14.23/6.52 YES 14.23/6.52 14.23/6.52 Ultimate: Cannot open display: 14.23/6.52 This is Ultimate 0.1.24-8dc7c08-m 14.23/6.52 [2019-03-29 01:53:00,131 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.23/6.52 [2019-03-29 01:53:00,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.23/6.52 [2019-03-29 01:53:00,144 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.23/6.52 [2019-03-29 01:53:00,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.23/6.52 [2019-03-29 01:53:00,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.23/6.52 [2019-03-29 01:53:00,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.23/6.52 [2019-03-29 01:53:00,150 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.23/6.52 [2019-03-29 01:53:00,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.23/6.52 [2019-03-29 01:53:00,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.23/6.52 [2019-03-29 01:53:00,152 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.23/6.52 [2019-03-29 01:53:00,153 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.23/6.52 [2019-03-29 01:53:00,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.23/6.52 [2019-03-29 01:53:00,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.23/6.52 [2019-03-29 01:53:00,156 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.23/6.52 [2019-03-29 01:53:00,157 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.23/6.52 [2019-03-29 01:53:00,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.23/6.52 [2019-03-29 01:53:00,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.23/6.52 [2019-03-29 01:53:00,162 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.23/6.52 [2019-03-29 01:53:00,163 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.23/6.52 [2019-03-29 01:53:00,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.23/6.52 [2019-03-29 01:53:00,167 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.23/6.52 [2019-03-29 01:53:00,167 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.23/6.52 [2019-03-29 01:53:00,168 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,168 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.23/6.52 [2019-03-29 01:53:00,169 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.23/6.52 [2019-03-29 01:53:00,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.23/6.52 [2019-03-29 01:53:00,170 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.23/6.52 [2019-03-29 01:53:00,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.23/6.52 [2019-03-29 01:53:00,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.23/6.52 [2019-03-29 01:53:00,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.23/6.52 [2019-03-29 01:53:00,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.23/6.52 [2019-03-29 01:53:00,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.23/6.52 [2019-03-29 01:53:00,174 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.23/6.52 [2019-03-29 01:53:00,189 INFO L110 SettingsManager]: Loading preferences was successful 14.23/6.52 [2019-03-29 01:53:00,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.23/6.52 [2019-03-29 01:53:00,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.23/6.52 [2019-03-29 01:53:00,191 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.23/6.52 [2019-03-29 01:53:00,191 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.23/6.52 [2019-03-29 01:53:00,191 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.23/6.52 [2019-03-29 01:53:00,191 INFO L133 SettingsManager]: * Use SBE=true 14.23/6.52 [2019-03-29 01:53:00,192 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.23/6.52 [2019-03-29 01:53:00,192 INFO L133 SettingsManager]: * Use old map elimination=false 14.23/6.52 [2019-03-29 01:53:00,192 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.23/6.52 [2019-03-29 01:53:00,192 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.23/6.52 [2019-03-29 01:53:00,192 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.23/6.52 [2019-03-29 01:53:00,192 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.23/6.52 [2019-03-29 01:53:00,192 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.23/6.52 [2019-03-29 01:53:00,193 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:00,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.23/6.52 [2019-03-29 01:53:00,193 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.23/6.52 [2019-03-29 01:53:00,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.23/6.52 [2019-03-29 01:53:00,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.23/6.52 [2019-03-29 01:53:00,194 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.23/6.52 [2019-03-29 01:53:00,194 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.23/6.52 [2019-03-29 01:53:00,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.23/6.52 [2019-03-29 01:53:00,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.23/6.52 [2019-03-29 01:53:00,194 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.23/6.52 [2019-03-29 01:53:00,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.23/6.52 [2019-03-29 01:53:00,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.23/6.52 [2019-03-29 01:53:00,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.23/6.52 [2019-03-29 01:53:00,195 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.23/6.52 [2019-03-29 01:53:00,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.23/6.52 [2019-03-29 01:53:00,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.23/6.52 [2019-03-29 01:53:00,234 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.23/6.52 [2019-03-29 01:53:00,237 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.23/6.52 [2019-03-29 01:53:00,238 INFO L271 PluginConnector]: Initializing CDTParser... 14.23/6.52 [2019-03-29 01:53:00,239 INFO L276 PluginConnector]: CDTParser initialized 14.23/6.52 [2019-03-29 01:53:00,240 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/6.52 [2019-03-29 01:53:00,308 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/876e52593ffb410887e5bb4684eea492/FLAGe29dc2dbd 14.23/6.52 [2019-03-29 01:53:00,655 INFO L307 CDTParser]: Found 1 translation units. 14.23/6.52 [2019-03-29 01:53:00,656 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/6.52 [2019-03-29 01:53:00,662 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/876e52593ffb410887e5bb4684eea492/FLAGe29dc2dbd 14.23/6.52 [2019-03-29 01:53:01,064 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/876e52593ffb410887e5bb4684eea492 14.23/6.52 [2019-03-29 01:53:01,075 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.23/6.52 [2019-03-29 01:53:01,077 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.23/6.52 [2019-03-29 01:53:01,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.23/6.52 [2019-03-29 01:53:01,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.23/6.52 [2019-03-29 01:53:01,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.23/6.52 [2019-03-29 01:53:01,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79854d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.23/6.52 [2019-03-29 01:53:01,113 INFO L176 MainTranslator]: Built tables and reachable declarations 14.23/6.52 [2019-03-29 01:53:01,271 INFO L206 PostProcessor]: Analyzing one entry point: main 14.23/6.52 [2019-03-29 01:53:01,276 INFO L191 MainTranslator]: Completed pre-run 14.23/6.52 [2019-03-29 01:53:01,292 INFO L206 PostProcessor]: Analyzing one entry point: main 14.23/6.52 [2019-03-29 01:53:01,307 INFO L195 MainTranslator]: Completed translation 14.23/6.52 [2019-03-29 01:53:01,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01 WrapperNode 14.23/6.52 [2019-03-29 01:53:01,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.23/6.52 [2019-03-29 01:53:01,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.23/6.52 [2019-03-29 01:53:01,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.23/6.52 [2019-03-29 01:53:01,309 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.23/6.52 [2019-03-29 01:53:01,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.23/6.52 [2019-03-29 01:53:01,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.23/6.52 [2019-03-29 01:53:01,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.23/6.52 [2019-03-29 01:53:01,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.23/6.52 [2019-03-29 01:53:01,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.23/6.52 [2019-03-29 01:53:01,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.23/6.52 [2019-03-29 01:53:01,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.23/6.52 [2019-03-29 01:53:01,424 INFO L276 PluginConnector]: RCFGBuilder initialized 14.23/6.52 [2019-03-29 01:53:01,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (1/1) ... 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.23/6.52 [2019-03-29 01:53:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.23/6.52 [2019-03-29 01:53:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.23/6.52 [2019-03-29 01:53:01,604 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.23/6.52 [2019-03-29 01:53:01,604 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.23/6.52 [2019-03-29 01:53:01,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:01 BoogieIcfgContainer 14.23/6.52 [2019-03-29 01:53:01,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.23/6.52 [2019-03-29 01:53:01,607 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.23/6.52 [2019-03-29 01:53:01,607 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.23/6.52 [2019-03-29 01:53:01,609 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.23/6.52 [2019-03-29 01:53:01,610 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:01" (1/1) ... 14.23/6.52 [2019-03-29 01:53:01,624 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.23/6.52 [2019-03-29 01:53:01,625 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.23/6.52 [2019-03-29 01:53:01,626 INFO L263 BlockEncoder]: Using Maximize final states 14.23/6.52 [2019-03-29 01:53:01,627 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.23/6.52 [2019-03-29 01:53:01,627 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.23/6.52 [2019-03-29 01:53:01,629 INFO L296 BlockEncoder]: Using Remove sink states 14.23/6.52 [2019-03-29 01:53:01,630 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.23/6.52 [2019-03-29 01:53:01,630 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.23/6.52 [2019-03-29 01:53:01,645 INFO L185 BlockEncoder]: Using Use SBE 14.23/6.52 [2019-03-29 01:53:01,659 INFO L200 BlockEncoder]: SBE split 1 edges 14.23/6.52 [2019-03-29 01:53:01,664 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.23/6.52 [2019-03-29 01:53:01,666 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.23/6.52 [2019-03-29 01:53:01,676 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.23/6.52 [2019-03-29 01:53:01,678 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.23/6.52 [2019-03-29 01:53:01,679 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.23/6.52 [2019-03-29 01:53:01,679 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.23/6.52 [2019-03-29 01:53:01,684 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 14.23/6.52 [2019-03-29 01:53:01,684 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.23/6.52 [2019-03-29 01:53:01,684 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.23/6.52 [2019-03-29 01:53:01,684 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.23/6.52 [2019-03-29 01:53:01,685 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.23/6.52 [2019-03-29 01:53:01,685 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.23/6.52 [2019-03-29 01:53:01,685 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges 14.23/6.52 [2019-03-29 01:53:01,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:53:01 BasicIcfg 14.23/6.52 [2019-03-29 01:53:01,686 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.23/6.52 [2019-03-29 01:53:01,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.23/6.52 [2019-03-29 01:53:01,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.23/6.52 [2019-03-29 01:53:01,690 INFO L276 PluginConnector]: TraceAbstraction initialized 14.23/6.52 [2019-03-29 01:53:01,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:53:01" (1/4) ... 14.23/6.52 [2019-03-29 01:53:01,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b6cb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (2/4) ... 14.23/6.52 [2019-03-29 01:53:01,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b6cb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:01" (3/4) ... 14.23/6.52 [2019-03-29 01:53:01,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b6cb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:53:01" (4/4) ... 14.23/6.52 [2019-03-29 01:53:01,694 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.23/6.52 [2019-03-29 01:53:01,705 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.23/6.52 [2019-03-29 01:53:01,712 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.23/6.52 [2019-03-29 01:53:01,729 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.23/6.52 [2019-03-29 01:53:01,757 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.23/6.52 [2019-03-29 01:53:01,758 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.23/6.52 [2019-03-29 01:53:01,758 INFO L383 AbstractCegarLoop]: Hoare is true 14.23/6.52 [2019-03-29 01:53:01,758 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.23/6.52 [2019-03-29 01:53:01,759 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.23/6.52 [2019-03-29 01:53:01,759 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.23/6.52 [2019-03-29 01:53:01,759 INFO L387 AbstractCegarLoop]: Difference is false 14.23/6.52 [2019-03-29 01:53:01,759 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.23/6.52 [2019-03-29 01:53:01,759 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.23/6.52 [2019-03-29 01:53:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 14.23/6.52 [2019-03-29 01:53:01,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.23/6.52 [2019-03-29 01:53:01,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 14.23/6.52 [2019-03-29 01:53:01,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.23/6.52 [2019-03-29 01:53:01,832 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 21 23) the Hoare annotation is: true 14.23/6.52 [2019-03-29 01:53:01,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:53:01 BasicIcfg 14.23/6.52 [2019-03-29 01:53:01,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.23/6.52 [2019-03-29 01:53:01,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.23/6.52 [2019-03-29 01:53:01,841 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.23/6.52 [2019-03-29 01:53:01,844 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.23/6.52 [2019-03-29 01:53:01,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/6.52 [2019-03-29 01:53:01,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:53:01" (1/5) ... 14.23/6.52 [2019-03-29 01:53:01,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15ad43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,846 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/6.52 [2019-03-29 01:53:01,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:53:01" (2/5) ... 14.23/6.52 [2019-03-29 01:53:01,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15ad43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,847 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/6.52 [2019-03-29 01:53:01,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:53:01" (3/5) ... 14.23/6.52 [2019-03-29 01:53:01,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15ad43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,848 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/6.52 [2019-03-29 01:53:01,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:53:01" (4/5) ... 14.23/6.52 [2019-03-29 01:53:01,848 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15ad43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:53:01, skipping insertion in model container 14.23/6.52 [2019-03-29 01:53:01,848 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.23/6.52 [2019-03-29 01:53:01,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:53:01" (5/5) ... 14.23/6.52 [2019-03-29 01:53:01,850 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.23/6.52 [2019-03-29 01:53:01,880 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.23/6.52 [2019-03-29 01:53:01,880 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.23/6.52 [2019-03-29 01:53:01,880 INFO L375 BuchiCegarLoop]: Hoare is true 14.23/6.52 [2019-03-29 01:53:01,881 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.23/6.52 [2019-03-29 01:53:01,881 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.23/6.52 [2019-03-29 01:53:01,881 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.23/6.52 [2019-03-29 01:53:01,881 INFO L379 BuchiCegarLoop]: Difference is false 14.23/6.52 [2019-03-29 01:53:01,881 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.23/6.52 [2019-03-29 01:53:01,881 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.23/6.52 [2019-03-29 01:53:01,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.23/6.52 [2019-03-29 01:53:01,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.23/6.52 [2019-03-29 01:53:01,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/6.52 [2019-03-29 01:53:01,904 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/6.52 [2019-03-29 01:53:01,909 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.23/6.52 [2019-03-29 01:53:01,909 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.23/6.52 [2019-03-29 01:53:01,909 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.23/6.52 [2019-03-29 01:53:01,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.23/6.52 [2019-03-29 01:53:01,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.23/6.52 [2019-03-29 01:53:01,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/6.52 [2019-03-29 01:53:01,910 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/6.52 [2019-03-29 01:53:01,910 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.23/6.52 [2019-03-29 01:53:01,911 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.23/6.52 [2019-03-29 01:53:01,916 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L21-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L21-2true 14.23/6.52 [2019-03-29 01:53:01,916 INFO L796 eck$LassoCheckResult]: Loop: 4#L21-2true [35] L21-2-->L21-2: Formula: (and (> 0 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L21-2true 14.23/6.52 [2019-03-29 01:53:01,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:01,922 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times 14.23/6.52 [2019-03-29 01:53:01,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:01,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:01,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:01,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:01,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:01,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:01,992 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 14.23/6.52 [2019-03-29 01:53:01,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:01,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:01,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:01,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:01,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2205, now seen corresponding path program 1 times 14.23/6.52 [2019-03-29 01:53:02,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/6.52 [2019-03-29 01:53:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/6.52 [2019-03-29 01:53:02,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.23/6.52 [2019-03-29 01:53:02,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 14.23/6.52 [2019-03-29 01:53:02,089 INFO L216 LassoAnalysis]: Preferences: 14.23/6.52 [2019-03-29 01:53:02,091 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/6.52 [2019-03-29 01:53:02,091 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/6.52 [2019-03-29 01:53:02,091 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/6.52 [2019-03-29 01:53:02,091 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.23/6.52 [2019-03-29 01:53:02,091 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,092 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/6.52 [2019-03-29 01:53:02,092 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/6.52 [2019-03-29 01:53:02,092 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.23/6.52 [2019-03-29 01:53:02,092 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/6.52 [2019-03-29 01:53:02,092 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/6.52 [2019-03-29 01:53:02,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,200 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/6.52 [2019-03-29 01:53:02,201 INFO L412 LassoAnalysis]: Checking for nontermination... 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,207 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,207 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,240 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,241 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: [] 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,246 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,246 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,274 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,274 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: [] 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,279 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,309 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,309 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,329 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,329 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 14.23/6.52 [2019-03-29 01:53:02,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.23/6.52 [2019-03-29 01:53:02,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.23/6.52 [2019-03-29 01:53:02,371 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 3 states. 14.23/6.52 [2019-03-29 01:53:02,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.23/6.52 [2019-03-29 01:53:02,386 INFO L93 Difference]: Finished difference Result 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.23/6.52 [2019-03-29 01:53:02,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.23/6.52 [2019-03-29 01:53:02,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.23/6.52 [2019-03-29 01:53:02,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 14.23/6.52 [2019-03-29 01:53:02,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.23/6.52 [2019-03-29 01:53:02,397 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 14.23/6.52 [2019-03-29 01:53:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.23/6.52 [2019-03-29 01:53:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,425 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,425 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,425 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.23/6.52 [2019-03-29 01:53:02,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. 14.23/6.52 [2019-03-29 01:53:02,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.23/6.52 [2019-03-29 01:53:02,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/6.52 [2019-03-29 01:53:02,426 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/6.52 [2019-03-29 01:53:02,427 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.23/6.52 [2019-03-29 01:53:02,427 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.23/6.52 [2019-03-29 01:53:02,427 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [39] ULTIMATE.startENTRY-->L21-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 17#L21-2 [36] L21-2-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 18#L21-2 14.23/6.52 [2019-03-29 01:53:02,427 INFO L796 eck$LassoCheckResult]: Loop: 18#L21-2 [35] L21-2-->L21-2: Formula: (and (> 0 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 18#L21-2 14.23/6.52 [2019-03-29 01:53:02,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2206, now seen corresponding path program 1 times 14.23/6.52 [2019-03-29 01:53:02,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,435 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 2 times 14.23/6.52 [2019-03-29 01:53:02,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,442 INFO L82 PathProgramCache]: Analyzing trace with hash 68421, now seen corresponding path program 1 times 14.23/6.52 [2019-03-29 01:53:02,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,443 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/6.52 [2019-03-29 01:53:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/6.52 [2019-03-29 01:53:02,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 14.23/6.52 [2019-03-29 01:53:02,465 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 14.23/6.52 [2019-03-29 01:53:02,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/6.52 [2019-03-29 01:53:02,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 14.23/6.52 [2019-03-29 01:53:02,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/6.52 [2019-03-29 01:53:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/6.52 [2019-03-29 01:53:02,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 14.23/6.52 [2019-03-29 01:53:02,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 14.23/6.52 [2019-03-29 01:53:02,549 INFO L216 LassoAnalysis]: Preferences: 14.23/6.52 [2019-03-29 01:53:02,550 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/6.52 [2019-03-29 01:53:02,550 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/6.52 [2019-03-29 01:53:02,550 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/6.52 [2019-03-29 01:53:02,550 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.23/6.52 [2019-03-29 01:53:02,550 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,550 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/6.52 [2019-03-29 01:53:02,550 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/6.52 [2019-03-29 01:53:02,551 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.23/6.52 [2019-03-29 01:53:02,551 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/6.52 [2019-03-29 01:53:02,551 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/6.52 [2019-03-29 01:53:02,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,626 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/6.52 [2019-03-29 01:53:02,626 INFO L412 LassoAnalysis]: Checking for nontermination... 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,630 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,630 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,658 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,658 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,663 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,663 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,691 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,691 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,696 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,696 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,726 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,726 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,743 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,743 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 12, 0] Nus: [0, 0] 14.23/6.52 [2019-03-29 01:53:02,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 14.23/6.52 [2019-03-29 01:53:02,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 14.23/6.52 [2019-03-29 01:53:02,769 INFO L87 Difference]: Start difference. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 4 states. 14.23/6.52 [2019-03-29 01:53:02,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.23/6.52 [2019-03-29 01:53:02,778 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. 14.23/6.52 [2019-03-29 01:53:02,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 14.23/6.52 [2019-03-29 01:53:02,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.23/6.52 [2019-03-29 01:53:02,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.23/6.52 [2019-03-29 01:53:02,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 3 transitions. 14.23/6.52 [2019-03-29 01:53:02,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.23/6.52 [2019-03-29 01:53:02,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 14.23/6.52 [2019-03-29 01:53:02,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 14.23/6.52 [2019-03-29 01:53:02,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.23/6.52 [2019-03-29 01:53:02,780 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 14.23/6.52 [2019-03-29 01:53:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 14.23/6.52 [2019-03-29 01:53:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 2. 14.23/6.52 [2019-03-29 01:53:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.23/6.52 [2019-03-29 01:53:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. 14.23/6.52 [2019-03-29 01:53:02,781 INFO L729 BuchiCegarLoop]: Abstraction has 2 states and 2 transitions. 14.23/6.52 [2019-03-29 01:53:02,782 INFO L609 BuchiCegarLoop]: Abstraction has 2 states and 2 transitions. 14.23/6.52 [2019-03-29 01:53:02,782 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.23/6.52 [2019-03-29 01:53:02,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states and 2 transitions. 14.23/6.52 [2019-03-29 01:53:02,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.23/6.52 [2019-03-29 01:53:02,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.23/6.52 [2019-03-29 01:53:02,782 INFO L119 BuchiIsEmpty]: Starting construction of run 14.23/6.52 [2019-03-29 01:53:02,783 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.23/6.52 [2019-03-29 01:53:02,783 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.23/6.52 [2019-03-29 01:53:02,783 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY [39] ULTIMATE.startENTRY-->L21-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_11) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 38#L21-2 14.23/6.52 [2019-03-29 01:53:02,783 INFO L796 eck$LassoCheckResult]: Loop: 38#L21-2 [36] L21-2-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 38#L21-2 14.23/6.52 [2019-03-29 01:53:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,784 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 2 times 14.23/6.52 [2019-03-29 01:53:02,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,789 INFO L82 PathProgramCache]: Analyzing trace with hash 67, now seen corresponding path program 1 times 14.23/6.52 [2019-03-29 01:53:02,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,791 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.52 [2019-03-29 01:53:02,795 INFO L82 PathProgramCache]: Analyzing trace with hash 2206, now seen corresponding path program 2 times 14.23/6.52 [2019-03-29 01:53:02,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.23/6.52 [2019-03-29 01:53:02,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.23/6.52 [2019-03-29 01:53:02,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.23/6.52 [2019-03-29 01:53:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.23/6.52 [2019-03-29 01:53:02,813 INFO L216 LassoAnalysis]: Preferences: 14.23/6.52 [2019-03-29 01:53:02,813 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/6.52 [2019-03-29 01:53:02,813 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/6.52 [2019-03-29 01:53:02,814 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/6.52 [2019-03-29 01:53:02,814 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.23/6.52 [2019-03-29 01:53:02,814 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,814 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/6.52 [2019-03-29 01:53:02,814 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/6.52 [2019-03-29 01:53:02,814 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.23/6.52 [2019-03-29 01:53:02,814 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/6.52 [2019-03-29 01:53:02,815 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/6.52 [2019-03-29 01:53:02,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.52 [2019-03-29 01:53:02,875 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/6.52 [2019-03-29 01:53:02,875 INFO L412 LassoAnalysis]: Checking for nontermination... 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.52 [2019-03-29 01:53:02,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.52 [2019-03-29 01:53:02,879 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.52 [2019-03-29 01:53:02,906 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.52 [2019-03-29 01:53:02,906 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: [] 14.23/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.52 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.52 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.53 [2019-03-29 01:53:02,912 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.53 [2019-03-29 01:53:02,912 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.53 [2019-03-29 01:53:02,940 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.23/6.53 [2019-03-29 01:53:02,941 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.23/6.53 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.53 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.53 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.53 [2019-03-29 01:53:02,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.23/6.53 [2019-03-29 01:53:02,946 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.53 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.23/6.53 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.23/6.53 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.23/6.53 [2019-03-29 01:53:02,976 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.23/6.53 [2019-03-29 01:53:02,976 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.23/6.53 [2019-03-29 01:53:03,007 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.23/6.53 [2019-03-29 01:53:03,009 INFO L216 LassoAnalysis]: Preferences: 14.23/6.53 [2019-03-29 01:53:03,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.23/6.53 [2019-03-29 01:53:03,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.23/6.53 [2019-03-29 01:53:03,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.23/6.53 [2019-03-29 01:53:03,010 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.23/6.53 [2019-03-29 01:53:03,010 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.23/6.53 [2019-03-29 01:53:03,010 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.23/6.53 [2019-03-29 01:53:03,010 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.23/6.53 [2019-03-29 01:53:03,011 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.23/6.53 [2019-03-29 01:53:03,011 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.23/6.53 [2019-03-29 01:53:03,011 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.23/6.53 [2019-03-29 01:53:03,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.53 [2019-03-29 01:53:03,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.53 [2019-03-29 01:53:03,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.23/6.53 [2019-03-29 01:53:03,057 INFO L300 LassoAnalysis]: Preprocessing complete. 14.23/6.53 [2019-03-29 01:53:03,063 INFO L497 LassoAnalysis]: Using template 'affine'. 14.23/6.53 [2019-03-29 01:53:03,065 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/6.53 Termination analysis: LINEAR_WITH_GUESSES 14.23/6.53 Number of strict supporting invariants: 0 14.23/6.53 Number of non-strict supporting invariants: 1 14.23/6.53 Consider only non-deceasing supporting invariants: true 14.23/6.53 Simplify termination arguments: true 14.23/6.53 Simplify supporting invariants: trueOverapproximate stem: false 14.23/6.53 [2019-03-29 01:53:03,066 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/6.53 [2019-03-29 01:53:03,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/6.53 [2019-03-29 01:53:03,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/6.53 [2019-03-29 01:53:03,067 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/6.53 [2019-03-29 01:53:03,071 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.23/6.53 [2019-03-29 01:53:03,071 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.23/6.53 [2019-03-29 01:53:03,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.23/6.53 [2019-03-29 01:53:03,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/6.53 Termination analysis: LINEAR_WITH_GUESSES 14.23/6.53 Number of strict supporting invariants: 0 14.23/6.53 Number of non-strict supporting invariants: 1 14.23/6.53 Consider only non-deceasing supporting invariants: true 14.23/6.53 Simplify termination arguments: true 14.23/6.53 Simplify supporting invariants: trueOverapproximate stem: false 14.23/6.53 [2019-03-29 01:53:03,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/6.53 [2019-03-29 01:53:03,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/6.53 [2019-03-29 01:53:03,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/6.53 [2019-03-29 01:53:03,079 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/6.53 [2019-03-29 01:53:03,082 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.23/6.53 [2019-03-29 01:53:03,082 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.23/6.53 [2019-03-29 01:53:03,090 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.23/6.53 [2019-03-29 01:53:03,090 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.23/6.53 Termination analysis: LINEAR_WITH_GUESSES 14.23/6.53 Number of strict supporting invariants: 0 14.23/6.53 Number of non-strict supporting invariants: 1 14.23/6.53 Consider only non-deceasing supporting invariants: true 14.23/6.53 Simplify termination arguments: true 14.23/6.53 Simplify supporting invariants: trueOverapproximate stem: false 14.23/6.53 [2019-03-29 01:53:03,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.23/6.53 [2019-03-29 01:53:03,091 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.23/6.53 [2019-03-29 01:53:03,092 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.23/6.53 [2019-03-29 01:53:03,092 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.23/6.53 [2019-03-29 01:53:03,092 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.23/6.53 [2019-03-29 01:53:03,093 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.23/6.53 [2019-03-29 01:53:03,093 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.23/6.53 [2019-03-29 01:53:03,097 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.23/6.53 [2019-03-29 01:53:03,101 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.23/6.53 [2019-03-29 01:53:03,102 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.23/6.53 [2019-03-29 01:53:03,104 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.23/6.53 [2019-03-29 01:53:03,104 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.23/6.53 [2019-03-29 01:53:03,104 INFO L518 LassoAnalysis]: Proved termination. 14.23/6.53 [2019-03-29 01:53:03,105 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.23/6.53 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.23/6.53 Supporting invariants [] 14.23/6.53 [2019-03-29 01:53:03,106 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.23/6.53 [2019-03-29 01:53:03,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.23/6.53 [2019-03-29 01:53:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/6.53 [2019-03-29 01:53:03,127 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core 14.23/6.53 [2019-03-29 01:53:03,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/6.53 [2019-03-29 01:53:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.23/6.53 [2019-03-29 01:53:03,131 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 14.23/6.53 [2019-03-29 01:53:03,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.23/6.53 [2019-03-29 01:53:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.23/6.53 [2019-03-29 01:53:03,134 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.23/6.53 [2019-03-29 01:53:03,136 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 14.23/6.53 [2019-03-29 01:53:03,137 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states and 2 transitions. cyclomatic complexity: 1 Second operand 2 states. 14.23/6.53 [2019-03-29 01:53:03,150 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states and 2 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 14.23/6.53 [2019-03-29 01:53:03,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 14.23/6.53 [2019-03-29 01:53:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.23/6.53 [2019-03-29 01:53:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 14.23/6.53 [2019-03-29 01:53:03,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 14.23/6.53 [2019-03-29 01:53:03,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/6.53 [2019-03-29 01:53:03,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 14.23/6.53 [2019-03-29 01:53:03,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/6.53 [2019-03-29 01:53:03,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 14.23/6.53 [2019-03-29 01:53:03,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.23/6.53 [2019-03-29 01:53:03,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.23/6.53 [2019-03-29 01:53:03,158 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.23/6.53 [2019-03-29 01:53:03,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 14.23/6.53 [2019-03-29 01:53:03,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.23/6.53 [2019-03-29 01:53:03,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.23/6.53 [2019-03-29 01:53:03,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.23/6.53 [2019-03-29 01:53:03,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.23/6.53 [2019-03-29 01:53:03,159 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.23/6.53 [2019-03-29 01:53:03,159 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.23/6.53 [2019-03-29 01:53:03,159 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.23/6.53 [2019-03-29 01:53:03,159 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 14.23/6.53 [2019-03-29 01:53:03,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.23/6.53 [2019-03-29 01:53:03,160 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.23/6.53 [2019-03-29 01:53:03,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.23/6.53 [2019-03-29 01:53:03,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:53:03 BasicIcfg 14.23/6.53 [2019-03-29 01:53:03,167 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.23/6.53 [2019-03-29 01:53:03,168 INFO L168 Benchmark]: Toolchain (without parser) took 2091.74 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 564.9 MB in the beginning and 479.8 MB in the end (delta: 85.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,169 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.13 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.84 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 554.9 MB in the beginning and 646.7 MB in the end (delta: -91.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,171 INFO L168 Benchmark]: Boogie Preprocessor took 19.27 ms. Allocated memory is still 681.6 MB. Free memory was 646.7 MB in the beginning and 645.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,172 INFO L168 Benchmark]: RCFGBuilder took 182.96 ms. Allocated memory is still 681.6 MB. Free memory was 645.6 MB in the beginning and 633.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,172 INFO L168 Benchmark]: BlockEncodingV2 took 79.37 ms. Allocated memory is still 681.6 MB. Free memory was 633.1 MB in the beginning and 626.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,173 INFO L168 Benchmark]: TraceAbstraction took 153.25 ms. Allocated memory is still 681.6 MB. Free memory was 626.6 MB in the beginning and 618.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,173 INFO L168 Benchmark]: BuchiAutomizer took 1326.63 ms. Allocated memory is still 681.6 MB. Free memory was 618.0 MB in the beginning and 479.8 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 50.3 GB. 14.23/6.53 [2019-03-29 01:53:03,178 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.23/6.53 --- Results --- 14.23/6.53 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.23/6.53 - StatisticsResult: Initial Icfg 14.23/6.53 7 locations, 9 edges 14.23/6.53 - StatisticsResult: Encoded RCFG 14.23/6.53 2 locations, 3 edges 14.23/6.53 * Results from de.uni_freiburg.informatik.ultimate.core: 14.23/6.53 - StatisticsResult: Toolchain Benchmarks 14.23/6.53 Benchmark results are: 14.23/6.53 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.23/6.53 * CACSL2BoogieTranslator took 230.13 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 14.23/6.53 * Boogie Procedure Inliner took 94.84 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 554.9 MB in the beginning and 646.7 MB in the end (delta: -91.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 14.23/6.53 * Boogie Preprocessor took 19.27 ms. Allocated memory is still 681.6 MB. Free memory was 646.7 MB in the beginning and 645.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.23/6.53 * RCFGBuilder took 182.96 ms. Allocated memory is still 681.6 MB. Free memory was 645.6 MB in the beginning and 633.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 14.23/6.53 * BlockEncodingV2 took 79.37 ms. Allocated memory is still 681.6 MB. Free memory was 633.1 MB in the beginning and 626.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.23/6.53 * TraceAbstraction took 153.25 ms. Allocated memory is still 681.6 MB. Free memory was 626.6 MB in the beginning and 618.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 14.23/6.53 * BuchiAutomizer took 1326.63 ms. Allocated memory is still 681.6 MB. Free memory was 618.0 MB in the beginning and 479.8 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 50.3 GB. 14.23/6.53 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.23/6.53 - AllSpecificationsHoldResult: All specifications hold 14.23/6.53 We were not able to verify any specifiation because the program does not contain any specification. 14.23/6.53 - InvariantResult [Line: 21]: Loop Invariant 14.23/6.53 Derived loop invariant: 1 14.23/6.53 - StatisticsResult: Ultimate Automizer benchmark data 14.23/6.53 CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.23/6.53 - StatisticsResult: Constructed decomposition of program 14.23/6.53 Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x and consists of 2 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 14.23/6.53 - StatisticsResult: Timing statistics 14.23/6.53 BüchiAutomizer plugin needed 1.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. 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 3 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 14.23/6.53 - TerminationAnalysisResult: Termination proven 14.23/6.53 Buchi Automizer proved that your program is terminating 14.23/6.53 RESULT: Ultimate proved your program to be correct! 14.23/6.53 !SESSION 2019-03-29 01:52:57.788 ----------------------------------------------- 14.23/6.53 eclipse.buildId=unknown 14.23/6.53 java.version=1.8.0_181 14.23/6.53 java.vendor=Oracle Corporation 14.23/6.53 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.23/6.53 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.23/6.53 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 14.23/6.53 14.23/6.53 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:53:03.411 14.23/6.53 !MESSAGE The workspace will exit with unsaved changes in this session. 14.23/6.53 Received shutdown request... 14.23/6.53 Ultimate: 14.23/6.53 GTK+ Version Check 14.23/6.53 EOF