12.31/5.91 NO 12.31/5.91 12.31/5.91 Ultimate: Cannot open display: 12.31/5.91 This is Ultimate 0.1.24-8dc7c08-m 12.31/5.91 [2019-03-28 12:32:15,530 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.31/5.91 [2019-03-28 12:32:15,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.31/5.91 [2019-03-28 12:32:15,543 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.31/5.91 [2019-03-28 12:32:15,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.31/5.91 [2019-03-28 12:32:15,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.31/5.91 [2019-03-28 12:32:15,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.31/5.91 [2019-03-28 12:32:15,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.31/5.91 [2019-03-28 12:32:15,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.31/5.91 [2019-03-28 12:32:15,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.31/5.91 [2019-03-28 12:32:15,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.31/5.91 [2019-03-28 12:32:15,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.31/5.91 [2019-03-28 12:32:15,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.31/5.91 [2019-03-28 12:32:15,554 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.31/5.91 [2019-03-28 12:32:15,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.31/5.91 [2019-03-28 12:32:15,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.31/5.91 [2019-03-28 12:32:15,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.31/5.91 [2019-03-28 12:32:15,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.31/5.91 [2019-03-28 12:32:15,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.31/5.91 [2019-03-28 12:32:15,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.31/5.91 [2019-03-28 12:32:15,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.31/5.91 [2019-03-28 12:32:15,565 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.31/5.91 [2019-03-28 12:32:15,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.31/5.91 [2019-03-28 12:32:15,567 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.31/5.91 [2019-03-28 12:32:15,568 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.31/5.91 [2019-03-28 12:32:15,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.31/5.91 [2019-03-28 12:32:15,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.31/5.91 [2019-03-28 12:32:15,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.31/5.91 [2019-03-28 12:32:15,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.31/5.91 [2019-03-28 12:32:15,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.31/5.91 [2019-03-28 12:32:15,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.31/5.91 [2019-03-28 12:32:15,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.31/5.91 [2019-03-28 12:32:15,573 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.31/5.91 [2019-03-28 12:32:15,588 INFO L110 SettingsManager]: Loading preferences was successful 12.31/5.91 [2019-03-28 12:32:15,588 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.31/5.91 [2019-03-28 12:32:15,589 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.31/5.91 [2019-03-28 12:32:15,589 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.31/5.91 [2019-03-28 12:32:15,589 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.31/5.91 [2019-03-28 12:32:15,590 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.31/5.91 [2019-03-28 12:32:15,590 INFO L133 SettingsManager]: * Use SBE=true 12.31/5.91 [2019-03-28 12:32:15,590 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.31/5.91 [2019-03-28 12:32:15,590 INFO L133 SettingsManager]: * Use old map elimination=false 12.31/5.91 [2019-03-28 12:32:15,590 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.31/5.91 [2019-03-28 12:32:15,591 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.31/5.91 [2019-03-28 12:32:15,591 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.31/5.91 [2019-03-28 12:32:15,591 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.31/5.91 [2019-03-28 12:32:15,591 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.31/5.91 [2019-03-28 12:32:15,591 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:15,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.31/5.91 [2019-03-28 12:32:15,592 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.31/5.91 [2019-03-28 12:32:15,592 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.31/5.91 [2019-03-28 12:32:15,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.31/5.91 [2019-03-28 12:32:15,592 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.31/5.91 [2019-03-28 12:32:15,592 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.31/5.91 [2019-03-28 12:32:15,593 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.31/5.91 [2019-03-28 12:32:15,593 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.31/5.91 [2019-03-28 12:32:15,593 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.31/5.91 [2019-03-28 12:32:15,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.31/5.91 [2019-03-28 12:32:15,594 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.31/5.91 [2019-03-28 12:32:15,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.31/5.91 [2019-03-28 12:32:15,594 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.31/5.91 [2019-03-28 12:32:15,594 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.31/5.91 [2019-03-28 12:32:15,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.31/5.91 [2019-03-28 12:32:15,632 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.31/5.91 [2019-03-28 12:32:15,636 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.31/5.91 [2019-03-28 12:32:15,638 INFO L271 PluginConnector]: Initializing CDTParser... 12.31/5.91 [2019-03-28 12:32:15,638 INFO L276 PluginConnector]: CDTParser initialized 12.31/5.91 [2019-03-28 12:32:15,639 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.31/5.91 [2019-03-28 12:32:15,697 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ed5179913a8b4b229c41c4994a26df25/FLAG6da37330c 12.31/5.91 [2019-03-28 12:32:16,031 INFO L307 CDTParser]: Found 1 translation units. 12.31/5.91 [2019-03-28 12:32:16,032 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.31/5.91 [2019-03-28 12:32:16,039 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ed5179913a8b4b229c41c4994a26df25/FLAG6da37330c 12.31/5.91 [2019-03-28 12:32:16,433 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ed5179913a8b4b229c41c4994a26df25 12.31/5.91 [2019-03-28 12:32:16,445 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.31/5.91 [2019-03-28 12:32:16,447 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.31/5.91 [2019-03-28 12:32:16,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.31/5.91 [2019-03-28 12:32:16,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.31/5.91 [2019-03-28 12:32:16,452 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.31/5.91 [2019-03-28 12:32:16,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242991db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:16,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.31/5.91 [2019-03-28 12:32:16,480 INFO L176 MainTranslator]: Built tables and reachable declarations 12.31/5.91 [2019-03-28 12:32:16,637 INFO L206 PostProcessor]: Analyzing one entry point: main 12.31/5.91 [2019-03-28 12:32:16,642 INFO L191 MainTranslator]: Completed pre-run 12.31/5.91 [2019-03-28 12:32:16,658 INFO L206 PostProcessor]: Analyzing one entry point: main 12.31/5.91 [2019-03-28 12:32:16,673 INFO L195 MainTranslator]: Completed translation 12.31/5.91 [2019-03-28 12:32:16,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16 WrapperNode 12.31/5.91 [2019-03-28 12:32:16,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.31/5.91 [2019-03-28 12:32:16,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.31/5.91 [2019-03-28 12:32:16,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.31/5.91 [2019-03-28 12:32:16,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.31/5.91 [2019-03-28 12:32:16,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.31/5.91 [2019-03-28 12:32:16,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.31/5.91 [2019-03-28 12:32:16,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.31/5.91 [2019-03-28 12:32:16,774 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.31/5.91 [2019-03-28 12:32:16,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 [2019-03-28 12:32:16,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.31/5.91 [2019-03-28 12:32:16,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.31/5.91 [2019-03-28 12:32:16,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.31/5.91 [2019-03-28 12:32:16,796 INFO L276 PluginConnector]: RCFGBuilder initialized 12.31/5.91 [2019-03-28 12:32:16,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.31/5.91 [2019-03-28 12:32:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.31/5.91 [2019-03-28 12:32:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.31/5.91 [2019-03-28 12:32:17,018 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.31/5.91 [2019-03-28 12:32:17,018 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.31/5.91 [2019-03-28 12:32:17,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:17 BoogieIcfgContainer 12.31/5.91 [2019-03-28 12:32:17,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.31/5.91 [2019-03-28 12:32:17,020 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.31/5.91 [2019-03-28 12:32:17,021 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.31/5.91 [2019-03-28 12:32:17,023 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.31/5.91 [2019-03-28 12:32:17,024 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:17" (1/1) ... 12.31/5.91 [2019-03-28 12:32:17,039 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 15 edges 12.31/5.91 [2019-03-28 12:32:17,041 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.31/5.91 [2019-03-28 12:32:17,042 INFO L263 BlockEncoder]: Using Maximize final states 12.31/5.91 [2019-03-28 12:32:17,043 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.31/5.91 [2019-03-28 12:32:17,043 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.31/5.91 [2019-03-28 12:32:17,045 INFO L296 BlockEncoder]: Using Remove sink states 12.31/5.91 [2019-03-28 12:32:17,046 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.31/5.91 [2019-03-28 12:32:17,046 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.31/5.91 [2019-03-28 12:32:17,063 INFO L185 BlockEncoder]: Using Use SBE 12.31/5.91 [2019-03-28 12:32:17,081 INFO L200 BlockEncoder]: SBE split 4 edges 12.31/5.91 [2019-03-28 12:32:17,086 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.31/5.91 [2019-03-28 12:32:17,088 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.31/5.91 [2019-03-28 12:32:17,101 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.31/5.91 [2019-03-28 12:32:17,103 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.31/5.91 [2019-03-28 12:32:17,105 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.31/5.91 [2019-03-28 12:32:17,105 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.31/5.91 [2019-03-28 12:32:17,105 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.31/5.91 [2019-03-28 12:32:17,106 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.31/5.91 [2019-03-28 12:32:17,106 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 13 edges 12.31/5.91 [2019-03-28 12:32:17,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:17 BasicIcfg 12.31/5.91 [2019-03-28 12:32:17,107 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.31/5.91 [2019-03-28 12:32:17,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.31/5.91 [2019-03-28 12:32:17,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.31/5.91 [2019-03-28 12:32:17,111 INFO L276 PluginConnector]: TraceAbstraction initialized 12.31/5.91 [2019-03-28 12:32:17,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:32:16" (1/4) ... 12.31/5.91 [2019-03-28 12:32:17,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cca83ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (2/4) ... 12.31/5.91 [2019-03-28 12:32:17,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cca83ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:17" (3/4) ... 12.31/5.91 [2019-03-28 12:32:17,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cca83ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:17" (4/4) ... 12.31/5.91 [2019-03-28 12:32:17,115 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.31/5.91 [2019-03-28 12:32:17,125 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.31/5.91 [2019-03-28 12:32:17,133 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.31/5.91 [2019-03-28 12:32:17,151 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.31/5.91 [2019-03-28 12:32:17,180 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.31/5.91 [2019-03-28 12:32:17,181 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.31/5.91 [2019-03-28 12:32:17,181 INFO L383 AbstractCegarLoop]: Hoare is true 12.31/5.91 [2019-03-28 12:32:17,181 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.31/5.91 [2019-03-28 12:32:17,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.31/5.91 [2019-03-28 12:32:17,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.31/5.91 [2019-03-28 12:32:17,182 INFO L387 AbstractCegarLoop]: Difference is false 12.31/5.91 [2019-03-28 12:32:17,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.31/5.91 [2019-03-28 12:32:17,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.31/5.91 [2019-03-28 12:32:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. 12.31/5.91 [2019-03-28 12:32:17,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.31/5.91 [2019-03-28 12:32:17,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. 12.31/5.91 [2019-03-28 12:32:17,254 INFO L451 ceAbstractionStarter]: At program point L18-1(lines 11 23) the Hoare annotation is: true 12.31/5.91 [2019-03-28 12:32:17,255 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 22) no Hoare annotation was computed. 12.31/5.91 [2019-03-28 12:32:17,255 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 22) no Hoare annotation was computed. 12.31/5.91 [2019-03-28 12:32:17,255 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.31/5.91 [2019-03-28 12:32:17,255 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 22) no Hoare annotation was computed. 12.31/5.91 [2019-03-28 12:32:17,255 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. 12.31/5.91 [2019-03-28 12:32:17,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:17 BasicIcfg 12.31/5.91 [2019-03-28 12:32:17,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.31/5.91 [2019-03-28 12:32:17,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.31/5.91 [2019-03-28 12:32:17,264 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.31/5.91 [2019-03-28 12:32:17,268 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.31/5.91 [2019-03-28 12:32:17,269 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.31/5.91 [2019-03-28 12:32:17,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:32:16" (1/5) ... 12.31/5.91 [2019-03-28 12:32:17,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf874d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,270 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.31/5.91 [2019-03-28 12:32:17,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (2/5) ... 12.31/5.91 [2019-03-28 12:32:17,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf874d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,270 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.31/5.91 [2019-03-28 12:32:17,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:17" (3/5) ... 12.31/5.91 [2019-03-28 12:32:17,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf874d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,271 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.31/5.91 [2019-03-28 12:32:17,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:17" (4/5) ... 12.31/5.91 [2019-03-28 12:32:17,272 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf874d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:17, skipping insertion in model container 12.31/5.91 [2019-03-28 12:32:17,272 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.31/5.91 [2019-03-28 12:32:17,272 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:17" (5/5) ... 12.31/5.91 [2019-03-28 12:32:17,273 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.31/5.91 [2019-03-28 12:32:17,301 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.31/5.91 [2019-03-28 12:32:17,301 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.31/5.91 [2019-03-28 12:32:17,302 INFO L375 BuchiCegarLoop]: Hoare is true 12.31/5.91 [2019-03-28 12:32:17,302 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.31/5.91 [2019-03-28 12:32:17,302 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.31/5.91 [2019-03-28 12:32:17,302 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.31/5.91 [2019-03-28 12:32:17,302 INFO L379 BuchiCegarLoop]: Difference is false 12.31/5.91 [2019-03-28 12:32:17,302 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.31/5.91 [2019-03-28 12:32:17,303 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.31/5.91 [2019-03-28 12:32:17,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 12.31/5.91 [2019-03-28 12:32:17,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 12.31/5.91 [2019-03-28 12:32:17,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.31/5.91 [2019-03-28 12:32:17,324 INFO L119 BuchiIsEmpty]: Starting construction of run 12.31/5.91 [2019-03-28 12:32:17,331 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.31/5.91 [2019-03-28 12:32:17,331 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.31/5.91 [2019-03-28 12:32:17,331 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.31/5.91 [2019-03-28 12:32:17,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 12.31/5.91 [2019-03-28 12:32:17,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 12.31/5.91 [2019-03-28 12:32:17,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.31/5.91 [2019-03-28 12:32:17,332 INFO L119 BuchiIsEmpty]: Starting construction of run 12.31/5.91 [2019-03-28 12:32:17,333 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.31/5.91 [2019-03-28 12:32:17,333 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.31/5.91 [2019-03-28 12:32:17,338 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L18-1: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 5#L18-1true 12.31/5.91 [2019-03-28 12:32:17,338 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-1true [44] L18-1-->L12: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 6#L12true [59] L12-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 1)) (> 0 |v_ULTIMATE.start_main_#t~nondet1_3|)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~x~0] 5#L18-1true 12.31/5.91 [2019-03-28 12:32:17,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.31/5.91 [2019-03-28 12:32:17,344 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times 12.31/5.91 [2019-03-28 12:32:17,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.31/5.91 [2019-03-28 12:32:17,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.31/5.91 [2019-03-28 12:32:17,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.31/5.91 [2019-03-28 12:32:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.31/5.91 [2019-03-28 12:32:17,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.31/5.91 [2019-03-28 12:32:17,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2384, now seen corresponding path program 1 times 12.31/5.91 [2019-03-28 12:32:17,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.31/5.91 [2019-03-28 12:32:17,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.31/5.91 [2019-03-28 12:32:17,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.31/5.91 [2019-03-28 12:32:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.31/5.91 [2019-03-28 12:32:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.31/5.91 [2019-03-28 12:32:17,426 INFO L82 PathProgramCache]: Analyzing trace with hash 68693, now seen corresponding path program 1 times 12.31/5.91 [2019-03-28 12:32:17,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.31/5.91 [2019-03-28 12:32:17,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.31/5.91 [2019-03-28 12:32:17,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.31/5.91 [2019-03-28 12:32:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.31/5.91 [2019-03-28 12:32:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.31/5.91 [2019-03-28 12:32:17,473 INFO L216 LassoAnalysis]: Preferences: 12.31/5.91 [2019-03-28 12:32:17,474 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.31/5.91 [2019-03-28 12:32:17,475 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.31/5.91 [2019-03-28 12:32:17,475 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.31/5.91 [2019-03-28 12:32:17,475 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.31/5.91 [2019-03-28 12:32:17,475 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,475 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.31/5.91 [2019-03-28 12:32:17,475 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.31/5.91 [2019-03-28 12:32:17,476 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.31/5.91 [2019-03-28 12:32:17,476 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.31/5.91 [2019-03-28 12:32:17,476 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.31/5.91 [2019-03-28 12:32:17,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,556 INFO L300 LassoAnalysis]: Preprocessing complete. 12.31/5.91 [2019-03-28 12:32:17,556 INFO L412 LassoAnalysis]: Checking for nontermination... 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,563 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,563 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,597 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,598 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,615 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,616 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,644 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,644 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,672 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,672 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=-1} Honda state: {ULTIMATE.start_main_#t~nondet1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 [2019-03-28 12:32:17,681 INFO L216 LassoAnalysis]: Preferences: 12.31/5.91 [2019-03-28 12:32:17,681 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.31/5.91 [2019-03-28 12:32:17,681 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.31/5.91 [2019-03-28 12:32:17,681 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.31/5.91 [2019-03-28 12:32:17,681 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.31/5.91 [2019-03-28 12:32:17,682 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,682 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.31/5.91 [2019-03-28 12:32:17,682 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.31/5.91 [2019-03-28 12:32:17,682 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 12.31/5.91 [2019-03-28 12:32:17,682 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.31/5.91 [2019-03-28 12:32:17,682 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.31/5.91 [2019-03-28 12:32:17,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.31/5.91 [2019-03-28 12:32:17,770 INFO L300 LassoAnalysis]: Preprocessing complete. 12.31/5.91 [2019-03-28 12:32:17,770 INFO L412 LassoAnalysis]: Checking for nontermination... 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,774 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,774 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,779 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,779 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,806 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,806 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,810 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,811 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,838 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,839 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,843 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,843 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,871 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,871 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,875 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,875 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,903 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,903 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,907 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,908 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,937 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,937 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:17,967 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:17,967 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=-1} Honda state: {ULTIMATE.start_main_#t~nondet1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:17,973 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:17,973 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.31/5.91 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.31/5.91 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.31/5.91 [2019-03-28 12:32:18,010 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.31/5.91 [2019-03-28 12:32:18,010 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.31/5.91 [2019-03-28 12:32:18,022 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.31/5.91 [2019-03-28 12:32:18,022 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 12.31/5.91 [2019-03-28 12:32:18,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:18 BasicIcfg 12.31/5.91 [2019-03-28 12:32:18,070 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.31/5.91 [2019-03-28 12:32:18,086 INFO L168 Benchmark]: Toolchain (without parser) took 1640.04 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 565.0 MB in the beginning and 527.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 62.8 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,088 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. 12.31/5.91 [2019-03-28 12:32:18,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.84 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 555.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.48 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 555.4 MB in the beginning and 640.5 MB in the end (delta: -85.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,089 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 675.3 MB. Free memory was 640.5 MB in the beginning and 638.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,090 INFO L168 Benchmark]: RCFGBuilder took 224.66 ms. Allocated memory is still 675.3 MB. Free memory was 638.8 MB in the beginning and 623.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,091 INFO L168 Benchmark]: BlockEncodingV2 took 86.41 ms. Allocated memory is still 675.3 MB. Free memory was 623.4 MB in the beginning and 618.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,091 INFO L168 Benchmark]: TraceAbstraction took 155.87 ms. Allocated memory is still 675.3 MB. Free memory was 618.0 MB in the beginning and 608.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,092 INFO L168 Benchmark]: BuchiAutomizer took 820.68 ms. Allocated memory is still 675.3 MB. Free memory was 608.5 MB in the beginning and 527.8 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 50.3 GB. 12.31/5.91 [2019-03-28 12:32:18,096 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.31/5.91 --- Results --- 12.31/5.91 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.31/5.91 - StatisticsResult: Initial Icfg 12.31/5.91 10 locations, 15 edges 12.31/5.91 - StatisticsResult: Encoded RCFG 12.31/5.91 6 locations, 13 edges 12.31/5.91 * Results from de.uni_freiburg.informatik.ultimate.core: 12.31/5.91 - StatisticsResult: Toolchain Benchmarks 12.31/5.91 Benchmark results are: 12.31/5.91 * 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. 12.31/5.91 * CACSL2BoogieTranslator took 225.84 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 555.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 12.31/5.91 * Boogie Procedure Inliner took 99.48 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 555.4 MB in the beginning and 640.5 MB in the end (delta: -85.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 12.31/5.91 * Boogie Preprocessor took 21.07 ms. Allocated memory is still 675.3 MB. Free memory was 640.5 MB in the beginning and 638.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 12.31/5.91 * RCFGBuilder took 224.66 ms. Allocated memory is still 675.3 MB. Free memory was 638.8 MB in the beginning and 623.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 50.3 GB. 12.31/5.91 * BlockEncodingV2 took 86.41 ms. Allocated memory is still 675.3 MB. Free memory was 623.4 MB in the beginning and 618.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.31/5.91 * TraceAbstraction took 155.87 ms. Allocated memory is still 675.3 MB. Free memory was 618.0 MB in the beginning and 608.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 12.31/5.91 * BuchiAutomizer took 820.68 ms. Allocated memory is still 675.3 MB. Free memory was 608.5 MB in the beginning and 527.8 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 50.3 GB. 12.31/5.91 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.31/5.91 - AllSpecificationsHoldResult: All specifications hold 12.31/5.91 We were not able to verify any specifiation because the program does not contain any specification. 12.31/5.91 - InvariantResult [Line: 11]: Loop Invariant 12.31/5.91 Derived loop invariant: 1 12.31/5.91 - StatisticsResult: Ultimate Automizer benchmark data 12.31/5.91 CFG has 1 procedures, 6 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=6occurred 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 12.31/5.91 - StatisticsResult: Constructed decomposition of program 12.31/5.91 Trivial decomposition into one nonterminating module. 12.31/5.91 - StatisticsResult: Timing statistics 12.31/5.91 BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 12.31/5.91 - TerminationAnalysisResult: Nontermination possible 12.31/5.91 Buchi Automizer proved that your program is nonterminating for some inputs 12.31/5.91 - GeometricNonTerminationArgumentResult [Line: 11]: Nontermination argument in form of an infinite program execution. 12.31/5.91 Nontermination argument in form of an infinite execution 12.31/5.91 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=-1, |ULTIMATE.start_main_#t~nondet4|=0, |ULTIMATE.start_main_#t~nondet2|=0, |ULTIMATE.start_main_#res|=0, |ULTIMATE.start_main_#t~nondet3|=0, ULTIMATE.start_main_~x~0=0} 12.31/5.91 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3209e8f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a1ae23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d7bb868=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de416a9=0, x=0} 12.31/5.91 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3209e8f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a1ae23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d7bb868=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de416a9=0, x=1} 12.31/5.91 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3209e8f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a1ae23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d7bb868=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de416a9=0, x=2} 12.31/5.91 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3209e8f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a1ae23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d7bb868=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de416a9=0, x=3} 12.31/5.91 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3209e8f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a1ae23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d7bb868=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de416a9=0, x=4} 12.31/5.91 - StatisticsResult: NonterminationArgumentStatistics 12.31/5.91 Unbounded Execution 1GEVs Lambdas: [0, 1, 0] Mus: [0, 0] 12.31/5.91 - NonterminatingLassoResult [Line: 11]: Nonterminating execution 12.31/5.91 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.31/5.91 Stem: 12.31/5.91 [L10] int x = __VERIFIER_nondet_int(); 12.31/5.91 Loop: 12.31/5.91 [L11] COND TRUE x >= 0 12.31/5.91 [L12] COND TRUE __VERIFIER_nondet_int() 12.31/5.91 [L13] x += 1 12.31/5.91 End of lasso representation. 12.31/5.91 RESULT: Ultimate proved your program to be incorrect! 12.31/5.91 !SESSION 2019-03-28 12:32:13.242 ----------------------------------------------- 12.31/5.91 eclipse.buildId=unknown 12.31/5.91 java.version=1.8.0_181 12.31/5.91 java.vendor=Oracle Corporation 12.31/5.91 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.31/5.91 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.31/5.91 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 12.31/5.91 12.31/5.91 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:32:18.332 12.31/5.91 !MESSAGE The workspace will exit with unsaved changes in this session. 12.31/5.91 Received shutdown request... 12.31/5.91 Ultimate: 12.31/5.91 GTK+ Version Check 12.31/5.91 EOF