13.11/6.40 YES 13.11/6.40 13.11/6.40 Ultimate: Cannot open display: 13.11/6.40 This is Ultimate 0.1.24-8dc7c08-m 13.11/6.40 [2019-03-28 11:56:45,866 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.11/6.40 [2019-03-28 11:56:45,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.11/6.40 [2019-03-28 11:56:45,880 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,880 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.11/6.40 [2019-03-28 11:56:45,881 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.11/6.40 [2019-03-28 11:56:45,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.11/6.40 [2019-03-28 11:56:45,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.11/6.40 [2019-03-28 11:56:45,885 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.11/6.40 [2019-03-28 11:56:45,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.11/6.40 [2019-03-28 11:56:45,887 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.11/6.40 [2019-03-28 11:56:45,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.11/6.40 [2019-03-28 11:56:45,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.11/6.40 [2019-03-28 11:56:45,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.11/6.40 [2019-03-28 11:56:45,891 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.11/6.40 [2019-03-28 11:56:45,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.11/6.40 [2019-03-28 11:56:45,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.11/6.40 [2019-03-28 11:56:45,895 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.11/6.40 [2019-03-28 11:56:45,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.11/6.40 [2019-03-28 11:56:45,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.11/6.40 [2019-03-28 11:56:45,899 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.11/6.40 [2019-03-28 11:56:45,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.11/6.40 [2019-03-28 11:56:45,902 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.11/6.40 [2019-03-28 11:56:45,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.11/6.40 [2019-03-28 11:56:45,904 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.11/6.40 [2019-03-28 11:56:45,904 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.11/6.40 [2019-03-28 11:56:45,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.11/6.40 [2019-03-28 11:56:45,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.11/6.40 [2019-03-28 11:56:45,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.11/6.40 [2019-03-28 11:56:45,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.11/6.40 [2019-03-28 11:56:45,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.11/6.40 [2019-03-28 11:56:45,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.11/6.40 [2019-03-28 11:56:45,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.11/6.40 [2019-03-28 11:56:45,910 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.11/6.40 [2019-03-28 11:56:45,925 INFO L110 SettingsManager]: Loading preferences was successful 13.11/6.40 [2019-03-28 11:56:45,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.11/6.40 [2019-03-28 11:56:45,926 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.11/6.40 [2019-03-28 11:56:45,926 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.11/6.40 [2019-03-28 11:56:45,926 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.11/6.40 [2019-03-28 11:56:45,926 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.11/6.40 [2019-03-28 11:56:45,927 INFO L133 SettingsManager]: * Use SBE=true 13.11/6.40 [2019-03-28 11:56:45,927 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.11/6.40 [2019-03-28 11:56:45,927 INFO L133 SettingsManager]: * Use old map elimination=false 13.11/6.40 [2019-03-28 11:56:45,927 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.11/6.40 [2019-03-28 11:56:45,927 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.11/6.40 [2019-03-28 11:56:45,927 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.11/6.40 [2019-03-28 11:56:45,928 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.11/6.40 [2019-03-28 11:56:45,928 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.11/6.40 [2019-03-28 11:56:45,928 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:45,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.11/6.40 [2019-03-28 11:56:45,928 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.11/6.40 [2019-03-28 11:56:45,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.11/6.40 [2019-03-28 11:56:45,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.11/6.40 [2019-03-28 11:56:45,929 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.11/6.40 [2019-03-28 11:56:45,929 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.11/6.40 [2019-03-28 11:56:45,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.11/6.40 [2019-03-28 11:56:45,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.11/6.40 [2019-03-28 11:56:45,930 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.11/6.40 [2019-03-28 11:56:45,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.11/6.40 [2019-03-28 11:56:45,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.11/6.40 [2019-03-28 11:56:45,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.11/6.40 [2019-03-28 11:56:45,930 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.11/6.40 [2019-03-28 11:56:45,930 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.11/6.40 [2019-03-28 11:56:45,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.11/6.40 [2019-03-28 11:56:45,970 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.11/6.40 [2019-03-28 11:56:45,973 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.11/6.40 [2019-03-28 11:56:45,975 INFO L271 PluginConnector]: Initializing CDTParser... 13.11/6.40 [2019-03-28 11:56:45,975 INFO L276 PluginConnector]: CDTParser initialized 13.11/6.40 [2019-03-28 11:56:45,976 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.11/6.40 [2019-03-28 11:56:46,052 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/89302a2f31b64c6bbd679a8696090d9e/FLAG5bdff39f8 13.11/6.40 [2019-03-28 11:56:46,384 INFO L307 CDTParser]: Found 1 translation units. 13.11/6.40 [2019-03-28 11:56:46,384 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.11/6.40 [2019-03-28 11:56:46,391 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/89302a2f31b64c6bbd679a8696090d9e/FLAG5bdff39f8 13.11/6.40 [2019-03-28 11:56:46,799 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/89302a2f31b64c6bbd679a8696090d9e 13.11/6.40 [2019-03-28 11:56:46,810 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.11/6.40 [2019-03-28 11:56:46,811 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.11/6.40 [2019-03-28 11:56:46,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.11/6.40 [2019-03-28 11:56:46,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.11/6.40 [2019-03-28 11:56:46,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.11/6.40 [2019-03-28 11:56:46,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:46" (1/1) ... 13.11/6.40 [2019-03-28 11:56:46,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1bd7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:46, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:46,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:46" (1/1) ... 13.11/6.40 [2019-03-28 11:56:46,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.11/6.40 [2019-03-28 11:56:46,845 INFO L176 MainTranslator]: Built tables and reachable declarations 13.11/6.40 [2019-03-28 11:56:46,998 INFO L206 PostProcessor]: Analyzing one entry point: main 13.11/6.40 [2019-03-28 11:56:47,003 INFO L191 MainTranslator]: Completed pre-run 13.11/6.40 [2019-03-28 11:56:47,018 INFO L206 PostProcessor]: Analyzing one entry point: main 13.11/6.40 [2019-03-28 11:56:47,032 INFO L195 MainTranslator]: Completed translation 13.11/6.40 [2019-03-28 11:56:47,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47 WrapperNode 13.11/6.40 [2019-03-28 11:56:47,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.11/6.40 [2019-03-28 11:56:47,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.11/6.40 [2019-03-28 11:56:47,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.11/6.40 [2019-03-28 11:56:47,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.11/6.40 [2019-03-28 11:56:47,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.11/6.40 [2019-03-28 11:56:47,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.11/6.40 [2019-03-28 11:56:47,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.11/6.40 [2019-03-28 11:56:47,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.11/6.40 [2019-03-28 11:56:47,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.11/6.40 [2019-03-28 11:56:47,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.11/6.40 [2019-03-28 11:56:47,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.11/6.40 [2019-03-28 11:56:47,142 INFO L276 PluginConnector]: RCFGBuilder initialized 13.11/6.40 [2019-03-28 11:56:47,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 13.11/6.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.40 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.11/6.40 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.11/6.40 [2019-03-28 11:56:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.11/6.40 [2019-03-28 11:56:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.11/6.40 [2019-03-28 11:56:47,325 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.11/6.40 [2019-03-28 11:56:47,326 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.11/6.40 [2019-03-28 11:56:47,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47 BoogieIcfgContainer 13.11/6.40 [2019-03-28 11:56:47,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.11/6.40 [2019-03-28 11:56:47,328 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.11/6.40 [2019-03-28 11:56:47,328 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.11/6.40 [2019-03-28 11:56:47,330 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.11/6.40 [2019-03-28 11:56:47,331 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47" (1/1) ... 13.11/6.40 [2019-03-28 11:56:47,345 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 13.11/6.40 [2019-03-28 11:56:47,346 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.11/6.40 [2019-03-28 11:56:47,347 INFO L263 BlockEncoder]: Using Maximize final states 13.11/6.40 [2019-03-28 11:56:47,348 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.11/6.40 [2019-03-28 11:56:47,348 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.11/6.40 [2019-03-28 11:56:47,350 INFO L296 BlockEncoder]: Using Remove sink states 13.11/6.40 [2019-03-28 11:56:47,351 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.11/6.40 [2019-03-28 11:56:47,351 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.11/6.40 [2019-03-28 11:56:47,365 INFO L185 BlockEncoder]: Using Use SBE 13.11/6.40 [2019-03-28 11:56:47,380 INFO L200 BlockEncoder]: SBE split 2 edges 13.11/6.40 [2019-03-28 11:56:47,384 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.11/6.40 [2019-03-28 11:56:47,386 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.11/6.40 [2019-03-28 11:56:47,395 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.11/6.40 [2019-03-28 11:56:47,397 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.11/6.40 [2019-03-28 11:56:47,398 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.11/6.40 [2019-03-28 11:56:47,399 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.11/6.40 [2019-03-28 11:56:47,399 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.11/6.40 [2019-03-28 11:56:47,399 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.11/6.40 [2019-03-28 11:56:47,399 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 13.11/6.40 [2019-03-28 11:56:47,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:47 BasicIcfg 13.11/6.40 [2019-03-28 11:56:47,400 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.11/6.40 [2019-03-28 11:56:47,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.11/6.40 [2019-03-28 11:56:47,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.11/6.40 [2019-03-28 11:56:47,404 INFO L276 PluginConnector]: TraceAbstraction initialized 13.11/6.40 [2019-03-28 11:56:47,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:56:46" (1/4) ... 13.11/6.40 [2019-03-28 11:56:47,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5793b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (2/4) ... 13.11/6.40 [2019-03-28 11:56:47,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5793b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47" (3/4) ... 13.11/6.40 [2019-03-28 11:56:47,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5793b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:47" (4/4) ... 13.11/6.40 [2019-03-28 11:56:47,408 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.11/6.40 [2019-03-28 11:56:47,418 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.11/6.40 [2019-03-28 11:56:47,425 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.11/6.40 [2019-03-28 11:56:47,442 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.11/6.40 [2019-03-28 11:56:47,472 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.11/6.40 [2019-03-28 11:56:47,473 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.11/6.40 [2019-03-28 11:56:47,473 INFO L383 AbstractCegarLoop]: Hoare is true 13.11/6.40 [2019-03-28 11:56:47,474 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.11/6.40 [2019-03-28 11:56:47,474 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.11/6.40 [2019-03-28 11:56:47,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.11/6.40 [2019-03-28 11:56:47,474 INFO L387 AbstractCegarLoop]: Difference is false 13.11/6.40 [2019-03-28 11:56:47,474 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.11/6.40 [2019-03-28 11:56:47,474 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.11/6.40 [2019-03-28 11:56:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.11/6.40 [2019-03-28 11:56:47,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.11/6.40 [2019-03-28 11:56:47,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.11/6.40 [2019-03-28 11:56:47,547 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 20) no Hoare annotation was computed. 13.11/6.40 [2019-03-28 11:56:47,548 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.11/6.40 [2019-03-28 11:56:47,548 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 14 21) the Hoare annotation is: true 13.11/6.40 [2019-03-28 11:56:47,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:47 BasicIcfg 13.11/6.40 [2019-03-28 11:56:47,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.11/6.40 [2019-03-28 11:56:47,557 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.11/6.40 [2019-03-28 11:56:47,557 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.11/6.40 [2019-03-28 11:56:47,560 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.11/6.40 [2019-03-28 11:56:47,561 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.40 [2019-03-28 11:56:47,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:56:46" (1/5) ... 13.11/6.40 [2019-03-28 11:56:47,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4075479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,562 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.40 [2019-03-28 11:56:47,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (2/5) ... 13.11/6.40 [2019-03-28 11:56:47,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4075479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,563 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.40 [2019-03-28 11:56:47,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47" (3/5) ... 13.11/6.40 [2019-03-28 11:56:47,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4075479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,564 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.40 [2019-03-28 11:56:47,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:47" (4/5) ... 13.11/6.40 [2019-03-28 11:56:47,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4075479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:47, skipping insertion in model container 13.11/6.40 [2019-03-28 11:56:47,564 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.40 [2019-03-28 11:56:47,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:47" (5/5) ... 13.11/6.40 [2019-03-28 11:56:47,566 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.11/6.40 [2019-03-28 11:56:47,592 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.11/6.40 [2019-03-28 11:56:47,592 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.11/6.40 [2019-03-28 11:56:47,592 INFO L375 BuchiCegarLoop]: Hoare is true 13.11/6.40 [2019-03-28 11:56:47,593 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.11/6.40 [2019-03-28 11:56:47,593 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.11/6.40 [2019-03-28 11:56:47,593 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.11/6.40 [2019-03-28 11:56:47,594 INFO L379 BuchiCegarLoop]: Difference is false 13.11/6.40 [2019-03-28 11:56:47,594 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.11/6.40 [2019-03-28 11:56:47,595 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.11/6.40 [2019-03-28 11:56:47,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.11/6.40 [2019-03-28 11:56:47,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.40 [2019-03-28 11:56:47,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.11/6.40 [2019-03-28 11:56:47,616 INFO L119 BuchiIsEmpty]: Starting construction of run 13.11/6.40 [2019-03-28 11:56:47,622 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.11/6.40 [2019-03-28 11:56:47,623 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.11/6.40 [2019-03-28 11:56:47,623 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.11/6.40 [2019-03-28 11:56:47,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.11/6.40 [2019-03-28 11:56:47,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.40 [2019-03-28 11:56:47,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.11/6.40 [2019-03-28 11:56:47,624 INFO L119 BuchiIsEmpty]: Starting construction of run 13.11/6.40 [2019-03-28 11:56:47,624 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.11/6.40 [2019-03-28 11:56:47,625 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.11/6.40 [2019-03-28 11:56:47,630 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L15-2true 13.11/6.40 [2019-03-28 11:56:47,630 INFO L796 eck$LassoCheckResult]: Loop: 5#L15-2true [31] L15-2-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 3#L15true [37] L15-->L15-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (= v_ULTIMATE.start_main_~y~0_6 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L15-2true 13.11/6.40 [2019-03-28 11:56:47,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:47,636 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 13.11/6.40 [2019-03-28 11:56:47,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.40 [2019-03-28 11:56:47,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.40 [2019-03-28 11:56:47,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:47,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:47,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1959, now seen corresponding path program 1 times 13.11/6.40 [2019-03-28 11:56:47,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.40 [2019-03-28 11:56:47,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.40 [2019-03-28 11:56:47,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:47,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:47,721 INFO L82 PathProgramCache]: Analyzing trace with hash 55775, now seen corresponding path program 1 times 13.11/6.40 [2019-03-28 11:56:47,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.40 [2019-03-28 11:56:47,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.40 [2019-03-28 11:56:47,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:47,786 INFO L216 LassoAnalysis]: Preferences: 13.11/6.40 [2019-03-28 11:56:47,787 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.40 [2019-03-28 11:56:47,787 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.40 [2019-03-28 11:56:47,787 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.40 [2019-03-28 11:56:47,788 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.11/6.40 [2019-03-28 11:56:47,788 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:47,788 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.40 [2019-03-28 11:56:47,788 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.40 [2019-03-28 11:56:47,788 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.11/6.40 [2019-03-28 11:56:47,788 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.40 [2019-03-28 11:56:47,789 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.40 [2019-03-28 11:56:47,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:47,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:47,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:47,900 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.40 [2019-03-28 11:56:47,900 INFO L412 LassoAnalysis]: Checking for nontermination... 13.11/6.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.40 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.40 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:47,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.11/6.40 [2019-03-28 11:56:47,911 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.40 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.40 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:47,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.11/6.40 [2019-03-28 11:56:47,945 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.40 [2019-03-28 11:56:47,978 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.11/6.40 [2019-03-28 11:56:47,980 INFO L216 LassoAnalysis]: Preferences: 13.11/6.40 [2019-03-28 11:56:47,980 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.40 [2019-03-28 11:56:47,981 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.40 [2019-03-28 11:56:47,981 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.40 [2019-03-28 11:56:47,981 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.11/6.40 [2019-03-28 11:56:47,981 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:47,981 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.40 [2019-03-28 11:56:47,981 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.40 [2019-03-28 11:56:47,981 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.11/6.40 [2019-03-28 11:56:47,982 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.40 [2019-03-28 11:56:47,982 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.40 [2019-03-28 11:56:47,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:47,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,054 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.40 [2019-03-28 11:56:48,059 INFO L497 LassoAnalysis]: Using template 'affine'. 13.11/6.40 [2019-03-28 11:56:48,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.11/6.40 Termination analysis: LINEAR_WITH_GUESSES 13.11/6.40 Number of strict supporting invariants: 0 13.11/6.40 Number of non-strict supporting invariants: 1 13.11/6.40 Consider only non-deceasing supporting invariants: true 13.11/6.40 Simplify termination arguments: true 13.11/6.40 Simplify supporting invariants: trueOverapproximate stem: false 13.11/6.40 [2019-03-28 11:56:48,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.11/6.40 [2019-03-28 11:56:48,063 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.11/6.40 [2019-03-28 11:56:48,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.11/6.40 [2019-03-28 11:56:48,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.11/6.40 [2019-03-28 11:56:48,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.11/6.40 [2019-03-28 11:56:48,067 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.11/6.40 [2019-03-28 11:56:48,067 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.11/6.40 [2019-03-28 11:56:48,075 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.11/6.40 [2019-03-28 11:56:48,081 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.11/6.40 [2019-03-28 11:56:48,082 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.11/6.40 [2019-03-28 11:56:48,084 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.11/6.40 [2019-03-28 11:56:48,084 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.11/6.40 [2019-03-28 11:56:48,085 INFO L518 LassoAnalysis]: Proved termination. 13.11/6.40 [2019-03-28 11:56:48,085 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.11/6.40 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 13.11/6.40 Supporting invariants [] 13.11/6.40 [2019-03-28 11:56:48,087 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.11/6.40 [2019-03-28 11:56:48,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.40 [2019-03-28 11:56:48,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.11/6.40 [2019-03-28 11:56:48,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.40 [2019-03-28 11:56:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.40 [2019-03-28 11:56:48,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 13.11/6.40 [2019-03-28 11:56:48,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.40 [2019-03-28 11:56:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.11/6.40 [2019-03-28 11:56:48,190 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.11/6.40 [2019-03-28 11:56:48,196 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 13.11/6.40 [2019-03-28 11:56:48,197 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.11/6.40 [2019-03-28 11:56:48,230 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 12 transitions. Complement of second has 4 states. 13.11/6.40 [2019-03-28 11:56:48,231 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 13.11/6.40 [2019-03-28 11:56:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.11/6.40 [2019-03-28 11:56:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 13.11/6.40 [2019-03-28 11:56:48,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 13.11/6.40 [2019-03-28 11:56:48,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.40 [2019-03-28 11:56:48,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 13.11/6.40 [2019-03-28 11:56:48,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.40 [2019-03-28 11:56:48,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 13.11/6.40 [2019-03-28 11:56:48,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.40 [2019-03-28 11:56:48,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. 13.11/6.40 [2019-03-28 11:56:48,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.40 [2019-03-28 11:56:48,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 12 transitions. 13.11/6.40 [2019-03-28 11:56:48,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.11/6.40 [2019-03-28 11:56:48,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 13.11/6.40 [2019-03-28 11:56:48,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 12 transitions. 13.11/6.40 [2019-03-28 11:56:48,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.11/6.40 [2019-03-28 11:56:48,250 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. 13.11/6.40 [2019-03-28 11:56:48,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 12 transitions. 13.11/6.40 [2019-03-28 11:56:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 13.11/6.40 [2019-03-28 11:56:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 13.11/6.40 [2019-03-28 11:56:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 13.11/6.40 [2019-03-28 11:56:48,278 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.11/6.40 [2019-03-28 11:56:48,278 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.11/6.40 [2019-03-28 11:56:48,278 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.11/6.40 [2019-03-28 11:56:48,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 13.11/6.40 [2019-03-28 11:56:48,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.40 [2019-03-28 11:56:48,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.11/6.40 [2019-03-28 11:56:48,279 INFO L119 BuchiIsEmpty]: Starting construction of run 13.11/6.40 [2019-03-28 11:56:48,280 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.11/6.40 [2019-03-28 11:56:48,280 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.11/6.40 [2019-03-28 11:56:48,280 INFO L794 eck$LassoCheckResult]: Stem: 49#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 50#L15-2 [31] L15-2-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 44#L15 13.11/6.40 [2019-03-28 11:56:48,281 INFO L796 eck$LassoCheckResult]: Loop: 44#L15 [25] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0] 45#L15-2 [31] L15-2-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 44#L15 13.11/6.40 [2019-03-28 11:56:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:48,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times 13.11/6.40 [2019-03-28 11:56:48,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.40 [2019-03-28 11:56:48,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.40 [2019-03-28 11:56:48,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:48,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:48,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1767, now seen corresponding path program 1 times 13.11/6.40 [2019-03-28 11:56:48,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.40 [2019-03-28 11:56:48,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.40 [2019-03-28 11:56:48,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:48,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:48,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1728684, now seen corresponding path program 1 times 13.11/6.40 [2019-03-28 11:56:48,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.40 [2019-03-28 11:56:48,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.40 [2019-03-28 11:56:48,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.40 [2019-03-28 11:56:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.40 [2019-03-28 11:56:48,323 INFO L216 LassoAnalysis]: Preferences: 13.11/6.40 [2019-03-28 11:56:48,324 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.40 [2019-03-28 11:56:48,324 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.40 [2019-03-28 11:56:48,324 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.40 [2019-03-28 11:56:48,324 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.11/6.40 [2019-03-28 11:56:48,324 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:48,324 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.40 [2019-03-28 11:56:48,324 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.40 [2019-03-28 11:56:48,325 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.11/6.40 [2019-03-28 11:56:48,325 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.40 [2019-03-28 11:56:48,325 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.40 [2019-03-28 11:56:48,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,368 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.40 [2019-03-28 11:56:48,369 INFO L412 LassoAnalysis]: Checking for nontermination... 13.11/6.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.40 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.40 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:48,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.11/6.40 [2019-03-28 11:56:48,372 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.40 [2019-03-28 11:56:48,402 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.11/6.40 [2019-03-28 11:56:48,402 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.11/6.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.40 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.40 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:48,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.11/6.40 [2019-03-28 11:56:48,407 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.40 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.40 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.40 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:48,443 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.11/6.40 [2019-03-28 11:56:48,444 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.40 [2019-03-28 11:56:48,523 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.11/6.40 [2019-03-28 11:56:48,525 INFO L216 LassoAnalysis]: Preferences: 13.11/6.40 [2019-03-28 11:56:48,525 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.40 [2019-03-28 11:56:48,525 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.40 [2019-03-28 11:56:48,525 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.40 [2019-03-28 11:56:48,525 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.11/6.40 [2019-03-28 11:56:48,526 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.11/6.40 [2019-03-28 11:56:48,526 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.40 [2019-03-28 11:56:48,526 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.40 [2019-03-28 11:56:48,526 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.11/6.40 [2019-03-28 11:56:48,526 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.40 [2019-03-28 11:56:48,526 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.40 [2019-03-28 11:56:48,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.40 [2019-03-28 11:56:48,572 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.40 [2019-03-28 11:56:48,572 INFO L497 LassoAnalysis]: Using template 'affine'. 13.11/6.40 [2019-03-28 11:56:48,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.11/6.40 Termination analysis: LINEAR_WITH_GUESSES 13.11/6.40 Number of strict supporting invariants: 0 13.11/6.40 Number of non-strict supporting invariants: 1 13.11/6.40 Consider only non-deceasing supporting invariants: true 13.11/6.40 Simplify termination arguments: true 13.11/6.40 Simplify supporting invariants: trueOverapproximate stem: false 13.11/6.40 [2019-03-28 11:56:48,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.11/6.40 [2019-03-28 11:56:48,574 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.11/6.40 [2019-03-28 11:56:48,574 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.11/6.40 [2019-03-28 11:56:48,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.11/6.40 [2019-03-28 11:56:48,575 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.11/6.40 [2019-03-28 11:56:48,575 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.11/6.40 [2019-03-28 11:56:48,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.11/6.40 [2019-03-28 11:56:48,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.11/6.40 [2019-03-28 11:56:48,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.11/6.40 Termination analysis: LINEAR_WITH_GUESSES 13.11/6.40 Number of strict supporting invariants: 0 13.11/6.40 Number of non-strict supporting invariants: 1 13.11/6.40 Consider only non-deceasing supporting invariants: true 13.11/6.40 Simplify termination arguments: true 13.11/6.40 Simplify supporting invariants: trueOverapproximate stem: false 13.11/6.40 [2019-03-28 11:56:48,579 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.11/6.40 [2019-03-28 11:56:48,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.11/6.40 [2019-03-28 11:56:48,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.11/6.40 [2019-03-28 11:56:48,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.11/6.40 [2019-03-28 11:56:48,580 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.11/6.40 [2019-03-28 11:56:48,581 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.11/6.40 [2019-03-28 11:56:48,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.11/6.40 [2019-03-28 11:56:48,586 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.11/6.40 [2019-03-28 11:56:48,589 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.11/6.40 [2019-03-28 11:56:48,589 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.11/6.40 [2019-03-28 11:56:48,590 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.11/6.40 [2019-03-28 11:56:48,590 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.11/6.40 [2019-03-28 11:56:48,590 INFO L518 LassoAnalysis]: Proved termination. 13.11/6.40 [2019-03-28 11:56:48,590 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.11/6.40 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 13.11/6.40 Supporting invariants [] 13.11/6.40 [2019-03-28 11:56:48,591 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.11/6.40 [2019-03-28 11:56:48,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.40 [2019-03-28 11:56:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.40 [2019-03-28 11:56:48,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 13.11/6.40 [2019-03-28 11:56:48,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.40 [2019-03-28 11:56:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.40 [2019-03-28 11:56:48,612 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.11/6.40 [2019-03-28 11:56:48,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.40 [2019-03-28 11:56:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.11/6.40 [2019-03-28 11:56:48,632 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.11/6.40 [2019-03-28 11:56:48,633 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 13.11/6.40 [2019-03-28 11:56:48,633 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6 Second operand 3 states. 13.11/6.40 [2019-03-28 11:56:48,659 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 10 states and 15 transitions. Complement of second has 4 states. 13.11/6.40 [2019-03-28 11:56:48,659 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 13.11/6.40 [2019-03-28 11:56:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.11/6.40 [2019-03-28 11:56:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 13.11/6.40 [2019-03-28 11:56:48,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 13.11/6.40 [2019-03-28 11:56:48,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.40 [2019-03-28 11:56:48,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 13.11/6.40 [2019-03-28 11:56:48,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.40 [2019-03-28 11:56:48,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. 13.11/6.40 [2019-03-28 11:56:48,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.40 [2019-03-28 11:56:48,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. 13.11/6.40 [2019-03-28 11:56:48,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.11/6.40 [2019-03-28 11:56:48,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 13.11/6.40 [2019-03-28 11:56:48,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.11/6.40 [2019-03-28 11:56:48,665 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.11/6.40 [2019-03-28 11:56:48,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.11/6.40 [2019-03-28 11:56:48,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.11/6.40 [2019-03-28 11:56:48,665 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.11/6.40 [2019-03-28 11:56:48,665 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.11/6.40 [2019-03-28 11:56:48,665 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.11/6.40 [2019-03-28 11:56:48,665 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.11/6.40 [2019-03-28 11:56:48,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.11/6.40 [2019-03-28 11:56:48,666 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.11/6.40 [2019-03-28 11:56:48,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.11/6.40 [2019-03-28 11:56:48,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:48 BasicIcfg 13.11/6.40 [2019-03-28 11:56:48,672 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.11/6.40 [2019-03-28 11:56:48,673 INFO L168 Benchmark]: Toolchain (without parser) took 1862.40 ms. Allocated memory was 649.6 MB in the beginning and 671.6 MB in the end (delta: 22.0 MB). Free memory was 564.9 MB in the beginning and 498.4 MB in the end (delta: 66.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,675 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.03 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.38 ms. Allocated memory was 649.6 MB in the beginning and 671.6 MB in the end (delta: 22.0 MB). Free memory was 555.3 MB in the beginning and 636.8 MB in the end (delta: -81.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,677 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 ms. Allocated memory is still 671.6 MB. Free memory was 636.8 MB in the beginning and 635.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,677 INFO L168 Benchmark]: RCFGBuilder took 185.31 ms. Allocated memory is still 671.6 MB. Free memory was 635.1 MB in the beginning and 622.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,678 INFO L168 Benchmark]: BlockEncodingV2 took 72.47 ms. Allocated memory is still 671.6 MB. Free memory was 622.1 MB in the beginning and 616.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,678 INFO L168 Benchmark]: TraceAbstraction took 155.22 ms. Allocated memory is still 671.6 MB. Free memory was 616.7 MB in the beginning and 607.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,679 INFO L168 Benchmark]: BuchiAutomizer took 1115.64 ms. Allocated memory is still 671.6 MB. Free memory was 607.3 MB in the beginning and 498.4 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 50.3 GB. 13.11/6.40 [2019-03-28 11:56:48,683 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.11/6.40 --- Results --- 13.11/6.40 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.11/6.40 - StatisticsResult: Initial Icfg 13.11/6.40 7 locations, 9 edges 13.11/6.40 - StatisticsResult: Encoded RCFG 13.11/6.40 3 locations, 5 edges 13.11/6.40 * Results from de.uni_freiburg.informatik.ultimate.core: 13.11/6.40 - StatisticsResult: Toolchain Benchmarks 13.11/6.40 Benchmark results are: 13.11/6.40 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.11/6.40 * CACSL2BoogieTranslator took 221.03 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 13.11/6.40 * Boogie Procedure Inliner took 88.38 ms. Allocated memory was 649.6 MB in the beginning and 671.6 MB in the end (delta: 22.0 MB). Free memory was 555.3 MB in the beginning and 636.8 MB in the end (delta: -81.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.11/6.40 * Boogie Preprocessor took 19.10 ms. Allocated memory is still 671.6 MB. Free memory was 636.8 MB in the beginning and 635.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 13.11/6.40 * RCFGBuilder took 185.31 ms. Allocated memory is still 671.6 MB. Free memory was 635.1 MB in the beginning and 622.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.11/6.40 * BlockEncodingV2 took 72.47 ms. Allocated memory is still 671.6 MB. Free memory was 622.1 MB in the beginning and 616.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.11/6.40 * TraceAbstraction took 155.22 ms. Allocated memory is still 671.6 MB. Free memory was 616.7 MB in the beginning and 607.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.11/6.40 * BuchiAutomizer took 1115.64 ms. Allocated memory is still 671.6 MB. Free memory was 607.3 MB in the beginning and 498.4 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 50.3 GB. 13.11/6.40 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.11/6.40 - AllSpecificationsHoldResult: All specifications hold 13.11/6.40 We were not able to verify any specifiation because the program does not contain any specification. 13.11/6.40 - InvariantResult [Line: 14]: Loop Invariant 13.11/6.40 Derived loop invariant: 1 13.11/6.40 - StatisticsResult: Ultimate Automizer benchmark data 13.11/6.40 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 13.11/6.40 - StatisticsResult: Constructed decomposition of program 13.11/6.40 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 13.11/6.40 - StatisticsResult: Timing statistics 13.11/6.40 BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 1 SDs, 0 SdLazy, 24 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.11/6.40 - TerminationAnalysisResult: Termination proven 13.11/6.40 Buchi Automizer proved that your program is terminating 13.11/6.40 RESULT: Ultimate proved your program to be correct! 13.11/6.40 !SESSION 2019-03-28 11:56:43.567 ----------------------------------------------- 13.11/6.40 eclipse.buildId=unknown 13.11/6.40 java.version=1.8.0_181 13.11/6.40 java.vendor=Oracle Corporation 13.11/6.40 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.11/6.40 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.11/6.40 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 13.11/6.40 13.11/6.40 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:56:48.917 13.11/6.40 !MESSAGE The workspace will exit with unsaved changes in this session. 13.11/6.40 Received shutdown request... 13.11/6.40 Ultimate: 13.11/6.40 GTK+ Version Check 13.11/6.40 EOF