14.84/7.03 YES 14.84/7.03 14.84/7.03 Ultimate: Cannot open display: 14.84/7.03 This is Ultimate 0.1.24-8dc7c08-m 14.84/7.03 [2019-03-28 22:58:30,596 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.84/7.03 [2019-03-28 22:58:30,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.84/7.03 [2019-03-28 22:58:30,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.84/7.03 [2019-03-28 22:58:30,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.84/7.03 [2019-03-28 22:58:30,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.84/7.03 [2019-03-28 22:58:30,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.84/7.03 [2019-03-28 22:58:30,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.84/7.03 [2019-03-28 22:58:30,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.84/7.03 [2019-03-28 22:58:30,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.84/7.03 [2019-03-28 22:58:30,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.84/7.03 [2019-03-28 22:58:30,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.84/7.03 [2019-03-28 22:58:30,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.84/7.03 [2019-03-28 22:58:30,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.84/7.03 [2019-03-28 22:58:30,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.84/7.03 [2019-03-28 22:58:30,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.84/7.03 [2019-03-28 22:58:30,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.84/7.03 [2019-03-28 22:58:30,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.84/7.03 [2019-03-28 22:58:30,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.84/7.03 [2019-03-28 22:58:30,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.84/7.03 [2019-03-28 22:58:30,631 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.84/7.03 [2019-03-28 22:58:30,632 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.84/7.03 [2019-03-28 22:58:30,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.84/7.03 [2019-03-28 22:58:30,634 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.84/7.03 [2019-03-28 22:58:30,635 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.84/7.03 [2019-03-28 22:58:30,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.84/7.03 [2019-03-28 22:58:30,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.84/7.03 [2019-03-28 22:58:30,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.84/7.03 [2019-03-28 22:58:30,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,638 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.84/7.03 [2019-03-28 22:58:30,638 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.84/7.03 [2019-03-28 22:58:30,639 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.84/7.03 [2019-03-28 22:58:30,640 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.84/7.03 [2019-03-28 22:58:30,640 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.84/7.03 [2019-03-28 22:58:30,655 INFO L110 SettingsManager]: Loading preferences was successful 14.84/7.03 [2019-03-28 22:58:30,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.84/7.03 [2019-03-28 22:58:30,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.84/7.03 [2019-03-28 22:58:30,656 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.84/7.03 [2019-03-28 22:58:30,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.84/7.03 [2019-03-28 22:58:30,657 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.84/7.03 [2019-03-28 22:58:30,657 INFO L133 SettingsManager]: * Use SBE=true 14.84/7.03 [2019-03-28 22:58:30,657 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.84/7.03 [2019-03-28 22:58:30,657 INFO L133 SettingsManager]: * Use old map elimination=false 14.84/7.03 [2019-03-28 22:58:30,657 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.84/7.03 [2019-03-28 22:58:30,657 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.84/7.03 [2019-03-28 22:58:30,658 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.84/7.03 [2019-03-28 22:58:30,658 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.84/7.03 [2019-03-28 22:58:30,658 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.84/7.03 [2019-03-28 22:58:30,658 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:30,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.84/7.03 [2019-03-28 22:58:30,658 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.84/7.03 [2019-03-28 22:58:30,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.84/7.03 [2019-03-28 22:58:30,659 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.84/7.03 [2019-03-28 22:58:30,659 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.84/7.03 [2019-03-28 22:58:30,659 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.84/7.03 [2019-03-28 22:58:30,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.84/7.03 [2019-03-28 22:58:30,660 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.84/7.03 [2019-03-28 22:58:30,660 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.84/7.03 [2019-03-28 22:58:30,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.84/7.03 [2019-03-28 22:58:30,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.84/7.03 [2019-03-28 22:58:30,660 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.84/7.03 [2019-03-28 22:58:30,660 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.84/7.03 [2019-03-28 22:58:30,661 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.84/7.03 [2019-03-28 22:58:30,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.84/7.03 [2019-03-28 22:58:30,699 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.84/7.03 [2019-03-28 22:58:30,702 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.84/7.03 [2019-03-28 22:58:30,704 INFO L271 PluginConnector]: Initializing CDTParser... 14.84/7.03 [2019-03-28 22:58:30,704 INFO L276 PluginConnector]: CDTParser initialized 14.84/7.03 [2019-03-28 22:58:30,705 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.84/7.03 [2019-03-28 22:58:30,813 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7cc0c351250c48a2bf3f59d9272ea3cf/FLAG26b9e4824 14.84/7.03 [2019-03-28 22:58:31,150 INFO L307 CDTParser]: Found 1 translation units. 14.84/7.03 [2019-03-28 22:58:31,151 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.84/7.03 [2019-03-28 22:58:31,157 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7cc0c351250c48a2bf3f59d9272ea3cf/FLAG26b9e4824 14.84/7.03 [2019-03-28 22:58:31,566 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7cc0c351250c48a2bf3f59d9272ea3cf 14.84/7.03 [2019-03-28 22:58:31,577 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.84/7.03 [2019-03-28 22:58:31,579 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.84/7.03 [2019-03-28 22:58:31,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.84/7.03 [2019-03-28 22:58:31,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.84/7.03 [2019-03-28 22:58:31,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.84/7.03 [2019-03-28 22:58:31,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37194ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:31,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.84/7.03 [2019-03-28 22:58:31,613 INFO L176 MainTranslator]: Built tables and reachable declarations 14.84/7.03 [2019-03-28 22:58:31,771 INFO L206 PostProcessor]: Analyzing one entry point: main 14.84/7.03 [2019-03-28 22:58:31,775 INFO L191 MainTranslator]: Completed pre-run 14.84/7.03 [2019-03-28 22:58:31,792 INFO L206 PostProcessor]: Analyzing one entry point: main 14.84/7.03 [2019-03-28 22:58:31,807 INFO L195 MainTranslator]: Completed translation 14.84/7.03 [2019-03-28 22:58:31,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31 WrapperNode 14.84/7.03 [2019-03-28 22:58:31,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.84/7.03 [2019-03-28 22:58:31,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.84/7.03 [2019-03-28 22:58:31,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.84/7.03 [2019-03-28 22:58:31,809 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.84/7.03 [2019-03-28 22:58:31,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.84/7.03 [2019-03-28 22:58:31,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.84/7.03 [2019-03-28 22:58:31,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.84/7.03 [2019-03-28 22:58:31,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.84/7.03 [2019-03-28 22:58:31,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 [2019-03-28 22:58:31,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.84/7.03 [2019-03-28 22:58:31,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.84/7.03 [2019-03-28 22:58:31,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.84/7.03 [2019-03-28 22:58:31,929 INFO L276 PluginConnector]: RCFGBuilder initialized 14.84/7.03 [2019-03-28 22:58:31,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (1/1) ... 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.84/7.03 [2019-03-28 22:58:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.84/7.03 [2019-03-28 22:58:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.84/7.03 [2019-03-28 22:58:32,143 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.84/7.03 [2019-03-28 22:58:32,144 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.84/7.03 [2019-03-28 22:58:32,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:32 BoogieIcfgContainer 14.84/7.03 [2019-03-28 22:58:32,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.84/7.03 [2019-03-28 22:58:32,146 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.84/7.03 [2019-03-28 22:58:32,146 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.84/7.03 [2019-03-28 22:58:32,149 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.84/7.03 [2019-03-28 22:58:32,150 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:32" (1/1) ... 14.84/7.03 [2019-03-28 22:58:32,166 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.84/7.03 [2019-03-28 22:58:32,168 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.84/7.03 [2019-03-28 22:58:32,169 INFO L263 BlockEncoder]: Using Maximize final states 14.84/7.03 [2019-03-28 22:58:32,170 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.84/7.03 [2019-03-28 22:58:32,170 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.84/7.03 [2019-03-28 22:58:32,172 INFO L296 BlockEncoder]: Using Remove sink states 14.84/7.03 [2019-03-28 22:58:32,173 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.84/7.03 [2019-03-28 22:58:32,173 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.84/7.03 [2019-03-28 22:58:32,189 INFO L185 BlockEncoder]: Using Use SBE 14.84/7.03 [2019-03-28 22:58:32,197 INFO L200 BlockEncoder]: SBE split 0 edges 14.84/7.03 [2019-03-28 22:58:32,202 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.84/7.03 [2019-03-28 22:58:32,204 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.84/7.03 [2019-03-28 22:58:32,221 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.84/7.03 [2019-03-28 22:58:32,224 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.84/7.03 [2019-03-28 22:58:32,225 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.84/7.03 [2019-03-28 22:58:32,225 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.84/7.03 [2019-03-28 22:58:32,225 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.84/7.03 [2019-03-28 22:58:32,226 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.84/7.03 [2019-03-28 22:58:32,226 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.84/7.03 [2019-03-28 22:58:32,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:32 BasicIcfg 14.84/7.03 [2019-03-28 22:58:32,227 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.84/7.03 [2019-03-28 22:58:32,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.84/7.03 [2019-03-28 22:58:32,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.84/7.03 [2019-03-28 22:58:32,231 INFO L276 PluginConnector]: TraceAbstraction initialized 14.84/7.03 [2019-03-28 22:58:32,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:58:31" (1/4) ... 14.84/7.03 [2019-03-28 22:58:32,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ca9597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (2/4) ... 14.84/7.03 [2019-03-28 22:58:32,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ca9597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:32" (3/4) ... 14.84/7.03 [2019-03-28 22:58:32,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ca9597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:32" (4/4) ... 14.84/7.03 [2019-03-28 22:58:32,235 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.84/7.03 [2019-03-28 22:58:32,246 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.84/7.03 [2019-03-28 22:58:32,254 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.84/7.03 [2019-03-28 22:58:32,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.84/7.03 [2019-03-28 22:58:32,301 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.84/7.03 [2019-03-28 22:58:32,302 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.84/7.03 [2019-03-28 22:58:32,302 INFO L383 AbstractCegarLoop]: Hoare is true 14.84/7.03 [2019-03-28 22:58:32,302 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.84/7.03 [2019-03-28 22:58:32,302 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.84/7.03 [2019-03-28 22:58:32,303 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.84/7.03 [2019-03-28 22:58:32,303 INFO L387 AbstractCegarLoop]: Difference is false 14.84/7.03 [2019-03-28 22:58:32,303 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.84/7.03 [2019-03-28 22:58:32,303 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.84/7.03 [2019-03-28 22:58:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.84/7.03 [2019-03-28 22:58:32,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.84/7.03 [2019-03-28 22:58:32,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.84/7.03 [2019-03-28 22:58:32,377 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.84/7.03 [2019-03-28 22:58:32,378 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 16) the Hoare annotation is: true 14.84/7.03 [2019-03-28 22:58:32,378 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 18) the Hoare annotation is: true 14.84/7.03 [2019-03-28 22:58:32,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:32 BasicIcfg 14.84/7.03 [2019-03-28 22:58:32,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.84/7.03 [2019-03-28 22:58:32,387 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.84/7.03 [2019-03-28 22:58:32,388 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.84/7.03 [2019-03-28 22:58:32,391 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.84/7.03 [2019-03-28 22:58:32,392 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.84/7.03 [2019-03-28 22:58:32,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:58:31" (1/5) ... 14.84/7.03 [2019-03-28 22:58:32,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73dfa4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.84/7.03 [2019-03-28 22:58:32,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:31" (2/5) ... 14.84/7.03 [2019-03-28 22:58:32,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73dfa4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.84/7.03 [2019-03-28 22:58:32,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:32" (3/5) ... 14.84/7.03 [2019-03-28 22:58:32,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73dfa4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.84/7.03 [2019-03-28 22:58:32,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:32" (4/5) ... 14.84/7.03 [2019-03-28 22:58:32,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73dfa4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:32, skipping insertion in model container 14.84/7.03 [2019-03-28 22:58:32,395 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.84/7.03 [2019-03-28 22:58:32,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:32" (5/5) ... 14.84/7.03 [2019-03-28 22:58:32,397 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.84/7.03 [2019-03-28 22:58:32,425 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.84/7.03 [2019-03-28 22:58:32,425 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.84/7.03 [2019-03-28 22:58:32,425 INFO L375 BuchiCegarLoop]: Hoare is true 14.84/7.03 [2019-03-28 22:58:32,426 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.84/7.03 [2019-03-28 22:58:32,426 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.84/7.03 [2019-03-28 22:58:32,426 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.84/7.03 [2019-03-28 22:58:32,426 INFO L379 BuchiCegarLoop]: Difference is false 14.84/7.03 [2019-03-28 22:58:32,426 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.84/7.03 [2019-03-28 22:58:32,426 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.84/7.03 [2019-03-28 22:58:32,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.84/7.03 [2019-03-28 22:58:32,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.84/7.03 [2019-03-28 22:58:32,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.84/7.03 [2019-03-28 22:58:32,447 INFO L119 BuchiIsEmpty]: Starting construction of run 14.84/7.03 [2019-03-28 22:58:32,452 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.84/7.03 [2019-03-28 22:58:32,452 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.84/7.03 [2019-03-28 22:58:32,452 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.84/7.03 [2019-03-28 22:58:32,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.84/7.03 [2019-03-28 22:58:32,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.84/7.03 [2019-03-28 22:58:32,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.84/7.03 [2019-03-28 22:58:32,453 INFO L119 BuchiIsEmpty]: Starting construction of run 14.84/7.03 [2019-03-28 22:58:32,454 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.84/7.03 [2019-03-28 22:58:32,454 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.84/7.03 [2019-03-28 22:58:32,459 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L11-2true 14.84/7.03 [2019-03-28 22:58:32,459 INFO L796 eck$LassoCheckResult]: Loop: 5#L11-2true [41] L11-2-->L13-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 4#L13-2true [45] L13-2-->L11-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13) (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L11-2true 14.84/7.03 [2019-03-28 22:58:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:32,466 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:32,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:32,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:32,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:32,538 INFO L82 PathProgramCache]: Analyzing trace with hash 2277, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:32,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:32,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:32,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.84/7.03 [2019-03-28 22:58:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.84/7.03 [2019-03-28 22:58:32,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.84/7.03 [2019-03-28 22:58:32,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 14.84/7.03 [2019-03-28 22:58:32,601 INFO L811 eck$LassoCheckResult]: loop already infeasible 14.84/7.03 [2019-03-28 22:58:32,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.84/7.03 [2019-03-28 22:58:32,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.84/7.03 [2019-03-28 22:58:32,619 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 14.84/7.03 [2019-03-28 22:58:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.84/7.03 [2019-03-28 22:58:32,638 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.84/7.03 [2019-03-28 22:58:32,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.84/7.03 [2019-03-28 22:58:32,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.84/7.03 [2019-03-28 22:58:32,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.84/7.03 [2019-03-28 22:58:32,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.84/7.03 [2019-03-28 22:58:32,649 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 14.84/7.03 [2019-03-28 22:58:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.84/7.03 [2019-03-28 22:58:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,678 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,678 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,678 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.84/7.03 [2019-03-28 22:58:32,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 14.84/7.03 [2019-03-28 22:58:32,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.84/7.03 [2019-03-28 22:58:32,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.84/7.03 [2019-03-28 22:58:32,679 INFO L119 BuchiIsEmpty]: Starting construction of run 14.84/7.03 [2019-03-28 22:58:32,679 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.84/7.03 [2019-03-28 22:58:32,679 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.84/7.03 [2019-03-28 22:58:32,680 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 17#L11-2 14.84/7.03 [2019-03-28 22:58:32,680 INFO L796 eck$LassoCheckResult]: Loop: 17#L11-2 [41] L11-2-->L13-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 18#L13-2 [35] L13-2-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0] 19#L13-2 [45] L13-2-->L11-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13) (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 17#L11-2 14.84/7.03 [2019-03-28 22:58:32,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:32,681 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 2 times 14.84/7.03 [2019-03-28 22:58:32,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:32,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:32,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:32,688 INFO L82 PathProgramCache]: Analyzing trace with hash 70322, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:32,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:32,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:32,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,690 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:32,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1917364, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:32,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:32,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:32,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:32,793 INFO L216 LassoAnalysis]: Preferences: 14.84/7.03 [2019-03-28 22:58:32,794 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.84/7.03 [2019-03-28 22:58:32,794 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.84/7.03 [2019-03-28 22:58:32,795 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.84/7.03 [2019-03-28 22:58:32,795 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.84/7.03 [2019-03-28 22:58:32,795 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:32,795 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.84/7.03 [2019-03-28 22:58:32,795 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.84/7.03 [2019-03-28 22:58:32,795 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.84/7.03 [2019-03-28 22:58:32,796 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.84/7.03 [2019-03-28 22:58:32,796 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.84/7.03 [2019-03-28 22:58:32,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:32,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:32,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:32,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:32,943 INFO L300 LassoAnalysis]: Preprocessing complete. 14.84/7.03 [2019-03-28 22:58:32,944 INFO L412 LassoAnalysis]: Checking for nontermination... 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:32,952 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:32,953 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 [2019-03-28 22:58:32,987 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.84/7.03 [2019-03-28 22:58:32,988 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: [] 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:32,999 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:32,999 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 [2019-03-28 22:58:33,027 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.84/7.03 [2019-03-28 22:58:33,028 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: [] 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,036 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,036 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,067 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,067 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 [2019-03-28 22:58:33,105 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.84/7.03 [2019-03-28 22:58:33,106 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] 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,133 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,134 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,165 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,165 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 [2019-03-28 22:58:33,198 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.84/7.03 [2019-03-28 22:58:33,200 INFO L216 LassoAnalysis]: Preferences: 14.84/7.03 [2019-03-28 22:58:33,201 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.84/7.03 [2019-03-28 22:58:33,201 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.84/7.03 [2019-03-28 22:58:33,201 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.84/7.03 [2019-03-28 22:58:33,201 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.84/7.03 [2019-03-28 22:58:33,201 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,201 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.84/7.03 [2019-03-28 22:58:33,201 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.84/7.03 [2019-03-28 22:58:33,202 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.84/7.03 [2019-03-28 22:58:33,202 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.84/7.03 [2019-03-28 22:58:33,202 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.84/7.03 [2019-03-28 22:58:33,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,297 INFO L300 LassoAnalysis]: Preprocessing complete. 14.84/7.03 [2019-03-28 22:58:33,302 INFO L497 LassoAnalysis]: Using template 'affine'. 14.84/7.03 [2019-03-28 22:58:33,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.84/7.03 Termination analysis: LINEAR_WITH_GUESSES 14.84/7.03 Number of strict supporting invariants: 0 14.84/7.03 Number of non-strict supporting invariants: 1 14.84/7.03 Consider only non-deceasing supporting invariants: true 14.84/7.03 Simplify termination arguments: true 14.84/7.03 Simplify supporting invariants: trueOverapproximate stem: false 14.84/7.03 [2019-03-28 22:58:33,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.84/7.03 [2019-03-28 22:58:33,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.84/7.03 [2019-03-28 22:58:33,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.84/7.03 [2019-03-28 22:58:33,307 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.84/7.03 [2019-03-28 22:58:33,311 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.84/7.03 [2019-03-28 22:58:33,312 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.84/7.03 [2019-03-28 22:58:33,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.84/7.03 [2019-03-28 22:58:33,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.84/7.03 Termination analysis: LINEAR_WITH_GUESSES 14.84/7.03 Number of strict supporting invariants: 0 14.84/7.03 Number of non-strict supporting invariants: 1 14.84/7.03 Consider only non-deceasing supporting invariants: true 14.84/7.03 Simplify termination arguments: true 14.84/7.03 Simplify supporting invariants: trueOverapproximate stem: false 14.84/7.03 [2019-03-28 22:58:33,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.84/7.03 [2019-03-28 22:58:33,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.84/7.03 [2019-03-28 22:58:33,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.84/7.03 [2019-03-28 22:58:33,320 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.84/7.03 [2019-03-28 22:58:33,323 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.84/7.03 [2019-03-28 22:58:33,323 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.84/7.03 [2019-03-28 22:58:33,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.84/7.03 [2019-03-28 22:58:33,333 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.84/7.03 Termination analysis: LINEAR_WITH_GUESSES 14.84/7.03 Number of strict supporting invariants: 0 14.84/7.03 Number of non-strict supporting invariants: 1 14.84/7.03 Consider only non-deceasing supporting invariants: true 14.84/7.03 Simplify termination arguments: true 14.84/7.03 Simplify supporting invariants: trueOverapproximate stem: false 14.84/7.03 [2019-03-28 22:58:33,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.84/7.03 [2019-03-28 22:58:33,334 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.84/7.03 [2019-03-28 22:58:33,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.84/7.03 [2019-03-28 22:58:33,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.84/7.03 [2019-03-28 22:58:33,335 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.84/7.03 [2019-03-28 22:58:33,336 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.84/7.03 [2019-03-28 22:58:33,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.84/7.03 [2019-03-28 22:58:33,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.84/7.03 [2019-03-28 22:58:33,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.84/7.03 Termination analysis: LINEAR_WITH_GUESSES 14.84/7.03 Number of strict supporting invariants: 0 14.84/7.03 Number of non-strict supporting invariants: 1 14.84/7.03 Consider only non-deceasing supporting invariants: true 14.84/7.03 Simplify termination arguments: true 14.84/7.03 Simplify supporting invariants: trueOverapproximate stem: false 14.84/7.03 [2019-03-28 22:58:33,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.84/7.03 [2019-03-28 22:58:33,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.84/7.03 [2019-03-28 22:58:33,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.84/7.03 [2019-03-28 22:58:33,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.84/7.03 [2019-03-28 22:58:33,342 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.84/7.03 [2019-03-28 22:58:33,343 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.84/7.03 [2019-03-28 22:58:33,343 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.84/7.03 [2019-03-28 22:58:33,352 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.84/7.03 [2019-03-28 22:58:33,357 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.84/7.03 [2019-03-28 22:58:33,358 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.84/7.03 [2019-03-28 22:58:33,360 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.84/7.03 [2019-03-28 22:58:33,360 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.84/7.03 [2019-03-28 22:58:33,360 INFO L518 LassoAnalysis]: Proved termination. 14.84/7.03 [2019-03-28 22:58:33,361 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.84/7.03 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.84/7.03 Supporting invariants [] 14.84/7.03 [2019-03-28 22:58:33,362 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.84/7.03 [2019-03-28 22:58:33,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.84/7.03 [2019-03-28 22:58:33,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.84/7.03 [2019-03-28 22:58:33,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.84/7.03 [2019-03-28 22:58:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.84/7.03 [2019-03-28 22:58:33,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core 14.84/7.03 [2019-03-28 22:58:33,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.84/7.03 [2019-03-28 22:58:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 14.84/7.03 [2019-03-28 22:58:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.84/7.03 [2019-03-28 22:58:33,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core 14.84/7.03 [2019-03-28 22:58:33,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.84/7.03 [2019-03-28 22:58:33,464 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 14.84/7.03 [2019-03-28 22:58:33,467 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 14.84/7.03 [2019-03-28 22:58:33,468 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. 14.84/7.03 [2019-03-28 22:58:33,492 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 14.84/7.03 [2019-03-28 22:58:33,493 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 14.84/7.03 [2019-03-28 22:58:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.84/7.03 [2019-03-28 22:58:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.84/7.03 [2019-03-28 22:58:33,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 3 letters. 14.84/7.03 [2019-03-28 22:58:33,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.84/7.03 [2019-03-28 22:58:33,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 3 letters. 14.84/7.03 [2019-03-28 22:58:33,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.84/7.03 [2019-03-28 22:58:33,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 6 letters. 14.84/7.03 [2019-03-28 22:58:33,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.84/7.03 [2019-03-28 22:58:33,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 14.84/7.03 [2019-03-28 22:58:33,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.84/7.03 [2019-03-28 22:58:33,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 14.84/7.03 [2019-03-28 22:58:33,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.84/7.03 [2019-03-28 22:58:33,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.84/7.03 [2019-03-28 22:58:33,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 14.84/7.03 [2019-03-28 22:58:33,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.84/7.03 [2019-03-28 22:58:33,505 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.84/7.03 [2019-03-28 22:58:33,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 14.84/7.03 [2019-03-28 22:58:33,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 14.84/7.03 [2019-03-28 22:58:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 14.84/7.03 [2019-03-28 22:58:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 14.84/7.03 [2019-03-28 22:58:33,507 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.84/7.03 [2019-03-28 22:58:33,507 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.84/7.03 [2019-03-28 22:58:33,507 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.84/7.03 [2019-03-28 22:58:33,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 14.84/7.03 [2019-03-28 22:58:33,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.84/7.03 [2019-03-28 22:58:33,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.84/7.03 [2019-03-28 22:58:33,508 INFO L119 BuchiIsEmpty]: Starting construction of run 14.84/7.03 [2019-03-28 22:58:33,508 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.84/7.03 [2019-03-28 22:58:33,509 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.84/7.03 [2019-03-28 22:58:33,509 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 69#L11-2 [41] L11-2-->L13-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_9 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 70#L13-2 14.84/7.03 [2019-03-28 22:58:33,509 INFO L796 eck$LassoCheckResult]: Loop: 70#L13-2 [35] L13-2-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0] 70#L13-2 14.84/7.03 [2019-03-28 22:58:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:33,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1994, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:33,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:33,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:33,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:33,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:33,518 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:33,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:33,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:33,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:33,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:33,527 INFO L82 PathProgramCache]: Analyzing trace with hash 61849, now seen corresponding path program 1 times 14.84/7.03 [2019-03-28 22:58:33,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.84/7.03 [2019-03-28 22:58:33,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.84/7.03 [2019-03-28 22:58:33,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.84/7.03 [2019-03-28 22:58:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.84/7.03 [2019-03-28 22:58:33,555 INFO L216 LassoAnalysis]: Preferences: 14.84/7.03 [2019-03-28 22:58:33,556 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.84/7.03 [2019-03-28 22:58:33,556 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.84/7.03 [2019-03-28 22:58:33,556 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.84/7.03 [2019-03-28 22:58:33,557 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.84/7.03 [2019-03-28 22:58:33,557 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,557 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.84/7.03 [2019-03-28 22:58:33,557 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.84/7.03 [2019-03-28 22:58:33,557 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.84/7.03 [2019-03-28 22:58:33,557 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.84/7.03 [2019-03-28 22:58:33,558 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.84/7.03 [2019-03-28 22:58:33,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,645 INFO L300 LassoAnalysis]: Preprocessing complete. 14.84/7.03 [2019-03-28 22:58:33,645 INFO L412 LassoAnalysis]: Checking for nontermination... 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,654 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,655 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 [2019-03-28 22:58:33,686 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.84/7.03 [2019-03-28 22:58:33,687 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: [] 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,702 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.84/7.03 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.84/7.03 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,759 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.84/7.03 [2019-03-28 22:58:33,759 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.84/7.03 [2019-03-28 22:58:33,976 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.84/7.03 [2019-03-28 22:58:33,978 INFO L216 LassoAnalysis]: Preferences: 14.84/7.03 [2019-03-28 22:58:33,979 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.84/7.03 [2019-03-28 22:58:33,979 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.84/7.03 [2019-03-28 22:58:33,979 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.84/7.03 [2019-03-28 22:58:33,979 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.84/7.03 [2019-03-28 22:58:33,979 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.84/7.03 [2019-03-28 22:58:33,979 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.84/7.03 [2019-03-28 22:58:33,980 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.84/7.03 [2019-03-28 22:58:33,980 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.84/7.03 [2019-03-28 22:58:33,980 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.84/7.03 [2019-03-28 22:58:33,980 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.84/7.03 [2019-03-28 22:58:33,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:33,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.84/7.03 [2019-03-28 22:58:34,055 INFO L300 LassoAnalysis]: Preprocessing complete. 14.84/7.03 [2019-03-28 22:58:34,055 INFO L497 LassoAnalysis]: Using template 'affine'. 14.84/7.03 [2019-03-28 22:58:34,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.84/7.03 Termination analysis: LINEAR_WITH_GUESSES 14.84/7.03 Number of strict supporting invariants: 0 14.84/7.03 Number of non-strict supporting invariants: 1 14.84/7.03 Consider only non-deceasing supporting invariants: true 14.84/7.03 Simplify termination arguments: true 14.84/7.03 Simplify supporting invariants: trueOverapproximate stem: false 14.84/7.03 [2019-03-28 22:58:34,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.84/7.03 [2019-03-28 22:58:34,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.84/7.03 [2019-03-28 22:58:34,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.84/7.03 [2019-03-28 22:58:34,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.84/7.03 [2019-03-28 22:58:34,058 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.84/7.03 [2019-03-28 22:58:34,058 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.84/7.03 [2019-03-28 22:58:34,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.84/7.03 [2019-03-28 22:58:34,063 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.84/7.03 [2019-03-28 22:58:34,067 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.84/7.03 [2019-03-28 22:58:34,067 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.84/7.03 [2019-03-28 22:58:34,068 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.84/7.03 [2019-03-28 22:58:34,068 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.84/7.03 [2019-03-28 22:58:34,068 INFO L518 LassoAnalysis]: Proved termination. 14.84/7.03 [2019-03-28 22:58:34,068 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.84/7.03 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 14.84/7.03 Supporting invariants [] 14.84/7.03 [2019-03-28 22:58:34,069 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.84/7.03 [2019-03-28 22:58:34,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.84/7.03 [2019-03-28 22:58:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.84/7.03 [2019-03-28 22:58:34,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 14.84/7.03 [2019-03-28 22:58:34,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.84/7.03 [2019-03-28 22:58:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.84/7.03 [2019-03-28 22:58:34,100 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.84/7.03 [2019-03-28 22:58:34,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.84/7.03 [2019-03-28 22:58:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.84/7.03 [2019-03-28 22:58:34,102 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.84/7.03 [2019-03-28 22:58:34,102 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 14.84/7.03 [2019-03-28 22:58:34,102 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.84/7.03 [2019-03-28 22:58:34,113 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 8 states and 11 transitions. Complement of second has 4 states. 14.84/7.03 [2019-03-28 22:58:34,113 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 14.84/7.03 [2019-03-28 22:58:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.84/7.03 [2019-03-28 22:58:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 14.84/7.03 [2019-03-28 22:58:34,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 14.84/7.03 [2019-03-28 22:58:34,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.84/7.03 [2019-03-28 22:58:34,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 14.84/7.03 [2019-03-28 22:58:34,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.84/7.03 [2019-03-28 22:58:34,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 14.84/7.03 [2019-03-28 22:58:34,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.84/7.03 [2019-03-28 22:58:34,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 14.84/7.03 [2019-03-28 22:58:34,117 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.84/7.03 [2019-03-28 22:58:34,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 14.84/7.03 [2019-03-28 22:58:34,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.84/7.03 [2019-03-28 22:58:34,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.84/7.03 [2019-03-28 22:58:34,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.84/7.03 [2019-03-28 22:58:34,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.84/7.03 [2019-03-28 22:58:34,118 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.84/7.03 [2019-03-28 22:58:34,118 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.84/7.03 [2019-03-28 22:58:34,118 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.84/7.03 [2019-03-28 22:58:34,118 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 14.84/7.03 [2019-03-28 22:58:34,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.84/7.03 [2019-03-28 22:58:34,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.84/7.03 [2019-03-28 22:58:34,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.84/7.03 [2019-03-28 22:58:34,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:34 BasicIcfg 14.84/7.03 [2019-03-28 22:58:34,125 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.84/7.03 [2019-03-28 22:58:34,125 INFO L168 Benchmark]: Toolchain (without parser) took 2547.28 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 560.5 MB in the beginning and 455.3 MB in the end (delta: 105.1 MB). Peak memory consumption was 137.1 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,127 INFO L168 Benchmark]: CDTParser took 0.15 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. 14.84/7.03 [2019-03-28 22:58:34,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.07 ms. Allocated memory is still 649.6 MB. Free memory was 560.5 MB in the beginning and 550.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.31 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 550.5 MB in the beginning and 648.5 MB in the end (delta: -98.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,129 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 ms. Allocated memory is still 681.6 MB. Free memory was 648.5 MB in the beginning and 645.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,129 INFO L168 Benchmark]: RCFGBuilder took 217.40 ms. Allocated memory is still 681.6 MB. Free memory was 645.7 MB in the beginning and 630.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,130 INFO L168 Benchmark]: BlockEncodingV2 took 80.95 ms. Allocated memory is still 681.6 MB. Free memory was 630.9 MB in the beginning and 626.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,131 INFO L168 Benchmark]: TraceAbstraction took 159.02 ms. Allocated memory is still 681.6 MB. Free memory was 625.5 MB in the beginning and 616.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,131 INFO L168 Benchmark]: BuchiAutomizer took 1737.39 ms. Allocated memory is still 681.6 MB. Free memory was 616.7 MB in the beginning and 455.3 MB in the end (delta: 161.4 MB). Peak memory consumption was 161.4 MB. Max. memory is 50.3 GB. 14.84/7.03 [2019-03-28 22:58:34,135 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.84/7.03 --- Results --- 14.84/7.03 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.84/7.03 - StatisticsResult: Initial Icfg 14.84/7.03 8 locations, 11 edges 14.84/7.03 - StatisticsResult: Encoded RCFG 14.84/7.03 3 locations, 4 edges 14.84/7.03 * Results from de.uni_freiburg.informatik.ultimate.core: 14.84/7.03 - StatisticsResult: Toolchain Benchmarks 14.84/7.03 Benchmark results are: 14.84/7.03 * CDTParser took 0.15 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. 14.84/7.03 * CACSL2BoogieTranslator took 228.07 ms. Allocated memory is still 649.6 MB. Free memory was 560.5 MB in the beginning and 550.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 14.84/7.03 * Boogie Procedure Inliner took 98.31 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 550.5 MB in the beginning and 648.5 MB in the end (delta: -98.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 50.3 GB. 14.84/7.03 * Boogie Preprocessor took 20.87 ms. Allocated memory is still 681.6 MB. Free memory was 648.5 MB in the beginning and 645.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.84/7.03 * RCFGBuilder took 217.40 ms. Allocated memory is still 681.6 MB. Free memory was 645.7 MB in the beginning and 630.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 14.84/7.03 * BlockEncodingV2 took 80.95 ms. Allocated memory is still 681.6 MB. Free memory was 630.9 MB in the beginning and 626.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 14.84/7.03 * TraceAbstraction took 159.02 ms. Allocated memory is still 681.6 MB. Free memory was 625.5 MB in the beginning and 616.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 14.84/7.03 * BuchiAutomizer took 1737.39 ms. Allocated memory is still 681.6 MB. Free memory was 616.7 MB in the beginning and 455.3 MB in the end (delta: 161.4 MB). Peak memory consumption was 161.4 MB. Max. memory is 50.3 GB. 14.84/7.03 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.84/7.03 - AllSpecificationsHoldResult: All specifications hold 14.84/7.03 We were not able to verify any specifiation because the program does not contain any specification. 14.84/7.03 - InvariantResult [Line: 13]: Loop Invariant 14.84/7.03 Derived loop invariant: 1 14.84/7.03 - InvariantResult [Line: 11]: Loop Invariant 14.84/7.03 Derived loop invariant: 1 14.84/7.03 - StatisticsResult: Ultimate Automizer benchmark data 14.84/7.03 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 14.84/7.03 - StatisticsResult: Constructed decomposition of program 14.84/7.03 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 14.84/7.03 - StatisticsResult: Timing statistics 14.84/7.03 BüchiAutomizer plugin needed 1.7s and 4 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 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax168 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq161 hnf93 smp93 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 14.84/7.03 - TerminationAnalysisResult: Termination proven 14.84/7.03 Buchi Automizer proved that your program is terminating 14.84/7.03 RESULT: Ultimate proved your program to be correct! 14.84/7.03 !SESSION 2019-03-28 22:58:28.256 ----------------------------------------------- 14.84/7.03 eclipse.buildId=unknown 14.84/7.03 java.version=1.8.0_181 14.84/7.03 java.vendor=Oracle Corporation 14.84/7.03 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.84/7.03 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.84/7.03 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 14.84/7.03 14.84/7.03 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:58:34.368 14.84/7.03 !MESSAGE The workspace will exit with unsaved changes in this session. 14.84/7.03 Received shutdown request... 14.84/7.03 Ultimate: 14.84/7.03 GTK+ Version Check 14.84/7.03 EOF