15.50/7.32 NO 15.50/7.32 15.50/7.32 Ultimate: Cannot open display: 15.50/7.32 This is Ultimate 0.1.24-8dc7c08-m 15.50/7.32 [2019-03-29 01:42:44,833 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.50/7.32 [2019-03-29 01:42:44,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.50/7.32 [2019-03-29 01:42:44,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.50/7.32 [2019-03-29 01:42:44,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.50/7.32 [2019-03-29 01:42:44,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.50/7.32 [2019-03-29 01:42:44,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.50/7.32 [2019-03-29 01:42:44,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.50/7.32 [2019-03-29 01:42:44,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.50/7.32 [2019-03-29 01:42:44,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,855 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.50/7.32 [2019-03-29 01:42:44,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.50/7.32 [2019-03-29 01:42:44,856 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.50/7.32 [2019-03-29 01:42:44,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.50/7.32 [2019-03-29 01:42:44,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.50/7.32 [2019-03-29 01:42:44,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.50/7.32 [2019-03-29 01:42:44,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.50/7.32 [2019-03-29 01:42:44,862 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.50/7.32 [2019-03-29 01:42:44,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.50/7.32 [2019-03-29 01:42:44,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.50/7.32 [2019-03-29 01:42:44,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.50/7.32 [2019-03-29 01:42:44,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.50/7.32 [2019-03-29 01:42:44,869 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.50/7.32 [2019-03-29 01:42:44,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.50/7.32 [2019-03-29 01:42:44,871 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.50/7.32 [2019-03-29 01:42:44,872 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.50/7.32 [2019-03-29 01:42:44,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.50/7.32 [2019-03-29 01:42:44,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.50/7.32 [2019-03-29 01:42:44,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.50/7.32 [2019-03-29 01:42:44,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.50/7.32 [2019-03-29 01:42:44,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.50/7.32 [2019-03-29 01:42:44,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.50/7.32 [2019-03-29 01:42:44,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.50/7.32 [2019-03-29 01:42:44,877 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.50/7.32 [2019-03-29 01:42:44,891 INFO L110 SettingsManager]: Loading preferences was successful 15.50/7.32 [2019-03-29 01:42:44,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.50/7.32 [2019-03-29 01:42:44,893 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.50/7.32 [2019-03-29 01:42:44,893 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.50/7.32 [2019-03-29 01:42:44,893 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.50/7.32 [2019-03-29 01:42:44,893 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.50/7.32 [2019-03-29 01:42:44,894 INFO L133 SettingsManager]: * Use SBE=true 15.50/7.32 [2019-03-29 01:42:44,894 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.50/7.32 [2019-03-29 01:42:44,894 INFO L133 SettingsManager]: * Use old map elimination=false 15.50/7.32 [2019-03-29 01:42:44,894 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.50/7.32 [2019-03-29 01:42:44,894 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.50/7.32 [2019-03-29 01:42:44,894 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.50/7.32 [2019-03-29 01:42:44,895 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.50/7.32 [2019-03-29 01:42:44,895 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.50/7.32 [2019-03-29 01:42:44,895 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:44,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.50/7.32 [2019-03-29 01:42:44,895 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.50/7.32 [2019-03-29 01:42:44,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.50/7.32 [2019-03-29 01:42:44,896 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.50/7.32 [2019-03-29 01:42:44,896 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.50/7.32 [2019-03-29 01:42:44,896 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.50/7.32 [2019-03-29 01:42:44,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.50/7.32 [2019-03-29 01:42:44,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.50/7.32 [2019-03-29 01:42:44,896 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.50/7.32 [2019-03-29 01:42:44,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.50/7.32 [2019-03-29 01:42:44,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.50/7.32 [2019-03-29 01:42:44,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.50/7.32 [2019-03-29 01:42:44,897 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.50/7.32 [2019-03-29 01:42:44,897 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.50/7.32 [2019-03-29 01:42:44,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.50/7.32 [2019-03-29 01:42:44,936 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.50/7.32 [2019-03-29 01:42:44,939 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.50/7.32 [2019-03-29 01:42:44,941 INFO L271 PluginConnector]: Initializing CDTParser... 15.50/7.32 [2019-03-29 01:42:44,941 INFO L276 PluginConnector]: CDTParser initialized 15.50/7.32 [2019-03-29 01:42:44,942 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.50/7.32 [2019-03-29 01:42:45,016 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/4b3ab66eef9c48e7ae91ad38de4cd71f/FLAG2617019b5 15.50/7.32 [2019-03-29 01:42:45,351 INFO L307 CDTParser]: Found 1 translation units. 15.50/7.32 [2019-03-29 01:42:45,351 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.50/7.32 [2019-03-29 01:42:45,358 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/4b3ab66eef9c48e7ae91ad38de4cd71f/FLAG2617019b5 15.50/7.32 [2019-03-29 01:42:45,767 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/4b3ab66eef9c48e7ae91ad38de4cd71f 15.50/7.32 [2019-03-29 01:42:45,778 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.50/7.32 [2019-03-29 01:42:45,780 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.50/7.32 [2019-03-29 01:42:45,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.50/7.32 [2019-03-29 01:42:45,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.50/7.32 [2019-03-29 01:42:45,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.50/7.32 [2019-03-29 01:42:45,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:42:45" (1/1) ... 15.50/7.32 [2019-03-29 01:42:45,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15140fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:45, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:45,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:42:45" (1/1) ... 15.50/7.32 [2019-03-29 01:42:45,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.50/7.32 [2019-03-29 01:42:45,814 INFO L176 MainTranslator]: Built tables and reachable declarations 15.50/7.32 [2019-03-29 01:42:45,973 INFO L206 PostProcessor]: Analyzing one entry point: main 15.50/7.32 [2019-03-29 01:42:45,977 INFO L191 MainTranslator]: Completed pre-run 15.50/7.32 [2019-03-29 01:42:45,994 INFO L206 PostProcessor]: Analyzing one entry point: main 15.50/7.32 [2019-03-29 01:42:46,071 INFO L195 MainTranslator]: Completed translation 15.50/7.32 [2019-03-29 01:42:46,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46 WrapperNode 15.50/7.32 [2019-03-29 01:42:46,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.50/7.32 [2019-03-29 01:42:46,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.50/7.32 [2019-03-29 01:42:46,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.50/7.32 [2019-03-29 01:42:46,073 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.50/7.32 [2019-03-29 01:42:46,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.50/7.32 [2019-03-29 01:42:46,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.50/7.32 [2019-03-29 01:42:46,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.50/7.32 [2019-03-29 01:42:46,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.50/7.32 [2019-03-29 01:42:46,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.50/7.32 [2019-03-29 01:42:46,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.50/7.32 [2019-03-29 01:42:46,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.50/7.32 [2019-03-29 01:42:46,132 INFO L276 PluginConnector]: RCFGBuilder initialized 15.50/7.32 [2019-03-29 01:42:46,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (1/1) ... 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.50/7.32 [2019-03-29 01:42:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.50/7.32 [2019-03-29 01:42:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.50/7.32 [2019-03-29 01:42:46,341 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.50/7.32 [2019-03-29 01:42:46,341 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.50/7.32 [2019-03-29 01:42:46,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:46 BoogieIcfgContainer 15.50/7.32 [2019-03-29 01:42:46,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.50/7.32 [2019-03-29 01:42:46,343 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.50/7.32 [2019-03-29 01:42:46,343 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.50/7.32 [2019-03-29 01:42:46,346 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.50/7.32 [2019-03-29 01:42:46,346 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:46" (1/1) ... 15.50/7.32 [2019-03-29 01:42:46,361 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges 15.50/7.32 [2019-03-29 01:42:46,362 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.50/7.32 [2019-03-29 01:42:46,363 INFO L263 BlockEncoder]: Using Maximize final states 15.50/7.32 [2019-03-29 01:42:46,364 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.50/7.32 [2019-03-29 01:42:46,364 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.50/7.32 [2019-03-29 01:42:46,366 INFO L296 BlockEncoder]: Using Remove sink states 15.50/7.32 [2019-03-29 01:42:46,367 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.50/7.32 [2019-03-29 01:42:46,367 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.50/7.32 [2019-03-29 01:42:46,382 INFO L185 BlockEncoder]: Using Use SBE 15.50/7.32 [2019-03-29 01:42:46,396 INFO L200 BlockEncoder]: SBE split 2 edges 15.50/7.32 [2019-03-29 01:42:46,401 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.50/7.32 [2019-03-29 01:42:46,403 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.50/7.32 [2019-03-29 01:42:46,418 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.50/7.32 [2019-03-29 01:42:46,420 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 15.50/7.32 [2019-03-29 01:42:46,422 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.50/7.32 [2019-03-29 01:42:46,422 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.50/7.32 [2019-03-29 01:42:46,422 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.50/7.32 [2019-03-29 01:42:46,423 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.50/7.32 [2019-03-29 01:42:46,423 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 9 edges 15.50/7.32 [2019-03-29 01:42:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:42:46 BasicIcfg 15.50/7.32 [2019-03-29 01:42:46,424 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.50/7.32 [2019-03-29 01:42:46,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.50/7.32 [2019-03-29 01:42:46,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.50/7.32 [2019-03-29 01:42:46,428 INFO L276 PluginConnector]: TraceAbstraction initialized 15.50/7.32 [2019-03-29 01:42:46,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:42:45" (1/4) ... 15.50/7.32 [2019-03-29 01:42:46,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d8de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (2/4) ... 15.50/7.32 [2019-03-29 01:42:46,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d8de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:46" (3/4) ... 15.50/7.32 [2019-03-29 01:42:46,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d8de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:42:46" (4/4) ... 15.50/7.32 [2019-03-29 01:42:46,432 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.50/7.32 [2019-03-29 01:42:46,442 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.50/7.32 [2019-03-29 01:42:46,451 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.50/7.32 [2019-03-29 01:42:46,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.50/7.32 [2019-03-29 01:42:46,498 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.50/7.32 [2019-03-29 01:42:46,498 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.50/7.32 [2019-03-29 01:42:46,499 INFO L383 AbstractCegarLoop]: Hoare is true 15.50/7.32 [2019-03-29 01:42:46,499 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.50/7.32 [2019-03-29 01:42:46,499 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.50/7.32 [2019-03-29 01:42:46,499 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.50/7.32 [2019-03-29 01:42:46,499 INFO L387 AbstractCegarLoop]: Difference is false 15.50/7.32 [2019-03-29 01:42:46,499 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.50/7.32 [2019-03-29 01:42:46,500 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.50/7.32 [2019-03-29 01:42:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 15.50/7.32 [2019-03-29 01:42:46,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.50/7.32 [2019-03-29 01:42:46,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 15.50/7.32 [2019-03-29 01:42:46,574 INFO L451 ceAbstractionStarter]: At program point L16-1(lines 9 20) the Hoare annotation is: true 15.50/7.32 [2019-03-29 01:42:46,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.50/7.32 [2019-03-29 01:42:46,574 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 9 20) no Hoare annotation was computed. 15.50/7.32 [2019-03-29 01:42:46,574 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. 15.50/7.32 [2019-03-29 01:42:46,575 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 9 20) no Hoare annotation was computed. 15.50/7.32 [2019-03-29 01:42:46,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:42:46 BasicIcfg 15.50/7.32 [2019-03-29 01:42:46,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.50/7.32 [2019-03-29 01:42:46,584 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.50/7.32 [2019-03-29 01:42:46,584 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.50/7.32 [2019-03-29 01:42:46,587 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.50/7.32 [2019-03-29 01:42:46,588 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.50/7.32 [2019-03-29 01:42:46,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:42:45" (1/5) ... 15.50/7.32 [2019-03-29 01:42:46,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eb15cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.50/7.32 [2019-03-29 01:42:46,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:42:46" (2/5) ... 15.50/7.32 [2019-03-29 01:42:46,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eb15cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.50/7.32 [2019-03-29 01:42:46,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:42:46" (3/5) ... 15.50/7.32 [2019-03-29 01:42:46,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eb15cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.50/7.32 [2019-03-29 01:42:46,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:42:46" (4/5) ... 15.50/7.32 [2019-03-29 01:42:46,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eb15cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:42:46, skipping insertion in model container 15.50/7.32 [2019-03-29 01:42:46,591 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.50/7.32 [2019-03-29 01:42:46,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:42:46" (5/5) ... 15.50/7.32 [2019-03-29 01:42:46,593 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.50/7.32 [2019-03-29 01:42:46,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.50/7.32 [2019-03-29 01:42:46,620 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.50/7.32 [2019-03-29 01:42:46,620 INFO L375 BuchiCegarLoop]: Hoare is true 15.50/7.32 [2019-03-29 01:42:46,620 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.50/7.32 [2019-03-29 01:42:46,620 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.50/7.32 [2019-03-29 01:42:46,620 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.50/7.32 [2019-03-29 01:42:46,620 INFO L379 BuchiCegarLoop]: Difference is false 15.50/7.32 [2019-03-29 01:42:46,621 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.50/7.32 [2019-03-29 01:42:46,621 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.50/7.32 [2019-03-29 01:42:46,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.50/7.32 [2019-03-29 01:42:46,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.50/7.32 [2019-03-29 01:42:46,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.50/7.32 [2019-03-29 01:42:46,642 INFO L119 BuchiIsEmpty]: Starting construction of run 15.50/7.32 [2019-03-29 01:42:46,649 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.50/7.32 [2019-03-29 01:42:46,649 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.50/7.32 [2019-03-29 01:42:46,650 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.50/7.32 [2019-03-29 01:42:46,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.50/7.32 [2019-03-29 01:42:46,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.50/7.32 [2019-03-29 01:42:46,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.50/7.32 [2019-03-29 01:42:46,651 INFO L119 BuchiIsEmpty]: Starting construction of run 15.50/7.32 [2019-03-29 01:42:46,651 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.50/7.32 [2019-03-29 01:42:46,651 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.50/7.32 [2019-03-29 01:42:46,656 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L16-1: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 3#L16-1true 15.50/7.32 [2019-03-29 01:42:46,657 INFO L796 eck$LassoCheckResult]: Loop: 3#L16-1true [38] L16-1-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (< v_ULTIMATE.start_main_~i~0_7 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 4#L10true [50] L10-->L10-2: Formula: (>= v_ULTIMATE.start_main_~i~0_10 20) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 7#L10-2true [51] L10-2-->L13-1: Formula: (>= 10 v_ULTIMATE.start_main_~i~0_13) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 6#L13-1true [55] L13-1-->L16-1: Formula: (> v_ULTIMATE.start_main_~i~0_16 40) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16} AuxVars[] AssignedVars[] 3#L16-1true 15.50/7.32 [2019-03-29 01:42:46,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:46,663 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:46,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:46,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:46,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:46,735 INFO L82 PathProgramCache]: Analyzing trace with hash 2105265, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:46,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:46,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:46,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.50/7.32 [2019-03-29 01:42:46,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.50/7.32 [2019-03-29 01:42:46,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 15.50/7.32 [2019-03-29 01:42:46,791 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.50/7.32 [2019-03-29 01:42:46,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.50/7.32 [2019-03-29 01:42:46,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.50/7.32 [2019-03-29 01:42:46,809 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. 15.50/7.32 [2019-03-29 01:42:46,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.50/7.32 [2019-03-29 01:42:46,865 INFO L93 Difference]: Finished difference Result 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.50/7.32 [2019-03-29 01:42:46,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.50/7.32 [2019-03-29 01:42:46,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 15.50/7.32 [2019-03-29 01:42:46,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 15.50/7.32 [2019-03-29 01:42:46,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.50/7.32 [2019-03-29 01:42:46,877 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. 15.50/7.32 [2019-03-29 01:42:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 15.50/7.32 [2019-03-29 01:42:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,908 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,908 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,908 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.50/7.32 [2019-03-29 01:42:46,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. 15.50/7.32 [2019-03-29 01:42:46,909 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.50/7.32 [2019-03-29 01:42:46,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.50/7.32 [2019-03-29 01:42:46,909 INFO L119 BuchiIsEmpty]: Starting construction of run 15.50/7.32 [2019-03-29 01:42:46,910 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.50/7.32 [2019-03-29 01:42:46,910 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.50/7.32 [2019-03-29 01:42:46,910 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L16-1: Formula: (= v_ULTIMATE.start_main_~i~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_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 27#L16-1 15.50/7.32 [2019-03-29 01:42:46,911 INFO L796 eck$LassoCheckResult]: Loop: 27#L16-1 [38] L16-1-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (< v_ULTIMATE.start_main_~i~0_7 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 29#L10 [39] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 20) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (- 1)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 30#L10-2 [51] L10-2-->L13-1: Formula: (>= 10 v_ULTIMATE.start_main_~i~0_13) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 31#L13-1 [56] L13-1-->L16-1: Formula: (> 30 v_ULTIMATE.start_main_~i~0_16) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16} AuxVars[] AssignedVars[] 27#L16-1 15.50/7.32 [2019-03-29 01:42:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:46,911 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 2 times 15.50/7.32 [2019-03-29 01:42:46,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:46,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:46,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:46,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2094695, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:46,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:46,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:46,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,919 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:46,929 INFO L82 PathProgramCache]: Analyzing trace with hash 67664686, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:46,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:46,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:46,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:46,990 INFO L216 LassoAnalysis]: Preferences: 15.50/7.32 [2019-03-29 01:42:46,991 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.50/7.32 [2019-03-29 01:42:46,991 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.50/7.32 [2019-03-29 01:42:46,992 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.50/7.32 [2019-03-29 01:42:46,992 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.50/7.32 [2019-03-29 01:42:46,992 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:46,992 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.50/7.32 [2019-03-29 01:42:46,992 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.50/7.32 [2019-03-29 01:42:46,992 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.50/7.32 [2019-03-29 01:42:46,993 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.50/7.32 [2019-03-29 01:42:46,993 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.50/7.32 [2019-03-29 01:42:47,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,115 INFO L300 LassoAnalysis]: Preprocessing complete. 15.50/7.32 [2019-03-29 01:42:47,116 INFO L412 LassoAnalysis]: Checking for nontermination... 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,125 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 [2019-03-29 01:42:47,159 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.50/7.32 [2019-03-29 01:42:47,159 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,166 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,166 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 [2019-03-29 01:42:47,194 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.50/7.32 [2019-03-29 01:42:47,194 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,200 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,200 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,231 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,232 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 [2019-03-29 01:42:47,263 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.50/7.32 [2019-03-29 01:42:47,265 INFO L216 LassoAnalysis]: Preferences: 15.50/7.32 [2019-03-29 01:42:47,265 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.50/7.32 [2019-03-29 01:42:47,266 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.50/7.32 [2019-03-29 01:42:47,266 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.50/7.32 [2019-03-29 01:42:47,266 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.50/7.32 [2019-03-29 01:42:47,266 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,266 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.50/7.32 [2019-03-29 01:42:47,266 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.50/7.32 [2019-03-29 01:42:47,266 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.50/7.32 [2019-03-29 01:42:47,267 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.50/7.32 [2019-03-29 01:42:47,267 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.50/7.32 [2019-03-29 01:42:47,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,343 INFO L300 LassoAnalysis]: Preprocessing complete. 15.50/7.32 [2019-03-29 01:42:47,349 INFO L497 LassoAnalysis]: Using template 'affine'. 15.50/7.32 [2019-03-29 01:42:47,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.50/7.32 Termination analysis: LINEAR_WITH_GUESSES 15.50/7.32 Number of strict supporting invariants: 0 15.50/7.32 Number of non-strict supporting invariants: 1 15.50/7.32 Consider only non-deceasing supporting invariants: true 15.50/7.32 Simplify termination arguments: true 15.50/7.32 Simplify supporting invariants: trueOverapproximate stem: false 15.50/7.32 [2019-03-29 01:42:47,368 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.50/7.32 [2019-03-29 01:42:47,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.50/7.32 [2019-03-29 01:42:47,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.50/7.32 [2019-03-29 01:42:47,368 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.50/7.32 [2019-03-29 01:42:47,373 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.50/7.32 [2019-03-29 01:42:47,373 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.50/7.32 [2019-03-29 01:42:47,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.50/7.32 [2019-03-29 01:42:47,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.50/7.32 Termination analysis: LINEAR_WITH_GUESSES 15.50/7.32 Number of strict supporting invariants: 0 15.50/7.32 Number of non-strict supporting invariants: 1 15.50/7.32 Consider only non-deceasing supporting invariants: true 15.50/7.32 Simplify termination arguments: true 15.50/7.32 Simplify supporting invariants: trueOverapproximate stem: false 15.50/7.32 [2019-03-29 01:42:47,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.50/7.32 [2019-03-29 01:42:47,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.50/7.32 [2019-03-29 01:42:47,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.50/7.32 [2019-03-29 01:42:47,383 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.50/7.32 [2019-03-29 01:42:47,385 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.50/7.32 [2019-03-29 01:42:47,385 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.50/7.32 [2019-03-29 01:42:47,394 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.50/7.32 [2019-03-29 01:42:47,394 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.50/7.32 Termination analysis: LINEAR_WITH_GUESSES 15.50/7.32 Number of strict supporting invariants: 0 15.50/7.32 Number of non-strict supporting invariants: 1 15.50/7.32 Consider only non-deceasing supporting invariants: true 15.50/7.32 Simplify termination arguments: true 15.50/7.32 Simplify supporting invariants: trueOverapproximate stem: false 15.50/7.32 [2019-03-29 01:42:47,395 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.50/7.32 [2019-03-29 01:42:47,395 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.50/7.32 [2019-03-29 01:42:47,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.50/7.32 [2019-03-29 01:42:47,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.50/7.32 [2019-03-29 01:42:47,396 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.50/7.32 [2019-03-29 01:42:47,397 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.50/7.32 [2019-03-29 01:42:47,397 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.50/7.32 [2019-03-29 01:42:47,403 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.50/7.32 [2019-03-29 01:42:47,408 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.50/7.32 [2019-03-29 01:42:47,408 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.50/7.32 [2019-03-29 01:42:47,410 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.50/7.32 [2019-03-29 01:42:47,411 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.50/7.32 [2019-03-29 01:42:47,411 INFO L518 LassoAnalysis]: Proved termination. 15.50/7.32 [2019-03-29 01:42:47,411 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.50/7.32 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 15.50/7.32 Supporting invariants [] 15.50/7.32 [2019-03-29 01:42:47,413 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.50/7.32 [2019-03-29 01:42:47,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:47,457 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 15.50/7.32 [2019-03-29 01:42:47,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.50/7.32 [2019-03-29 01:42:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:47,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.50/7.32 [2019-03-29 01:42:47,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.50/7.32 [2019-03-29 01:42:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.50/7.32 [2019-03-29 01:42:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:47,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.50/7.32 [2019-03-29 01:42:47,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.50/7.32 [2019-03-29 01:42:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:47,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.50/7.32 [2019-03-29 01:42:47,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.50/7.32 [2019-03-29 01:42:47,591 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 15.50/7.32 [2019-03-29 01:42:47,594 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 4 loop predicates 15.50/7.32 [2019-03-29 01:42:47,595 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 8 Second operand 4 states. 15.50/7.32 [2019-03-29 01:42:47,734 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 39 states and 66 transitions. Complement of second has 11 states. 15.50/7.32 [2019-03-29 01:42:47,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 15.50/7.32 [2019-03-29 01:42:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.50/7.32 [2019-03-29 01:42:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 35 transitions. 15.50/7.32 [2019-03-29 01:42:47,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 1 letters. Loop has 4 letters. 15.50/7.32 [2019-03-29 01:42:47,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.50/7.32 [2019-03-29 01:42:47,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 5 letters. Loop has 4 letters. 15.50/7.32 [2019-03-29 01:42:47,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.50/7.32 [2019-03-29 01:42:47,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 1 letters. Loop has 8 letters. 15.50/7.32 [2019-03-29 01:42:47,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.50/7.32 [2019-03-29 01:42:47,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 66 transitions. 15.50/7.32 [2019-03-29 01:42:47,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 15.50/7.32 [2019-03-29 01:42:47,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:47,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 15.50/7.32 [2019-03-29 01:42:47,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 15.50/7.32 [2019-03-29 01:42:47,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:47,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.50/7.32 [2019-03-29 01:42:47,752 INFO L706 BuchiCegarLoop]: Abstraction has 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:47,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:47,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 15. 15.50/7.32 [2019-03-29 01:42:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. 15.50/7.32 [2019-03-29 01:42:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 26 transitions. 15.50/7.32 [2019-03-29 01:42:47,755 INFO L729 BuchiCegarLoop]: Abstraction has 15 states and 26 transitions. 15.50/7.32 [2019-03-29 01:42:47,755 INFO L609 BuchiCegarLoop]: Abstraction has 15 states and 26 transitions. 15.50/7.32 [2019-03-29 01:42:47,755 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.50/7.32 [2019-03-29 01:42:47,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 26 transitions. 15.50/7.32 [2019-03-29 01:42:47,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.50/7.32 [2019-03-29 01:42:47,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.50/7.32 [2019-03-29 01:42:47,756 INFO L119 BuchiIsEmpty]: Starting construction of run 15.50/7.32 [2019-03-29 01:42:47,757 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.50/7.32 [2019-03-29 01:42:47,757 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.50/7.32 [2019-03-29 01:42:47,757 INFO L794 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L16-1: Formula: (= v_ULTIMATE.start_main_~i~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_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 150#L16-1 [38] L16-1-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (< v_ULTIMATE.start_main_~i~0_7 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 144#L10 15.50/7.32 [2019-03-29 01:42:47,757 INFO L796 eck$LassoCheckResult]: Loop: 144#L10 [50] L10-->L10-2: Formula: (>= v_ULTIMATE.start_main_~i~0_10 20) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 147#L10-2 [46] L10-2-->L13-1: Formula: (and (< 10 v_ULTIMATE.start_main_~i~0_12) (= v_ULTIMATE.start_main_~i~0_11 (+ v_ULTIMATE.start_main_~i~0_12 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 157#L13-1 [55] L13-1-->L16-1: Formula: (> v_ULTIMATE.start_main_~i~0_16 40) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_16} AuxVars[] AssignedVars[] 143#L16-1 [38] L16-1-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (< v_ULTIMATE.start_main_~i~0_7 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 144#L10 15.50/7.32 [2019-03-29 01:42:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:47,758 INFO L82 PathProgramCache]: Analyzing trace with hash 2270, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:47,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:47,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:47,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:47,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:47,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2459020, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:47,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:47,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:47,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:47,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2097928169, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:47,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:47,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:47,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:47,809 INFO L216 LassoAnalysis]: Preferences: 15.50/7.32 [2019-03-29 01:42:47,809 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.50/7.32 [2019-03-29 01:42:47,809 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.50/7.32 [2019-03-29 01:42:47,809 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.50/7.32 [2019-03-29 01:42:47,810 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.50/7.32 [2019-03-29 01:42:47,810 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,810 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.50/7.32 [2019-03-29 01:42:47,810 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.50/7.32 [2019-03-29 01:42:47,810 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.50/7.32 [2019-03-29 01:42:47,810 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.50/7.32 [2019-03-29 01:42:47,810 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.50/7.32 [2019-03-29 01:42:47,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:47,888 INFO L300 LassoAnalysis]: Preprocessing complete. 15.50/7.32 [2019-03-29 01:42:47,888 INFO L412 LassoAnalysis]: Checking for nontermination... 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,894 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,894 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 [2019-03-29 01:42:47,923 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.50/7.32 [2019-03-29 01:42:47,923 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,930 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,931 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 [2019-03-29 01:42:47,958 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.50/7.32 [2019-03-29 01:42:47,958 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,965 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,965 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.50/7.32 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.50/7.32 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:47,998 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.50/7.32 [2019-03-29 01:42:47,998 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.50/7.32 [2019-03-29 01:42:48,265 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.50/7.32 [2019-03-29 01:42:48,268 INFO L216 LassoAnalysis]: Preferences: 15.50/7.32 [2019-03-29 01:42:48,268 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.50/7.32 [2019-03-29 01:42:48,269 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.50/7.32 [2019-03-29 01:42:48,269 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.50/7.32 [2019-03-29 01:42:48,269 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.50/7.32 [2019-03-29 01:42:48,269 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.50/7.32 [2019-03-29 01:42:48,269 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.50/7.32 [2019-03-29 01:42:48,269 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.50/7.32 [2019-03-29 01:42:48,269 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.50/7.32 [2019-03-29 01:42:48,270 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.50/7.32 [2019-03-29 01:42:48,270 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.50/7.32 [2019-03-29 01:42:48,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:48,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:48,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.50/7.32 [2019-03-29 01:42:48,323 INFO L300 LassoAnalysis]: Preprocessing complete. 15.50/7.32 [2019-03-29 01:42:48,323 INFO L497 LassoAnalysis]: Using template 'affine'. 15.50/7.32 [2019-03-29 01:42:48,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.50/7.32 Termination analysis: LINEAR_WITH_GUESSES 15.50/7.32 Number of strict supporting invariants: 0 15.50/7.32 Number of non-strict supporting invariants: 1 15.50/7.32 Consider only non-deceasing supporting invariants: true 15.50/7.32 Simplify termination arguments: true 15.50/7.32 Simplify supporting invariants: trueOverapproximate stem: false 15.50/7.32 [2019-03-29 01:42:48,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.50/7.32 [2019-03-29 01:42:48,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.50/7.32 [2019-03-29 01:42:48,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.50/7.32 [2019-03-29 01:42:48,326 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.50/7.32 [2019-03-29 01:42:48,328 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.50/7.32 [2019-03-29 01:42:48,328 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.50/7.32 [2019-03-29 01:42:48,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.50/7.32 [2019-03-29 01:42:48,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.50/7.32 Termination analysis: LINEAR_WITH_GUESSES 15.50/7.32 Number of strict supporting invariants: 0 15.50/7.32 Number of non-strict supporting invariants: 1 15.50/7.32 Consider only non-deceasing supporting invariants: true 15.50/7.32 Simplify termination arguments: true 15.50/7.32 Simplify supporting invariants: trueOverapproximate stem: false 15.50/7.32 [2019-03-29 01:42:48,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.50/7.32 [2019-03-29 01:42:48,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.50/7.32 [2019-03-29 01:42:48,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.50/7.32 [2019-03-29 01:42:48,333 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.50/7.32 [2019-03-29 01:42:48,335 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.50/7.32 [2019-03-29 01:42:48,335 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.50/7.32 [2019-03-29 01:42:48,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.50/7.32 [2019-03-29 01:42:48,342 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.50/7.32 Termination analysis: LINEAR_WITH_GUESSES 15.50/7.32 Number of strict supporting invariants: 0 15.50/7.32 Number of non-strict supporting invariants: 1 15.50/7.32 Consider only non-deceasing supporting invariants: true 15.50/7.32 Simplify termination arguments: true 15.50/7.32 Simplify supporting invariants: trueOverapproximate stem: false 15.50/7.32 [2019-03-29 01:42:48,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.50/7.32 [2019-03-29 01:42:48,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.50/7.32 [2019-03-29 01:42:48,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.50/7.32 [2019-03-29 01:42:48,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.50/7.32 [2019-03-29 01:42:48,343 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.50/7.32 [2019-03-29 01:42:48,344 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.50/7.32 [2019-03-29 01:42:48,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.50/7.32 [2019-03-29 01:42:48,348 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.50/7.32 [2019-03-29 01:42:48,351 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.50/7.32 [2019-03-29 01:42:48,352 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 15.50/7.32 [2019-03-29 01:42:48,352 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.50/7.32 [2019-03-29 01:42:48,352 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.50/7.32 [2019-03-29 01:42:48,352 INFO L518 LassoAnalysis]: Proved termination. 15.50/7.32 [2019-03-29 01:42:48,352 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.50/7.32 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 97 15.50/7.32 Supporting invariants [] 15.50/7.32 [2019-03-29 01:42:48,353 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.50/7.32 [2019-03-29 01:42:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:48,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.50/7.32 [2019-03-29 01:42:48,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.50/7.32 [2019-03-29 01:42:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.50/7.32 [2019-03-29 01:42:48,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.50/7.32 [2019-03-29 01:42:48,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.50/7.32 [2019-03-29 01:42:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.50/7.32 [2019-03-29 01:42:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,426 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 15.50/7.32 [2019-03-29 01:42:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,430 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 15.50/7.32 [2019-03-29 01:42:48,430 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.50/7.32 [2019-03-29 01:42:48,430 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.50/7.32 [2019-03-29 01:42:48,430 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 15 states and 26 transitions. cyclomatic complexity: 14 Second operand 4 states. 15.50/7.32 [2019-03-29 01:42:48,474 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 15 states and 26 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 27 states and 42 transitions. Complement of second has 9 states. 15.50/7.32 [2019-03-29 01:42:48,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.50/7.32 [2019-03-29 01:42:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.50/7.32 [2019-03-29 01:42:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. 15.50/7.32 [2019-03-29 01:42:48,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. 15.50/7.32 [2019-03-29 01:42:48,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.50/7.32 [2019-03-29 01:42:48,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. 15.50/7.32 [2019-03-29 01:42:48,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.50/7.32 [2019-03-29 01:42:48,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. 15.50/7.32 [2019-03-29 01:42:48,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.50/7.32 [2019-03-29 01:42:48,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 42 transitions. 15.50/7.32 [2019-03-29 01:42:48,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.50/7.32 [2019-03-29 01:42:48,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:48,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 15.50/7.32 [2019-03-29 01:42:48,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 15.50/7.32 [2019-03-29 01:42:48,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:48,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.50/7.32 [2019-03-29 01:42:48,482 INFO L706 BuchiCegarLoop]: Abstraction has 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:48,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 41 transitions. 15.50/7.32 [2019-03-29 01:42:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. 15.50/7.32 [2019-03-29 01:42:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. 15.50/7.32 [2019-03-29 01:42:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. 15.50/7.32 [2019-03-29 01:42:48,485 INFO L729 BuchiCegarLoop]: Abstraction has 24 states and 39 transitions. 15.50/7.32 [2019-03-29 01:42:48,486 INFO L609 BuchiCegarLoop]: Abstraction has 24 states and 39 transitions. 15.50/7.32 [2019-03-29 01:42:48,486 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.50/7.32 [2019-03-29 01:42:48,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 39 transitions. 15.50/7.32 [2019-03-29 01:42:48,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.50/7.32 [2019-03-29 01:42:48,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.50/7.32 [2019-03-29 01:42:48,487 INFO L119 BuchiIsEmpty]: Starting construction of run 15.50/7.32 [2019-03-29 01:42:48,487 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.50/7.32 [2019-03-29 01:42:48,487 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.50/7.32 [2019-03-29 01:42:48,488 INFO L794 eck$LassoCheckResult]: Stem: 235#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L16-1: Formula: (= v_ULTIMATE.start_main_~i~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_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 236#L16-1 [38] L16-1-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (< v_ULTIMATE.start_main_~i~0_7 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 246#L10 [50] L10-->L10-2: Formula: (>= v_ULTIMATE.start_main_~i~0_10 20) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 233#L10-2 15.50/7.32 [2019-03-29 01:42:48,488 INFO L796 eck$LassoCheckResult]: Loop: 233#L10-2 [46] L10-2-->L13-1: Formula: (and (< 10 v_ULTIMATE.start_main_~i~0_12) (= v_ULTIMATE.start_main_~i~0_11 (+ v_ULTIMATE.start_main_~i~0_12 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 252#L13-1 [43] L13-1-->L16-1: Formula: (and (<= 30 v_ULTIMATE.start_main_~i~0_15) (= v_ULTIMATE.start_main_~i~0_14 (+ v_ULTIMATE.start_main_~i~0_15 (- 1))) (<= v_ULTIMATE.start_main_~i~0_15 40)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 229#L16-1 [38] L16-1-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_7) (< v_ULTIMATE.start_main_~i~0_7 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 230#L10 [50] L10-->L10-2: Formula: (>= v_ULTIMATE.start_main_~i~0_10 20) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 233#L10-2 15.50/7.32 [2019-03-29 01:42:48,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:48,488 INFO L82 PathProgramCache]: Analyzing trace with hash 70420, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:48,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:48,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:48,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:48,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2336458, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:48,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:48,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:48,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.50/7.32 [2019-03-29 01:42:48,503 INFO L82 PathProgramCache]: Analyzing trace with hash 611252317, now seen corresponding path program 1 times 15.50/7.32 [2019-03-29 01:42:48,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.50/7.32 [2019-03-29 01:42:48,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.50/7.32 [2019-03-29 01:42:48,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.50/7.32 [2019-03-29 01:42:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.50/7.32 [2019-03-29 01:42:48,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:42:48 BasicIcfg 15.50/7.32 [2019-03-29 01:42:48,581 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.50/7.32 [2019-03-29 01:42:48,582 INFO L168 Benchmark]: Toolchain (without parser) took 2803.09 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 558.2 MB in the beginning and 424.9 MB in the end (delta: 133.3 MB). Peak memory consumption was 164.2 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,584 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.72 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 558.2 MB in the beginning and 648.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.09 ms. Allocated memory is still 680.5 MB. Free memory was 648.3 MB in the beginning and 645.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,585 INFO L168 Benchmark]: Boogie Preprocessor took 20.24 ms. Allocated memory is still 680.5 MB. Free memory was 645.5 MB in the beginning and 644.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,586 INFO L168 Benchmark]: RCFGBuilder took 210.95 ms. Allocated memory is still 680.5 MB. Free memory was 644.4 MB in the beginning and 630.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,586 INFO L168 Benchmark]: BlockEncodingV2 took 80.33 ms. Allocated memory is still 680.5 MB. Free memory was 630.6 MB in the beginning and 624.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,587 INFO L168 Benchmark]: TraceAbstraction took 158.90 ms. Allocated memory is still 680.5 MB. Free memory was 624.1 MB in the beginning and 615.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,588 INFO L168 Benchmark]: BuchiAutomizer took 1997.50 ms. Allocated memory is still 680.5 MB. Free memory was 615.5 MB in the beginning and 424.9 MB in the end (delta: 190.6 MB). Peak memory consumption was 190.6 MB. Max. memory is 50.3 GB. 15.50/7.32 [2019-03-29 01:42:48,592 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.50/7.32 --- Results --- 15.50/7.32 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.50/7.32 - StatisticsResult: Initial Icfg 15.50/7.32 9 locations, 13 edges 15.50/7.32 - StatisticsResult: Encoded RCFG 15.50/7.32 5 locations, 9 edges 15.50/7.32 * Results from de.uni_freiburg.informatik.ultimate.core: 15.50/7.32 - StatisticsResult: Toolchain Benchmarks 15.50/7.32 Benchmark results are: 15.50/7.32 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.50/7.32 * CACSL2BoogieTranslator took 291.72 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 558.2 MB in the beginning and 648.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.50/7.32 * Boogie Procedure Inliner took 38.09 ms. Allocated memory is still 680.5 MB. Free memory was 648.3 MB in the beginning and 645.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.50/7.32 * Boogie Preprocessor took 20.24 ms. Allocated memory is still 680.5 MB. Free memory was 645.5 MB in the beginning and 644.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.50/7.32 * RCFGBuilder took 210.95 ms. Allocated memory is still 680.5 MB. Free memory was 644.4 MB in the beginning and 630.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. 15.50/7.32 * BlockEncodingV2 took 80.33 ms. Allocated memory is still 680.5 MB. Free memory was 630.6 MB in the beginning and 624.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.50/7.32 * TraceAbstraction took 158.90 ms. Allocated memory is still 680.5 MB. Free memory was 624.1 MB in the beginning and 615.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 15.50/7.32 * BuchiAutomizer took 1997.50 ms. Allocated memory is still 680.5 MB. Free memory was 615.5 MB in the beginning and 424.9 MB in the end (delta: 190.6 MB). Peak memory consumption was 190.6 MB. Max. memory is 50.3 GB. 15.50/7.32 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.50/7.32 - AllSpecificationsHoldResult: All specifications hold 15.50/7.32 We were not able to verify any specifiation because the program does not contain any specification. 15.50/7.32 - InvariantResult [Line: 9]: Loop Invariant 15.50/7.32 Derived loop invariant: 1 15.50/7.32 - StatisticsResult: Ultimate Automizer benchmark data 15.50/7.32 CFG has 1 procedures, 5 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=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.50/7.32 - StatisticsResult: Constructed decomposition of program 15.50/7.32 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i and consists of 7 locations. One nondeterministic module has affine ranking function -2 * i + 97 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 24 locations. 15.50/7.32 - StatisticsResult: Timing statistics 15.50/7.32 BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 45 SDslu, 0 SDs, 0 SdLazy, 89 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 15.50/7.32 - TerminationAnalysisResult: Nontermination possible 15.50/7.32 Buchi Automizer proved that your program is nonterminating for some inputs 15.50/7.32 - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. 15.50/7.32 Nontermination argument in form of an infinite execution 15.50/7.32 State at position 0 is 15.50/7.32 {} 15.50/7.32 State at position 1 is 15.50/7.32 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b89f915=0, \result=0, i=29} 15.50/7.32 - StatisticsResult: NonterminationArgumentStatistics 15.50/7.32 Fixpoint 15.50/7.32 - NonterminatingLassoResult [Line: 9]: Nonterminating execution 15.50/7.32 Found a nonterminating execution for the following lasso shaped sequence of statements. 15.50/7.32 Stem: 15.50/7.32 [L6] int i; 15.50/7.32 [L7] i = __VERIFIER_nondet_int() 15.50/7.32 [L9] COND TRUE i > 0 && i < 50 15.50/7.32 [L10] COND FALSE !(i < 20) 15.50/7.32 Loop: 15.50/7.32 [L13] COND TRUE i > 10 15.50/7.32 [L14] i = i+1 15.50/7.32 [L16] COND TRUE 30 <= i && i <= 40 15.50/7.32 [L17] i = i-1 15.50/7.32 [L9] COND TRUE i > 0 && i < 50 15.50/7.32 [L10] COND FALSE !(i < 20) 15.50/7.32 End of lasso representation. 15.50/7.32 RESULT: Ultimate proved your program to be incorrect! 15.50/7.32 !SESSION 2019-03-29 01:42:42.510 ----------------------------------------------- 15.50/7.32 eclipse.buildId=unknown 15.50/7.32 java.version=1.8.0_181 15.50/7.32 java.vendor=Oracle Corporation 15.50/7.32 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.50/7.32 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.50/7.32 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.50/7.32 15.50/7.32 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:42:48.828 15.50/7.32 !MESSAGE The workspace will exit with unsaved changes in this session. 15.50/7.32 Received shutdown request... 15.50/7.32 Ultimate: 15.50/7.32 GTK+ Version Check 15.50/7.32 EOF