13.55/6.08 YES 13.55/6.08 13.55/6.08 Ultimate: Cannot open display: 13.55/6.08 This is Ultimate 0.1.24-8dc7c08-m 13.55/6.08 [2019-03-28 12:05:15,854 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.55/6.08 [2019-03-28 12:05:15,856 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.55/6.08 [2019-03-28 12:05:15,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.55/6.08 [2019-03-28 12:05:15,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.55/6.08 [2019-03-28 12:05:15,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.55/6.08 [2019-03-28 12:05:15,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.55/6.08 [2019-03-28 12:05:15,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.55/6.08 [2019-03-28 12:05:15,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.55/6.08 [2019-03-28 12:05:15,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.55/6.08 [2019-03-28 12:05:15,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.55/6.08 [2019-03-28 12:05:15,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.55/6.08 [2019-03-28 12:05:15,877 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.55/6.08 [2019-03-28 12:05:15,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.55/6.08 [2019-03-28 12:05:15,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.55/6.08 [2019-03-28 12:05:15,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.55/6.08 [2019-03-28 12:05:15,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.55/6.08 [2019-03-28 12:05:15,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.55/6.08 [2019-03-28 12:05:15,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.55/6.08 [2019-03-28 12:05:15,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.55/6.08 [2019-03-28 12:05:15,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,888 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.55/6.08 [2019-03-28 12:05:15,889 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.55/6.08 [2019-03-28 12:05:15,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.55/6.08 [2019-03-28 12:05:15,891 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.55/6.08 [2019-03-28 12:05:15,891 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.55/6.08 [2019-03-28 12:05:15,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.55/6.08 [2019-03-28 12:05:15,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.55/6.08 [2019-03-28 12:05:15,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.55/6.08 [2019-03-28 12:05:15,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.55/6.08 [2019-03-28 12:05:15,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.55/6.08 [2019-03-28 12:05:15,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.55/6.08 [2019-03-28 12:05:15,897 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.55/6.08 [2019-03-28 12:05:15,897 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.55/6.08 [2019-03-28 12:05:15,911 INFO L110 SettingsManager]: Loading preferences was successful 13.55/6.08 [2019-03-28 12:05:15,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.55/6.08 [2019-03-28 12:05:15,913 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.55/6.08 [2019-03-28 12:05:15,913 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.55/6.08 [2019-03-28 12:05:15,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.55/6.08 [2019-03-28 12:05:15,913 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.55/6.08 [2019-03-28 12:05:15,913 INFO L133 SettingsManager]: * Use SBE=true 13.55/6.08 [2019-03-28 12:05:15,914 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.55/6.08 [2019-03-28 12:05:15,914 INFO L133 SettingsManager]: * Use old map elimination=false 13.55/6.08 [2019-03-28 12:05:15,914 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.55/6.08 [2019-03-28 12:05:15,914 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.55/6.08 [2019-03-28 12:05:15,914 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.55/6.08 [2019-03-28 12:05:15,915 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.55/6.08 [2019-03-28 12:05:15,915 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.55/6.08 [2019-03-28 12:05:15,915 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.08 [2019-03-28 12:05:15,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.55/6.08 [2019-03-28 12:05:15,915 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.55/6.08 [2019-03-28 12:05:15,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.55/6.08 [2019-03-28 12:05:15,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.55/6.08 [2019-03-28 12:05:15,916 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.55/6.08 [2019-03-28 12:05:15,916 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.55/6.08 [2019-03-28 12:05:15,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.55/6.08 [2019-03-28 12:05:15,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.55/6.08 [2019-03-28 12:05:15,917 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.55/6.08 [2019-03-28 12:05:15,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.55/6.08 [2019-03-28 12:05:15,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.55/6.08 [2019-03-28 12:05:15,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.55/6.08 [2019-03-28 12:05:15,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.55/6.08 [2019-03-28 12:05:15,918 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.55/6.08 [2019-03-28 12:05:15,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.55/6.08 [2019-03-28 12:05:15,956 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.55/6.08 [2019-03-28 12:05:15,959 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.55/6.08 [2019-03-28 12:05:15,961 INFO L271 PluginConnector]: Initializing CDTParser... 13.55/6.08 [2019-03-28 12:05:15,961 INFO L276 PluginConnector]: CDTParser initialized 13.55/6.08 [2019-03-28 12:05:15,962 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.55/6.08 [2019-03-28 12:05:16,029 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/0c21dfbc4eb84860b4a50dbab6e3c234/FLAG9573afe1d 13.55/6.08 [2019-03-28 12:05:16,362 INFO L307 CDTParser]: Found 1 translation units. 13.55/6.08 [2019-03-28 12:05:16,363 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.55/6.08 [2019-03-28 12:05:16,370 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/0c21dfbc4eb84860b4a50dbab6e3c234/FLAG9573afe1d 13.55/6.08 [2019-03-28 12:05:16,762 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/0c21dfbc4eb84860b4a50dbab6e3c234 13.55/6.08 [2019-03-28 12:05:16,774 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.55/6.08 [2019-03-28 12:05:16,776 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.55/6.08 [2019-03-28 12:05:16,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.55/6.08 [2019-03-28 12:05:16,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.55/6.08 [2019-03-28 12:05:16,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.55/6.08 [2019-03-28 12:05:16,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:05:16" (1/1) ... 13.55/6.08 [2019-03-28 12:05:16,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccc5dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:16, skipping insertion in model container 13.55/6.08 [2019-03-28 12:05:16,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:05:16" (1/1) ... 13.55/6.08 [2019-03-28 12:05:16,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.55/6.08 [2019-03-28 12:05:16,809 INFO L176 MainTranslator]: Built tables and reachable declarations 13.55/6.08 [2019-03-28 12:05:16,966 INFO L206 PostProcessor]: Analyzing one entry point: main 13.55/6.08 [2019-03-28 12:05:16,971 INFO L191 MainTranslator]: Completed pre-run 13.55/6.08 [2019-03-28 12:05:16,986 INFO L206 PostProcessor]: Analyzing one entry point: main 13.55/6.08 [2019-03-28 12:05:17,001 INFO L195 MainTranslator]: Completed translation 13.55/6.08 [2019-03-28 12:05:17,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17 WrapperNode 13.55/6.08 [2019-03-28 12:05:17,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.55/6.08 [2019-03-28 12:05:17,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.55/6.08 [2019-03-28 12:05:17,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.55/6.08 [2019-03-28 12:05:17,003 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.55/6.08 [2019-03-28 12:05:17,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.55/6.08 [2019-03-28 12:05:17,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.55/6.08 [2019-03-28 12:05:17,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.55/6.08 [2019-03-28 12:05:17,094 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.55/6.08 [2019-03-28 12:05:17,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.55/6.08 [2019-03-28 12:05:17,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.55/6.08 [2019-03-28 12:05:17,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.55/6.08 [2019-03-28 12:05:17,115 INFO L276 PluginConnector]: RCFGBuilder initialized 13.55/6.08 [2019-03-28 12:05:17,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (1/1) ... 13.55/6.08 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.55/6.08 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.55/6.08 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.55/6.08 [2019-03-28 12:05:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.55/6.08 [2019-03-28 12:05:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.55/6.08 [2019-03-28 12:05:17,323 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.55/6.08 [2019-03-28 12:05:17,323 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 13.55/6.08 [2019-03-28 12:05:17,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:17 BoogieIcfgContainer 13.55/6.08 [2019-03-28 12:05:17,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.55/6.08 [2019-03-28 12:05:17,325 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.55/6.08 [2019-03-28 12:05:17,325 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.55/6.08 [2019-03-28 12:05:17,328 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.55/6.08 [2019-03-28 12:05:17,329 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:17" (1/1) ... 13.55/6.08 [2019-03-28 12:05:17,344 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 9 edges 13.55/6.08 [2019-03-28 12:05:17,346 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.55/6.08 [2019-03-28 12:05:17,346 INFO L263 BlockEncoder]: Using Maximize final states 13.55/6.08 [2019-03-28 12:05:17,347 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.55/6.08 [2019-03-28 12:05:17,347 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.55/6.08 [2019-03-28 12:05:17,349 INFO L296 BlockEncoder]: Using Remove sink states 13.55/6.08 [2019-03-28 12:05:17,350 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.55/6.08 [2019-03-28 12:05:17,351 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.55/6.08 [2019-03-28 12:05:17,365 INFO L185 BlockEncoder]: Using Use SBE 13.55/6.08 [2019-03-28 12:05:17,374 INFO L200 BlockEncoder]: SBE split 0 edges 13.55/6.08 [2019-03-28 12:05:17,380 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.55/6.08 [2019-03-28 12:05:17,381 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.55/6.08 [2019-03-28 12:05:17,413 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 13.55/6.08 [2019-03-28 12:05:17,415 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.55/6.08 [2019-03-28 12:05:17,417 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.55/6.08 [2019-03-28 12:05:17,417 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.55/6.09 [2019-03-28 12:05:17,418 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.55/6.09 [2019-03-28 12:05:17,418 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.55/6.09 [2019-03-28 12:05:17,418 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.55/6.09 [2019-03-28 12:05:17,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:05:17 BasicIcfg 13.55/6.09 [2019-03-28 12:05:17,419 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.55/6.09 [2019-03-28 12:05:17,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.55/6.09 [2019-03-28 12:05:17,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.55/6.09 [2019-03-28 12:05:17,424 INFO L276 PluginConnector]: TraceAbstraction initialized 13.55/6.09 [2019-03-28 12:05:17,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:05:16" (1/4) ... 13.55/6.09 [2019-03-28 12:05:17,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3056d596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (2/4) ... 13.55/6.09 [2019-03-28 12:05:17,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3056d596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:17" (3/4) ... 13.55/6.09 [2019-03-28 12:05:17,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3056d596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:05:17" (4/4) ... 13.55/6.09 [2019-03-28 12:05:17,429 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.55/6.09 [2019-03-28 12:05:17,440 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.55/6.09 [2019-03-28 12:05:17,449 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.55/6.09 [2019-03-28 12:05:17,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.55/6.09 [2019-03-28 12:05:17,500 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.55/6.09 [2019-03-28 12:05:17,501 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.55/6.09 [2019-03-28 12:05:17,501 INFO L383 AbstractCegarLoop]: Hoare is true 13.55/6.09 [2019-03-28 12:05:17,501 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.55/6.09 [2019-03-28 12:05:17,502 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.55/6.09 [2019-03-28 12:05:17,502 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.55/6.09 [2019-03-28 12:05:17,502 INFO L387 AbstractCegarLoop]: Difference is false 13.55/6.09 [2019-03-28 12:05:17,502 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.55/6.09 [2019-03-28 12:05:17,502 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.55/6.09 [2019-03-28 12:05:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.55/6.09 [2019-03-28 12:05:17,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.55/6.09 [2019-03-28 12:05:17,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.55/6.09 [2019-03-28 12:05:17,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.55/6.09 [2019-03-28 12:05:17,575 INFO L451 ceAbstractionStarter]: At program point L6-3(lines 6 8) the Hoare annotation is: true 13.55/6.09 [2019-03-28 12:05:17,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:05:17 BasicIcfg 13.55/6.09 [2019-03-28 12:05:17,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.55/6.09 [2019-03-28 12:05:17,584 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.55/6.09 [2019-03-28 12:05:17,584 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.55/6.09 [2019-03-28 12:05:17,587 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.55/6.09 [2019-03-28 12:05:17,588 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.09 [2019-03-28 12:05:17,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:05:16" (1/5) ... 13.55/6.09 [2019-03-28 12:05:17,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db69131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.09 [2019-03-28 12:05:17,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:05:17" (2/5) ... 13.55/6.09 [2019-03-28 12:05:17,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db69131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.09 [2019-03-28 12:05:17,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:05:17" (3/5) ... 13.55/6.09 [2019-03-28 12:05:17,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db69131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.09 [2019-03-28 12:05:17,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:05:17" (4/5) ... 13.55/6.09 [2019-03-28 12:05:17,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db69131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:05:17, skipping insertion in model container 13.55/6.09 [2019-03-28 12:05:17,591 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.09 [2019-03-28 12:05:17,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:05:17" (5/5) ... 13.55/6.09 [2019-03-28 12:05:17,592 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.55/6.09 [2019-03-28 12:05:17,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.55/6.09 [2019-03-28 12:05:17,619 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.55/6.09 [2019-03-28 12:05:17,619 INFO L375 BuchiCegarLoop]: Hoare is true 13.55/6.09 [2019-03-28 12:05:17,619 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.55/6.09 [2019-03-28 12:05:17,619 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.55/6.09 [2019-03-28 12:05:17,620 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.55/6.09 [2019-03-28 12:05:17,620 INFO L379 BuchiCegarLoop]: Difference is false 13.55/6.09 [2019-03-28 12:05:17,620 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.55/6.09 [2019-03-28 12:05:17,620 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.55/6.09 [2019-03-28 12:05:17,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.55/6.09 [2019-03-28 12:05:17,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.55/6.09 [2019-03-28 12:05:17,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.55/6.09 [2019-03-28 12:05:17,640 INFO L119 BuchiIsEmpty]: Starting construction of run 13.55/6.09 [2019-03-28 12:05:17,645 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.55/6.09 [2019-03-28 12:05:17,646 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.55/6.09 [2019-03-28 12:05:17,646 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.55/6.09 [2019-03-28 12:05:17,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.55/6.09 [2019-03-28 12:05:17,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.55/6.09 [2019-03-28 12:05:17,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.55/6.09 [2019-03-28 12:05:17,647 INFO L119 BuchiIsEmpty]: Starting construction of run 13.55/6.09 [2019-03-28 12:05:17,647 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.55/6.09 [2019-03-28 12:05:17,647 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.55/6.09 [2019-03-28 12:05:17,652 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L6-3: Formula: (and (= v_ULTIMATE.start_iterate_~bound_1 |v_ULTIMATE.start_iterate_#in~bound_1|) (= v_ULTIMATE.start_iterate_~sum~0_1 0) (= |v_ULTIMATE.start_iterate_#in~bound_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_iterate_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_iterate_~i~0=v_ULTIMATE.start_iterate_~i~0_1, ULTIMATE.start_iterate_#in~bound=|v_ULTIMATE.start_iterate_#in~bound_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_iterate_~sum~0=v_ULTIMATE.start_iterate_~sum~0_1, ULTIMATE.start_iterate_#t~post0=|v_ULTIMATE.start_iterate_#t~post0_1|, ULTIMATE.start_iterate_~bound=v_ULTIMATE.start_iterate_~bound_1, ULTIMATE.start_iterate_#res=|v_ULTIMATE.start_iterate_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_iterate_~i~0, ULTIMATE.start_iterate_#in~bound, ULTIMATE.start_main_#res, ULTIMATE.start_iterate_~sum~0, ULTIMATE.start_iterate_#t~post0, ULTIMATE.start_iterate_~bound, ULTIMATE.start_iterate_#res] 4#L6-3true 13.55/6.09 [2019-03-28 12:05:17,653 INFO L796 eck$LassoCheckResult]: Loop: 4#L6-3true [31] L6-3-->L6-3: Formula: (and (< v_ULTIMATE.start_iterate_~i~0_9 v_ULTIMATE.start_iterate_~bound_5) (= v_ULTIMATE.start_iterate_~i~0_8 (+ v_ULTIMATE.start_iterate_~i~0_9 1)) (= (+ v_ULTIMATE.start_iterate_~sum~0_7 v_ULTIMATE.start_iterate_~i~0_9) v_ULTIMATE.start_iterate_~sum~0_6)) InVars {ULTIMATE.start_iterate_~i~0=v_ULTIMATE.start_iterate_~i~0_9, ULTIMATE.start_iterate_~sum~0=v_ULTIMATE.start_iterate_~sum~0_7, ULTIMATE.start_iterate_~bound=v_ULTIMATE.start_iterate_~bound_5} OutVars{ULTIMATE.start_iterate_~i~0=v_ULTIMATE.start_iterate_~i~0_8, ULTIMATE.start_iterate_~sum~0=v_ULTIMATE.start_iterate_~sum~0_6, ULTIMATE.start_iterate_#t~post0=|v_ULTIMATE.start_iterate_#t~post0_4|, ULTIMATE.start_iterate_~bound=v_ULTIMATE.start_iterate_~bound_5} AuxVars[] AssignedVars[ULTIMATE.start_iterate_~i~0, ULTIMATE.start_iterate_~sum~0, ULTIMATE.start_iterate_#t~post0] 4#L6-3true 13.55/6.09 [2019-03-28 12:05:17,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.09 [2019-03-28 12:05:17,659 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 13.55/6.09 [2019-03-28 12:05:17,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.55/6.09 [2019-03-28 12:05:17,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.55/6.09 [2019-03-28 12:05:17,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.09 [2019-03-28 12:05:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.09 [2019-03-28 12:05:17,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.09 [2019-03-28 12:05:17,731 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 13.55/6.09 [2019-03-28 12:05:17,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.55/6.09 [2019-03-28 12:05:17,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.55/6.09 [2019-03-28 12:05:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.09 [2019-03-28 12:05:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.09 [2019-03-28 12:05:17,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.09 [2019-03-28 12:05:17,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 1 times 13.55/6.09 [2019-03-28 12:05:17,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.55/6.09 [2019-03-28 12:05:17,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.55/6.09 [2019-03-28 12:05:17,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.09 [2019-03-28 12:05:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.09 [2019-03-28 12:05:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.09 [2019-03-28 12:05:17,806 INFO L216 LassoAnalysis]: Preferences: 13.55/6.09 [2019-03-28 12:05:17,808 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.55/6.09 [2019-03-28 12:05:17,808 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.55/6.09 [2019-03-28 12:05:17,808 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.55/6.09 [2019-03-28 12:05:17,808 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.55/6.09 [2019-03-28 12:05:17,808 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.09 [2019-03-28 12:05:17,809 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.55/6.09 [2019-03-28 12:05:17,809 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.55/6.09 [2019-03-28 12:05:17,809 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.55/6.09 [2019-03-28 12:05:17,809 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.55/6.09 [2019-03-28 12:05:17,809 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.55/6.09 [2019-03-28 12:05:17,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.09 [2019-03-28 12:05:17,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.09 [2019-03-28 12:05:17,920 INFO L300 LassoAnalysis]: Preprocessing complete. 13.55/6.09 [2019-03-28 12:05:17,921 INFO L412 LassoAnalysis]: Checking for nontermination... 13.55/6.09 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.55/6.09 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.09 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.09 [2019-03-28 12:05:17,929 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.55/6.09 [2019-03-28 12:05:17,929 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.09 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.55/6.09 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.09 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.09 [2019-03-28 12:05:17,967 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.55/6.09 [2019-03-28 12:05:17,967 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.09 [2019-03-28 12:05:18,148 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.55/6.09 [2019-03-28 12:05:18,150 INFO L216 LassoAnalysis]: Preferences: 13.55/6.09 [2019-03-28 12:05:18,151 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.55/6.09 [2019-03-28 12:05:18,151 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.55/6.09 [2019-03-28 12:05:18,151 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.55/6.09 [2019-03-28 12:05:18,151 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.55/6.09 [2019-03-28 12:05:18,151 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.55/6.09 [2019-03-28 12:05:18,151 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.55/6.09 [2019-03-28 12:05:18,151 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.55/6.09 [2019-03-28 12:05:18,152 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.55/6.09 [2019-03-28 12:05:18,152 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.55/6.09 [2019-03-28 12:05:18,152 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.55/6.09 [2019-03-28 12:05:18,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.09 [2019-03-28 12:05:18,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.09 [2019-03-28 12:05:18,223 INFO L300 LassoAnalysis]: Preprocessing complete. 13.55/6.09 [2019-03-28 12:05:18,229 INFO L497 LassoAnalysis]: Using template 'affine'. 13.55/6.09 [2019-03-28 12:05:18,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.55/6.09 Termination analysis: LINEAR_WITH_GUESSES 13.55/6.09 Number of strict supporting invariants: 0 13.55/6.09 Number of non-strict supporting invariants: 1 13.55/6.09 Consider only non-deceasing supporting invariants: true 13.55/6.09 Simplify termination arguments: true 13.55/6.09 Simplify supporting invariants: trueOverapproximate stem: false 13.55/6.09 [2019-03-28 12:05:18,232 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.55/6.09 [2019-03-28 12:05:18,232 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.55/6.09 [2019-03-28 12:05:18,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.55/6.09 [2019-03-28 12:05:18,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.55/6.09 [2019-03-28 12:05:18,233 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.55/6.09 [2019-03-28 12:05:18,236 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.55/6.09 [2019-03-28 12:05:18,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.55/6.09 [2019-03-28 12:05:18,246 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.55/6.09 [2019-03-28 12:05:18,260 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.55/6.09 [2019-03-28 12:05:18,260 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 13.55/6.09 [2019-03-28 12:05:18,262 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.55/6.09 [2019-03-28 12:05:18,262 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.55/6.09 [2019-03-28 12:05:18,263 INFO L518 LassoAnalysis]: Proved termination. 13.55/6.09 [2019-03-28 12:05:18,264 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.55/6.09 Ranking function f(ULTIMATE.start_iterate_~bound, ULTIMATE.start_iterate_~i~0) = 1*ULTIMATE.start_iterate_~bound - 1*ULTIMATE.start_iterate_~i~0 13.55/6.09 Supporting invariants [] 13.55/6.09 [2019-03-28 12:05:18,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.55/6.09 [2019-03-28 12:05:18,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.09 [2019-03-28 12:05:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.55/6.09 [2019-03-28 12:05:18,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 13.55/6.09 [2019-03-28 12:05:18,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.55/6.09 [2019-03-28 12:05:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.55/6.09 [2019-03-28 12:05:18,323 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.55/6.09 [2019-03-28 12:05:18,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.55/6.09 [2019-03-28 12:05:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.55/6.09 [2019-03-28 12:05:18,337 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.55/6.09 [2019-03-28 12:05:18,342 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 13.55/6.09 [2019-03-28 12:05:18,343 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.55/6.09 [2019-03-28 12:05:18,362 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 13.55/6.09 [2019-03-28 12:05:18,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 13.55/6.09 [2019-03-28 12:05:18,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.55/6.09 [2019-03-28 12:05:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.55/6.09 [2019-03-28 12:05:18,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.55/6.09 [2019-03-28 12:05:18,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.55/6.09 [2019-03-28 12:05:18,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.55/6.09 [2019-03-28 12:05:18,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.55/6.09 [2019-03-28 12:05:18,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.55/6.09 [2019-03-28 12:05:18,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.55/6.09 [2019-03-28 12:05:18,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.55/6.09 [2019-03-28 12:05:18,374 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.55/6.09 [2019-03-28 12:05:18,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.55/6.09 [2019-03-28 12:05:18,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.55/6.09 [2019-03-28 12:05:18,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.55/6.09 [2019-03-28 12:05:18,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.55/6.09 [2019-03-28 12:05:18,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.55/6.09 [2019-03-28 12:05:18,379 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.55/6.09 [2019-03-28 12:05:18,380 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.55/6.09 [2019-03-28 12:05:18,380 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.55/6.09 [2019-03-28 12:05:18,380 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.55/6.09 [2019-03-28 12:05:18,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.55/6.09 [2019-03-28 12:05:18,380 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.55/6.09 [2019-03-28 12:05:18,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.55/6.09 [2019-03-28 12:05:18,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:05:18 BasicIcfg 13.55/6.09 [2019-03-28 12:05:18,386 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.55/6.09 [2019-03-28 12:05:18,387 INFO L168 Benchmark]: Toolchain (without parser) took 1612.82 ms. Allocated memory was 649.6 MB in the beginning and 705.2 MB in the end (delta: 55.6 MB). Free memory was 564.9 MB in the beginning and 589.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,389 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.36 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.87 ms. Allocated memory was 649.6 MB in the beginning and 705.2 MB in the end (delta: 55.6 MB). Free memory was 555.5 MB in the beginning and 671.6 MB in the end (delta: -116.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,391 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 705.2 MB. Free memory was 671.6 MB in the beginning and 669.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,392 INFO L168 Benchmark]: RCFGBuilder took 210.36 ms. Allocated memory is still 705.2 MB. Free memory was 669.8 MB in the beginning and 655.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,392 INFO L168 Benchmark]: BlockEncodingV2 took 93.83 ms. Allocated memory is still 705.2 MB. Free memory was 655.5 MB in the beginning and 650.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,393 INFO L168 Benchmark]: TraceAbstraction took 163.12 ms. Allocated memory is still 705.2 MB. Free memory was 649.0 MB in the beginning and 641.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,393 INFO L168 Benchmark]: BuchiAutomizer took 802.96 ms. Allocated memory is still 705.2 MB. Free memory was 641.0 MB in the beginning and 589.4 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 50.3 GB. 13.55/6.09 [2019-03-28 12:05:18,398 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.55/6.09 --- Results --- 13.55/6.09 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.55/6.09 - StatisticsResult: Initial Icfg 13.55/6.09 8 locations, 9 edges 13.55/6.09 - StatisticsResult: Encoded RCFG 13.55/6.09 2 locations, 2 edges 13.55/6.09 * Results from de.uni_freiburg.informatik.ultimate.core: 13.55/6.09 - StatisticsResult: Toolchain Benchmarks 13.55/6.09 Benchmark results are: 13.55/6.09 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.55/6.09 * CACSL2BoogieTranslator took 225.36 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.55/6.09 * Boogie Procedure Inliner took 90.87 ms. Allocated memory was 649.6 MB in the beginning and 705.2 MB in the end (delta: 55.6 MB). Free memory was 555.5 MB in the beginning and 671.6 MB in the end (delta: -116.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 13.55/6.09 * Boogie Preprocessor took 20.53 ms. Allocated memory is still 705.2 MB. Free memory was 671.6 MB in the beginning and 669.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 13.55/6.09 * RCFGBuilder took 210.36 ms. Allocated memory is still 705.2 MB. Free memory was 669.8 MB in the beginning and 655.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 13.55/6.09 * BlockEncodingV2 took 93.83 ms. Allocated memory is still 705.2 MB. Free memory was 655.5 MB in the beginning and 650.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 13.55/6.09 * TraceAbstraction took 163.12 ms. Allocated memory is still 705.2 MB. Free memory was 649.0 MB in the beginning and 641.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 13.55/6.09 * BuchiAutomizer took 802.96 ms. Allocated memory is still 705.2 MB. Free memory was 641.0 MB in the beginning and 589.4 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 50.3 GB. 13.55/6.09 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.55/6.09 - AllSpecificationsHoldResult: All specifications hold 13.55/6.09 We were not able to verify any specifiation because the program does not contain any specification. 13.55/6.09 - InvariantResult [Line: 6]: Loop Invariant 13.55/6.09 Derived loop invariant: 1 13.55/6.09 - StatisticsResult: Ultimate Automizer benchmark data 13.55/6.09 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.55/6.09 - StatisticsResult: Constructed decomposition of program 13.55/6.09 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function bound + -1 * i and consists of 2 locations. 13.55/6.09 - StatisticsResult: Timing statistics 13.55/6.09 BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.55/6.09 - TerminationAnalysisResult: Termination proven 13.55/6.09 Buchi Automizer proved that your program is terminating 13.55/6.09 RESULT: Ultimate proved your program to be correct! 13.55/6.09 !SESSION 2019-03-28 12:05:13.399 ----------------------------------------------- 13.55/6.09 eclipse.buildId=unknown 13.55/6.09 java.version=1.8.0_181 13.55/6.09 java.vendor=Oracle Corporation 13.55/6.09 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.55/6.09 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.55/6.09 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.55/6.09 13.55/6.09 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:05:18.631 13.55/6.09 !MESSAGE The workspace will exit with unsaved changes in this session. 13.55/6.09 Received shutdown request... 13.55/6.09 Ultimate: 13.55/6.09 GTK+ Version Check 13.55/6.09 EOF