14.45/7.12 YES 14.45/7.12 14.45/7.12 Ultimate: Cannot open display: 14.45/7.12 This is Ultimate 0.1.24-8dc7c08-m 14.45/7.12 [2019-03-28 12:31:45,828 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.45/7.12 [2019-03-28 12:31:45,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.45/7.12 [2019-03-28 12:31:45,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.45/7.12 [2019-03-28 12:31:45,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.45/7.12 [2019-03-28 12:31:45,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.45/7.12 [2019-03-28 12:31:45,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.45/7.12 [2019-03-28 12:31:45,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.45/7.12 [2019-03-28 12:31:45,849 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.45/7.12 [2019-03-28 12:31:45,850 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.45/7.12 [2019-03-28 12:31:45,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.45/7.12 [2019-03-28 12:31:45,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.45/7.12 [2019-03-28 12:31:45,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.45/7.12 [2019-03-28 12:31:45,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.45/7.12 [2019-03-28 12:31:45,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.45/7.12 [2019-03-28 12:31:45,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.45/7.12 [2019-03-28 12:31:45,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.45/7.12 [2019-03-28 12:31:45,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.45/7.12 [2019-03-28 12:31:45,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.45/7.12 [2019-03-28 12:31:45,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.45/7.12 [2019-03-28 12:31:45,864 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,865 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.45/7.12 [2019-03-28 12:31:45,865 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.45/7.12 [2019-03-28 12:31:45,866 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.45/7.12 [2019-03-28 12:31:45,867 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,867 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.45/7.12 [2019-03-28 12:31:45,867 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.45/7.12 [2019-03-28 12:31:45,868 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.45/7.12 [2019-03-28 12:31:45,869 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.45/7.12 [2019-03-28 12:31:45,870 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,870 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.45/7.12 [2019-03-28 12:31:45,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,871 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.45/7.12 [2019-03-28 12:31:45,871 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.45/7.12 [2019-03-28 12:31:45,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.45/7.12 [2019-03-28 12:31:45,872 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.45/7.12 [2019-03-28 12:31:45,873 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.45/7.12 [2019-03-28 12:31:45,887 INFO L110 SettingsManager]: Loading preferences was successful 14.45/7.12 [2019-03-28 12:31:45,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.45/7.12 [2019-03-28 12:31:45,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.45/7.12 [2019-03-28 12:31:45,889 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.45/7.12 [2019-03-28 12:31:45,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.45/7.12 [2019-03-28 12:31:45,889 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.45/7.12 [2019-03-28 12:31:45,889 INFO L133 SettingsManager]: * Use SBE=true 14.45/7.12 [2019-03-28 12:31:45,890 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.45/7.12 [2019-03-28 12:31:45,890 INFO L133 SettingsManager]: * Use old map elimination=false 14.45/7.12 [2019-03-28 12:31:45,890 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.45/7.12 [2019-03-28 12:31:45,890 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.45/7.12 [2019-03-28 12:31:45,890 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.45/7.12 [2019-03-28 12:31:45,890 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.45/7.12 [2019-03-28 12:31:45,891 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.45/7.12 [2019-03-28 12:31:45,891 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:45,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.45/7.12 [2019-03-28 12:31:45,891 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.45/7.12 [2019-03-28 12:31:45,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.45/7.12 [2019-03-28 12:31:45,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.45/7.12 [2019-03-28 12:31:45,892 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.45/7.12 [2019-03-28 12:31:45,892 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.45/7.12 [2019-03-28 12:31:45,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.45/7.12 [2019-03-28 12:31:45,892 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.45/7.12 [2019-03-28 12:31:45,892 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.45/7.12 [2019-03-28 12:31:45,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.45/7.12 [2019-03-28 12:31:45,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.45/7.12 [2019-03-28 12:31:45,893 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.45/7.12 [2019-03-28 12:31:45,893 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.45/7.12 [2019-03-28 12:31:45,893 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.45/7.12 [2019-03-28 12:31:45,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.45/7.12 [2019-03-28 12:31:45,932 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.45/7.12 [2019-03-28 12:31:45,935 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.45/7.12 [2019-03-28 12:31:45,937 INFO L271 PluginConnector]: Initializing CDTParser... 14.45/7.12 [2019-03-28 12:31:45,937 INFO L276 PluginConnector]: CDTParser initialized 14.45/7.12 [2019-03-28 12:31:45,938 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.45/7.12 [2019-03-28 12:31:46,001 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/5fe86e9a7c6e4886b6402609d221c29b/FLAGc3229a92d 14.45/7.12 [2019-03-28 12:31:46,345 INFO L307 CDTParser]: Found 1 translation units. 14.45/7.12 [2019-03-28 12:31:46,345 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.45/7.12 [2019-03-28 12:31:46,352 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/5fe86e9a7c6e4886b6402609d221c29b/FLAGc3229a92d 14.45/7.12 [2019-03-28 12:31:46,776 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/5fe86e9a7c6e4886b6402609d221c29b 14.45/7.12 [2019-03-28 12:31:46,787 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.45/7.12 [2019-03-28 12:31:46,789 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.45/7.12 [2019-03-28 12:31:46,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.45/7.12 [2019-03-28 12:31:46,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.45/7.12 [2019-03-28 12:31:46,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.45/7.12 [2019-03-28 12:31:46,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:31:46" (1/1) ... 14.45/7.12 [2019-03-28 12:31:46,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514e9f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:46, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:46,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:31:46" (1/1) ... 14.45/7.12 [2019-03-28 12:31:46,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.45/7.12 [2019-03-28 12:31:46,825 INFO L176 MainTranslator]: Built tables and reachable declarations 14.45/7.12 [2019-03-28 12:31:46,983 INFO L206 PostProcessor]: Analyzing one entry point: main 14.45/7.12 [2019-03-28 12:31:46,988 INFO L191 MainTranslator]: Completed pre-run 14.45/7.12 [2019-03-28 12:31:47,004 INFO L206 PostProcessor]: Analyzing one entry point: main 14.45/7.12 [2019-03-28 12:31:47,019 INFO L195 MainTranslator]: Completed translation 14.45/7.12 [2019-03-28 12:31:47,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47 WrapperNode 14.45/7.12 [2019-03-28 12:31:47,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.45/7.12 [2019-03-28 12:31:47,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.45/7.12 [2019-03-28 12:31:47,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.45/7.12 [2019-03-28 12:31:47,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.45/7.12 [2019-03-28 12:31:47,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.45/7.12 [2019-03-28 12:31:47,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.45/7.12 [2019-03-28 12:31:47,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.45/7.12 [2019-03-28 12:31:47,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.45/7.12 [2019-03-28 12:31:47,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.45/7.12 [2019-03-28 12:31:47,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.45/7.12 [2019-03-28 12:31:47,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.45/7.12 [2019-03-28 12:31:47,144 INFO L276 PluginConnector]: RCFGBuilder initialized 14.45/7.12 [2019-03-28 12:31:47,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (1/1) ... 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.45/7.12 [2019-03-28 12:31:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.45/7.12 [2019-03-28 12:31:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.45/7.12 [2019-03-28 12:31:47,326 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.45/7.12 [2019-03-28 12:31:47,327 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.45/7.12 [2019-03-28 12:31:47,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:47 BoogieIcfgContainer 14.45/7.12 [2019-03-28 12:31:47,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.45/7.12 [2019-03-28 12:31:47,329 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.45/7.12 [2019-03-28 12:31:47,329 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.45/7.12 [2019-03-28 12:31:47,331 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.45/7.12 [2019-03-28 12:31:47,332 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:47" (1/1) ... 14.45/7.12 [2019-03-28 12:31:47,345 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges 14.45/7.12 [2019-03-28 12:31:47,347 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.45/7.12 [2019-03-28 12:31:47,348 INFO L263 BlockEncoder]: Using Maximize final states 14.45/7.12 [2019-03-28 12:31:47,348 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.45/7.12 [2019-03-28 12:31:47,348 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.45/7.12 [2019-03-28 12:31:47,351 INFO L296 BlockEncoder]: Using Remove sink states 14.45/7.12 [2019-03-28 12:31:47,351 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.45/7.12 [2019-03-28 12:31:47,352 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.45/7.12 [2019-03-28 12:31:47,365 INFO L185 BlockEncoder]: Using Use SBE 14.45/7.12 [2019-03-28 12:31:47,373 INFO L200 BlockEncoder]: SBE split 0 edges 14.45/7.12 [2019-03-28 12:31:47,378 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.45/7.12 [2019-03-28 12:31:47,379 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.45/7.12 [2019-03-28 12:31:47,387 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 14.45/7.12 [2019-03-28 12:31:47,389 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.45/7.12 [2019-03-28 12:31:47,391 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.45/7.12 [2019-03-28 12:31:47,391 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.45/7.12 [2019-03-28 12:31:47,391 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.45/7.12 [2019-03-28 12:31:47,392 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.45/7.12 [2019-03-28 12:31:47,392 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges 14.45/7.12 [2019-03-28 12:31:47,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:31:47 BasicIcfg 14.45/7.12 [2019-03-28 12:31:47,392 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.45/7.12 [2019-03-28 12:31:47,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.45/7.12 [2019-03-28 12:31:47,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.45/7.12 [2019-03-28 12:31:47,397 INFO L276 PluginConnector]: TraceAbstraction initialized 14.45/7.12 [2019-03-28 12:31:47,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:31:46" (1/4) ... 14.45/7.12 [2019-03-28 12:31:47,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e0faf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (2/4) ... 14.45/7.12 [2019-03-28 12:31:47,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e0faf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:47" (3/4) ... 14.45/7.12 [2019-03-28 12:31:47,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e0faf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:31:47" (4/4) ... 14.45/7.12 [2019-03-28 12:31:47,401 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.45/7.12 [2019-03-28 12:31:47,411 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.45/7.12 [2019-03-28 12:31:47,419 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.45/7.12 [2019-03-28 12:31:47,436 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.45/7.12 [2019-03-28 12:31:47,466 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.45/7.12 [2019-03-28 12:31:47,467 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.45/7.12 [2019-03-28 12:31:47,467 INFO L383 AbstractCegarLoop]: Hoare is true 14.45/7.12 [2019-03-28 12:31:47,467 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.45/7.12 [2019-03-28 12:31:47,467 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.45/7.12 [2019-03-28 12:31:47,467 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.45/7.12 [2019-03-28 12:31:47,467 INFO L387 AbstractCegarLoop]: Difference is false 14.45/7.12 [2019-03-28 12:31:47,468 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.45/7.12 [2019-03-28 12:31:47,468 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.45/7.12 [2019-03-28 12:31:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 14.45/7.12 [2019-03-28 12:31:47,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.45/7.12 [2019-03-28 12:31:47,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 14.45/7.12 [2019-03-28 12:31:47,541 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 16 25) no Hoare annotation was computed. 14.45/7.12 [2019-03-28 12:31:47,541 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 25) the Hoare annotation is: true 14.45/7.12 [2019-03-28 12:31:47,541 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.45/7.12 [2019-03-28 12:31:47,541 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 21) no Hoare annotation was computed. 14.45/7.12 [2019-03-28 12:31:47,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:31:47 BasicIcfg 14.45/7.12 [2019-03-28 12:31:47,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.45/7.12 [2019-03-28 12:31:47,550 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.45/7.12 [2019-03-28 12:31:47,550 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.45/7.12 [2019-03-28 12:31:47,554 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.45/7.12 [2019-03-28 12:31:47,555 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.45/7.12 [2019-03-28 12:31:47,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:31:46" (1/5) ... 14.45/7.12 [2019-03-28 12:31:47,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11c75d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.45/7.12 [2019-03-28 12:31:47,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:31:47" (2/5) ... 14.45/7.12 [2019-03-28 12:31:47,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11c75d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.45/7.12 [2019-03-28 12:31:47,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:31:47" (3/5) ... 14.45/7.12 [2019-03-28 12:31:47,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11c75d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,557 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.45/7.12 [2019-03-28 12:31:47,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:31:47" (4/5) ... 14.45/7.12 [2019-03-28 12:31:47,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11c75d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:31:47, skipping insertion in model container 14.45/7.12 [2019-03-28 12:31:47,558 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.45/7.12 [2019-03-28 12:31:47,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:31:47" (5/5) ... 14.45/7.12 [2019-03-28 12:31:47,559 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.45/7.12 [2019-03-28 12:31:47,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.45/7.12 [2019-03-28 12:31:47,586 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.45/7.12 [2019-03-28 12:31:47,586 INFO L375 BuchiCegarLoop]: Hoare is true 14.45/7.12 [2019-03-28 12:31:47,586 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.45/7.12 [2019-03-28 12:31:47,587 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.45/7.12 [2019-03-28 12:31:47,587 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.45/7.12 [2019-03-28 12:31:47,587 INFO L379 BuchiCegarLoop]: Difference is false 14.45/7.12 [2019-03-28 12:31:47,587 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.45/7.12 [2019-03-28 12:31:47,587 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.45/7.12 [2019-03-28 12:31:47,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 14.45/7.12 [2019-03-28 12:31:47,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.45/7.12 [2019-03-28 12:31:47,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.45/7.12 [2019-03-28 12:31:47,608 INFO L119 BuchiIsEmpty]: Starting construction of run 14.45/7.12 [2019-03-28 12:31:47,613 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.45/7.12 [2019-03-28 12:31:47,613 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.45/7.12 [2019-03-28 12:31:47,614 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.45/7.12 [2019-03-28 12:31:47,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 14.45/7.12 [2019-03-28 12:31:47,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.45/7.12 [2019-03-28 12:31:47,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.45/7.12 [2019-03-28 12:31:47,615 INFO L119 BuchiIsEmpty]: Starting construction of run 14.45/7.12 [2019-03-28 12:31:47,615 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.45/7.12 [2019-03-28 12:31:47,615 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.45/7.12 [2019-03-28 12:31:47,620 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L16-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 6#L16-2true 14.45/7.12 [2019-03-28 12:31:47,621 INFO L796 eck$LassoCheckResult]: Loop: 6#L16-2true [35] L16-2-->L18: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 5#L18true [38] L18-->L18-2: Formula: (>= v_ULTIMATE.start_main_~y~0_10 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 4#L18-2true [39] L18-2-->L16-2: Formula: (>= v_ULTIMATE.start_main_~y~0_5 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 6#L16-2true 14.45/7.12 [2019-03-28 12:31:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:47,627 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:47,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:47,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:47,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:47,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:47,686 INFO L82 PathProgramCache]: Analyzing trace with hash 64643, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:47,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:47,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:47,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:47,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:47,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1762730, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:47,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:47,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:47,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:47,759 INFO L216 LassoAnalysis]: Preferences: 14.45/7.12 [2019-03-28 12:31:47,760 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.45/7.12 [2019-03-28 12:31:47,760 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.45/7.12 [2019-03-28 12:31:47,761 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.45/7.12 [2019-03-28 12:31:47,761 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.45/7.12 [2019-03-28 12:31:47,761 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:47,761 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.45/7.12 [2019-03-28 12:31:47,761 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.45/7.12 [2019-03-28 12:31:47,761 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.45/7.12 [2019-03-28 12:31:47,762 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.45/7.12 [2019-03-28 12:31:47,762 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.45/7.12 [2019-03-28 12:31:47,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:47,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:47,843 INFO L300 LassoAnalysis]: Preprocessing complete. 14.45/7.12 [2019-03-28 12:31:47,844 INFO L412 LassoAnalysis]: Checking for nontermination... 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:47,851 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:47,852 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:47,886 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:47,886 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 [2019-03-28 12:31:47,947 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.45/7.12 [2019-03-28 12:31:47,950 INFO L216 LassoAnalysis]: Preferences: 14.45/7.12 [2019-03-28 12:31:47,950 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.45/7.12 [2019-03-28 12:31:47,950 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.45/7.12 [2019-03-28 12:31:47,950 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.45/7.12 [2019-03-28 12:31:47,950 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.45/7.12 [2019-03-28 12:31:47,951 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:47,951 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.45/7.12 [2019-03-28 12:31:47,951 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.45/7.12 [2019-03-28 12:31:47,951 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.45/7.12 [2019-03-28 12:31:47,951 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.45/7.12 [2019-03-28 12:31:47,951 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.45/7.12 [2019-03-28 12:31:47,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:47,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,000 INFO L300 LassoAnalysis]: Preprocessing complete. 14.45/7.12 [2019-03-28 12:31:48,006 INFO L497 LassoAnalysis]: Using template 'affine'. 14.45/7.12 [2019-03-28 12:31:48,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.45/7.12 Termination analysis: LINEAR_WITH_GUESSES 14.45/7.12 Number of strict supporting invariants: 0 14.45/7.12 Number of non-strict supporting invariants: 1 14.45/7.12 Consider only non-deceasing supporting invariants: true 14.45/7.12 Simplify termination arguments: true 14.45/7.12 Simplify supporting invariants: trueOverapproximate stem: false 14.45/7.12 [2019-03-28 12:31:48,010 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.45/7.12 [2019-03-28 12:31:48,010 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.45/7.12 [2019-03-28 12:31:48,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.45/7.12 [2019-03-28 12:31:48,011 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.45/7.12 [2019-03-28 12:31:48,011 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.45/7.12 [2019-03-28 12:31:48,014 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.45/7.12 [2019-03-28 12:31:48,014 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.45/7.12 [2019-03-28 12:31:48,023 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.45/7.12 [2019-03-28 12:31:48,029 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.45/7.12 [2019-03-28 12:31:48,029 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.45/7.12 [2019-03-28 12:31:48,031 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.45/7.12 [2019-03-28 12:31:48,031 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.45/7.12 [2019-03-28 12:31:48,032 INFO L518 LassoAnalysis]: Proved termination. 14.45/7.12 [2019-03-28 12:31:48,033 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.45/7.12 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 14.45/7.12 Supporting invariants [] 14.45/7.12 [2019-03-28 12:31:48,034 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.45/7.12 [2019-03-28 12:31:48,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:48,072 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:48,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:48,083 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:48,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.45/7.12 [2019-03-28 12:31:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:48,151 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:48,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:48,154 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 14.45/7.12 [2019-03-28 12:31:48,159 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 3 loop predicates 14.45/7.12 [2019-03-28 12:31:48,161 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 14.45/7.12 [2019-03-28 12:31:48,259 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 15 states and 18 transitions. Complement of second has 7 states. 14.45/7.12 [2019-03-28 12:31:48,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 14.45/7.12 [2019-03-28 12:31:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.45/7.12 [2019-03-28 12:31:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. 14.45/7.12 [2019-03-28 12:31:48,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 3 letters. 14.45/7.12 [2019-03-28 12:31:48,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:48,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. 14.45/7.12 [2019-03-28 12:31:48,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:48,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 6 letters. 14.45/7.12 [2019-03-28 12:31:48,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:48,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. 14.45/7.12 [2019-03-28 12:31:48,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.45/7.12 [2019-03-28 12:31:48,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. 14.45/7.12 [2019-03-28 12:31:48,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 14.45/7.12 [2019-03-28 12:31:48,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 14.45/7.12 [2019-03-28 12:31:48,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. 14.45/7.12 [2019-03-28 12:31:48,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.45/7.12 [2019-03-28 12:31:48,282 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. 14.45/7.12 [2019-03-28 12:31:48,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. 14.45/7.12 [2019-03-28 12:31:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. 14.45/7.12 [2019-03-28 12:31:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 14.45/7.12 [2019-03-28 12:31:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. 14.45/7.12 [2019-03-28 12:31:48,311 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 14.45/7.12 [2019-03-28 12:31:48,311 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 14.45/7.12 [2019-03-28 12:31:48,311 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.45/7.12 [2019-03-28 12:31:48,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. 14.45/7.12 [2019-03-28 12:31:48,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.45/7.12 [2019-03-28 12:31:48,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.45/7.12 [2019-03-28 12:31:48,312 INFO L119 BuchiIsEmpty]: Starting construction of run 14.45/7.12 [2019-03-28 12:31:48,314 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 14.45/7.12 [2019-03-28 12:31:48,314 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.45/7.12 [2019-03-28 12:31:48,315 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L16-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 75#L16-2 [35] L16-2-->L18: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 76#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 |v_ULTIMATE.start_main_#t~nondet0_3|) (< v_ULTIMATE.start_main_~y~0_9 0) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 70#L18-2 14.45/7.12 [2019-03-28 12:31:48,315 INFO L796 eck$LassoCheckResult]: Loop: 70#L18-2 [39] L18-2-->L16-2: Formula: (>= v_ULTIMATE.start_main_~y~0_5 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 71#L16-2 [35] L16-2-->L18: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 78#L18 [38] L18-->L18-2: Formula: (>= v_ULTIMATE.start_main_~y~0_10 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 70#L18-2 14.45/7.12 [2019-03-28 12:31:48,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,316 INFO L82 PathProgramCache]: Analyzing trace with hash 56853, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:48,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:48,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:48,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,327 INFO L82 PathProgramCache]: Analyzing trace with hash 68393, now seen corresponding path program 2 times 14.45/7.12 [2019-03-28 12:31:48,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:48,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:48,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1693746325, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:48,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:48,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:48,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,335 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,365 INFO L216 LassoAnalysis]: Preferences: 14.45/7.12 [2019-03-28 12:31:48,365 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.45/7.12 [2019-03-28 12:31:48,366 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.45/7.12 [2019-03-28 12:31:48,366 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.45/7.12 [2019-03-28 12:31:48,366 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.45/7.12 [2019-03-28 12:31:48,366 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,366 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.45/7.12 [2019-03-28 12:31:48,366 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.45/7.12 [2019-03-28 12:31:48,366 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.45/7.12 [2019-03-28 12:31:48,367 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.45/7.12 [2019-03-28 12:31:48,367 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.45/7.12 [2019-03-28 12:31:48,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,397 INFO L300 LassoAnalysis]: Preprocessing complete. 14.45/7.12 [2019-03-28 12:31:48,398 INFO L412 LassoAnalysis]: Checking for nontermination... 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:48,408 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 [2019-03-28 12:31:48,438 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.45/7.12 [2019-03-28 12:31:48,438 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,443 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:48,444 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,475 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:48,475 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 [2019-03-28 12:31:48,533 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.45/7.12 [2019-03-28 12:31:48,536 INFO L216 LassoAnalysis]: Preferences: 14.45/7.12 [2019-03-28 12:31:48,536 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.45/7.12 [2019-03-28 12:31:48,536 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.45/7.12 [2019-03-28 12:31:48,536 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.45/7.12 [2019-03-28 12:31:48,537 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.45/7.12 [2019-03-28 12:31:48,537 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,537 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.45/7.12 [2019-03-28 12:31:48,537 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.45/7.12 [2019-03-28 12:31:48,537 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.45/7.12 [2019-03-28 12:31:48,537 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.45/7.12 [2019-03-28 12:31:48,537 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.45/7.12 [2019-03-28 12:31:48,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,565 INFO L300 LassoAnalysis]: Preprocessing complete. 14.45/7.12 [2019-03-28 12:31:48,565 INFO L497 LassoAnalysis]: Using template 'affine'. 14.45/7.12 [2019-03-28 12:31:48,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.45/7.12 Termination analysis: LINEAR_WITH_GUESSES 14.45/7.12 Number of strict supporting invariants: 0 14.45/7.12 Number of non-strict supporting invariants: 1 14.45/7.12 Consider only non-deceasing supporting invariants: true 14.45/7.12 Simplify termination arguments: true 14.45/7.12 Simplify supporting invariants: trueOverapproximate stem: false 14.45/7.12 [2019-03-28 12:31:48,566 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.45/7.12 [2019-03-28 12:31:48,566 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.45/7.12 [2019-03-28 12:31:48,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.45/7.12 [2019-03-28 12:31:48,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.45/7.12 [2019-03-28 12:31:48,567 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.45/7.12 [2019-03-28 12:31:48,568 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.45/7.12 [2019-03-28 12:31:48,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.45/7.12 [2019-03-28 12:31:48,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.45/7.12 [2019-03-28 12:31:48,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.45/7.12 Termination analysis: LINEAR_WITH_GUESSES 14.45/7.12 Number of strict supporting invariants: 0 14.45/7.12 Number of non-strict supporting invariants: 1 14.45/7.12 Consider only non-deceasing supporting invariants: true 14.45/7.12 Simplify termination arguments: true 14.45/7.12 Simplify supporting invariants: trueOverapproximate stem: false 14.45/7.12 [2019-03-28 12:31:48,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.45/7.12 [2019-03-28 12:31:48,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.45/7.12 [2019-03-28 12:31:48,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.45/7.12 [2019-03-28 12:31:48,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.45/7.12 [2019-03-28 12:31:48,571 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.45/7.12 [2019-03-28 12:31:48,571 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.45/7.12 [2019-03-28 12:31:48,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.45/7.12 [2019-03-28 12:31:48,576 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.45/7.12 [2019-03-28 12:31:48,579 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.45/7.12 [2019-03-28 12:31:48,579 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.45/7.12 [2019-03-28 12:31:48,580 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.45/7.12 [2019-03-28 12:31:48,580 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.45/7.12 [2019-03-28 12:31:48,580 INFO L518 LassoAnalysis]: Proved termination. 14.45/7.12 [2019-03-28 12:31:48,580 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.45/7.12 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 14.45/7.12 Supporting invariants [] 14.45/7.12 [2019-03-28 12:31:48,581 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.45/7.12 [2019-03-28 12:31:48,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:48,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:48,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:48,606 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:48,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.45/7.12 [2019-03-28 12:31:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:48,619 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:48,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:48,643 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 14.45/7.12 [2019-03-28 12:31:48,644 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 3 loop predicates 14.45/7.12 [2019-03-28 12:31:48,644 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. 14.45/7.12 [2019-03-28 12:31:48,679 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 16 states and 20 transitions. Complement of second has 5 states. 14.45/7.12 [2019-03-28 12:31:48,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.45/7.12 [2019-03-28 12:31:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.45/7.12 [2019-03-28 12:31:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 14.45/7.12 [2019-03-28 12:31:48,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. 14.45/7.12 [2019-03-28 12:31:48,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:48,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. 14.45/7.12 [2019-03-28 12:31:48,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:48,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. 14.45/7.12 [2019-03-28 12:31:48,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:48,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. 14.45/7.12 [2019-03-28 12:31:48,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 14.45/7.12 [2019-03-28 12:31:48,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 14.45/7.12 [2019-03-28 12:31:48,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 14.45/7.12 [2019-03-28 12:31:48,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.45/7.12 [2019-03-28 12:31:48,687 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. 14.45/7.12 [2019-03-28 12:31:48,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 14.45/7.12 [2019-03-28 12:31:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,689 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,689 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,689 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.45/7.12 [2019-03-28 12:31:48,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. 14.45/7.12 [2019-03-28 12:31:48,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 14.45/7.12 [2019-03-28 12:31:48,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.45/7.12 [2019-03-28 12:31:48,690 INFO L119 BuchiIsEmpty]: Starting construction of run 14.45/7.12 [2019-03-28 12:31:48,691 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] 14.45/7.12 [2019-03-28 12:31:48,691 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.45/7.12 [2019-03-28 12:31:48,692 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L16-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 148#L16-2 [35] L16-2-->L18: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 149#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 |v_ULTIMATE.start_main_#t~nondet0_3|) (< v_ULTIMATE.start_main_~y~0_9 0) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 143#L18-2 [39] L18-2-->L16-2: Formula: (>= v_ULTIMATE.start_main_~y~0_5 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 144#L16-2 [35] L16-2-->L18: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 152#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 |v_ULTIMATE.start_main_#t~nondet0_3|) (< v_ULTIMATE.start_main_~y~0_9 0) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 154#L18-2 14.45/7.12 [2019-03-28 12:31:48,692 INFO L796 eck$LassoCheckResult]: Loop: 154#L18-2 [39] L18-2-->L16-2: Formula: (>= v_ULTIMATE.start_main_~y~0_5 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 151#L16-2 [35] L16-2-->L18: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 152#L18 [30] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 |v_ULTIMATE.start_main_#t~nondet0_3|) (< v_ULTIMATE.start_main_~y~0_9 0) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 154#L18-2 14.45/7.12 [2019-03-28 12:31:48,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1693746317, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:48,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:48,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:48,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,705 INFO L82 PathProgramCache]: Analyzing trace with hash 68385, now seen corresponding path program 1 times 14.45/7.12 [2019-03-28 12:31:48,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:48,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:48,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:48,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1120774933, now seen corresponding path program 2 times 14.45/7.12 [2019-03-28 12:31:48,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.45/7.12 [2019-03-28 12:31:48,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.45/7.12 [2019-03-28 12:31:48,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.45/7.12 [2019-03-28 12:31:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.45/7.12 [2019-03-28 12:31:48,774 INFO L216 LassoAnalysis]: Preferences: 14.45/7.12 [2019-03-28 12:31:48,774 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.45/7.12 [2019-03-28 12:31:48,774 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.45/7.12 [2019-03-28 12:31:48,774 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.45/7.12 [2019-03-28 12:31:48,774 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.45/7.12 [2019-03-28 12:31:48,775 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,775 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.45/7.12 [2019-03-28 12:31:48,775 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.45/7.12 [2019-03-28 12:31:48,776 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.45/7.12 [2019-03-28 12:31:48,776 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.45/7.12 [2019-03-28 12:31:48,776 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.45/7.12 [2019-03-28 12:31:48,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,835 INFO L300 LassoAnalysis]: Preprocessing complete. 14.45/7.12 [2019-03-28 12:31:48,836 INFO L412 LassoAnalysis]: Checking for nontermination... 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,843 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:48,843 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 [2019-03-28 12:31:48,849 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.45/7.12 [2019-03-28 12:31:48,849 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0, ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0, ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:48,879 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.45/7.12 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.45/7.12 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.45/7.12 [2019-03-28 12:31:48,912 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.45/7.12 [2019-03-28 12:31:48,944 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.45/7.12 [2019-03-28 12:31:48,946 INFO L216 LassoAnalysis]: Preferences: 14.45/7.12 [2019-03-28 12:31:48,946 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.45/7.12 [2019-03-28 12:31:48,946 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.45/7.12 [2019-03-28 12:31:48,947 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.45/7.12 [2019-03-28 12:31:48,947 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.45/7.12 [2019-03-28 12:31:48,947 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.45/7.12 [2019-03-28 12:31:48,947 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.45/7.12 [2019-03-28 12:31:48,947 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.45/7.12 [2019-03-28 12:31:48,947 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.45/7.12 [2019-03-28 12:31:48,948 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.45/7.12 [2019-03-28 12:31:48,948 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.45/7.12 [2019-03-28 12:31:48,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.45/7.12 [2019-03-28 12:31:48,997 INFO L300 LassoAnalysis]: Preprocessing complete. 14.45/7.12 [2019-03-28 12:31:48,997 INFO L497 LassoAnalysis]: Using template 'affine'. 14.45/7.12 [2019-03-28 12:31:48,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.45/7.12 Termination analysis: LINEAR_WITH_GUESSES 14.45/7.12 Number of strict supporting invariants: 0 14.45/7.12 Number of non-strict supporting invariants: 1 14.45/7.12 Consider only non-deceasing supporting invariants: true 14.45/7.12 Simplify termination arguments: true 14.45/7.12 Simplify supporting invariants: trueOverapproximate stem: false 14.45/7.12 [2019-03-28 12:31:48,999 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.45/7.12 [2019-03-28 12:31:48,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.45/7.12 [2019-03-28 12:31:48,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.45/7.12 [2019-03-28 12:31:48,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.45/7.12 [2019-03-28 12:31:49,000 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.45/7.12 [2019-03-28 12:31:49,001 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.45/7.12 [2019-03-28 12:31:49,001 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.45/7.12 [2019-03-28 12:31:49,004 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.45/7.12 [2019-03-28 12:31:49,004 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.45/7.12 Termination analysis: LINEAR_WITH_GUESSES 14.45/7.12 Number of strict supporting invariants: 0 14.45/7.12 Number of non-strict supporting invariants: 1 14.45/7.12 Consider only non-deceasing supporting invariants: true 14.45/7.12 Simplify termination arguments: true 14.45/7.12 Simplify supporting invariants: trueOverapproximate stem: false 14.45/7.12 [2019-03-28 12:31:49,005 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.45/7.12 [2019-03-28 12:31:49,005 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.45/7.12 [2019-03-28 12:31:49,005 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.45/7.12 [2019-03-28 12:31:49,005 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.45/7.12 [2019-03-28 12:31:49,005 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.45/7.12 [2019-03-28 12:31:49,006 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.45/7.12 [2019-03-28 12:31:49,006 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.45/7.12 [2019-03-28 12:31:49,011 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.45/7.12 [2019-03-28 12:31:49,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.45/7.12 [2019-03-28 12:31:49,014 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 14.45/7.12 [2019-03-28 12:31:49,015 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.45/7.12 [2019-03-28 12:31:49,015 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.45/7.12 [2019-03-28 12:31:49,015 INFO L518 LassoAnalysis]: Proved termination. 14.45/7.12 [2019-03-28 12:31:49,015 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.45/7.12 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 14.45/7.12 Supporting invariants [] 14.45/7.12 [2019-03-28 12:31:49,016 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.45/7.12 [2019-03-28 12:31:49,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.45/7.12 [2019-03-28 12:31:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:49,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:49,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:49,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:49,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.45/7.12 [2019-03-28 12:31:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.45/7.12 [2019-03-28 12:31:49,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 14.45/7.12 [2019-03-28 12:31:49,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.45/7.12 [2019-03-28 12:31:49,148 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 14.45/7.12 [2019-03-28 12:31:49,149 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 3 loop predicates 14.45/7.12 [2019-03-28 12:31:49,149 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 4 states. 14.45/7.12 [2019-03-28 12:31:49,186 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 19 states and 24 transitions. Complement of second has 6 states. 14.45/7.12 [2019-03-28 12:31:49,187 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 14.45/7.12 [2019-03-28 12:31:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.45/7.12 [2019-03-28 12:31:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 14.45/7.12 [2019-03-28 12:31:49,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. 14.45/7.12 [2019-03-28 12:31:49,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:49,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. 14.45/7.12 [2019-03-28 12:31:49,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:49,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. 14.45/7.12 [2019-03-28 12:31:49,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.45/7.12 [2019-03-28 12:31:49,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. 14.45/7.12 [2019-03-28 12:31:49,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.45/7.12 [2019-03-28 12:31:49,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. 14.45/7.12 [2019-03-28 12:31:49,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.45/7.12 [2019-03-28 12:31:49,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.45/7.12 [2019-03-28 12:31:49,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.45/7.12 [2019-03-28 12:31:49,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.45/7.12 [2019-03-28 12:31:49,192 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.45/7.12 [2019-03-28 12:31:49,193 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.45/7.12 [2019-03-28 12:31:49,193 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.45/7.12 [2019-03-28 12:31:49,193 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 14.45/7.12 [2019-03-28 12:31:49,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.45/7.12 [2019-03-28 12:31:49,193 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.45/7.12 [2019-03-28 12:31:49,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.45/7.12 [2019-03-28 12:31:49,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:31:49 BasicIcfg 14.45/7.12 [2019-03-28 12:31:49,200 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.45/7.12 [2019-03-28 12:31:49,201 INFO L168 Benchmark]: Toolchain (without parser) took 2412.84 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 564.9 MB in the beginning and 439.2 MB in the end (delta: 125.7 MB). Peak memory consumption was 149.3 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,203 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.60 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.50 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 555.5 MB in the beginning and 640.8 MB in the end (delta: -85.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,205 INFO L168 Benchmark]: Boogie Preprocessor took 19.45 ms. Allocated memory is still 673.2 MB. Free memory was 640.8 MB in the beginning and 639.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,205 INFO L168 Benchmark]: RCFGBuilder took 184.45 ms. Allocated memory is still 673.2 MB. Free memory was 639.5 MB in the beginning and 624.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,206 INFO L168 Benchmark]: BlockEncodingV2 took 63.96 ms. Allocated memory is still 673.2 MB. Free memory was 624.8 MB in the beginning and 619.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,206 INFO L168 Benchmark]: TraceAbstraction took 156.25 ms. Allocated memory is still 673.2 MB. Free memory was 618.3 MB in the beginning and 610.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,207 INFO L168 Benchmark]: BuchiAutomizer took 1650.05 ms. Allocated memory is still 673.2 MB. Free memory was 610.1 MB in the beginning and 439.2 MB in the end (delta: 171.0 MB). Peak memory consumption was 171.0 MB. Max. memory is 50.3 GB. 14.45/7.12 [2019-03-28 12:31:49,211 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.45/7.12 --- Results --- 14.45/7.12 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.45/7.12 - StatisticsResult: Initial Icfg 14.45/7.12 7 locations, 10 edges 14.45/7.12 - StatisticsResult: Encoded RCFG 14.45/7.12 4 locations, 5 edges 14.45/7.12 * Results from de.uni_freiburg.informatik.ultimate.core: 14.45/7.12 - StatisticsResult: Toolchain Benchmarks 14.45/7.12 Benchmark results are: 14.45/7.12 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.45/7.12 * CACSL2BoogieTranslator took 230.60 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.45/7.12 * Boogie Procedure Inliner took 102.50 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 555.5 MB in the beginning and 640.8 MB in the end (delta: -85.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.45/7.12 * Boogie Preprocessor took 19.45 ms. Allocated memory is still 673.2 MB. Free memory was 640.8 MB in the beginning and 639.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.45/7.12 * RCFGBuilder took 184.45 ms. Allocated memory is still 673.2 MB. Free memory was 639.5 MB in the beginning and 624.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 14.45/7.12 * BlockEncodingV2 took 63.96 ms. Allocated memory is still 673.2 MB. Free memory was 624.8 MB in the beginning and 619.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 14.45/7.12 * TraceAbstraction took 156.25 ms. Allocated memory is still 673.2 MB. Free memory was 618.3 MB in the beginning and 610.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 14.45/7.12 * BuchiAutomizer took 1650.05 ms. Allocated memory is still 673.2 MB. Free memory was 610.1 MB in the beginning and 439.2 MB in the end (delta: 171.0 MB). Peak memory consumption was 171.0 MB. Max. memory is 50.3 GB. 14.45/7.12 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.45/7.12 - AllSpecificationsHoldResult: All specifications hold 14.45/7.12 We were not able to verify any specifiation because the program does not contain any specification. 14.45/7.12 - InvariantResult [Line: 16]: Loop Invariant 14.45/7.12 Derived loop invariant: 1 14.45/7.12 - StatisticsResult: Ultimate Automizer benchmark data 14.45/7.12 CFG has 1 procedures, 4 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=4occurred 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 14.45/7.12 - StatisticsResult: Constructed decomposition of program 14.45/7.12 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. 14.45/7.12 - StatisticsResult: Timing statistics 14.45/7.12 BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.0s. Construction of modules took 0.0s. 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 25 SDslu, 7 SDs, 0 SdLazy, 57 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf93 smp100 dnf100 smp100 tf113 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 14.45/7.12 - TerminationAnalysisResult: Termination proven 14.45/7.12 Buchi Automizer proved that your program is terminating 14.45/7.12 RESULT: Ultimate proved your program to be correct! 14.45/7.12 !SESSION 2019-03-28 12:31:43.535 ----------------------------------------------- 14.45/7.12 eclipse.buildId=unknown 14.45/7.12 java.version=1.8.0_181 14.45/7.12 java.vendor=Oracle Corporation 14.45/7.12 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.45/7.12 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.45/7.12 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 14.45/7.12 14.45/7.12 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:31:49.650 14.45/7.12 !MESSAGE The workspace will exit with unsaved changes in this session. 14.45/7.12 Received shutdown request... 14.45/7.12 Ultimate: 14.45/7.12 GTK+ Version Check 14.45/7.12 EOF