15.68/7.76 YES 15.68/7.76 15.68/7.76 Ultimate: Cannot open display: 15.68/7.76 This is Ultimate 0.1.24-8dc7c08-m 15.68/7.76 [2019-03-28 22:43:14,771 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.68/7.76 [2019-03-28 22:43:14,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.68/7.76 [2019-03-28 22:43:14,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.68/7.76 [2019-03-28 22:43:14,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.68/7.76 [2019-03-28 22:43:14,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.68/7.76 [2019-03-28 22:43:14,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.68/7.76 [2019-03-28 22:43:14,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.68/7.76 [2019-03-28 22:43:14,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.68/7.76 [2019-03-28 22:43:14,792 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,792 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.68/7.76 [2019-03-28 22:43:14,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.68/7.76 [2019-03-28 22:43:14,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.68/7.76 [2019-03-28 22:43:14,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.68/7.76 [2019-03-28 22:43:14,796 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.68/7.76 [2019-03-28 22:43:14,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.68/7.76 [2019-03-28 22:43:14,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.68/7.76 [2019-03-28 22:43:14,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.68/7.76 [2019-03-28 22:43:14,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.68/7.76 [2019-03-28 22:43:14,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.68/7.76 [2019-03-28 22:43:14,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.68/7.76 [2019-03-28 22:43:14,806 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,807 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.68/7.76 [2019-03-28 22:43:14,807 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.68/7.76 [2019-03-28 22:43:14,808 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.68/7.76 [2019-03-28 22:43:14,809 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.68/7.76 [2019-03-28 22:43:14,810 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.68/7.76 [2019-03-28 22:43:14,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.68/7.76 [2019-03-28 22:43:14,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.68/7.76 [2019-03-28 22:43:14,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.68/7.76 [2019-03-28 22:43:14,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.68/7.76 [2019-03-28 22:43:14,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.68/7.76 [2019-03-28 22:43:14,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.68/7.76 [2019-03-28 22:43:14,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.68/7.76 [2019-03-28 22:43:14,815 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.68/7.76 [2019-03-28 22:43:14,829 INFO L110 SettingsManager]: Loading preferences was successful 15.68/7.76 [2019-03-28 22:43:14,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.68/7.76 [2019-03-28 22:43:14,831 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.68/7.76 [2019-03-28 22:43:14,831 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.68/7.76 [2019-03-28 22:43:14,831 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.68/7.76 [2019-03-28 22:43:14,831 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.68/7.76 [2019-03-28 22:43:14,832 INFO L133 SettingsManager]: * Use SBE=true 15.68/7.76 [2019-03-28 22:43:14,832 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.68/7.76 [2019-03-28 22:43:14,832 INFO L133 SettingsManager]: * Use old map elimination=false 15.68/7.76 [2019-03-28 22:43:14,832 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.68/7.76 [2019-03-28 22:43:14,832 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.68/7.76 [2019-03-28 22:43:14,832 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.68/7.76 [2019-03-28 22:43:14,833 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.68/7.76 [2019-03-28 22:43:14,833 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.68/7.76 [2019-03-28 22:43:14,833 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:14,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.68/7.76 [2019-03-28 22:43:14,833 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.68/7.76 [2019-03-28 22:43:14,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.68/7.76 [2019-03-28 22:43:14,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.68/7.76 [2019-03-28 22:43:14,834 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.68/7.76 [2019-03-28 22:43:14,834 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.68/7.76 [2019-03-28 22:43:14,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.68/7.76 [2019-03-28 22:43:14,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.68/7.76 [2019-03-28 22:43:14,834 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.68/7.76 [2019-03-28 22:43:14,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.68/7.76 [2019-03-28 22:43:14,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.68/7.76 [2019-03-28 22:43:14,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.68/7.76 [2019-03-28 22:43:14,835 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.68/7.76 [2019-03-28 22:43:14,835 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.68/7.76 [2019-03-28 22:43:14,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.68/7.76 [2019-03-28 22:43:14,873 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.68/7.76 [2019-03-28 22:43:14,877 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.68/7.76 [2019-03-28 22:43:14,878 INFO L271 PluginConnector]: Initializing CDTParser... 15.68/7.76 [2019-03-28 22:43:14,879 INFO L276 PluginConnector]: CDTParser initialized 15.68/7.76 [2019-03-28 22:43:14,879 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.68/7.76 [2019-03-28 22:43:14,942 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/609cb4051d5342b2bbb8a5854c5ef309/FLAG4e2115408 15.68/7.76 [2019-03-28 22:43:15,272 INFO L307 CDTParser]: Found 1 translation units. 15.68/7.76 [2019-03-28 22:43:15,273 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.68/7.76 [2019-03-28 22:43:15,280 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/609cb4051d5342b2bbb8a5854c5ef309/FLAG4e2115408 15.68/7.76 [2019-03-28 22:43:15,681 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/609cb4051d5342b2bbb8a5854c5ef309 15.68/7.76 [2019-03-28 22:43:15,692 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.68/7.76 [2019-03-28 22:43:15,694 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.68/7.76 [2019-03-28 22:43:15,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.68/7.76 [2019-03-28 22:43:15,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.68/7.76 [2019-03-28 22:43:15,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.68/7.76 [2019-03-28 22:43:15,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:15,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5b8b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:15,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:15,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.68/7.76 [2019-03-28 22:43:15,728 INFO L176 MainTranslator]: Built tables and reachable declarations 15.68/7.76 [2019-03-28 22:43:15,887 INFO L206 PostProcessor]: Analyzing one entry point: main 15.68/7.76 [2019-03-28 22:43:15,892 INFO L191 MainTranslator]: Completed pre-run 15.68/7.76 [2019-03-28 22:43:15,909 INFO L206 PostProcessor]: Analyzing one entry point: main 15.68/7.76 [2019-03-28 22:43:15,925 INFO L195 MainTranslator]: Completed translation 15.68/7.76 [2019-03-28 22:43:15,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15 WrapperNode 15.68/7.76 [2019-03-28 22:43:15,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.68/7.76 [2019-03-28 22:43:15,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.68/7.76 [2019-03-28 22:43:15,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.68/7.76 [2019-03-28 22:43:15,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.68/7.76 [2019-03-28 22:43:16,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.68/7.76 [2019-03-28 22:43:16,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.68/7.76 [2019-03-28 22:43:16,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.68/7.76 [2019-03-28 22:43:16,030 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.68/7.76 [2019-03-28 22:43:16,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.68/7.76 [2019-03-28 22:43:16,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.68/7.76 [2019-03-28 22:43:16,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.68/7.76 [2019-03-28 22:43:16,051 INFO L276 PluginConnector]: RCFGBuilder initialized 15.68/7.76 [2019-03-28 22:43:16,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (1/1) ... 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.68/7.76 [2019-03-28 22:43:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.68/7.76 [2019-03-28 22:43:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.68/7.76 [2019-03-28 22:43:16,266 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.68/7.76 [2019-03-28 22:43:16,267 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.68/7.76 [2019-03-28 22:43:16,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:43:16 BoogieIcfgContainer 15.68/7.76 [2019-03-28 22:43:16,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.68/7.76 [2019-03-28 22:43:16,269 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.68/7.76 [2019-03-28 22:43:16,269 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.68/7.76 [2019-03-28 22:43:16,271 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.68/7.76 [2019-03-28 22:43:16,272 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:43:16" (1/1) ... 15.68/7.76 [2019-03-28 22:43:16,290 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 15.68/7.76 [2019-03-28 22:43:16,291 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.68/7.76 [2019-03-28 22:43:16,292 INFO L263 BlockEncoder]: Using Maximize final states 15.68/7.76 [2019-03-28 22:43:16,293 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.68/7.76 [2019-03-28 22:43:16,293 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.68/7.76 [2019-03-28 22:43:16,295 INFO L296 BlockEncoder]: Using Remove sink states 15.68/7.76 [2019-03-28 22:43:16,296 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.68/7.76 [2019-03-28 22:43:16,296 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.68/7.76 [2019-03-28 22:43:16,313 INFO L185 BlockEncoder]: Using Use SBE 15.68/7.76 [2019-03-28 22:43:16,330 INFO L200 BlockEncoder]: SBE split 2 edges 15.68/7.76 [2019-03-28 22:43:16,335 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.68/7.76 [2019-03-28 22:43:16,337 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.68/7.76 [2019-03-28 22:43:16,352 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.68/7.76 [2019-03-28 22:43:16,354 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 15.68/7.76 [2019-03-28 22:43:16,355 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.68/7.76 [2019-03-28 22:43:16,356 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.68/7.76 [2019-03-28 22:43:16,363 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 15.68/7.76 [2019-03-28 22:43:16,363 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.68/7.76 [2019-03-28 22:43:16,363 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.68/7.76 [2019-03-28 22:43:16,364 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.68/7.76 [2019-03-28 22:43:16,364 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.68/7.76 [2019-03-28 22:43:16,364 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.68/7.76 [2019-03-28 22:43:16,365 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 15.68/7.76 [2019-03-28 22:43:16,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:43:16 BasicIcfg 15.68/7.76 [2019-03-28 22:43:16,365 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.68/7.76 [2019-03-28 22:43:16,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.68/7.76 [2019-03-28 22:43:16,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.68/7.76 [2019-03-28 22:43:16,370 INFO L276 PluginConnector]: TraceAbstraction initialized 15.68/7.76 [2019-03-28 22:43:16,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:43:15" (1/4) ... 15.68/7.76 [2019-03-28 22:43:16,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95cbf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (2/4) ... 15.68/7.76 [2019-03-28 22:43:16,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95cbf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:43:16" (3/4) ... 15.68/7.76 [2019-03-28 22:43:16,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95cbf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:43:16" (4/4) ... 15.68/7.76 [2019-03-28 22:43:16,374 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.68/7.76 [2019-03-28 22:43:16,384 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.68/7.76 [2019-03-28 22:43:16,392 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.68/7.76 [2019-03-28 22:43:16,410 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.68/7.76 [2019-03-28 22:43:16,438 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.68/7.76 [2019-03-28 22:43:16,439 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.68/7.76 [2019-03-28 22:43:16,440 INFO L383 AbstractCegarLoop]: Hoare is true 15.68/7.76 [2019-03-28 22:43:16,440 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.68/7.76 [2019-03-28 22:43:16,440 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.68/7.76 [2019-03-28 22:43:16,440 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.68/7.76 [2019-03-28 22:43:16,440 INFO L387 AbstractCegarLoop]: Difference is false 15.68/7.76 [2019-03-28 22:43:16,440 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.68/7.76 [2019-03-28 22:43:16,441 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.68/7.76 [2019-03-28 22:43:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.68/7.76 [2019-03-28 22:43:16,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.68/7.76 [2019-03-28 22:43:16,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.68/7.76 [2019-03-28 22:43:16,514 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 18 24) the Hoare annotation is: true 15.68/7.76 [2019-03-28 22:43:16,514 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.68/7.76 [2019-03-28 22:43:16,514 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. 15.68/7.76 [2019-03-28 22:43:16,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:43:16 BasicIcfg 15.68/7.76 [2019-03-28 22:43:16,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.68/7.76 [2019-03-28 22:43:16,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.68/7.76 [2019-03-28 22:43:16,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.68/7.76 [2019-03-28 22:43:16,527 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.68/7.76 [2019-03-28 22:43:16,528 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.68/7.76 [2019-03-28 22:43:16,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:43:15" (1/5) ... 15.68/7.76 [2019-03-28 22:43:16,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d23b67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,529 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.68/7.76 [2019-03-28 22:43:16,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:43:15" (2/5) ... 15.68/7.76 [2019-03-28 22:43:16,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d23b67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.68/7.76 [2019-03-28 22:43:16,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:43:16" (3/5) ... 15.68/7.76 [2019-03-28 22:43:16,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d23b67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.68/7.76 [2019-03-28 22:43:16,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:43:16" (4/5) ... 15.68/7.76 [2019-03-28 22:43:16,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d23b67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:43:16, skipping insertion in model container 15.68/7.76 [2019-03-28 22:43:16,531 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.68/7.76 [2019-03-28 22:43:16,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:43:16" (5/5) ... 15.68/7.76 [2019-03-28 22:43:16,533 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.68/7.76 [2019-03-28 22:43:16,560 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.68/7.76 [2019-03-28 22:43:16,561 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.68/7.76 [2019-03-28 22:43:16,561 INFO L375 BuchiCegarLoop]: Hoare is true 15.68/7.76 [2019-03-28 22:43:16,561 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.68/7.76 [2019-03-28 22:43:16,561 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.68/7.76 [2019-03-28 22:43:16,561 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.68/7.76 [2019-03-28 22:43:16,562 INFO L379 BuchiCegarLoop]: Difference is false 15.68/7.76 [2019-03-28 22:43:16,562 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.68/7.76 [2019-03-28 22:43:16,562 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.68/7.76 [2019-03-28 22:43:16,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.68/7.76 [2019-03-28 22:43:16,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.68/7.76 [2019-03-28 22:43:16,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.68/7.76 [2019-03-28 22:43:16,584 INFO L119 BuchiIsEmpty]: Starting construction of run 15.68/7.76 [2019-03-28 22:43:16,591 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.68/7.76 [2019-03-28 22:43:16,591 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.68/7.76 [2019-03-28 22:43:16,591 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.68/7.76 [2019-03-28 22:43:16,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.68/7.76 [2019-03-28 22:43:16,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.68/7.76 [2019-03-28 22:43:16,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.68/7.76 [2019-03-28 22:43:16,592 INFO L119 BuchiIsEmpty]: Starting construction of run 15.68/7.76 [2019-03-28 22:43:16,592 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.68/7.76 [2019-03-28 22:43:16,593 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.68/7.76 [2019-03-28 22:43:16,598 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [50] ULTIMATE.startENTRY-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~y~0_13) (<= 0 v_ULTIMATE.start_main_~x~0_13)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L19-2true 15.68/7.76 [2019-03-28 22:43:16,598 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [46] L19-2-->L19: Formula: (< (+ v_ULTIMATE.start_main_~x~0_12 2) v_ULTIMATE.start_main_~y~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 5#L19true [38] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 (+ v_ULTIMATE.start_main_~x~0_2 1)) (< v_ULTIMATE.start_main_~x~0_2 v_ULTIMATE.start_main_~y~0_1)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_2} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L19-2true 15.68/7.76 [2019-03-28 22:43:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:16,604 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:16,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:16,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:16,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:16,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:16,680 INFO L82 PathProgramCache]: Analyzing trace with hash 2425, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:16,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:16,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:16,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:16,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:16,695 INFO L82 PathProgramCache]: Analyzing trace with hash 79305, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:16,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:16,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:16,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:16,749 INFO L216 LassoAnalysis]: Preferences: 15.68/7.76 [2019-03-28 22:43:16,750 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.68/7.76 [2019-03-28 22:43:16,750 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.68/7.76 [2019-03-28 22:43:16,751 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.68/7.76 [2019-03-28 22:43:16,751 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.68/7.76 [2019-03-28 22:43:16,751 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:16,751 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.68/7.76 [2019-03-28 22:43:16,751 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.68/7.76 [2019-03-28 22:43:16,752 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.68/7.76 [2019-03-28 22:43:16,752 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.68/7.76 [2019-03-28 22:43:16,752 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.68/7.76 [2019-03-28 22:43:16,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:16,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:16,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:16,856 INFO L300 LassoAnalysis]: Preprocessing complete. 15.68/7.76 [2019-03-28 22:43:16,857 INFO L412 LassoAnalysis]: Checking for nontermination... 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:16,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:16,865 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:16,900 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.68/7.76 [2019-03-28 22:43:16,900 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: [] 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:16,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:16,907 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:16,935 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.68/7.76 [2019-03-28 22:43:16,935 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: [] 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:16,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:16,940 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:16,972 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:16,972 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:17,146 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.68/7.76 [2019-03-28 22:43:17,149 INFO L216 LassoAnalysis]: Preferences: 15.68/7.76 [2019-03-28 22:43:17,149 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.68/7.76 [2019-03-28 22:43:17,149 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.68/7.76 [2019-03-28 22:43:17,149 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.68/7.76 [2019-03-28 22:43:17,149 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.68/7.76 [2019-03-28 22:43:17,149 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,150 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.68/7.76 [2019-03-28 22:43:17,150 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.68/7.76 [2019-03-28 22:43:17,150 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.68/7.76 [2019-03-28 22:43:17,150 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.68/7.76 [2019-03-28 22:43:17,150 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.68/7.76 [2019-03-28 22:43:17,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,219 INFO L300 LassoAnalysis]: Preprocessing complete. 15.68/7.76 [2019-03-28 22:43:17,225 INFO L497 LassoAnalysis]: Using template 'affine'. 15.68/7.76 [2019-03-28 22:43:17,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.68/7.76 Termination analysis: LINEAR_WITH_GUESSES 15.68/7.76 Number of strict supporting invariants: 0 15.68/7.76 Number of non-strict supporting invariants: 1 15.68/7.76 Consider only non-deceasing supporting invariants: true 15.68/7.76 Simplify termination arguments: true 15.68/7.76 Simplify supporting invariants: trueOverapproximate stem: false 15.68/7.76 [2019-03-28 22:43:17,229 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.68/7.76 [2019-03-28 22:43:17,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.68/7.76 [2019-03-28 22:43:17,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.68/7.76 [2019-03-28 22:43:17,229 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.68/7.76 [2019-03-28 22:43:17,234 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.68/7.76 [2019-03-28 22:43:17,234 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.68/7.76 [2019-03-28 22:43:17,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.68/7.76 [2019-03-28 22:43:17,242 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.68/7.76 Termination analysis: LINEAR_WITH_GUESSES 15.68/7.76 Number of strict supporting invariants: 0 15.68/7.76 Number of non-strict supporting invariants: 1 15.68/7.76 Consider only non-deceasing supporting invariants: true 15.68/7.76 Simplify termination arguments: true 15.68/7.76 Simplify supporting invariants: trueOverapproximate stem: false 15.68/7.76 [2019-03-28 22:43:17,242 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.68/7.76 [2019-03-28 22:43:17,243 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.68/7.76 [2019-03-28 22:43:17,243 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.68/7.76 [2019-03-28 22:43:17,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.68/7.76 [2019-03-28 22:43:17,244 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.68/7.76 [2019-03-28 22:43:17,245 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.68/7.76 [2019-03-28 22:43:17,245 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.68/7.76 [2019-03-28 22:43:17,251 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.68/7.76 [2019-03-28 22:43:17,260 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.68/7.76 [2019-03-28 22:43:17,260 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.68/7.76 [2019-03-28 22:43:17,262 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.68/7.76 [2019-03-28 22:43:17,263 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.68/7.76 [2019-03-28 22:43:17,263 INFO L518 LassoAnalysis]: Proved termination. 15.68/7.76 [2019-03-28 22:43:17,263 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.68/7.76 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 15.68/7.76 Supporting invariants [] 15.68/7.76 [2019-03-28 22:43:17,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.68/7.76 [2019-03-28 22:43:17,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:17,309 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 15.68/7.76 [2019-03-28 22:43:17,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.68/7.76 [2019-03-28 22:43:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:17,325 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.68/7.76 [2019-03-28 22:43:17,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.68/7.76 [2019-03-28 22:43:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.68/7.76 [2019-03-28 22:43:17,341 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.68/7.76 [2019-03-28 22:43:17,346 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 15.68/7.76 [2019-03-28 22:43:17,348 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.68/7.76 [2019-03-28 22:43:17,387 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 15 transitions. Complement of second has 4 states. 15.68/7.76 [2019-03-28 22:43:17,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.68/7.76 [2019-03-28 22:43:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.68/7.76 [2019-03-28 22:43:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.68/7.76 [2019-03-28 22:43:17,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 15.68/7.76 [2019-03-28 22:43:17,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:17,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.68/7.76 [2019-03-28 22:43:17,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:17,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 15.68/7.76 [2019-03-28 22:43:17,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:17,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.68/7.76 [2019-03-28 22:43:17,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.68/7.76 [2019-03-28 22:43:17,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.68/7.76 [2019-03-28 22:43:17,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.68/7.76 [2019-03-28 22:43:17,411 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.68/7.76 [2019-03-28 22:43:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.68/7.76 [2019-03-28 22:43:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,442 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,442 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,442 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.68/7.76 [2019-03-28 22:43:17,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 15 transitions. 15.68/7.76 [2019-03-28 22:43:17,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.68/7.76 [2019-03-28 22:43:17,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.68/7.76 [2019-03-28 22:43:17,443 INFO L119 BuchiIsEmpty]: Starting construction of run 15.68/7.76 [2019-03-28 22:43:17,444 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.68/7.76 [2019-03-28 22:43:17,444 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.68/7.76 [2019-03-28 22:43:17,444 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY [50] ULTIMATE.startENTRY-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~y~0_13) (<= 0 v_ULTIMATE.start_main_~x~0_13)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 42#L19-2 [47] L19-2-->L19: Formula: (< (+ v_ULTIMATE.start_main_~y~0_12 2) v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 47#L19 [43] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 43#L19-2 15.68/7.76 [2019-03-28 22:43:17,445 INFO L796 eck$LassoCheckResult]: Loop: 43#L19-2 [46] L19-2-->L19: Formula: (< (+ v_ULTIMATE.start_main_~x~0_12 2) v_ULTIMATE.start_main_~y~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 44#L19 [38] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 (+ v_ULTIMATE.start_main_~x~0_2 1)) (< v_ULTIMATE.start_main_~x~0_2 v_ULTIMATE.start_main_~y~0_1)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_2} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 43#L19-2 15.68/7.76 [2019-03-28 22:43:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:17,445 INFO L82 PathProgramCache]: Analyzing trace with hash 79341, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:17,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:17,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:17,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2425, now seen corresponding path program 2 times 15.68/7.76 [2019-03-28 22:43:17,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:17,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:17,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash 76248165, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:17,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:17,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:17,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,464 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.68/7.76 [2019-03-28 22:43:17,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.68/7.76 [2019-03-28 22:43:17,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 15.68/7.76 [2019-03-28 22:43:17,535 INFO L216 LassoAnalysis]: Preferences: 15.68/7.76 [2019-03-28 22:43:17,535 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.68/7.76 [2019-03-28 22:43:17,535 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.68/7.76 [2019-03-28 22:43:17,535 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.68/7.76 [2019-03-28 22:43:17,535 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.68/7.76 [2019-03-28 22:43:17,535 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,536 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.68/7.76 [2019-03-28 22:43:17,536 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.68/7.76 [2019-03-28 22:43:17,536 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.68/7.76 [2019-03-28 22:43:17,536 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.68/7.76 [2019-03-28 22:43:17,536 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.68/7.76 [2019-03-28 22:43:17,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,588 INFO L300 LassoAnalysis]: Preprocessing complete. 15.68/7.76 [2019-03-28 22:43:17,589 INFO L412 LassoAnalysis]: Checking for nontermination... 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,594 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:17,594 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:17,622 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.68/7.76 [2019-03-28 22:43:17,622 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,628 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:17,628 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:17,656 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.68/7.76 [2019-03-28 22:43:17,656 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:17,662 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,692 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:17,692 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:17,906 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.68/7.76 [2019-03-28 22:43:17,908 INFO L216 LassoAnalysis]: Preferences: 15.68/7.76 [2019-03-28 22:43:17,909 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.68/7.76 [2019-03-28 22:43:17,909 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.68/7.76 [2019-03-28 22:43:17,909 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.68/7.76 [2019-03-28 22:43:17,909 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.68/7.76 [2019-03-28 22:43:17,909 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:17,909 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.68/7.76 [2019-03-28 22:43:17,910 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.68/7.76 [2019-03-28 22:43:17,910 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.68/7.76 [2019-03-28 22:43:17,910 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.68/7.76 [2019-03-28 22:43:17,910 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.68/7.76 [2019-03-28 22:43:17,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:17,959 INFO L300 LassoAnalysis]: Preprocessing complete. 15.68/7.76 [2019-03-28 22:43:17,960 INFO L497 LassoAnalysis]: Using template 'affine'. 15.68/7.76 [2019-03-28 22:43:17,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.68/7.76 Termination analysis: LINEAR_WITH_GUESSES 15.68/7.76 Number of strict supporting invariants: 0 15.68/7.76 Number of non-strict supporting invariants: 1 15.68/7.76 Consider only non-deceasing supporting invariants: true 15.68/7.76 Simplify termination arguments: true 15.68/7.76 Simplify supporting invariants: trueOverapproximate stem: false 15.68/7.76 [2019-03-28 22:43:17,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.68/7.76 [2019-03-28 22:43:17,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.68/7.76 [2019-03-28 22:43:17,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.68/7.76 [2019-03-28 22:43:17,962 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.68/7.76 [2019-03-28 22:43:17,964 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.68/7.76 [2019-03-28 22:43:17,965 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.68/7.76 [2019-03-28 22:43:17,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.68/7.76 [2019-03-28 22:43:17,969 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.68/7.76 Termination analysis: LINEAR_WITH_GUESSES 15.68/7.76 Number of strict supporting invariants: 0 15.68/7.76 Number of non-strict supporting invariants: 1 15.68/7.76 Consider only non-deceasing supporting invariants: true 15.68/7.76 Simplify termination arguments: true 15.68/7.76 Simplify supporting invariants: trueOverapproximate stem: false 15.68/7.76 [2019-03-28 22:43:17,970 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.68/7.76 [2019-03-28 22:43:17,970 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.68/7.76 [2019-03-28 22:43:17,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.68/7.76 [2019-03-28 22:43:17,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.68/7.76 [2019-03-28 22:43:17,970 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.68/7.76 [2019-03-28 22:43:17,971 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.68/7.76 [2019-03-28 22:43:17,971 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.68/7.76 [2019-03-28 22:43:17,976 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.68/7.76 [2019-03-28 22:43:17,980 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.68/7.76 [2019-03-28 22:43:17,980 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.68/7.76 [2019-03-28 22:43:17,981 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.68/7.76 [2019-03-28 22:43:17,981 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.68/7.76 [2019-03-28 22:43:17,981 INFO L518 LassoAnalysis]: Proved termination. 15.68/7.76 [2019-03-28 22:43:17,982 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.68/7.76 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 15.68/7.76 Supporting invariants [] 15.68/7.76 [2019-03-28 22:43:17,982 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.68/7.76 [2019-03-28 22:43:17,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:18,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.68/7.76 [2019-03-28 22:43:18,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.68/7.76 [2019-03-28 22:43:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:18,009 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.68/7.76 [2019-03-28 22:43:18,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.68/7.76 [2019-03-28 22:43:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.68/7.76 [2019-03-28 22:43:18,010 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.68/7.76 [2019-03-28 22:43:18,010 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 15.68/7.76 [2019-03-28 22:43:18,011 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 15 transitions. cyclomatic complexity: 10 Second operand 3 states. 15.68/7.76 [2019-03-28 22:43:18,038 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 15 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 9 states and 21 transitions. Complement of second has 4 states. 15.68/7.76 [2019-03-28 22:43:18,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.68/7.76 [2019-03-28 22:43:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.68/7.76 [2019-03-28 22:43:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.68/7.76 [2019-03-28 22:43:18,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.68/7.76 [2019-03-28 22:43:18,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:18,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. 15.68/7.76 [2019-03-28 22:43:18,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:18,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. 15.68/7.76 [2019-03-28 22:43:18,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:18,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 21 transitions. 15.68/7.76 [2019-03-28 22:43:18,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.68/7.76 [2019-03-28 22:43:18,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 21 transitions. 15.68/7.76 [2019-03-28 22:43:18,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.68/7.76 [2019-03-28 22:43:18,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.68/7.76 [2019-03-28 22:43:18,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 21 transitions. 15.68/7.76 [2019-03-28 22:43:18,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.68/7.76 [2019-03-28 22:43:18,046 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 21 transitions. 15.68/7.76 [2019-03-28 22:43:18,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 21 transitions. 15.68/7.76 [2019-03-28 22:43:18,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 15.68/7.76 [2019-03-28 22:43:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.68/7.76 [2019-03-28 22:43:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,047 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 15.68/7.76 [2019-03-28 22:43:18,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 15.68/7.76 [2019-03-28 22:43:18,051 INFO L87 Difference]: Start difference. First operand 5 states and 11 transitions. Second operand 4 states. 15.68/7.76 [2019-03-28 22:43:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.68/7.76 [2019-03-28 22:43:18,085 INFO L93 Difference]: Finished difference Result 8 states and 14 transitions. 15.68/7.76 [2019-03-28 22:43:18,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 15.68/7.76 [2019-03-28 22:43:18,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 14 transitions. 15.68/7.76 [2019-03-28 22:43:18,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 15.68/7.76 [2019-03-28 22:43:18,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 15.68/7.76 [2019-03-28 22:43:18,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.68/7.76 [2019-03-28 22:43:18,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.68/7.76 [2019-03-28 22:43:18,090 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.68/7.76 [2019-03-28 22:43:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.68/7.76 [2019-03-28 22:43:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,091 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,091 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,092 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.68/7.76 [2019-03-28 22:43:18,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 15.68/7.76 [2019-03-28 22:43:18,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 15.68/7.76 [2019-03-28 22:43:18,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.68/7.76 [2019-03-28 22:43:18,092 INFO L119 BuchiIsEmpty]: Starting construction of run 15.68/7.76 [2019-03-28 22:43:18,093 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.68/7.76 [2019-03-28 22:43:18,093 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.68/7.76 [2019-03-28 22:43:18,093 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY [50] ULTIMATE.startENTRY-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~y~0_13) (<= 0 v_ULTIMATE.start_main_~x~0_13)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 107#L19-2 15.68/7.76 [2019-03-28 22:43:18,093 INFO L796 eck$LassoCheckResult]: Loop: 107#L19-2 [46] L19-2-->L19: Formula: (< (+ v_ULTIMATE.start_main_~x~0_12 2) v_ULTIMATE.start_main_~y~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 111#L19 [43] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 107#L19-2 15.68/7.76 [2019-03-28 22:43:18,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,094 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 2 times 15.68/7.76 [2019-03-28 22:43:18,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:18,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:18,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2430, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:18,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:18,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:18,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,102 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.68/7.76 [2019-03-28 22:43:18,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.68/7.76 [2019-03-28 22:43:18,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.68/7.76 [2019-03-28 22:43:18,111 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.68/7.76 [2019-03-28 22:43:18,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.68/7.76 [2019-03-28 22:43:18,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.68/7.76 [2019-03-28 22:43:18,113 INFO L87 Difference]: Start difference. First operand 7 states and 11 transitions. cyclomatic complexity: 6 Second operand 3 states. 15.68/7.76 [2019-03-28 22:43:18,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.68/7.76 [2019-03-28 22:43:18,122 INFO L93 Difference]: Finished difference Result 7 states and 10 transitions. 15.68/7.76 [2019-03-28 22:43:18,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.68/7.76 [2019-03-28 22:43:18,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 15.68/7.76 [2019-03-28 22:43:18,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.68/7.76 [2019-03-28 22:43:18,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.68/7.76 [2019-03-28 22:43:18,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.68/7.76 [2019-03-28 22:43:18,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.68/7.76 [2019-03-28 22:43:18,126 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. 15.68/7.76 [2019-03-28 22:43:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.68/7.76 [2019-03-28 22:43:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,127 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,128 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,128 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.68/7.76 [2019-03-28 22:43:18,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. 15.68/7.76 [2019-03-28 22:43:18,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.68/7.76 [2019-03-28 22:43:18,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.68/7.76 [2019-03-28 22:43:18,128 INFO L119 BuchiIsEmpty]: Starting construction of run 15.68/7.76 [2019-03-28 22:43:18,129 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.68/7.76 [2019-03-28 22:43:18,129 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.68/7.76 [2019-03-28 22:43:18,129 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY [50] ULTIMATE.startENTRY-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~y~0_13) (<= 0 v_ULTIMATE.start_main_~x~0_13)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 127#L19-2 [47] L19-2-->L19: Formula: (< (+ v_ULTIMATE.start_main_~y~0_12 2) v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 129#L19 15.68/7.76 [2019-03-28 22:43:18,129 INFO L796 eck$LassoCheckResult]: Loop: 129#L19 [43] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 128#L19-2 [47] L19-2-->L19: Formula: (< (+ v_ULTIMATE.start_main_~y~0_12 2) v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 129#L19 15.68/7.76 [2019-03-28 22:43:18,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2558, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:18,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:18,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:18,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,136 INFO L82 PathProgramCache]: Analyzing trace with hash 2341, now seen corresponding path program 1 times 15.68/7.76 [2019-03-28 22:43:18,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:18,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:18,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,143 INFO L82 PathProgramCache]: Analyzing trace with hash 2459618, now seen corresponding path program 2 times 15.68/7.76 [2019-03-28 22:43:18,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.68/7.76 [2019-03-28 22:43:18,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.68/7.76 [2019-03-28 22:43:18,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.68/7.76 [2019-03-28 22:43:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.68/7.76 [2019-03-28 22:43:18,178 INFO L216 LassoAnalysis]: Preferences: 15.68/7.76 [2019-03-28 22:43:18,179 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.68/7.76 [2019-03-28 22:43:18,179 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.68/7.76 [2019-03-28 22:43:18,179 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.68/7.76 [2019-03-28 22:43:18,179 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.68/7.76 [2019-03-28 22:43:18,179 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:18,179 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.68/7.76 [2019-03-28 22:43:18,180 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.68/7.76 [2019-03-28 22:43:18,180 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.68/7.76 [2019-03-28 22:43:18,180 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.68/7.76 [2019-03-28 22:43:18,180 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.68/7.76 [2019-03-28 22:43:18,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:18,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:18,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:18,229 INFO L300 LassoAnalysis]: Preprocessing complete. 15.68/7.76 [2019-03-28 22:43:18,229 INFO L412 LassoAnalysis]: Checking for nontermination... 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:18,234 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:18,234 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:18,262 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.68/7.76 [2019-03-28 22:43:18,262 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:18,268 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:18,268 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.68/7.76 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.68/7.76 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:18,300 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.68/7.76 [2019-03-28 22:43:18,300 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.68/7.76 [2019-03-28 22:43:18,779 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.68/7.76 [2019-03-28 22:43:18,782 INFO L216 LassoAnalysis]: Preferences: 15.68/7.76 [2019-03-28 22:43:18,782 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.68/7.76 [2019-03-28 22:43:18,782 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.68/7.76 [2019-03-28 22:43:18,782 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.68/7.76 [2019-03-28 22:43:18,782 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.68/7.76 [2019-03-28 22:43:18,783 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.68/7.76 [2019-03-28 22:43:18,783 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.68/7.76 [2019-03-28 22:43:18,783 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.68/7.76 [2019-03-28 22:43:18,783 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.68/7.76 [2019-03-28 22:43:18,784 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.68/7.76 [2019-03-28 22:43:18,784 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.68/7.76 [2019-03-28 22:43:18,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:18,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:18,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.68/7.76 [2019-03-28 22:43:18,827 INFO L300 LassoAnalysis]: Preprocessing complete. 15.68/7.76 [2019-03-28 22:43:18,827 INFO L497 LassoAnalysis]: Using template 'affine'. 15.68/7.76 [2019-03-28 22:43:18,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.68/7.76 Termination analysis: LINEAR_WITH_GUESSES 15.68/7.76 Number of strict supporting invariants: 0 15.68/7.76 Number of non-strict supporting invariants: 1 15.68/7.76 Consider only non-deceasing supporting invariants: true 15.68/7.76 Simplify termination arguments: true 15.68/7.76 Simplify supporting invariants: trueOverapproximate stem: false 15.68/7.76 [2019-03-28 22:43:18,829 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.68/7.76 [2019-03-28 22:43:18,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.68/7.76 [2019-03-28 22:43:18,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.68/7.76 [2019-03-28 22:43:18,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.68/7.76 [2019-03-28 22:43:18,831 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.68/7.76 [2019-03-28 22:43:18,831 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.68/7.76 [2019-03-28 22:43:18,836 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.68/7.76 [2019-03-28 22:43:18,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.68/7.76 Termination analysis: LINEAR_WITH_GUESSES 15.68/7.76 Number of strict supporting invariants: 0 15.68/7.76 Number of non-strict supporting invariants: 1 15.68/7.76 Consider only non-deceasing supporting invariants: true 15.68/7.76 Simplify termination arguments: true 15.68/7.76 Simplify supporting invariants: trueOverapproximate stem: false 15.68/7.76 [2019-03-28 22:43:18,837 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.68/7.76 [2019-03-28 22:43:18,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.68/7.76 [2019-03-28 22:43:18,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.68/7.76 [2019-03-28 22:43:18,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.68/7.76 [2019-03-28 22:43:18,838 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.68/7.76 [2019-03-28 22:43:18,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.68/7.76 [2019-03-28 22:43:18,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.68/7.76 [2019-03-28 22:43:18,843 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.68/7.76 [2019-03-28 22:43:18,847 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.68/7.76 [2019-03-28 22:43:18,848 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.68/7.76 [2019-03-28 22:43:18,848 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.68/7.76 [2019-03-28 22:43:18,848 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.68/7.76 [2019-03-28 22:43:18,848 INFO L518 LassoAnalysis]: Proved termination. 15.68/7.76 [2019-03-28 22:43:18,849 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.68/7.76 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 15.68/7.76 Supporting invariants [] 15.68/7.76 [2019-03-28 22:43:18,849 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.68/7.76 [2019-03-28 22:43:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.68/7.76 [2019-03-28 22:43:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:18,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core 15.68/7.76 [2019-03-28 22:43:18,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.68/7.76 [2019-03-28 22:43:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.68/7.76 [2019-03-28 22:43:18,871 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.68/7.76 [2019-03-28 22:43:18,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.68/7.76 [2019-03-28 22:43:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.68/7.76 [2019-03-28 22:43:18,887 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.68/7.76 [2019-03-28 22:43:18,887 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.68/7.76 [2019-03-28 22:43:18,887 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. 15.68/7.76 [2019-03-28 22:43:18,897 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 8 states and 10 transitions. Complement of second has 4 states. 15.68/7.76 [2019-03-28 22:43:18,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.68/7.76 [2019-03-28 22:43:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.68/7.76 [2019-03-28 22:43:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.68/7.76 [2019-03-28 22:43:18,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. 15.68/7.76 [2019-03-28 22:43:18,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:18,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. 15.68/7.76 [2019-03-28 22:43:18,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:18,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. 15.68/7.76 [2019-03-28 22:43:18,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.68/7.76 [2019-03-28 22:43:18,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 10 transitions. 15.68/7.76 [2019-03-28 22:43:18,902 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.68/7.76 [2019-03-28 22:43:18,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 15.68/7.76 [2019-03-28 22:43:18,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.68/7.76 [2019-03-28 22:43:18,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.68/7.76 [2019-03-28 22:43:18,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.68/7.76 [2019-03-28 22:43:18,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.68/7.76 [2019-03-28 22:43:18,903 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.68/7.76 [2019-03-28 22:43:18,903 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.68/7.76 [2019-03-28 22:43:18,903 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.68/7.76 [2019-03-28 22:43:18,903 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.68/7.76 [2019-03-28 22:43:18,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.68/7.76 [2019-03-28 22:43:18,904 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.68/7.76 [2019-03-28 22:43:18,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.68/7.76 [2019-03-28 22:43:18,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:43:18 BasicIcfg 15.68/7.76 [2019-03-28 22:43:18,910 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.68/7.76 [2019-03-28 22:43:18,911 INFO L168 Benchmark]: Toolchain (without parser) took 3217.69 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 564.6 MB in the beginning and 437.1 MB in the end (delta: 127.5 MB). Peak memory consumption was 163.2 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,912 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.2 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.90 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.93 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 554.7 MB in the beginning and 651.1 MB in the end (delta: -96.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,914 INFO L168 Benchmark]: Boogie Preprocessor took 20.97 ms. Allocated memory is still 685.2 MB. Free memory was 651.1 MB in the beginning and 648.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,915 INFO L168 Benchmark]: RCFGBuilder took 217.66 ms. Allocated memory is still 685.2 MB. Free memory was 648.3 MB in the beginning and 633.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,915 INFO L168 Benchmark]: BlockEncodingV2 took 96.43 ms. Allocated memory is still 685.2 MB. Free memory was 633.7 MB in the beginning and 628.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,916 INFO L168 Benchmark]: TraceAbstraction took 156.98 ms. Allocated memory is still 685.2 MB. Free memory was 628.3 MB in the beginning and 619.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,917 INFO L168 Benchmark]: BuchiAutomizer took 2386.46 ms. Allocated memory is still 685.2 MB. Free memory was 618.6 MB in the beginning and 437.1 MB in the end (delta: 181.5 MB). Peak memory consumption was 181.5 MB. Max. memory is 50.3 GB. 15.68/7.76 [2019-03-28 22:43:18,921 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.68/7.76 --- Results --- 15.68/7.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.68/7.76 - StatisticsResult: Initial Icfg 15.68/7.76 8 locations, 11 edges 15.68/7.76 - StatisticsResult: Encoded RCFG 15.68/7.76 3 locations, 5 edges 15.68/7.76 * Results from de.uni_freiburg.informatik.ultimate.core: 15.68/7.76 - StatisticsResult: Toolchain Benchmarks 15.68/7.76 Benchmark results are: 15.68/7.76 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.2 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.68/7.76 * CACSL2BoogieTranslator took 230.90 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.68/7.76 * Boogie Procedure Inliner took 102.93 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 554.7 MB in the beginning and 651.1 MB in the end (delta: -96.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.68/7.76 * Boogie Preprocessor took 20.97 ms. Allocated memory is still 685.2 MB. Free memory was 651.1 MB in the beginning and 648.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.68/7.76 * RCFGBuilder took 217.66 ms. Allocated memory is still 685.2 MB. Free memory was 648.3 MB in the beginning and 633.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 50.3 GB. 15.68/7.76 * BlockEncodingV2 took 96.43 ms. Allocated memory is still 685.2 MB. Free memory was 633.7 MB in the beginning and 628.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.68/7.76 * TraceAbstraction took 156.98 ms. Allocated memory is still 685.2 MB. Free memory was 628.3 MB in the beginning and 619.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.68/7.76 * BuchiAutomizer took 2386.46 ms. Allocated memory is still 685.2 MB. Free memory was 618.6 MB in the beginning and 437.1 MB in the end (delta: 181.5 MB). Peak memory consumption was 181.5 MB. Max. memory is 50.3 GB. 15.68/7.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.68/7.76 - AllSpecificationsHoldResult: All specifications hold 15.68/7.76 We were not able to verify any specifiation because the program does not contain any specification. 15.68/7.76 - InvariantResult [Line: 18]: Loop Invariant 15.68/7.76 Derived loop invariant: 1 15.68/7.76 - StatisticsResult: Ultimate Automizer benchmark data 15.68/7.76 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.68/7.76 - StatisticsResult: Constructed decomposition of program 15.68/7.76 Your program was decomposed into 5 terminating modules (2 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y + -1 * x and consists of 3 locations. One nondeterministic module has affine ranking function y + -1 * x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 15.68/7.76 - StatisticsResult: Timing statistics 15.68/7.76 BüchiAutomizer plugin needed 2.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 51 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s 15.68/7.76 - TerminationAnalysisResult: Termination proven 15.68/7.76 Buchi Automizer proved that your program is terminating 15.68/7.76 RESULT: Ultimate proved your program to be correct! 15.68/7.76 !SESSION 2019-03-28 22:43:12.453 ----------------------------------------------- 15.68/7.76 eclipse.buildId=unknown 15.68/7.76 java.version=1.8.0_181 15.68/7.76 java.vendor=Oracle Corporation 15.68/7.76 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.68/7.76 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.68/7.76 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 15.68/7.76 15.68/7.76 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:43:19.154 15.68/7.76 !MESSAGE The workspace will exit with unsaved changes in this session. 15.68/7.76 Received shutdown request... 15.68/7.76 Ultimate: 15.68/7.76 GTK+ Version Check 15.68/7.76 EOF