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:20" (3/4) ... 14.07/8.14 [2019-03-28 11:52:20,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20caef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:52:20" (4/4) ... 14.07/8.14 [2019-03-28 11:52:20,342 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.07/8.14 [2019-03-28 11:52:20,352 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.07/8.14 [2019-03-28 11:52:20,360 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.07/8.14 [2019-03-28 11:52:20,377 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.07/8.14 [2019-03-28 11:52:20,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.07/8.14 [2019-03-28 11:52:20,406 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.07/8.14 [2019-03-28 11:52:20,406 INFO L383 AbstractCegarLoop]: Hoare is true 14.07/8.14 [2019-03-28 11:52:20,407 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.07/8.14 [2019-03-28 11:52:20,407 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.07/8.14 [2019-03-28 11:52:20,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.07/8.14 [2019-03-28 11:52:20,407 INFO L387 AbstractCegarLoop]: Difference is false 14.07/8.14 [2019-03-28 11:52:20,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.07/8.14 [2019-03-28 11:52:20,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.07/8.14 [2019-03-28 11:52:20,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.07/8.14 [2019-03-28 11:52:20,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.07/8.14 [2019-03-28 11:52:20,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.07/8.14 [2019-03-28 11:52:20,479 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 21) no Hoare annotation was computed. 14.07/8.14 [2019-03-28 11:52:20,479 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 15 22) the Hoare annotation is: true 14.07/8.14 [2019-03-28 11:52:20,480 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.07/8.14 [2019-03-28 11:52:20,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:52:20 BasicIcfg 14.07/8.14 [2019-03-28 11:52:20,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.07/8.14 [2019-03-28 11:52:20,488 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.07/8.14 [2019-03-28 11:52:20,488 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.07/8.14 [2019-03-28 11:52:20,492 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.07/8.14 [2019-03-28 11:52:20,492 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.07/8.14 [2019-03-28 11:52:20,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:52:19" (1/5) ... 14.07/8.14 [2019-03-28 11:52:20,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ffe978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,493 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.07/8.14 [2019-03-28 11:52:20,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:19" (2/5) ... 14.07/8.14 [2019-03-28 11:52:20,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ffe978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,494 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.07/8.14 [2019-03-28 11:52:20,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:20" (3/5) ... 14.07/8.14 [2019-03-28 11:52:20,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ffe978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,495 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.07/8.14 [2019-03-28 11:52:20,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:52:20" (4/5) ... 14.07/8.14 [2019-03-28 11:52:20,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ffe978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:52:20, skipping insertion in model container 14.07/8.14 [2019-03-28 11:52:20,495 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.07/8.14 [2019-03-28 11:52:20,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:52:20" (5/5) ... 14.07/8.14 [2019-03-28 11:52:20,497 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.07/8.14 [2019-03-28 11:52:20,525 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.07/8.14 [2019-03-28 11:52:20,526 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.07/8.14 [2019-03-28 11:52:20,526 INFO L375 BuchiCegarLoop]: Hoare is true 14.07/8.14 [2019-03-28 11:52:20,527 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.07/8.14 [2019-03-28 11:52:20,527 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.07/8.14 [2019-03-28 11:52:20,527 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.07/8.14 [2019-03-28 11:52:20,527 INFO L379 BuchiCegarLoop]: Difference is false 14.07/8.14 [2019-03-28 11:52:20,527 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.07/8.14 [2019-03-28 11:52:20,527 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.07/8.14 [2019-03-28 11:52:20,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.07/8.14 [2019-03-28 11:52:20,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.07/8.14 [2019-03-28 11:52:20,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.07/8.14 [2019-03-28 11:52:20,563 INFO L119 BuchiIsEmpty]: Starting construction of run 14.07/8.14 [2019-03-28 11:52:20,568 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.07/8.14 [2019-03-28 11:52:20,568 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.07/8.14 [2019-03-28 11:52:20,568 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.07/8.14 [2019-03-28 11:52:20,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.07/8.14 [2019-03-28 11:52:20,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.07/8.14 [2019-03-28 11:52:20,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.07/8.14 [2019-03-28 11:52:20,569 INFO L119 BuchiIsEmpty]: Starting construction of run 14.07/8.14 [2019-03-28 11:52:20,569 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.07/8.14 [2019-03-28 11:52:20,570 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.07/8.14 [2019-03-28 11:52:20,580 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [24] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_1|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0] 5#L16-2true 14.07/8.14 [2019-03-28 11:52:20,581 INFO L796 eck$LassoCheckResult]: Loop: 5#L16-2true [32] L16-2-->L16: Formula: (< 0 v_ULTIMATE.start_main_~i~0_5) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} AuxVars[] AssignedVars[] 4#L16true [34] L16-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 v_ULTIMATE.start_main_~N~0_4) (>= 0 v_ULTIMATE.start_main_~j~0_7) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_6 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~i~0] 5#L16-2true 14.07/8.14 [2019-03-28 11:52:20,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:20,588 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 14.07/8.14 [2019-03-28 11:52:20,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.07/8.14 [2019-03-28 11:52:20,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.07/8.14 [2019-03-28 11:52:20,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:20,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:20,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1987, now seen corresponding path program 1 times 14.07/8.14 [2019-03-28 11:52:20,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.07/8.14 [2019-03-28 11:52:20,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.07/8.14 [2019-03-28 11:52:20,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash 53881, now seen corresponding path program 1 times 14.07/8.14 [2019-03-28 11:52:20,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.07/8.14 [2019-03-28 11:52:20,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.07/8.14 [2019-03-28 11:52:20,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:20,738 INFO L216 LassoAnalysis]: Preferences: 14.07/8.14 [2019-03-28 11:52:20,739 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.07/8.14 [2019-03-28 11:52:20,740 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.07/8.14 [2019-03-28 11:52:20,740 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.07/8.14 [2019-03-28 11:52:20,740 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.07/8.14 [2019-03-28 11:52:20,740 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:20,740 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.07/8.14 [2019-03-28 11:52:20,740 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.07/8.14 [2019-03-28 11:52:20,741 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.07/8.14 [2019-03-28 11:52:20,741 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.07/8.14 [2019-03-28 11:52:20,741 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.07/8.14 [2019-03-28 11:52:20,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:20,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:20,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:20,851 INFO L300 LassoAnalysis]: Preprocessing complete. 14.07/8.14 [2019-03-28 11:52:20,852 INFO L412 LassoAnalysis]: Checking for nontermination... 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:20,859 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.07/8.14 [2019-03-28 11:52:20,859 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.07/8.14 [2019-03-28 11:52:20,872 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.07/8.14 [2019-03-28 11:52:20,872 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=-4, ULTIMATE.start_main_~N~0=-4} Honda state: {ULTIMATE.start_main_~j~0=-4, ULTIMATE.start_main_~N~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:20,902 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.07/8.14 [2019-03-28 11:52:20,902 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:20,936 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.07/8.14 [2019-03-28 11:52:20,936 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.07/8.14 [2019-03-28 11:52:20,968 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.07/8.14 [2019-03-28 11:52:20,970 INFO L216 LassoAnalysis]: Preferences: 14.07/8.14 [2019-03-28 11:52:20,970 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.07/8.14 [2019-03-28 11:52:20,970 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.07/8.14 [2019-03-28 11:52:20,970 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.07/8.14 [2019-03-28 11:52:20,970 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.07/8.14 [2019-03-28 11:52:20,970 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:20,971 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.07/8.14 [2019-03-28 11:52:20,971 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.07/8.14 [2019-03-28 11:52:20,971 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.07/8.14 [2019-03-28 11:52:20,971 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.07/8.14 [2019-03-28 11:52:20,971 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.07/8.14 [2019-03-28 11:52:20,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:20,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,106 INFO L300 LassoAnalysis]: Preprocessing complete. 14.07/8.14 [2019-03-28 11:52:21,112 INFO L497 LassoAnalysis]: Using template 'affine'. 14.07/8.14 [2019-03-28 11:52:21,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.07/8.14 Termination analysis: LINEAR_WITH_GUESSES 14.07/8.14 Number of strict supporting invariants: 0 14.07/8.14 Number of non-strict supporting invariants: 1 14.07/8.14 Consider only non-deceasing supporting invariants: true 14.07/8.14 Simplify termination arguments: true 14.07/8.14 Simplify supporting invariants: trueOverapproximate stem: false 14.07/8.14 [2019-03-28 11:52:21,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.07/8.14 [2019-03-28 11:52:21,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.07/8.14 [2019-03-28 11:52:21,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.07/8.14 [2019-03-28 11:52:21,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.07/8.14 [2019-03-28 11:52:21,116 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.07/8.14 [2019-03-28 11:52:21,119 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.07/8.14 [2019-03-28 11:52:21,119 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.07/8.14 [2019-03-28 11:52:21,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.07/8.14 [2019-03-28 11:52:21,129 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.07/8.14 Termination analysis: LINEAR_WITH_GUESSES 14.07/8.14 Number of strict supporting invariants: 0 14.07/8.14 Number of non-strict supporting invariants: 1 14.07/8.14 Consider only non-deceasing supporting invariants: true 14.07/8.14 Simplify termination arguments: true 14.07/8.14 Simplify supporting invariants: trueOverapproximate stem: false 14.07/8.14 [2019-03-28 11:52:21,129 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.07/8.14 [2019-03-28 11:52:21,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.07/8.14 [2019-03-28 11:52:21,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.07/8.14 [2019-03-28 11:52:21,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.07/8.14 [2019-03-28 11:52:21,130 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.07/8.14 [2019-03-28 11:52:21,131 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.07/8.14 [2019-03-28 11:52:21,131 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.07/8.14 [2019-03-28 11:52:21,137 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.07/8.14 [2019-03-28 11:52:21,141 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.07/8.14 [2019-03-28 11:52:21,142 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.07/8.14 [2019-03-28 11:52:21,144 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.07/8.14 [2019-03-28 11:52:21,144 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.07/8.14 [2019-03-28 11:52:21,144 INFO L518 LassoAnalysis]: Proved termination. 14.07/8.14 [2019-03-28 11:52:21,145 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.07/8.14 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 14.07/8.14 Supporting invariants [] 14.07/8.14 [2019-03-28 11:52:21,146 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.07/8.14 [2019-03-28 11:52:21,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.07/8.14 [2019-03-28 11:52:21,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.07/8.14 [2019-03-28 11:52:21,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.07/8.14 [2019-03-28 11:52:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.07/8.14 [2019-03-28 11:52:21,221 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.07/8.14 [2019-03-28 11:52:21,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.07/8.14 [2019-03-28 11:52:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.07/8.14 [2019-03-28 11:52:21,272 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.07/8.14 [2019-03-28 11:52:21,277 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.07/8.14 [2019-03-28 11:52:21,278 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.07/8.14 [2019-03-28 11:52:21,308 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 11 transitions. Complement of second has 4 states. 14.07/8.14 [2019-03-28 11:52:21,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.07/8.14 [2019-03-28 11:52:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.07/8.14 [2019-03-28 11:52:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 14.07/8.14 [2019-03-28 11:52:21,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 14.07/8.14 [2019-03-28 11:52:21,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.07/8.14 [2019-03-28 11:52:21,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 14.07/8.14 [2019-03-28 11:52:21,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.07/8.14 [2019-03-28 11:52:21,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 14.07/8.14 [2019-03-28 11:52:21,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.07/8.14 [2019-03-28 11:52:21,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 14.07/8.14 [2019-03-28 11:52:21,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.07/8.14 [2019-03-28 11:52:21,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 14.07/8.14 [2019-03-28 11:52:21,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.07/8.14 [2019-03-28 11:52:21,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.07/8.14 [2019-03-28 11:52:21,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 14.07/8.14 [2019-03-28 11:52:21,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.07/8.14 [2019-03-28 11:52:21,327 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.07/8.14 [2019-03-28 11:52:21,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 14.07/8.14 [2019-03-28 11:52:21,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 14.07/8.14 [2019-03-28 11:52:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.07/8.14 [2019-03-28 11:52:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 14.07/8.14 [2019-03-28 11:52:21,356 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.07/8.14 [2019-03-28 11:52:21,356 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.07/8.14 [2019-03-28 11:52:21,356 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.07/8.14 [2019-03-28 11:52:21,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 14.07/8.14 [2019-03-28 11:52:21,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.07/8.14 [2019-03-28 11:52:21,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.07/8.14 [2019-03-28 11:52:21,357 INFO L119 BuchiIsEmpty]: Starting construction of run 14.07/8.14 [2019-03-28 11:52:21,358 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.07/8.14 [2019-03-28 11:52:21,358 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.07/8.14 [2019-03-28 11:52:21,358 INFO L794 eck$LassoCheckResult]: Stem: 49#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_1|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0] 50#L16-2 [32] L16-2-->L16: Formula: (< 0 v_ULTIMATE.start_main_~i~0_5) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} AuxVars[] AssignedVars[] 44#L16 14.07/8.14 [2019-03-28 11:52:21,358 INFO L796 eck$LassoCheckResult]: Loop: 44#L16 [25] L16-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_5 (+ v_ULTIMATE.start_main_~j~0_4 1)) (< 0 v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_4, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~post2] 45#L16-2 [32] L16-2-->L16: Formula: (< 0 v_ULTIMATE.start_main_~i~0_5) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} AuxVars[] AssignedVars[] 44#L16 14.07/8.14 [2019-03-28 11:52:21,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:21,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1737, now seen corresponding path program 1 times 14.07/8.14 [2019-03-28 11:52:21,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.07/8.14 [2019-03-28 11:52:21,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.07/8.14 [2019-03-28 11:52:21,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:21,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:21,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1768, now seen corresponding path program 1 times 14.07/8.14 [2019-03-28 11:52:21,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.07/8.14 [2019-03-28 11:52:21,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.07/8.14 [2019-03-28 11:52:21,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:21,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:21,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1670064, now seen corresponding path program 1 times 14.07/8.14 [2019-03-28 11:52:21,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.07/8.14 [2019-03-28 11:52:21,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.07/8.14 [2019-03-28 11:52:21,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.07/8.14 [2019-03-28 11:52:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.07/8.14 [2019-03-28 11:52:21,410 INFO L216 LassoAnalysis]: Preferences: 14.07/8.14 [2019-03-28 11:52:21,410 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.07/8.14 [2019-03-28 11:52:21,410 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.07/8.14 [2019-03-28 11:52:21,410 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.07/8.14 [2019-03-28 11:52:21,410 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.07/8.14 [2019-03-28 11:52:21,411 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:21,411 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.07/8.14 [2019-03-28 11:52:21,411 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.07/8.14 [2019-03-28 11:52:21,411 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.07/8.14 [2019-03-28 11:52:21,411 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.07/8.14 [2019-03-28 11:52:21,411 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.07/8.14 [2019-03-28 11:52:21,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,463 INFO L300 LassoAnalysis]: Preprocessing complete. 14.07/8.14 [2019-03-28 11:52:21,463 INFO L412 LassoAnalysis]: Checking for nontermination... 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:21,472 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.07/8.14 [2019-03-28 11:52:21,472 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.07/8.14 [2019-03-28 11:52:21,500 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.07/8.14 [2019-03-28 11:52:21,500 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=1} Honda state: {ULTIMATE.start_main_~i~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:21,506 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.07/8.14 [2019-03-28 11:52:21,506 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.07/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.07/8.14 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.07/8.14 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:21,538 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.07/8.14 [2019-03-28 11:52:21,538 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.07/8.14 [2019-03-28 11:52:21,569 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.07/8.14 [2019-03-28 11:52:21,571 INFO L216 LassoAnalysis]: Preferences: 14.07/8.14 [2019-03-28 11:52:21,571 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.07/8.14 [2019-03-28 11:52:21,571 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.07/8.14 [2019-03-28 11:52:21,571 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.07/8.14 [2019-03-28 11:52:21,571 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.07/8.14 [2019-03-28 11:52:21,571 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.07/8.14 [2019-03-28 11:52:21,571 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.07/8.14 [2019-03-28 11:52:21,572 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.07/8.14 [2019-03-28 11:52:21,572 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.07/8.14 [2019-03-28 11:52:21,572 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.07/8.14 [2019-03-28 11:52:21,572 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.07/8.14 [2019-03-28 11:52:21,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.07/8.14 [2019-03-28 11:52:21,614 INFO L300 LassoAnalysis]: Preprocessing complete. 14.07/8.14 [2019-03-28 11:52:21,614 INFO L497 LassoAnalysis]: Using template 'affine'. 14.07/8.14 [2019-03-28 11:52:21,614 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.07/8.14 Termination analysis: LINEAR_WITH_GUESSES 14.07/8.14 Number of strict supporting invariants: 0 14.07/8.14 Number of non-strict supporting invariants: 1 14.07/8.14 Consider only non-deceasing supporting invariants: true 14.07/8.14 Simplify termination arguments: true 14.07/8.14 Simplify supporting invariants: trueOverapproximate stem: false 14.07/8.14 [2019-03-28 11:52:21,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.07/8.14 [2019-03-28 11:52:21,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.07/8.14 [2019-03-28 11:52:21,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.07/8.14 [2019-03-28 11:52:21,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.07/8.14 [2019-03-28 11:52:21,616 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.07/8.14 [2019-03-28 11:52:21,617 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.07/8.14 [2019-03-28 11:52:21,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.07/8.14 [2019-03-28 11:52:21,618 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.07/8.14 [2019-03-28 11:52:21,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.07/8.14 Termination analysis: LINEAR_WITH_GUESSES 14.07/8.14 Number of strict supporting invariants: 0 14.07/8.14 Number of non-strict supporting invariants: 1 14.07/8.14 Consider only non-deceasing supporting invariants: true 14.07/8.14 Simplify termination arguments: true 14.07/8.14 Simplify supporting invariants: trueOverapproximate stem: false 14.07/8.14 [2019-03-28 11:52:21,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.07/8.14 [2019-03-28 11:52:21,619 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.07/8.14 [2019-03-28 11:52:21,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.07/8.14 [2019-03-28 11:52:21,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.07/8.14 [2019-03-28 11:52:21,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.07/8.14 [2019-03-28 11:52:21,620 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.07/8.14 [2019-03-28 11:52:21,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.07/8.14 [2019-03-28 11:52:21,625 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.07/8.14 [2019-03-28 11:52:21,628 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.07/8.14 [2019-03-28 11:52:21,628 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.07/8.14 [2019-03-28 11:52:21,629 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.07/8.14 [2019-03-28 11:52:21,629 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.07/8.14 [2019-03-28 11:52:21,629 INFO L518 LassoAnalysis]: Proved termination. 14.07/8.14 [2019-03-28 11:52:21,629 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.07/8.14 Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 14.07/8.14 Supporting invariants [] 14.07/8.14 [2019-03-28 11:52:21,630 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.07/8.14 [2019-03-28 11:52:21,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.07/8.14 [2019-03-28 11:52:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.07/8.14 [2019-03-28 11:52:21,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.07/8.14 [2019-03-28 11:52:21,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.07/8.14 [2019-03-28 11:52:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.07/8.14 [2019-03-28 11:52:21,656 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 14.07/8.14 [2019-03-28 11:52:21,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.07/8.14 [2019-03-28 11:52:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.07/8.14 [2019-03-28 11:52:21,727 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 14.07/8.14 [2019-03-28 11:52:21,728 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 14.07/8.14 [2019-03-28 11:52:21,728 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 14.07/8.14 [2019-03-28 11:52:21,743 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 15 transitions. Complement of second has 4 states. 14.07/8.14 [2019-03-28 11:52:21,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.07/8.14 [2019-03-28 11:52:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.07/8.14 [2019-03-28 11:52:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.07/8.14 [2019-03-28 11:52:21,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 14.07/8.14 [2019-03-28 11:52:21,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.07/8.14 [2019-03-28 11:52:21,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 14.07/8.14 [2019-03-28 11:52:21,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.07/8.14 [2019-03-28 11:52:21,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. 14.07/8.14 [2019-03-28 11:52:21,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.07/8.14 [2019-03-28 11:52:21,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 15 transitions. 14.07/8.14 [2019-03-28 11:52:21,749 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.07/8.14 [2019-03-28 11:52:21,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 14.07/8.14 [2019-03-28 11:52:21,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.07/8.14 [2019-03-28 11:52:21,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.07/8.14 [2019-03-28 11:52:21,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.07/8.14 [2019-03-28 11:52:21,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.07/8.14 [2019-03-28 11:52:21,750 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.07/8.14 [2019-03-28 11:52:21,750 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.07/8.14 [2019-03-28 11:52:21,750 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.07/8.14 [2019-03-28 11:52:21,750 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.07/8.14 [2019-03-28 11:52:21,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.07/8.14 [2019-03-28 11:52:21,750 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.07/8.14 [2019-03-28 11:52:21,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.07/8.14 [2019-03-28 11:52:21,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:52:21 BasicIcfg 14.07/8.14 [2019-03-28 11:52:21,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.07/8.14 [2019-03-28 11:52:21,758 INFO L168 Benchmark]: Toolchain (without parser) took 2120.68 ms. Allocated memory was 649.6 MB in the beginning and 687.3 MB in the end (delta: 37.7 MB). Free memory was 563.1 MB in the beginning and 513.6 MB in the end (delta: 49.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,760 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.7 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.99 ms. Allocated memory is still 649.6 MB. Free memory was 563.1 MB in the beginning and 552.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.41 ms. Allocated memory was 649.6 MB in the beginning and 687.3 MB in the end (delta: 37.7 MB). Free memory was 552.2 MB in the beginning and 655.1 MB in the end (delta: -102.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,762 INFO L168 Benchmark]: Boogie Preprocessor took 20.28 ms. Allocated memory is still 687.3 MB. Free memory was 655.1 MB in the beginning and 653.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,763 INFO L168 Benchmark]: RCFGBuilder took 239.22 ms. Allocated memory is still 687.3 MB. Free memory was 653.8 MB in the beginning and 639.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,763 INFO L168 Benchmark]: BlockEncodingV2 took 73.57 ms. Allocated memory is still 687.3 MB. Free memory was 639.1 MB in the beginning and 633.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,764 INFO L168 Benchmark]: TraceAbstraction took 152.65 ms. Allocated memory is still 687.3 MB. Free memory was 633.7 MB in the beginning and 625.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,764 INFO L168 Benchmark]: BuchiAutomizer took 1269.42 ms. Allocated memory is still 687.3 MB. Free memory was 624.2 MB in the beginning and 513.6 MB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 50.3 GB. 14.07/8.14 [2019-03-28 11:52:21,769 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.07/8.14 --- Results --- 14.07/8.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.07/8.14 - StatisticsResult: Initial Icfg 14.07/8.14 7 locations, 9 edges 14.07/8.14 - StatisticsResult: Encoded RCFG 14.07/8.14 3 locations, 4 edges 14.07/8.14 * Results from de.uni_freiburg.informatik.ultimate.core: 14.07/8.14 - StatisticsResult: Toolchain Benchmarks 14.07/8.14 Benchmark results are: 14.07/8.14 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.7 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.07/8.14 * CACSL2BoogieTranslator took 236.99 ms. Allocated memory is still 649.6 MB. Free memory was 563.1 MB in the beginning and 552.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 14.07/8.14 * Boogie Procedure Inliner took 123.41 ms. Allocated memory was 649.6 MB in the beginning and 687.3 MB in the end (delta: 37.7 MB). Free memory was 552.2 MB in the beginning and 655.1 MB in the end (delta: -102.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. 14.07/8.14 * Boogie Preprocessor took 20.28 ms. Allocated memory is still 687.3 MB. Free memory was 655.1 MB in the beginning and 653.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.07/8.14 * RCFGBuilder took 239.22 ms. Allocated memory is still 687.3 MB. Free memory was 653.8 MB in the beginning and 639.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 14.07/8.14 * BlockEncodingV2 took 73.57 ms. Allocated memory is still 687.3 MB. Free memory was 639.1 MB in the beginning and 633.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.07/8.14 * TraceAbstraction took 152.65 ms. Allocated memory is still 687.3 MB. Free memory was 633.7 MB in the beginning and 625.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.07/8.14 * BuchiAutomizer took 1269.42 ms. Allocated memory is still 687.3 MB. Free memory was 624.2 MB in the beginning and 513.6 MB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 50.3 GB. 14.07/8.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.07/8.14 - AllSpecificationsHoldResult: All specifications hold 14.07/8.14 We were not able to verify any specifiation because the program does not contain any specification. 14.07/8.14 - InvariantResult [Line: 15]: Loop Invariant 14.07/8.14 Derived loop invariant: 1 14.07/8.14 - StatisticsResult: Ultimate Automizer benchmark data 14.07/8.14 CFG has 1 procedures, 3 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=3occurred 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 14.07/8.14 - StatisticsResult: Constructed decomposition of program 14.07/8.14 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 14.07/8.14 - StatisticsResult: Timing statistics 14.07/8.14 BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 14.07/8.14 - TerminationAnalysisResult: Termination proven 14.07/8.14 Buchi Automizer proved that your program is terminating 14.07/8.14 RESULT: Ultimate proved your program to be correct! 14.07/8.14 !SESSION 2019-03-28 11:52:15.524 ----------------------------------------------- 14.07/8.14 eclipse.buildId=unknown 14.07/8.14 java.version=1.8.0_181 14.07/8.14 java.vendor=Oracle Corporation 14.07/8.14 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.07/8.14 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.07/8.14 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 14.07/8.14 14.07/8.14 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:52:22.004 14.07/8.14 !MESSAGE The workspace will exit with unsaved changes in this session. 14.07/8.14 Received shutdown request... 14.07/8.14 Ultimate: 14.07/8.14 GTK+ Version Check 14.07/8.14 EOF