14.32/8.11 YES 14.32/8.11 14.32/8.11 Ultimate: Cannot open display: 14.32/8.11 This is Ultimate 0.1.24-8dc7c08-m 14.32/8.11 [2019-03-28 22:59:47,816 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.32/8.11 [2019-03-28 22:59:47,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.32/8.11 [2019-03-28 22:59:47,829 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.32/8.11 [2019-03-28 22:59:47,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.32/8.11 [2019-03-28 22:59:47,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.32/8.11 [2019-03-28 22:59:47,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.32/8.11 [2019-03-28 22:59:47,835 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.32/8.11 [2019-03-28 22:59:47,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.32/8.11 [2019-03-28 22:59:47,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.32/8.11 [2019-03-28 22:59:47,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.32/8.11 [2019-03-28 22:59:47,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.32/8.11 [2019-03-28 22:59:47,839 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.32/8.11 [2019-03-28 22:59:47,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.32/8.11 [2019-03-28 22:59:47,841 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.32/8.11 [2019-03-28 22:59:47,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.32/8.11 [2019-03-28 22:59:47,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.32/8.11 [2019-03-28 22:59:47,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.32/8.11 [2019-03-28 22:59:47,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.32/8.11 [2019-03-28 22:59:47,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.32/8.11 [2019-03-28 22:59:47,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,850 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.32/8.11 [2019-03-28 22:59:47,851 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.32/8.11 [2019-03-28 22:59:47,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.32/8.11 [2019-03-28 22:59:47,852 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,852 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.32/8.11 [2019-03-28 22:59:47,853 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.32/8.11 [2019-03-28 22:59:47,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.32/8.11 [2019-03-28 22:59:47,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.32/8.11 [2019-03-28 22:59:47,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.32/8.11 [2019-03-28 22:59:47,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.32/8.11 [2019-03-28 22:59:47,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.32/8.11 [2019-03-28 22:59:47,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.32/8.11 [2019-03-28 22:59:47,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.32/8.11 [2019-03-28 22:59:47,859 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.32/8.11 [2019-03-28 22:59:47,873 INFO L110 SettingsManager]: Loading preferences was successful 14.32/8.11 [2019-03-28 22:59:47,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.32/8.11 [2019-03-28 22:59:47,874 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.32/8.11 [2019-03-28 22:59:47,875 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.32/8.11 [2019-03-28 22:59:47,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.32/8.11 [2019-03-28 22:59:47,875 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.32/8.11 [2019-03-28 22:59:47,875 INFO L133 SettingsManager]: * Use SBE=true 14.32/8.11 [2019-03-28 22:59:47,875 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.32/8.11 [2019-03-28 22:59:47,876 INFO L133 SettingsManager]: * Use old map elimination=false 14.32/8.11 [2019-03-28 22:59:47,876 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.32/8.11 [2019-03-28 22:59:47,876 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.32/8.11 [2019-03-28 22:59:47,876 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.32/8.11 [2019-03-28 22:59:47,876 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.32/8.11 [2019-03-28 22:59:47,876 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.32/8.11 [2019-03-28 22:59:47,877 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:47,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.32/8.11 [2019-03-28 22:59:47,877 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.32/8.11 [2019-03-28 22:59:47,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.32/8.11 [2019-03-28 22:59:47,877 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.32/8.11 [2019-03-28 22:59:47,877 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.32/8.11 [2019-03-28 22:59:47,878 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.32/8.11 [2019-03-28 22:59:47,878 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.32/8.11 [2019-03-28 22:59:47,878 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.32/8.11 [2019-03-28 22:59:47,878 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.32/8.11 [2019-03-28 22:59:47,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.32/8.11 [2019-03-28 22:59:47,879 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.32/8.11 [2019-03-28 22:59:47,879 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.32/8.11 [2019-03-28 22:59:47,879 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.32/8.11 [2019-03-28 22:59:47,879 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.32/8.11 [2019-03-28 22:59:47,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.32/8.11 [2019-03-28 22:59:47,927 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.32/8.11 [2019-03-28 22:59:47,931 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.32/8.11 [2019-03-28 22:59:47,932 INFO L271 PluginConnector]: Initializing CDTParser... 14.32/8.11 [2019-03-28 22:59:47,932 INFO L276 PluginConnector]: CDTParser initialized 14.32/8.11 [2019-03-28 22:59:47,933 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.32/8.11 [2019-03-28 22:59:48,011 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/5b0b799d23694aa384f435e84acb998d/FLAG15243a418 14.32/8.11 [2019-03-28 22:59:48,550 INFO L307 CDTParser]: Found 1 translation units. 14.32/8.11 [2019-03-28 22:59:48,551 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.32/8.11 [2019-03-28 22:59:48,557 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/5b0b799d23694aa384f435e84acb998d/FLAG15243a418 14.32/8.11 [2019-03-28 22:59:48,957 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/5b0b799d23694aa384f435e84acb998d 14.32/8.11 [2019-03-28 22:59:48,968 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.32/8.11 [2019-03-28 22:59:48,970 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.32/8.11 [2019-03-28 22:59:48,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.32/8.11 [2019-03-28 22:59:48,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.32/8.11 [2019-03-28 22:59:48,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.32/8.11 [2019-03-28 22:59:48,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:59:48" (1/1) ... 14.32/8.11 [2019-03-28 22:59:48,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61574ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:48, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:48,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:59:48" (1/1) ... 14.32/8.11 [2019-03-28 22:59:48,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.32/8.11 [2019-03-28 22:59:49,003 INFO L176 MainTranslator]: Built tables and reachable declarations 14.32/8.11 [2019-03-28 22:59:49,160 INFO L206 PostProcessor]: Analyzing one entry point: main 14.32/8.11 [2019-03-28 22:59:49,164 INFO L191 MainTranslator]: Completed pre-run 14.32/8.11 [2019-03-28 22:59:49,181 INFO L206 PostProcessor]: Analyzing one entry point: main 14.32/8.11 [2019-03-28 22:59:49,196 INFO L195 MainTranslator]: Completed translation 14.32/8.11 [2019-03-28 22:59:49,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49 WrapperNode 14.32/8.11 [2019-03-28 22:59:49,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.32/8.11 [2019-03-28 22:59:49,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.32/8.11 [2019-03-28 22:59:49,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.32/8.11 [2019-03-28 22:59:49,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.32/8.11 [2019-03-28 22:59:49,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.32/8.11 [2019-03-28 22:59:49,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.32/8.11 [2019-03-28 22:59:49,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.32/8.11 [2019-03-28 22:59:49,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.32/8.11 [2019-03-28 22:59:49,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.32/8.11 [2019-03-28 22:59:49,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.32/8.11 [2019-03-28 22:59:49,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.32/8.11 [2019-03-28 22:59:49,316 INFO L276 PluginConnector]: RCFGBuilder initialized 14.32/8.11 [2019-03-28 22:59:49,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (1/1) ... 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.32/8.11 [2019-03-28 22:59:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.32/8.11 [2019-03-28 22:59:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.32/8.11 [2019-03-28 22:59:49,528 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.32/8.11 [2019-03-28 22:59:49,529 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.32/8.11 [2019-03-28 22:59:49,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:49 BoogieIcfgContainer 14.32/8.11 [2019-03-28 22:59:49,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.32/8.11 [2019-03-28 22:59:49,531 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.32/8.11 [2019-03-28 22:59:49,531 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.32/8.11 [2019-03-28 22:59:49,533 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.32/8.11 [2019-03-28 22:59:49,534 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:49" (1/1) ... 14.32/8.11 [2019-03-28 22:59:49,548 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.32/8.11 [2019-03-28 22:59:49,550 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.32/8.11 [2019-03-28 22:59:49,550 INFO L263 BlockEncoder]: Using Maximize final states 14.32/8.11 [2019-03-28 22:59:49,551 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.32/8.11 [2019-03-28 22:59:49,551 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.32/8.11 [2019-03-28 22:59:49,553 INFO L296 BlockEncoder]: Using Remove sink states 14.32/8.11 [2019-03-28 22:59:49,554 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.32/8.11 [2019-03-28 22:59:49,554 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.32/8.11 [2019-03-28 22:59:49,569 INFO L185 BlockEncoder]: Using Use SBE 14.32/8.11 [2019-03-28 22:59:49,576 INFO L200 BlockEncoder]: SBE split 0 edges 14.32/8.11 [2019-03-28 22:59:49,581 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.32/8.11 [2019-03-28 22:59:49,583 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.32/8.11 [2019-03-28 22:59:49,599 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.32/8.11 [2019-03-28 22:59:49,601 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.32/8.11 [2019-03-28 22:59:49,603 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.32/8.11 [2019-03-28 22:59:49,603 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.32/8.11 [2019-03-28 22:59:49,603 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.32/8.11 [2019-03-28 22:59:49,603 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.32/8.11 [2019-03-28 22:59:49,604 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.32/8.11 [2019-03-28 22:59:49,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:49 BasicIcfg 14.32/8.11 [2019-03-28 22:59:49,604 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.32/8.11 [2019-03-28 22:59:49,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.32/8.11 [2019-03-28 22:59:49,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.32/8.11 [2019-03-28 22:59:49,608 INFO L276 PluginConnector]: TraceAbstraction initialized 14.32/8.11 [2019-03-28 22:59:49,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:59:48" (1/4) ... 14.32/8.11 [2019-03-28 22:59:49,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443b6234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (2/4) ... 14.32/8.11 [2019-03-28 22:59:49,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443b6234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:49" (3/4) ... 14.32/8.11 [2019-03-28 22:59:49,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443b6234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:49" (4/4) ... 14.32/8.11 [2019-03-28 22:59:49,612 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.32/8.11 [2019-03-28 22:59:49,622 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.32/8.11 [2019-03-28 22:59:49,629 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.32/8.11 [2019-03-28 22:59:49,646 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.32/8.11 [2019-03-28 22:59:49,675 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.32/8.11 [2019-03-28 22:59:49,676 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.32/8.11 [2019-03-28 22:59:49,676 INFO L383 AbstractCegarLoop]: Hoare is true 14.32/8.11 [2019-03-28 22:59:49,676 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.32/8.11 [2019-03-28 22:59:49,676 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.32/8.11 [2019-03-28 22:59:49,676 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.32/8.11 [2019-03-28 22:59:49,677 INFO L387 AbstractCegarLoop]: Difference is false 14.32/8.11 [2019-03-28 22:59:49,677 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.32/8.11 [2019-03-28 22:59:49,677 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.32/8.11 [2019-03-28 22:59:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.32/8.11 [2019-03-28 22:59:49,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.32/8.11 [2019-03-28 22:59:49,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.32/8.11 [2019-03-28 22:59:49,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.32/8.11 [2019-03-28 22:59:49,752 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 15) the Hoare annotation is: true 14.32/8.11 [2019-03-28 22:59:49,752 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 17) the Hoare annotation is: true 14.32/8.11 [2019-03-28 22:59:49,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:49 BasicIcfg 14.32/8.11 [2019-03-28 22:59:49,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.32/8.11 [2019-03-28 22:59:49,762 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.32/8.11 [2019-03-28 22:59:49,762 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.32/8.11 [2019-03-28 22:59:49,765 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.32/8.11 [2019-03-28 22:59:49,766 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.32/8.11 [2019-03-28 22:59:49,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:59:48" (1/5) ... 14.32/8.11 [2019-03-28 22:59:49,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a51774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,767 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.32/8.11 [2019-03-28 22:59:49,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:49" (2/5) ... 14.32/8.11 [2019-03-28 22:59:49,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a51774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,768 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.32/8.11 [2019-03-28 22:59:49,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:49" (3/5) ... 14.32/8.11 [2019-03-28 22:59:49,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a51774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,768 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.32/8.11 [2019-03-28 22:59:49,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:49" (4/5) ... 14.32/8.11 [2019-03-28 22:59:49,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a51774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:49, skipping insertion in model container 14.32/8.11 [2019-03-28 22:59:49,769 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.32/8.11 [2019-03-28 22:59:49,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:49" (5/5) ... 14.32/8.11 [2019-03-28 22:59:49,771 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.32/8.11 [2019-03-28 22:59:49,799 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.32/8.11 [2019-03-28 22:59:49,799 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.32/8.11 [2019-03-28 22:59:49,799 INFO L375 BuchiCegarLoop]: Hoare is true 14.32/8.11 [2019-03-28 22:59:49,799 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.32/8.11 [2019-03-28 22:59:49,799 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.32/8.11 [2019-03-28 22:59:49,799 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.32/8.11 [2019-03-28 22:59:49,800 INFO L379 BuchiCegarLoop]: Difference is false 14.32/8.11 [2019-03-28 22:59:49,800 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.32/8.11 [2019-03-28 22:59:49,800 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.32/8.11 [2019-03-28 22:59:49,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.32/8.11 [2019-03-28 22:59:49,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.32/8.11 [2019-03-28 22:59:49,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.32/8.11 [2019-03-28 22:59:49,821 INFO L119 BuchiIsEmpty]: Starting construction of run 14.32/8.11 [2019-03-28 22:59:49,826 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.32/8.11 [2019-03-28 22:59:49,826 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.32/8.11 [2019-03-28 22:59:49,826 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.32/8.11 [2019-03-28 22:59:49,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.32/8.11 [2019-03-28 22:59:49,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.32/8.11 [2019-03-28 22:59:49,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.32/8.11 [2019-03-28 22:59:49,827 INFO L119 BuchiIsEmpty]: Starting construction of run 14.32/8.11 [2019-03-28 22:59:49,827 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.32/8.11 [2019-03-28 22:59:49,827 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.32/8.11 [2019-03-28 22:59:49,832 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 5#L10-2true 14.32/8.11 [2019-03-28 22:59:49,833 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~i~0_11) (= v_ULTIMATE.start_main_~j~0_9 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_14 (- 1)) v_ULTIMATE.start_main_~i~0_13) (< v_ULTIMATE.start_main_~i~0_14 (+ v_ULTIMATE.start_main_~j~0_10 1))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 14.32/8.11 [2019-03-28 22:59:49,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 14.32/8.11 [2019-03-28 22:59:49,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.32/8.11 [2019-03-28 22:59:49,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.32/8.11 [2019-03-28 22:59:49,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:49,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:49,924 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times 14.32/8.11 [2019-03-28 22:59:49,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.32/8.11 [2019-03-28 22:59:49,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.32/8.11 [2019-03-28 22:59:49,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:49,938 INFO L82 PathProgramCache]: Analyzing trace with hash 63719, now seen corresponding path program 1 times 14.32/8.11 [2019-03-28 22:59:49,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.32/8.11 [2019-03-28 22:59:49,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.32/8.11 [2019-03-28 22:59:49,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:49,999 INFO L216 LassoAnalysis]: Preferences: 14.32/8.11 [2019-03-28 22:59:50,000 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.32/8.11 [2019-03-28 22:59:50,000 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.32/8.11 [2019-03-28 22:59:50,001 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.32/8.11 [2019-03-28 22:59:50,001 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.32/8.11 [2019-03-28 22:59:50,001 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,001 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.32/8.11 [2019-03-28 22:59:50,001 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.32/8.11 [2019-03-28 22:59:50,002 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.32/8.11 [2019-03-28 22:59:50,002 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.32/8.11 [2019-03-28 22:59:50,002 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.32/8.11 [2019-03-28 22:59:50,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,164 INFO L300 LassoAnalysis]: Preprocessing complete. 14.32/8.11 [2019-03-28 22:59:50,165 INFO L412 LassoAnalysis]: Checking for nontermination... 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,171 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:50,204 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.32/8.11 [2019-03-28 22:59:50,204 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,210 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,210 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:50,237 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.32/8.11 [2019-03-28 22:59:50,238 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,242 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,242 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,273 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,273 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:50,306 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.32/8.11 [2019-03-28 22:59:50,308 INFO L216 LassoAnalysis]: Preferences: 14.32/8.11 [2019-03-28 22:59:50,308 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.32/8.11 [2019-03-28 22:59:50,309 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.32/8.11 [2019-03-28 22:59:50,309 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.32/8.11 [2019-03-28 22:59:50,309 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.32/8.11 [2019-03-28 22:59:50,309 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,309 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.32/8.11 [2019-03-28 22:59:50,309 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.32/8.11 [2019-03-28 22:59:50,310 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.32/8.11 [2019-03-28 22:59:50,310 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.32/8.11 [2019-03-28 22:59:50,310 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.32/8.11 [2019-03-28 22:59:50,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,433 INFO L300 LassoAnalysis]: Preprocessing complete. 14.32/8.11 [2019-03-28 22:59:50,439 INFO L497 LassoAnalysis]: Using template 'affine'. 14.32/8.11 [2019-03-28 22:59:50,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:50,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:50,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:50,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:50,443 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:50,448 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:50,448 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:50,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.32/8.11 [2019-03-28 22:59:50,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:50,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:50,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:50,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:50,459 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:50,461 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:50,462 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:50,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.32/8.11 [2019-03-28 22:59:50,470 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:50,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:50,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.32/8.11 [2019-03-28 22:59:50,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:50,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:50,472 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:50,473 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:50,473 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:50,481 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.32/8.11 [2019-03-28 22:59:50,487 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.32/8.11 [2019-03-28 22:59:50,488 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 14.32/8.11 [2019-03-28 22:59:50,490 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.32/8.11 [2019-03-28 22:59:50,490 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.32/8.11 [2019-03-28 22:59:50,490 INFO L518 LassoAnalysis]: Proved termination. 14.32/8.11 [2019-03-28 22:59:50,491 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.32/8.11 Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 14.32/8.11 Supporting invariants [] 14.32/8.11 [2019-03-28 22:59:50,492 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.32/8.11 [2019-03-28 22:59:50,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.32/8.11 [2019-03-28 22:59:50,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.32/8.11 [2019-03-28 22:59:50,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.32/8.11 [2019-03-28 22:59:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.32/8.11 [2019-03-28 22:59:50,544 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.32/8.11 [2019-03-28 22:59:50,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.32/8.11 [2019-03-28 22:59:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.32/8.11 [2019-03-28 22:59:50,586 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.32/8.11 [2019-03-28 22:59:50,591 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.32/8.11 [2019-03-28 22:59:50,592 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.32/8.11 [2019-03-28 22:59:50,621 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.32/8.11 [2019-03-28 22:59:50,621 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 14.32/8.11 [2019-03-28 22:59:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.32/8.11 [2019-03-28 22:59:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.32/8.11 [2019-03-28 22:59:50,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.32/8.11 [2019-03-28 22:59:50,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.32/8.11 [2019-03-28 22:59:50,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.32/8.11 [2019-03-28 22:59:50,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.32/8.11 [2019-03-28 22:59:50,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.32/8.11 [2019-03-28 22:59:50,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.32/8.11 [2019-03-28 22:59:50,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.32/8.11 [2019-03-28 22:59:50,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.32/8.11 [2019-03-28 22:59:50,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.32/8.11 [2019-03-28 22:59:50,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.32/8.11 [2019-03-28 22:59:50,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.32/8.11 [2019-03-28 22:59:50,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.32/8.11 [2019-03-28 22:59:50,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.32/8.11 [2019-03-28 22:59:50,640 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.32/8.11 [2019-03-28 22:59:50,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.32/8.11 [2019-03-28 22:59:50,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.32/8.11 [2019-03-28 22:59:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.32/8.11 [2019-03-28 22:59:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.32/8.11 [2019-03-28 22:59:50,669 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.32/8.11 [2019-03-28 22:59:50,669 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.32/8.11 [2019-03-28 22:59:50,669 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.32/8.11 [2019-03-28 22:59:50,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.32/8.11 [2019-03-28 22:59:50,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.32/8.11 [2019-03-28 22:59:50,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.32/8.11 [2019-03-28 22:59:50,670 INFO L119 BuchiIsEmpty]: Starting construction of run 14.32/8.11 [2019-03-28 22:59:50,671 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.32/8.11 [2019-03-28 22:59:50,671 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.32/8.11 [2019-03-28 22:59:50,671 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 46#L10-2 [39] L10-2-->L12-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~i~0_11) (= v_ULTIMATE.start_main_~j~0_9 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 42#L12-2 14.32/8.11 [2019-03-28 22:59:50,671 INFO L796 eck$LassoCheckResult]: Loop: 42#L12-2 [33] L12-2-->L12-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~j~0_8 1))) (and (<= .cse0 v_ULTIMATE.start_main_~i~0_7) (= v_ULTIMATE.start_main_~j~0_7 .cse0) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 42#L12-2 14.32/8.11 [2019-03-28 22:59:50,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:50,672 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times 14.32/8.11 [2019-03-28 22:59:50,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.32/8.11 [2019-03-28 22:59:50,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.32/8.11 [2019-03-28 22:59:50,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:50,681 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 14.32/8.11 [2019-03-28 22:59:50,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.32/8.11 [2019-03-28 22:59:50,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.32/8.11 [2019-03-28 22:59:50,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:50,688 INFO L82 PathProgramCache]: Analyzing trace with hash 63707, now seen corresponding path program 1 times 14.32/8.11 [2019-03-28 22:59:50,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.32/8.11 [2019-03-28 22:59:50,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.32/8.11 [2019-03-28 22:59:50,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.32/8.11 [2019-03-28 22:59:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.32/8.11 [2019-03-28 22:59:50,714 INFO L216 LassoAnalysis]: Preferences: 14.32/8.11 [2019-03-28 22:59:50,714 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.32/8.11 [2019-03-28 22:59:50,714 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.32/8.11 [2019-03-28 22:59:50,714 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.32/8.11 [2019-03-28 22:59:50,714 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.32/8.11 [2019-03-28 22:59:50,715 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,715 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.32/8.11 [2019-03-28 22:59:50,715 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.32/8.11 [2019-03-28 22:59:50,715 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.32/8.11 [2019-03-28 22:59:50,715 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.32/8.11 [2019-03-28 22:59:50,715 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.32/8.11 [2019-03-28 22:59:50,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:50,780 INFO L300 LassoAnalysis]: Preprocessing complete. 14.32/8.11 [2019-03-28 22:59:50,780 INFO L412 LassoAnalysis]: Checking for nontermination... 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,784 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,784 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:50,811 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.32/8.11 [2019-03-28 22:59:50,811 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,815 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,816 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:50,843 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.32/8.11 [2019-03-28 22:59:50,843 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,848 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,848 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,880 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,880 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:50,916 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.32/8.11 [2019-03-28 22:59:50,916 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,948 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,948 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.32/8.11 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.32/8.11 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:50,992 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.32/8.11 [2019-03-28 22:59:50,992 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.32/8.11 [2019-03-28 22:59:51,205 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.32/8.11 [2019-03-28 22:59:51,207 INFO L216 LassoAnalysis]: Preferences: 14.32/8.11 [2019-03-28 22:59:51,208 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.32/8.11 [2019-03-28 22:59:51,208 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.32/8.11 [2019-03-28 22:59:51,208 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.32/8.11 [2019-03-28 22:59:51,208 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.32/8.11 [2019-03-28 22:59:51,208 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.32/8.11 [2019-03-28 22:59:51,208 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.32/8.11 [2019-03-28 22:59:51,209 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.32/8.11 [2019-03-28 22:59:51,209 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.32/8.11 [2019-03-28 22:59:51,209 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.32/8.11 [2019-03-28 22:59:51,209 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.32/8.11 [2019-03-28 22:59:51,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:51,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:51,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:51,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.32/8.11 [2019-03-28 22:59:51,279 INFO L300 LassoAnalysis]: Preprocessing complete. 14.32/8.11 [2019-03-28 22:59:51,280 INFO L497 LassoAnalysis]: Using template 'affine'. 14.32/8.11 [2019-03-28 22:59:51,280 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:51,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:51,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:51,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:51,282 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:51,284 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:51,285 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:51,290 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.32/8.11 [2019-03-28 22:59:51,291 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:51,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:51,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.32/8.11 [2019-03-28 22:59:51,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:51,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:51,292 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:51,293 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:51,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:51,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.32/8.11 [2019-03-28 22:59:51,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:51,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:51,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:51,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:51,299 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:51,300 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:51,301 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:51,307 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.32/8.11 [2019-03-28 22:59:51,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.32/8.11 Termination analysis: LINEAR_WITH_GUESSES 14.32/8.11 Number of strict supporting invariants: 0 14.32/8.11 Number of non-strict supporting invariants: 1 14.32/8.11 Consider only non-deceasing supporting invariants: true 14.32/8.11 Simplify termination arguments: true 14.32/8.11 Simplify supporting invariants: trueOverapproximate stem: false 14.32/8.11 [2019-03-28 22:59:51,308 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.32/8.11 [2019-03-28 22:59:51,308 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.32/8.11 [2019-03-28 22:59:51,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.32/8.11 [2019-03-28 22:59:51,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.32/8.11 [2019-03-28 22:59:51,309 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.32/8.11 [2019-03-28 22:59:51,309 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.32/8.11 [2019-03-28 22:59:51,310 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.32/8.11 [2019-03-28 22:59:51,314 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.32/8.11 [2019-03-28 22:59:51,319 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.32/8.11 [2019-03-28 22:59:51,319 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.32/8.11 [2019-03-28 22:59:51,320 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.32/8.11 [2019-03-28 22:59:51,320 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.32/8.11 [2019-03-28 22:59:51,320 INFO L518 LassoAnalysis]: Proved termination. 14.32/8.11 [2019-03-28 22:59:51,321 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.32/8.11 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~j~0 14.32/8.11 Supporting invariants [] 14.32/8.11 [2019-03-28 22:59:51,321 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.32/8.11 [2019-03-28 22:59:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.32/8.11 [2019-03-28 22:59:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.32/8.11 [2019-03-28 22:59:51,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 14.32/8.11 [2019-03-28 22:59:51,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.32/8.11 [2019-03-28 22:59:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.32/8.11 [2019-03-28 22:59:51,353 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.32/8.11 [2019-03-28 22:59:51,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.32/8.11 [2019-03-28 22:59:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.32/8.11 [2019-03-28 22:59:51,354 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.32/8.11 [2019-03-28 22:59:51,354 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 14.32/8.11 [2019-03-28 22:59:51,354 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.32/8.11 [2019-03-28 22:59:51,365 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 10 transitions. Complement of second has 4 states. 14.32/8.11 [2019-03-28 22:59:51,366 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 14.32/8.11 [2019-03-28 22:59:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.32/8.11 [2019-03-28 22:59:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 14.32/8.11 [2019-03-28 22:59:51,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 14.32/8.11 [2019-03-28 22:59:51,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.32/8.11 [2019-03-28 22:59:51,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 14.32/8.11 [2019-03-28 22:59:51,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.32/8.11 [2019-03-28 22:59:51,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 14.32/8.11 [2019-03-28 22:59:51,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.32/8.11 [2019-03-28 22:59:51,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 14.32/8.11 [2019-03-28 22:59:51,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.32/8.11 [2019-03-28 22:59:51,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. 14.32/8.11 [2019-03-28 22:59:51,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.32/8.11 [2019-03-28 22:59:51,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.32/8.11 [2019-03-28 22:59:51,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.32/8.11 [2019-03-28 22:59:51,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.32/8.11 [2019-03-28 22:59:51,372 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.32/8.11 [2019-03-28 22:59:51,372 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.32/8.11 [2019-03-28 22:59:51,372 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.32/8.11 [2019-03-28 22:59:51,372 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.32/8.11 [2019-03-28 22:59:51,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.32/8.11 [2019-03-28 22:59:51,372 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.32/8.11 [2019-03-28 22:59:51,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.32/8.11 [2019-03-28 22:59:51,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:51 BasicIcfg 14.32/8.11 [2019-03-28 22:59:51,379 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.32/8.11 [2019-03-28 22:59:51,379 INFO L168 Benchmark]: Toolchain (without parser) took 2410.67 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 560.4 MB in the beginning and 456.1 MB in the end (delta: 104.4 MB). Peak memory consumption was 123.8 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,381 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 579.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.54 ms. Allocated memory is still 649.6 MB. Free memory was 560.4 MB in the beginning and 550.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.28 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 549.6 MB in the beginning and 635.8 MB in the end (delta: -86.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,383 INFO L168 Benchmark]: Boogie Preprocessor took 21.08 ms. Allocated memory is still 669.0 MB. Free memory was 635.8 MB in the beginning and 634.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,384 INFO L168 Benchmark]: RCFGBuilder took 214.72 ms. Allocated memory is still 669.0 MB. Free memory was 634.8 MB in the beginning and 619.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,385 INFO L168 Benchmark]: BlockEncodingV2 took 73.74 ms. Allocated memory is still 669.0 MB. Free memory was 619.6 MB in the beginning and 615.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,385 INFO L168 Benchmark]: TraceAbstraction took 155.89 ms. Allocated memory is still 669.0 MB. Free memory was 614.2 MB in the beginning and 605.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,386 INFO L168 Benchmark]: BuchiAutomizer took 1617.28 ms. Allocated memory is still 669.0 MB. Free memory was 605.4 MB in the beginning and 456.1 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 50.3 GB. 14.32/8.11 [2019-03-28 22:59:51,390 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.32/8.11 --- Results --- 14.32/8.11 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.32/8.11 - StatisticsResult: Initial Icfg 14.32/8.11 8 locations, 11 edges 14.32/8.11 - StatisticsResult: Encoded RCFG 14.32/8.11 3 locations, 4 edges 14.32/8.11 * Results from de.uni_freiburg.informatik.ultimate.core: 14.32/8.11 - StatisticsResult: Toolchain Benchmarks 14.32/8.11 Benchmark results are: 14.32/8.11 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 579.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.32/8.11 * CACSL2BoogieTranslator took 226.54 ms. Allocated memory is still 649.6 MB. Free memory was 560.4 MB in the beginning and 550.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 14.32/8.11 * Boogie Procedure Inliner took 96.28 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 549.6 MB in the beginning and 635.8 MB in the end (delta: -86.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.32/8.11 * Boogie Preprocessor took 21.08 ms. Allocated memory is still 669.0 MB. Free memory was 635.8 MB in the beginning and 634.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.32/8.11 * RCFGBuilder took 214.72 ms. Allocated memory is still 669.0 MB. Free memory was 634.8 MB in the beginning and 619.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 14.32/8.11 * BlockEncodingV2 took 73.74 ms. Allocated memory is still 669.0 MB. Free memory was 619.6 MB in the beginning and 615.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 14.32/8.11 * TraceAbstraction took 155.89 ms. Allocated memory is still 669.0 MB. Free memory was 614.2 MB in the beginning and 605.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 14.32/8.11 * BuchiAutomizer took 1617.28 ms. Allocated memory is still 669.0 MB. Free memory was 605.4 MB in the beginning and 456.1 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 50.3 GB. 14.32/8.11 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.32/8.11 - AllSpecificationsHoldResult: All specifications hold 14.32/8.11 We were not able to verify any specifiation because the program does not contain any specification. 14.32/8.11 - InvariantResult [Line: 12]: Loop Invariant 14.32/8.11 Derived loop invariant: 1 14.32/8.11 - InvariantResult [Line: 10]: Loop Invariant 14.32/8.11 Derived loop invariant: 1 14.32/8.11 - StatisticsResult: Ultimate Automizer benchmark data 14.32/8.11 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.32/8.11 - StatisticsResult: Constructed decomposition of program 14.32/8.11 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * i + 1 and consists of 3 locations. One nondeterministic module has affine ranking function i + -1 * j and consists of 3 locations. 14.32/8.11 - StatisticsResult: Timing statistics 14.32/8.11 BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax168 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp94 dnf100 smp100 tf110 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 14.32/8.11 - TerminationAnalysisResult: Termination proven 14.32/8.11 Buchi Automizer proved that your program is terminating 14.32/8.11 RESULT: Ultimate proved your program to be correct! 14.32/8.11 !SESSION 2019-03-28 22:59:45.263 ----------------------------------------------- 14.32/8.11 eclipse.buildId=unknown 14.32/8.11 java.version=1.8.0_181 14.32/8.11 java.vendor=Oracle Corporation 14.32/8.11 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.32/8.11 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.32/8.11 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 14.32/8.11 14.32/8.11 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:59:51.623 14.32/8.11 !MESSAGE The workspace will exit with unsaved changes in this session. 14.32/8.11 Received shutdown request... 14.32/8.11 Ultimate: 14.32/8.11 GTK+ Version Check 14.32/8.11 EOF