15.01/8.29 YES 15.01/8.29 15.01/8.29 Ultimate: Cannot open display: 15.01/8.29 This is Ultimate 0.1.24-8dc7c08-m 15.01/8.29 [2019-03-29 02:06:01,317 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.01/8.29 [2019-03-29 02:06:01,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.01/8.29 [2019-03-29 02:06:01,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.01/8.29 [2019-03-29 02:06:01,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.01/8.29 [2019-03-29 02:06:01,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.01/8.29 [2019-03-29 02:06:01,335 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.01/8.29 [2019-03-29 02:06:01,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.01/8.29 [2019-03-29 02:06:01,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.01/8.29 [2019-03-29 02:06:01,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.01/8.29 [2019-03-29 02:06:01,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.01/8.29 [2019-03-29 02:06:01,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.01/8.29 [2019-03-29 02:06:01,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.01/8.29 [2019-03-29 02:06:01,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.01/8.29 [2019-03-29 02:06:01,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.01/8.29 [2019-03-29 02:06:01,344 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.01/8.29 [2019-03-29 02:06:01,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.01/8.29 [2019-03-29 02:06:01,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.01/8.29 [2019-03-29 02:06:01,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.01/8.29 [2019-03-29 02:06:01,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.01/8.29 [2019-03-29 02:06:01,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,352 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.01/8.29 [2019-03-29 02:06:01,353 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.01/8.29 [2019-03-29 02:06:01,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.01/8.29 [2019-03-29 02:06:01,354 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.01/8.29 [2019-03-29 02:06:01,355 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.01/8.29 [2019-03-29 02:06:01,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.01/8.29 [2019-03-29 02:06:01,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.01/8.29 [2019-03-29 02:06:01,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.01/8.29 [2019-03-29 02:06:01,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.01/8.29 [2019-03-29 02:06:01,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.01/8.29 [2019-03-29 02:06:01,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.01/8.29 [2019-03-29 02:06:01,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.01/8.29 [2019-03-29 02:06:01,360 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.01/8.29 [2019-03-29 02:06:01,375 INFO L110 SettingsManager]: Loading preferences was successful 15.01/8.29 [2019-03-29 02:06:01,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.01/8.29 [2019-03-29 02:06:01,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.01/8.29 [2019-03-29 02:06:01,377 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.01/8.29 [2019-03-29 02:06:01,377 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.01/8.29 [2019-03-29 02:06:01,377 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.01/8.29 [2019-03-29 02:06:01,377 INFO L133 SettingsManager]: * Use SBE=true 15.01/8.29 [2019-03-29 02:06:01,377 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.01/8.29 [2019-03-29 02:06:01,378 INFO L133 SettingsManager]: * Use old map elimination=false 15.01/8.29 [2019-03-29 02:06:01,378 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.01/8.29 [2019-03-29 02:06:01,378 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.01/8.29 [2019-03-29 02:06:01,378 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.01/8.29 [2019-03-29 02:06:01,378 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.01/8.29 [2019-03-29 02:06:01,379 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.01/8.29 [2019-03-29 02:06:01,379 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:01,379 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.01/8.29 [2019-03-29 02:06:01,379 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.01/8.29 [2019-03-29 02:06:01,379 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.01/8.29 [2019-03-29 02:06:01,380 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.01/8.29 [2019-03-29 02:06:01,380 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.01/8.29 [2019-03-29 02:06:01,380 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.01/8.29 [2019-03-29 02:06:01,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.01/8.29 [2019-03-29 02:06:01,380 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.01/8.29 [2019-03-29 02:06:01,381 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.01/8.29 [2019-03-29 02:06:01,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.01/8.29 [2019-03-29 02:06:01,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.01/8.29 [2019-03-29 02:06:01,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.01/8.29 [2019-03-29 02:06:01,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.01/8.29 [2019-03-29 02:06:01,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.01/8.29 [2019-03-29 02:06:01,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.01/8.29 [2019-03-29 02:06:01,421 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.01/8.29 [2019-03-29 02:06:01,424 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.01/8.29 [2019-03-29 02:06:01,426 INFO L271 PluginConnector]: Initializing CDTParser... 15.01/8.29 [2019-03-29 02:06:01,426 INFO L276 PluginConnector]: CDTParser initialized 15.01/8.29 [2019-03-29 02:06:01,427 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.01/8.29 [2019-03-29 02:06:01,497 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/9c41fc6c407f453296b6ec2c761aeb18/FLAG002679ace 15.01/8.29 [2019-03-29 02:06:01,829 INFO L307 CDTParser]: Found 1 translation units. 15.01/8.29 [2019-03-29 02:06:01,830 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.01/8.29 [2019-03-29 02:06:01,836 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/9c41fc6c407f453296b6ec2c761aeb18/FLAG002679ace 15.01/8.29 [2019-03-29 02:06:02,230 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/9c41fc6c407f453296b6ec2c761aeb18 15.01/8.29 [2019-03-29 02:06:02,241 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.01/8.29 [2019-03-29 02:06:02,243 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.01/8.29 [2019-03-29 02:06:02,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.01/8.29 [2019-03-29 02:06:02,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.01/8.29 [2019-03-29 02:06:02,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.01/8.29 [2019-03-29 02:06:02,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc8f0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.01/8.29 [2019-03-29 02:06:02,277 INFO L176 MainTranslator]: Built tables and reachable declarations 15.01/8.29 [2019-03-29 02:06:02,432 INFO L206 PostProcessor]: Analyzing one entry point: main 15.01/8.29 [2019-03-29 02:06:02,436 INFO L191 MainTranslator]: Completed pre-run 15.01/8.29 [2019-03-29 02:06:02,452 INFO L206 PostProcessor]: Analyzing one entry point: main 15.01/8.29 [2019-03-29 02:06:02,466 INFO L195 MainTranslator]: Completed translation 15.01/8.29 [2019-03-29 02:06:02,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02 WrapperNode 15.01/8.29 [2019-03-29 02:06:02,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.01/8.29 [2019-03-29 02:06:02,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.01/8.29 [2019-03-29 02:06:02,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.01/8.29 [2019-03-29 02:06:02,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.01/8.29 [2019-03-29 02:06:02,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.01/8.29 [2019-03-29 02:06:02,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.01/8.29 [2019-03-29 02:06:02,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.01/8.29 [2019-03-29 02:06:02,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.01/8.29 [2019-03-29 02:06:02,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.01/8.29 [2019-03-29 02:06:02,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.01/8.29 [2019-03-29 02:06:02,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.01/8.29 [2019-03-29 02:06:02,579 INFO L276 PluginConnector]: RCFGBuilder initialized 15.01/8.29 [2019-03-29 02:06:02,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.01/8.29 [2019-03-29 02:06:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.01/8.29 [2019-03-29 02:06:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.01/8.29 [2019-03-29 02:06:02,763 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.01/8.29 [2019-03-29 02:06:02,764 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.01/8.29 [2019-03-29 02:06:02,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02 BoogieIcfgContainer 15.01/8.29 [2019-03-29 02:06:02,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.01/8.29 [2019-03-29 02:06:02,766 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.01/8.29 [2019-03-29 02:06:02,766 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.01/8.29 [2019-03-29 02:06:02,768 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.01/8.29 [2019-03-29 02:06:02,769 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02" (1/1) ... 15.01/8.29 [2019-03-29 02:06:02,783 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 15.01/8.29 [2019-03-29 02:06:02,784 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.01/8.29 [2019-03-29 02:06:02,785 INFO L263 BlockEncoder]: Using Maximize final states 15.01/8.29 [2019-03-29 02:06:02,786 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.01/8.29 [2019-03-29 02:06:02,786 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.01/8.29 [2019-03-29 02:06:02,788 INFO L296 BlockEncoder]: Using Remove sink states 15.01/8.29 [2019-03-29 02:06:02,789 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.01/8.29 [2019-03-29 02:06:02,789 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.01/8.29 [2019-03-29 02:06:02,802 INFO L185 BlockEncoder]: Using Use SBE 15.01/8.29 [2019-03-29 02:06:02,809 INFO L200 BlockEncoder]: SBE split 0 edges 15.01/8.29 [2019-03-29 02:06:02,814 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.01/8.29 [2019-03-29 02:06:02,816 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.01/8.29 [2019-03-29 02:06:02,830 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.01/8.29 [2019-03-29 02:06:02,832 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.01/8.29 [2019-03-29 02:06:02,833 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.01/8.29 [2019-03-29 02:06:02,833 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.01/8.29 [2019-03-29 02:06:02,833 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.01/8.29 [2019-03-29 02:06:02,834 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.01/8.29 [2019-03-29 02:06:02,834 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 15.01/8.29 [2019-03-29 02:06:02,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:02 BasicIcfg 15.01/8.29 [2019-03-29 02:06:02,835 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.01/8.29 [2019-03-29 02:06:02,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.01/8.29 [2019-03-29 02:06:02,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.01/8.29 [2019-03-29 02:06:02,839 INFO L276 PluginConnector]: TraceAbstraction initialized 15.01/8.29 [2019-03-29 02:06:02,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:06:02" (1/4) ... 15.01/8.29 [2019-03-29 02:06:02,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25866fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (2/4) ... 15.01/8.29 [2019-03-29 02:06:02,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25866fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02" (3/4) ... 15.01/8.29 [2019-03-29 02:06:02,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25866fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:02" (4/4) ... 15.01/8.29 [2019-03-29 02:06:02,843 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.01/8.29 [2019-03-29 02:06:02,852 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.01/8.29 [2019-03-29 02:06:02,860 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.01/8.29 [2019-03-29 02:06:02,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.01/8.29 [2019-03-29 02:06:02,907 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.01/8.29 [2019-03-29 02:06:02,908 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.01/8.29 [2019-03-29 02:06:02,908 INFO L383 AbstractCegarLoop]: Hoare is true 15.01/8.29 [2019-03-29 02:06:02,908 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.01/8.29 [2019-03-29 02:06:02,908 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.01/8.29 [2019-03-29 02:06:02,909 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.01/8.29 [2019-03-29 02:06:02,909 INFO L387 AbstractCegarLoop]: Difference is false 15.01/8.29 [2019-03-29 02:06:02,909 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.01/8.29 [2019-03-29 02:06:02,909 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.01/8.29 [2019-03-29 02:06:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 15.01/8.29 [2019-03-29 02:06:02,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.01/8.29 [2019-03-29 02:06:02,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 15.01/8.29 [2019-03-29 02:06:02,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.01/8.29 [2019-03-29 02:06:02,981 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 16) the Hoare annotation is: true 15.01/8.29 [2019-03-29 02:06:02,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:02 BasicIcfg 15.01/8.29 [2019-03-29 02:06:02,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.01/8.29 [2019-03-29 02:06:02,990 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.01/8.29 [2019-03-29 02:06:02,990 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.01/8.29 [2019-03-29 02:06:02,993 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.01/8.29 [2019-03-29 02:06:02,994 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.01/8.29 [2019-03-29 02:06:02,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:06:02" (1/5) ... 15.01/8.29 [2019-03-29 02:06:02,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f1206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.01/8.29 [2019-03-29 02:06:02,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (2/5) ... 15.01/8.29 [2019-03-29 02:06:02,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f1206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,996 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.01/8.29 [2019-03-29 02:06:02,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02" (3/5) ... 15.01/8.29 [2019-03-29 02:06:02,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f1206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,997 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.01/8.29 [2019-03-29 02:06:02,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:02" (4/5) ... 15.01/8.29 [2019-03-29 02:06:02,997 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f1206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:02, skipping insertion in model container 15.01/8.29 [2019-03-29 02:06:02,997 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.01/8.29 [2019-03-29 02:06:02,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:02" (5/5) ... 15.01/8.29 [2019-03-29 02:06:02,999 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.01/8.29 [2019-03-29 02:06:03,026 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.01/8.29 [2019-03-29 02:06:03,026 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.01/8.29 [2019-03-29 02:06:03,026 INFO L375 BuchiCegarLoop]: Hoare is true 15.01/8.29 [2019-03-29 02:06:03,027 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.01/8.29 [2019-03-29 02:06:03,027 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.01/8.29 [2019-03-29 02:06:03,027 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.01/8.29 [2019-03-29 02:06:03,027 INFO L379 BuchiCegarLoop]: Difference is false 15.01/8.29 [2019-03-29 02:06:03,028 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.01/8.29 [2019-03-29 02:06:03,028 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.01/8.29 [2019-03-29 02:06:03,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.01/8.29 [2019-03-29 02:06:03,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.01/8.29 [2019-03-29 02:06:03,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.01/8.29 [2019-03-29 02:06:03,049 INFO L119 BuchiIsEmpty]: Starting construction of run 15.01/8.29 [2019-03-29 02:06:03,054 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.01/8.29 [2019-03-29 02:06:03,055 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.01/8.29 [2019-03-29 02:06:03,055 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.01/8.29 [2019-03-29 02:06:03,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.01/8.29 [2019-03-29 02:06:03,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.01/8.29 [2019-03-29 02:06:03,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.01/8.29 [2019-03-29 02:06:03,056 INFO L119 BuchiIsEmpty]: Starting construction of run 15.01/8.29 [2019-03-29 02:06:03,056 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.01/8.29 [2019-03-29 02:06:03,056 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.01/8.29 [2019-03-29 02:06:03,061 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L12-2true 15.01/8.29 [2019-03-29 02:06:03,062 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [20] L12-2-->L12-2: Formula: (and (< (+ v_ULTIMATE.start_main_~z~0_8 v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 3#L12-2true 15.01/8.29 [2019-03-29 02:06:03,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.01/8.29 [2019-03-29 02:06:03,068 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 15.01/8.29 [2019-03-29 02:06:03,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.01/8.29 [2019-03-29 02:06:03,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.01/8.29 [2019-03-29 02:06:03,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.01/8.29 [2019-03-29 02:06:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.01/8.29 [2019-03-29 02:06:03,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.01/8.29 [2019-03-29 02:06:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 15.01/8.29 [2019-03-29 02:06:03,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.01/8.29 [2019-03-29 02:06:03,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.01/8.29 [2019-03-29 02:06:03,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.01/8.29 [2019-03-29 02:06:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.01/8.29 [2019-03-29 02:06:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.01/8.29 [2019-03-29 02:06:03,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 15.01/8.29 [2019-03-29 02:06:03,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.01/8.29 [2019-03-29 02:06:03,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.01/8.29 [2019-03-29 02:06:03,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.01/8.29 [2019-03-29 02:06:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.01/8.29 [2019-03-29 02:06:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.01/8.29 [2019-03-29 02:06:03,235 INFO L216 LassoAnalysis]: Preferences: 15.01/8.29 [2019-03-29 02:06:03,236 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.01/8.29 [2019-03-29 02:06:03,237 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.01/8.29 [2019-03-29 02:06:03,237 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.01/8.29 [2019-03-29 02:06:03,237 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.01/8.29 [2019-03-29 02:06:03,237 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,237 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.01/8.29 [2019-03-29 02:06:03,238 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.01/8.29 [2019-03-29 02:06:03,238 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.01/8.29 [2019-03-29 02:06:03,238 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.01/8.29 [2019-03-29 02:06:03,238 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.01/8.29 [2019-03-29 02:06:03,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:03,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:03,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:03,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:03,389 INFO L300 LassoAnalysis]: Preprocessing complete. 15.01/8.29 [2019-03-29 02:06:03,389 INFO L412 LassoAnalysis]: Checking for nontermination... 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,395 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.01/8.29 [2019-03-29 02:06:03,396 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.01/8.29 [2019-03-29 02:06:03,430 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.01/8.29 [2019-03-29 02:06:03,430 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: [] 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.01/8.29 [2019-03-29 02:06:03,439 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.01/8.29 [2019-03-29 02:06:03,467 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.01/8.29 [2019-03-29 02:06:03,467 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: [] 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,472 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.01/8.29 [2019-03-29 02:06:03,472 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,507 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.01/8.29 [2019-03-29 02:06:03,507 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.01/8.29 [2019-03-29 02:06:03,545 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.01/8.29 [2019-03-29 02:06:03,545 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,573 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.01/8.29 [2019-03-29 02:06:03,574 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.01/8.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.01/8.29 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.01/8.29 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:03,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.01/8.29 [2019-03-29 02:06:03,608 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.01/8.29 [2019-03-29 02:06:05,735 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.01/8.29 [2019-03-29 02:06:05,738 INFO L216 LassoAnalysis]: Preferences: 15.01/8.29 [2019-03-29 02:06:05,739 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.01/8.29 [2019-03-29 02:06:05,739 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.01/8.29 [2019-03-29 02:06:05,739 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.01/8.29 [2019-03-29 02:06:05,739 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.01/8.29 [2019-03-29 02:06:05,739 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.01/8.29 [2019-03-29 02:06:05,739 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.01/8.29 [2019-03-29 02:06:05,739 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.01/8.29 [2019-03-29 02:06:05,740 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.01/8.29 [2019-03-29 02:06:05,740 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.01/8.29 [2019-03-29 02:06:05,740 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.01/8.29 [2019-03-29 02:06:05,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:05,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:05,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:05,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.01/8.29 [2019-03-29 02:06:05,836 INFO L300 LassoAnalysis]: Preprocessing complete. 15.01/8.29 [2019-03-29 02:06:05,842 INFO L497 LassoAnalysis]: Using template 'affine'. 15.01/8.29 [2019-03-29 02:06:05,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.01/8.29 Termination analysis: LINEAR_WITH_GUESSES 15.01/8.29 Number of strict supporting invariants: 0 15.01/8.29 Number of non-strict supporting invariants: 1 15.01/8.29 Consider only non-deceasing supporting invariants: true 15.01/8.29 Simplify termination arguments: true 15.01/8.29 Simplify supporting invariants: trueOverapproximate stem: false 15.01/8.29 [2019-03-29 02:06:05,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.01/8.29 [2019-03-29 02:06:05,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.01/8.29 [2019-03-29 02:06:05,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.01/8.29 [2019-03-29 02:06:05,846 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.01/8.29 [2019-03-29 02:06:05,851 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.01/8.29 [2019-03-29 02:06:05,851 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.01/8.29 [2019-03-29 02:06:05,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.01/8.29 [2019-03-29 02:06:05,860 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.01/8.29 Termination analysis: LINEAR_WITH_GUESSES 15.01/8.29 Number of strict supporting invariants: 0 15.01/8.29 Number of non-strict supporting invariants: 1 15.01/8.29 Consider only non-deceasing supporting invariants: true 15.01/8.29 Simplify termination arguments: true 15.01/8.29 Simplify supporting invariants: trueOverapproximate stem: false 15.01/8.29 [2019-03-29 02:06:05,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.01/8.29 [2019-03-29 02:06:05,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.01/8.29 [2019-03-29 02:06:05,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.01/8.29 [2019-03-29 02:06:05,861 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.01/8.29 [2019-03-29 02:06:05,863 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.01/8.29 [2019-03-29 02:06:05,864 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.01/8.29 [2019-03-29 02:06:05,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.01/8.29 [2019-03-29 02:06:05,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.01/8.29 Termination analysis: LINEAR_WITH_GUESSES 15.01/8.29 Number of strict supporting invariants: 0 15.01/8.29 Number of non-strict supporting invariants: 1 15.01/8.29 Consider only non-deceasing supporting invariants: true 15.01/8.29 Simplify termination arguments: true 15.01/8.29 Simplify supporting invariants: trueOverapproximate stem: false 15.01/8.29 [2019-03-29 02:06:05,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.01/8.29 [2019-03-29 02:06:05,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.01/8.29 [2019-03-29 02:06:05,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.01/8.29 [2019-03-29 02:06:05,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.01/8.29 [2019-03-29 02:06:05,874 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.01/8.29 [2019-03-29 02:06:05,874 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.01/8.29 [2019-03-29 02:06:05,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.01/8.29 [2019-03-29 02:06:05,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.01/8.29 [2019-03-29 02:06:05,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.01/8.29 Termination analysis: LINEAR_WITH_GUESSES 15.01/8.29 Number of strict supporting invariants: 0 15.01/8.29 Number of non-strict supporting invariants: 1 15.01/8.29 Consider only non-deceasing supporting invariants: true 15.01/8.29 Simplify termination arguments: true 15.01/8.29 Simplify supporting invariants: trueOverapproximate stem: false 15.01/8.29 [2019-03-29 02:06:05,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.01/8.29 [2019-03-29 02:06:05,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.01/8.29 [2019-03-29 02:06:05,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.01/8.29 [2019-03-29 02:06:05,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.01/8.29 [2019-03-29 02:06:05,881 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.01/8.29 [2019-03-29 02:06:05,882 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.01/8.29 [2019-03-29 02:06:05,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.01/8.29 [2019-03-29 02:06:05,891 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.01/8.29 [2019-03-29 02:06:05,902 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.01/8.29 [2019-03-29 02:06:05,903 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.01/8.29 [2019-03-29 02:06:05,905 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.01/8.29 [2019-03-29 02:06:05,905 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.01/8.29 [2019-03-29 02:06:05,905 INFO L518 LassoAnalysis]: Proved termination. 15.01/8.29 [2019-03-29 02:06:05,906 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.01/8.29 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 15.01/8.29 Supporting invariants [] 15.01/8.29 [2019-03-29 02:06:05,907 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.01/8.29 [2019-03-29 02:06:05,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.01/8.29 [2019-03-29 02:06:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.01/8.29 [2019-03-29 02:06:05,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 15.01/8.29 [2019-03-29 02:06:05,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.01/8.29 [2019-03-29 02:06:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.01/8.29 [2019-03-29 02:06:05,960 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 15.01/8.29 [2019-03-29 02:06:05,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.01/8.29 [2019-03-29 02:06:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.01/8.29 [2019-03-29 02:06:05,974 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.01/8.29 [2019-03-29 02:06:05,979 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 1 loop predicates 15.01/8.29 [2019-03-29 02:06:05,980 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 15.01/8.29 [2019-03-29 02:06:05,999 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 15.01/8.29 [2019-03-29 02:06:06,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 15.01/8.29 [2019-03-29 02:06:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.01/8.29 [2019-03-29 02:06:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 15.01/8.29 [2019-03-29 02:06:06,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 15.01/8.29 [2019-03-29 02:06:06,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.01/8.29 [2019-03-29 02:06:06,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 15.01/8.29 [2019-03-29 02:06:06,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.01/8.29 [2019-03-29 02:06:06,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 15.01/8.29 [2019-03-29 02:06:06,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.01/8.29 [2019-03-29 02:06:06,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 15.01/8.29 [2019-03-29 02:06:06,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.01/8.29 [2019-03-29 02:06:06,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 15.01/8.29 [2019-03-29 02:06:06,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.01/8.29 [2019-03-29 02:06:06,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.01/8.29 [2019-03-29 02:06:06,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.01/8.29 [2019-03-29 02:06:06,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.01/8.29 [2019-03-29 02:06:06,016 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.01/8.29 [2019-03-29 02:06:06,017 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.01/8.29 [2019-03-29 02:06:06,017 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.01/8.29 [2019-03-29 02:06:06,017 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.01/8.29 [2019-03-29 02:06:06,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.01/8.29 [2019-03-29 02:06:06,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.01/8.29 [2019-03-29 02:06:06,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.01/8.29 [2019-03-29 02:06:06,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:06 BasicIcfg 15.01/8.29 [2019-03-29 02:06:06,023 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.01/8.29 [2019-03-29 02:06:06,024 INFO L168 Benchmark]: Toolchain (without parser) took 3781.93 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 563.9 MB in the beginning and 527.7 MB in the end (delta: 36.2 MB). Peak memory consumption was 65.5 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,026 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.31 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.82 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 554.4 MB in the beginning and 644.2 MB in the end (delta: -89.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,028 INFO L168 Benchmark]: Boogie Preprocessor took 19.32 ms. Allocated memory is still 679.0 MB. Free memory was 644.2 MB in the beginning and 642.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,028 INFO L168 Benchmark]: RCFGBuilder took 186.79 ms. Allocated memory is still 679.0 MB. Free memory was 642.4 MB in the beginning and 629.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,029 INFO L168 Benchmark]: BlockEncodingV2 took 68.99 ms. Allocated memory is still 679.0 MB. Free memory was 629.5 MB in the beginning and 624.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,029 INFO L168 Benchmark]: TraceAbstraction took 153.55 ms. Allocated memory is still 679.0 MB. Free memory was 624.1 MB in the beginning and 614.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,030 INFO L168 Benchmark]: BuchiAutomizer took 3033.85 ms. Allocated memory is still 679.0 MB. Free memory was 614.6 MB in the beginning and 527.7 MB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 50.3 GB. 15.01/8.29 [2019-03-29 02:06:06,034 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.01/8.29 --- Results --- 15.01/8.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.01/8.29 - StatisticsResult: Initial Icfg 15.01/8.29 6 locations, 7 edges 15.01/8.29 - StatisticsResult: Encoded RCFG 15.01/8.29 2 locations, 2 edges 15.01/8.29 * Results from de.uni_freiburg.informatik.ultimate.core: 15.01/8.29 - StatisticsResult: Toolchain Benchmarks 15.01/8.29 Benchmark results are: 15.01/8.29 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.01/8.29 * CACSL2BoogieTranslator took 223.31 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.01/8.29 * Boogie Procedure Inliner took 90.82 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 554.4 MB in the beginning and 644.2 MB in the end (delta: -89.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 15.01/8.29 * Boogie Preprocessor took 19.32 ms. Allocated memory is still 679.0 MB. Free memory was 644.2 MB in the beginning and 642.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.01/8.29 * RCFGBuilder took 186.79 ms. Allocated memory is still 679.0 MB. Free memory was 642.4 MB in the beginning and 629.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.01/8.29 * BlockEncodingV2 took 68.99 ms. Allocated memory is still 679.0 MB. Free memory was 629.5 MB in the beginning and 624.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.01/8.29 * TraceAbstraction took 153.55 ms. Allocated memory is still 679.0 MB. Free memory was 624.1 MB in the beginning and 614.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.01/8.29 * BuchiAutomizer took 3033.85 ms. Allocated memory is still 679.0 MB. Free memory was 614.6 MB in the beginning and 527.7 MB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 50.3 GB. 15.01/8.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.01/8.29 - AllSpecificationsHoldResult: All specifications hold 15.01/8.29 We were not able to verify any specifiation because the program does not contain any specification. 15.01/8.29 - InvariantResult [Line: 12]: Loop Invariant 15.01/8.29 Derived loop invariant: 1 15.01/8.29 - StatisticsResult: Ultimate Automizer benchmark data 15.01/8.29 CFG has 1 procedures, 2 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=2occurred 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 15.01/8.29 - StatisticsResult: Constructed decomposition of program 15.01/8.29 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x + -1 * y + -1 * z and consists of 2 locations. 15.01/8.29 - StatisticsResult: Timing statistics 15.01/8.29 BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.3s 15.01/8.29 - TerminationAnalysisResult: Termination proven 15.01/8.29 Buchi Automizer proved that your program is terminating 15.01/8.29 RESULT: Ultimate proved your program to be correct! 15.01/8.29 !SESSION 2019-03-29 02:05:58.999 ----------------------------------------------- 15.01/8.29 eclipse.buildId=unknown 15.01/8.29 java.version=1.8.0_181 15.01/8.29 java.vendor=Oracle Corporation 15.01/8.29 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.01/8.29 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.01/8.29 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 15.01/8.29 15.01/8.29 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:06:06.270 15.01/8.29 !MESSAGE The workspace will exit with unsaved changes in this session. 15.01/8.29 Received shutdown request... 15.01/8.29 Ultimate: 15.01/8.29 GTK+ Version Check 15.01/8.29 EOF