15.53/7.21 YES 15.53/7.21 15.53/7.21 Ultimate: Cannot open display: 15.53/7.21 This is Ultimate 0.1.24-8dc7c08-m 15.53/7.21 [2019-03-28 12:18:00,160 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.53/7.21 [2019-03-28 12:18:00,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.53/7.21 [2019-03-28 12:18:00,173 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,173 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.53/7.21 [2019-03-28 12:18:00,174 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.53/7.21 [2019-03-28 12:18:00,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.53/7.21 [2019-03-28 12:18:00,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.53/7.21 [2019-03-28 12:18:00,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.53/7.21 [2019-03-28 12:18:00,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.53/7.21 [2019-03-28 12:18:00,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.53/7.21 [2019-03-28 12:18:00,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.53/7.21 [2019-03-28 12:18:00,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.53/7.21 [2019-03-28 12:18:00,183 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.53/7.21 [2019-03-28 12:18:00,184 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.53/7.21 [2019-03-28 12:18:00,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.53/7.21 [2019-03-28 12:18:00,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.53/7.21 [2019-03-28 12:18:00,188 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.53/7.21 [2019-03-28 12:18:00,190 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.53/7.21 [2019-03-28 12:18:00,191 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.53/7.21 [2019-03-28 12:18:00,192 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.53/7.21 [2019-03-28 12:18:00,194 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.53/7.21 [2019-03-28 12:18:00,195 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.53/7.21 [2019-03-28 12:18:00,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.53/7.21 [2019-03-28 12:18:00,197 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,197 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.53/7.21 [2019-03-28 12:18:00,198 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.53/7.21 [2019-03-28 12:18:00,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.53/7.21 [2019-03-28 12:18:00,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.53/7.21 [2019-03-28 12:18:00,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,200 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.53/7.21 [2019-03-28 12:18:00,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.53/7.21 [2019-03-28 12:18:00,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.53/7.21 [2019-03-28 12:18:00,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.53/7.21 [2019-03-28 12:18:00,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.53/7.21 [2019-03-28 12:18:00,203 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.53/7.21 [2019-03-28 12:18:00,218 INFO L110 SettingsManager]: Loading preferences was successful 15.53/7.21 [2019-03-28 12:18:00,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.53/7.21 [2019-03-28 12:18:00,219 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.53/7.21 [2019-03-28 12:18:00,219 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.53/7.21 [2019-03-28 12:18:00,219 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.53/7.21 [2019-03-28 12:18:00,220 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.53/7.21 [2019-03-28 12:18:00,220 INFO L133 SettingsManager]: * Use SBE=true 15.53/7.21 [2019-03-28 12:18:00,220 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.53/7.21 [2019-03-28 12:18:00,220 INFO L133 SettingsManager]: * Use old map elimination=false 15.53/7.21 [2019-03-28 12:18:00,220 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.53/7.21 [2019-03-28 12:18:00,221 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.53/7.21 [2019-03-28 12:18:00,221 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.53/7.21 [2019-03-28 12:18:00,221 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.53/7.21 [2019-03-28 12:18:00,221 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.53/7.21 [2019-03-28 12:18:00,221 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:00,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.53/7.21 [2019-03-28 12:18:00,222 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.53/7.21 [2019-03-28 12:18:00,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.53/7.21 [2019-03-28 12:18:00,222 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.53/7.21 [2019-03-28 12:18:00,222 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.53/7.21 [2019-03-28 12:18:00,222 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.53/7.21 [2019-03-28 12:18:00,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.53/7.21 [2019-03-28 12:18:00,223 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.53/7.21 [2019-03-28 12:18:00,223 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.53/7.21 [2019-03-28 12:18:00,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.53/7.21 [2019-03-28 12:18:00,223 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.53/7.21 [2019-03-28 12:18:00,223 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.53/7.21 [2019-03-28 12:18:00,224 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.53/7.21 [2019-03-28 12:18:00,224 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.53/7.21 [2019-03-28 12:18:00,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.53/7.21 [2019-03-28 12:18:00,262 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.53/7.21 [2019-03-28 12:18:00,266 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.53/7.21 [2019-03-28 12:18:00,267 INFO L271 PluginConnector]: Initializing CDTParser... 15.53/7.21 [2019-03-28 12:18:00,267 INFO L276 PluginConnector]: CDTParser initialized 15.53/7.21 [2019-03-28 12:18:00,268 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.53/7.21 [2019-03-28 12:18:00,338 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/52b430a4bf234ef19cf31f7e17fd75eb/FLAG2cdc00057 15.53/7.21 [2019-03-28 12:18:00,666 INFO L307 CDTParser]: Found 1 translation units. 15.53/7.21 [2019-03-28 12:18:00,667 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.53/7.21 [2019-03-28 12:18:00,673 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/52b430a4bf234ef19cf31f7e17fd75eb/FLAG2cdc00057 15.53/7.21 [2019-03-28 12:18:01,076 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/52b430a4bf234ef19cf31f7e17fd75eb 15.53/7.21 [2019-03-28 12:18:01,087 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.53/7.21 [2019-03-28 12:18:01,089 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.53/7.21 [2019-03-28 12:18:01,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.53/7.21 [2019-03-28 12:18:01,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.53/7.21 [2019-03-28 12:18:01,094 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.53/7.21 [2019-03-28 12:18:01,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8e43d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.53/7.21 [2019-03-28 12:18:01,124 INFO L176 MainTranslator]: Built tables and reachable declarations 15.53/7.21 [2019-03-28 12:18:01,281 INFO L206 PostProcessor]: Analyzing one entry point: main 15.53/7.21 [2019-03-28 12:18:01,285 INFO L191 MainTranslator]: Completed pre-run 15.53/7.21 [2019-03-28 12:18:01,301 INFO L206 PostProcessor]: Analyzing one entry point: main 15.53/7.21 [2019-03-28 12:18:01,316 INFO L195 MainTranslator]: Completed translation 15.53/7.21 [2019-03-28 12:18:01,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01 WrapperNode 15.53/7.21 [2019-03-28 12:18:01,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.53/7.21 [2019-03-28 12:18:01,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.53/7.21 [2019-03-28 12:18:01,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.53/7.21 [2019-03-28 12:18:01,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.53/7.21 [2019-03-28 12:18:01,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.53/7.21 [2019-03-28 12:18:01,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.53/7.21 [2019-03-28 12:18:01,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.53/7.21 [2019-03-28 12:18:01,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.53/7.21 [2019-03-28 12:18:01,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.53/7.21 [2019-03-28 12:18:01,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.53/7.21 [2019-03-28 12:18:01,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.53/7.21 [2019-03-28 12:18:01,431 INFO L276 PluginConnector]: RCFGBuilder initialized 15.53/7.21 [2019-03-28 12:18:01,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (1/1) ... 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.53/7.21 [2019-03-28 12:18:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.53/7.21 [2019-03-28 12:18:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.53/7.21 [2019-03-28 12:18:01,637 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.53/7.21 [2019-03-28 12:18:01,637 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 15.53/7.21 [2019-03-28 12:18:01,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:01 BoogieIcfgContainer 15.53/7.21 [2019-03-28 12:18:01,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.53/7.21 [2019-03-28 12:18:01,639 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.53/7.21 [2019-03-28 12:18:01,640 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.53/7.21 [2019-03-28 12:18:01,642 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.53/7.21 [2019-03-28 12:18:01,643 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:01" (1/1) ... 15.53/7.21 [2019-03-28 12:18:01,657 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 15.53/7.21 [2019-03-28 12:18:01,659 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.53/7.21 [2019-03-28 12:18:01,660 INFO L263 BlockEncoder]: Using Maximize final states 15.53/7.21 [2019-03-28 12:18:01,660 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.53/7.21 [2019-03-28 12:18:01,661 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.53/7.21 [2019-03-28 12:18:01,663 INFO L296 BlockEncoder]: Using Remove sink states 15.53/7.21 [2019-03-28 12:18:01,664 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.53/7.21 [2019-03-28 12:18:01,664 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.53/7.21 [2019-03-28 12:18:01,679 INFO L185 BlockEncoder]: Using Use SBE 15.53/7.21 [2019-03-28 12:18:01,688 INFO L200 BlockEncoder]: SBE split 0 edges 15.53/7.21 [2019-03-28 12:18:01,693 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 15.53/7.21 [2019-03-28 12:18:01,701 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.53/7.21 [2019-03-28 12:18:01,730 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 15.53/7.21 [2019-03-28 12:18:01,733 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.53/7.21 [2019-03-28 12:18:01,734 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.53/7.21 [2019-03-28 12:18:01,734 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.53/7.21 [2019-03-28 12:18:01,735 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.53/7.21 [2019-03-28 12:18:01,735 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.53/7.21 [2019-03-28 12:18:01,735 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.53/7.21 [2019-03-28 12:18:01,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:01 BasicIcfg 15.53/7.21 [2019-03-28 12:18:01,736 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.53/7.21 [2019-03-28 12:18:01,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.53/7.21 [2019-03-28 12:18:01,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.53/7.21 [2019-03-28 12:18:01,741 INFO L276 PluginConnector]: TraceAbstraction initialized 15.53/7.21 [2019-03-28 12:18:01,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:18:01" (1/4) ... 15.53/7.21 [2019-03-28 12:18:01,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dc3e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (2/4) ... 15.53/7.21 [2019-03-28 12:18:01,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dc3e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:01" (3/4) ... 15.53/7.21 [2019-03-28 12:18:01,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dc3e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:01" (4/4) ... 15.53/7.21 [2019-03-28 12:18:01,746 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.53/7.21 [2019-03-28 12:18:01,759 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.53/7.21 [2019-03-28 12:18:01,767 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.53/7.21 [2019-03-28 12:18:01,786 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.53/7.21 [2019-03-28 12:18:01,817 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.53/7.21 [2019-03-28 12:18:01,818 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.53/7.21 [2019-03-28 12:18:01,818 INFO L383 AbstractCegarLoop]: Hoare is true 15.53/7.21 [2019-03-28 12:18:01,818 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.53/7.21 [2019-03-28 12:18:01,818 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.53/7.21 [2019-03-28 12:18:01,819 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.53/7.21 [2019-03-28 12:18:01,819 INFO L387 AbstractCegarLoop]: Difference is false 15.53/7.21 [2019-03-28 12:18:01,819 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.53/7.21 [2019-03-28 12:18:01,819 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.53/7.21 [2019-03-28 12:18:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.53/7.21 [2019-03-28 12:18:01,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.53/7.21 [2019-03-28 12:18:01,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.53/7.21 [2019-03-28 12:18:01,898 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.53/7.21 [2019-03-28 12:18:01,899 INFO L451 ceAbstractionStarter]: At program point L8-2(lines 8 11) the Hoare annotation is: true 15.53/7.21 [2019-03-28 12:18:01,899 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 13) the Hoare annotation is: true 15.53/7.21 [2019-03-28 12:18:01,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:01 BasicIcfg 15.53/7.21 [2019-03-28 12:18:01,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.53/7.21 [2019-03-28 12:18:01,908 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.53/7.21 [2019-03-28 12:18:01,908 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.53/7.21 [2019-03-28 12:18:01,912 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.53/7.21 [2019-03-28 12:18:01,912 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/7.21 [2019-03-28 12:18:01,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:18:01" (1/5) ... 15.53/7.21 [2019-03-28 12:18:01,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34bf6a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,913 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/7.21 [2019-03-28 12:18:01,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:01" (2/5) ... 15.53/7.21 [2019-03-28 12:18:01,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34bf6a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,914 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/7.21 [2019-03-28 12:18:01,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:01" (3/5) ... 15.53/7.21 [2019-03-28 12:18:01,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34bf6a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,915 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/7.21 [2019-03-28 12:18:01,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:01" (4/5) ... 15.53/7.21 [2019-03-28 12:18:01,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34bf6a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:01, skipping insertion in model container 15.53/7.21 [2019-03-28 12:18:01,915 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/7.21 [2019-03-28 12:18:01,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:01" (5/5) ... 15.53/7.21 [2019-03-28 12:18:01,917 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.53/7.21 [2019-03-28 12:18:01,944 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.53/7.21 [2019-03-28 12:18:01,945 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.53/7.21 [2019-03-28 12:18:01,945 INFO L375 BuchiCegarLoop]: Hoare is true 15.53/7.21 [2019-03-28 12:18:01,945 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.53/7.21 [2019-03-28 12:18:01,945 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.53/7.21 [2019-03-28 12:18:01,945 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.53/7.21 [2019-03-28 12:18:01,945 INFO L379 BuchiCegarLoop]: Difference is false 15.53/7.21 [2019-03-28 12:18:01,946 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.53/7.21 [2019-03-28 12:18:01,946 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.53/7.21 [2019-03-28 12:18:01,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.53/7.21 [2019-03-28 12:18:01,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.53/7.21 [2019-03-28 12:18:01,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/7.21 [2019-03-28 12:18:01,968 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/7.21 [2019-03-28 12:18:01,974 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.53/7.21 [2019-03-28 12:18:01,974 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.53/7.21 [2019-03-28 12:18:01,974 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.53/7.21 [2019-03-28 12:18:01,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.53/7.21 [2019-03-28 12:18:01,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.53/7.21 [2019-03-28 12:18:01,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/7.21 [2019-03-28 12:18:01,975 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/7.21 [2019-03-28 12:18:01,975 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.53/7.21 [2019-03-28 12:18:01,975 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.53/7.21 [2019-03-28 12:18:01,981 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 5#L6-2true 15.53/7.21 [2019-03-28 12:18:01,981 INFO L796 eck$LassoCheckResult]: Loop: 5#L6-2true [44] L6-2-->L8-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_6 1) (<= 0 v_ULTIMATE.start_test_fun_~x_8)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 4#L8-2true [48] L8-2-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_10 (+ v_ULTIMATE.start_test_fun_~x_11 (- 1))) (<= v_ULTIMATE.start_test_fun_~x_11 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_11} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 5#L6-2true 15.53/7.21 [2019-03-28 12:18:01,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:01,988 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 15.53/7.21 [2019-03-28 12:18:01,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/7.21 [2019-03-28 12:18:01,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/7.21 [2019-03-28 12:18:02,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:02,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2373, now seen corresponding path program 1 times 15.53/7.21 [2019-03-28 12:18:02,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/7.21 [2019-03-28 12:18:02,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/7.21 [2019-03-28 12:18:02,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash 63877, now seen corresponding path program 1 times 15.53/7.21 [2019-03-28 12:18:02,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/7.21 [2019-03-28 12:18:02,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/7.21 [2019-03-28 12:18:02,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,141 INFO L216 LassoAnalysis]: Preferences: 15.53/7.21 [2019-03-28 12:18:02,142 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/7.21 [2019-03-28 12:18:02,143 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/7.21 [2019-03-28 12:18:02,143 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/7.21 [2019-03-28 12:18:02,143 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.53/7.21 [2019-03-28 12:18:02,143 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,143 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/7.21 [2019-03-28 12:18:02,144 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/7.21 [2019-03-28 12:18:02,144 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.53/7.21 [2019-03-28 12:18:02,144 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/7.21 [2019-03-28 12:18:02,144 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/7.21 [2019-03-28 12:18:02,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,227 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/7.21 [2019-03-28 12:18:02,228 INFO L412 LassoAnalysis]: Checking for nontermination... 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,236 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,236 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,271 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,271 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:02,307 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.53/7.21 [2019-03-28 12:18:02,309 INFO L216 LassoAnalysis]: Preferences: 15.53/7.21 [2019-03-28 12:18:02,309 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/7.21 [2019-03-28 12:18:02,309 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/7.21 [2019-03-28 12:18:02,309 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/7.21 [2019-03-28 12:18:02,310 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.53/7.21 [2019-03-28 12:18:02,310 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,310 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/7.21 [2019-03-28 12:18:02,310 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/7.21 [2019-03-28 12:18:02,310 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.53/7.21 [2019-03-28 12:18:02,310 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/7.21 [2019-03-28 12:18:02,310 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/7.21 [2019-03-28 12:18:02,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,365 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/7.21 [2019-03-28 12:18:02,370 INFO L497 LassoAnalysis]: Using template 'affine'. 15.53/7.21 [2019-03-28 12:18:02,372 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/7.21 Termination analysis: LINEAR_WITH_GUESSES 15.53/7.21 Number of strict supporting invariants: 0 15.53/7.21 Number of non-strict supporting invariants: 1 15.53/7.21 Consider only non-deceasing supporting invariants: true 15.53/7.21 Simplify termination arguments: true 15.53/7.21 Simplify supporting invariants: trueOverapproximate stem: false 15.53/7.21 [2019-03-28 12:18:02,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/7.21 [2019-03-28 12:18:02,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/7.21 [2019-03-28 12:18:02,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/7.21 [2019-03-28 12:18:02,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/7.21 [2019-03-28 12:18:02,375 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/7.21 [2019-03-28 12:18:02,378 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/7.21 [2019-03-28 12:18:02,378 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/7.21 [2019-03-28 12:18:02,387 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.53/7.21 [2019-03-28 12:18:02,396 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.53/7.21 [2019-03-28 12:18:02,397 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.53/7.21 [2019-03-28 12:18:02,399 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.53/7.21 [2019-03-28 12:18:02,399 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.53/7.21 [2019-03-28 12:18:02,400 INFO L518 LassoAnalysis]: Proved termination. 15.53/7.21 [2019-03-28 12:18:02,400 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.53/7.21 Ranking function f(ULTIMATE.start_test_fun_~x) = 2*ULTIMATE.start_test_fun_~x + 1 15.53/7.21 Supporting invariants [] 15.53/7.21 [2019-03-28 12:18:02,402 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.53/7.21 [2019-03-28 12:18:02,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/7.21 [2019-03-28 12:18:02,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.53/7.21 [2019-03-28 12:18:02,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.53/7.21 [2019-03-28 12:18:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/7.21 [2019-03-28 12:18:02,455 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.53/7.21 [2019-03-28 12:18:02,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.53/7.21 [2019-03-28 12:18:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.53/7.21 [2019-03-28 12:18:02,503 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.53/7.21 [2019-03-28 12:18:02,508 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.53/7.21 [2019-03-28 12:18:02,510 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.53/7.21 [2019-03-28 12:18:02,545 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 15.53/7.21 [2019-03-28 12:18:02,546 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 15.53/7.21 [2019-03-28 12:18:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.53/7.21 [2019-03-28 12:18:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 15.53/7.21 [2019-03-28 12:18:02,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 15.53/7.21 [2019-03-28 12:18:02,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/7.21 [2019-03-28 12:18:02,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 15.53/7.21 [2019-03-28 12:18:02,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/7.21 [2019-03-28 12:18:02,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 15.53/7.21 [2019-03-28 12:18:02,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/7.21 [2019-03-28 12:18:02,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 15.53/7.21 [2019-03-28 12:18:02,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.53/7.21 [2019-03-28 12:18:02,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 15.53/7.21 [2019-03-28 12:18:02,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.53/7.21 [2019-03-28 12:18:02,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.53/7.21 [2019-03-28 12:18:02,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 15.53/7.21 [2019-03-28 12:18:02,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.53/7.21 [2019-03-28 12:18:02,566 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.53/7.21 [2019-03-28 12:18:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 15.53/7.21 [2019-03-28 12:18:02,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 15.53/7.21 [2019-03-28 12:18:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.53/7.21 [2019-03-28 12:18:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 15.53/7.21 [2019-03-28 12:18:02,595 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 15.53/7.21 [2019-03-28 12:18:02,595 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 15.53/7.21 [2019-03-28 12:18:02,596 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.53/7.21 [2019-03-28 12:18:02,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 15.53/7.21 [2019-03-28 12:18:02,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.53/7.21 [2019-03-28 12:18:02,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/7.21 [2019-03-28 12:18:02,597 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/7.21 [2019-03-28 12:18:02,597 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.53/7.21 [2019-03-28 12:18:02,597 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.53/7.21 [2019-03-28 12:18:02,597 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 43#L6-2 [44] L6-2-->L8-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_6 1) (<= 0 v_ULTIMATE.start_test_fun_~x_8)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 44#L8-2 15.53/7.21 [2019-03-28 12:18:02,598 INFO L796 eck$LassoCheckResult]: Loop: 44#L8-2 [37] L8-2-->L8-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_4 (* 2 v_ULTIMATE.start_test_fun_~y_5)) (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~c~0] 44#L8-2 15.53/7.21 [2019-03-28 12:18:02,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:02,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2059, now seen corresponding path program 1 times 15.53/7.21 [2019-03-28 12:18:02,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/7.21 [2019-03-28 12:18:02,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/7.21 [2019-03-28 12:18:02,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:02,607 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 15.53/7.21 [2019-03-28 12:18:02,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/7.21 [2019-03-28 12:18:02,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/7.21 [2019-03-28 12:18:02,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:02,615 INFO L82 PathProgramCache]: Analyzing trace with hash 63866, now seen corresponding path program 1 times 15.53/7.21 [2019-03-28 12:18:02,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/7.21 [2019-03-28 12:18:02,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/7.21 [2019-03-28 12:18:02,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/7.21 [2019-03-28 12:18:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/7.21 [2019-03-28 12:18:02,648 INFO L216 LassoAnalysis]: Preferences: 15.53/7.21 [2019-03-28 12:18:02,648 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/7.21 [2019-03-28 12:18:02,648 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/7.21 [2019-03-28 12:18:02,648 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/7.21 [2019-03-28 12:18:02,648 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.53/7.21 [2019-03-28 12:18:02,648 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,649 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/7.21 [2019-03-28 12:18:02,649 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/7.21 [2019-03-28 12:18:02,649 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.53/7.21 [2019-03-28 12:18:02,649 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/7.21 [2019-03-28 12:18:02,649 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/7.21 [2019-03-28 12:18:02,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,697 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/7.21 [2019-03-28 12:18:02,698 INFO L412 LassoAnalysis]: Checking for nontermination... 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,704 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,704 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:02,740 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/7.21 [2019-03-28 12:18:02,741 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~y=0, ULTIMATE.start_test_fun_~x=1} Honda state: {ULTIMATE.start_test_fun_~y=0, ULTIMATE.start_test_fun_~x=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,746 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,778 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,778 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:02,796 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/7.21 [2019-03-28 12:18:02,796 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.53/7.21 [2019-03-28 12:18:02,847 INFO L216 LassoAnalysis]: Preferences: 15.53/7.21 [2019-03-28 12:18:02,847 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/7.21 [2019-03-28 12:18:02,847 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/7.21 [2019-03-28 12:18:02,848 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/7.21 [2019-03-28 12:18:02,848 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.53/7.21 [2019-03-28 12:18:02,848 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,848 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/7.21 [2019-03-28 12:18:02,848 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/7.21 [2019-03-28 12:18:02,848 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 15.53/7.21 [2019-03-28 12:18:02,848 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/7.21 [2019-03-28 12:18:02,849 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/7.21 [2019-03-28 12:18:02,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:02,958 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/7.21 [2019-03-28 12:18:02,958 INFO L412 LassoAnalysis]: Checking for nontermination... 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,961 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,962 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:02,966 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/7.21 [2019-03-28 12:18:02,967 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:02,997 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:02,997 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:03,031 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:03,032 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:03,049 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/7.21 [2019-03-28 12:18:03,050 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:03,081 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:03,081 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:03,088 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/7.21 [2019-03-28 12:18:03,088 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0, ULTIMATE.start_test_fun_#in~y=0} Honda state: {ULTIMATE.start_main_#t~nondet1=-8, ULTIMATE.start_test_fun_#in~y=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:03,119 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:03,119 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.53/7.21 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/7.21 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:03,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.53/7.21 [2019-03-28 12:18:03,155 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/7.21 [2019-03-28 12:18:03,315 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.53/7.21 [2019-03-28 12:18:03,318 INFO L216 LassoAnalysis]: Preferences: 15.53/7.21 [2019-03-28 12:18:03,318 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/7.21 [2019-03-28 12:18:03,318 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/7.21 [2019-03-28 12:18:03,318 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/7.21 [2019-03-28 12:18:03,319 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.53/7.21 [2019-03-28 12:18:03,319 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.53/7.21 [2019-03-28 12:18:03,319 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/7.21 [2019-03-28 12:18:03,319 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/7.21 [2019-03-28 12:18:03,319 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 15.53/7.21 [2019-03-28 12:18:03,319 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/7.21 [2019-03-28 12:18:03,319 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/7.21 [2019-03-28 12:18:03,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:03,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:03,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:03,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:03,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:03,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/7.21 [2019-03-28 12:18:03,452 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/7.21 [2019-03-28 12:18:03,452 INFO L497 LassoAnalysis]: Using template 'affine'. 15.53/7.21 [2019-03-28 12:18:03,453 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/7.21 Termination analysis: LINEAR_WITH_GUESSES 15.53/7.21 Number of strict supporting invariants: 0 15.53/7.21 Number of non-strict supporting invariants: 1 15.53/7.21 Consider only non-deceasing supporting invariants: true 15.53/7.21 Simplify termination arguments: true 15.53/7.21 Simplify supporting invariants: trueOverapproximate stem: false 15.53/7.21 [2019-03-28 12:18:03,454 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/7.21 [2019-03-28 12:18:03,454 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/7.21 [2019-03-28 12:18:03,454 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/7.21 [2019-03-28 12:18:03,454 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/7.21 [2019-03-28 12:18:03,455 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/7.21 [2019-03-28 12:18:03,455 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/7.21 [2019-03-28 12:18:03,456 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/7.21 [2019-03-28 12:18:03,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/7.21 [2019-03-28 12:18:03,457 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/7.21 Termination analysis: LINEAR_WITH_GUESSES 15.53/7.21 Number of strict supporting invariants: 0 15.53/7.21 Number of non-strict supporting invariants: 1 15.53/7.21 Consider only non-deceasing supporting invariants: true 15.53/7.21 Simplify termination arguments: true 15.53/7.21 Simplify supporting invariants: trueOverapproximate stem: false 15.53/7.21 [2019-03-28 12:18:03,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/7.21 [2019-03-28 12:18:03,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/7.21 [2019-03-28 12:18:03,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/7.21 [2019-03-28 12:18:03,458 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/7.21 [2019-03-28 12:18:03,465 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.53/7.21 [2019-03-28 12:18:03,465 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.53/7.21 [2019-03-28 12:18:03,520 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.53/7.21 [2019-03-28 12:18:03,542 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.53/7.21 [2019-03-28 12:18:03,542 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. 15.53/7.21 [2019-03-28 12:18:03,544 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.53/7.21 [2019-03-28 12:18:03,546 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 15.53/7.21 [2019-03-28 12:18:03,547 INFO L518 LassoAnalysis]: Proved termination. 15.53/7.21 [2019-03-28 12:18:03,547 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.53/7.21 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x 15.53/7.21 Supporting invariants [1*ULTIMATE.start_test_fun_~y - 1 >= 0] 15.53/7.21 [2019-03-28 12:18:03,550 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 15.53/7.21 [2019-03-28 12:18:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/7.21 [2019-03-28 12:18:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/7.21 [2019-03-28 12:18:03,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core 15.53/7.21 [2019-03-28 12:18:03,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.53/7.21 [2019-03-28 12:18:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/7.21 [2019-03-28 12:18:03,597 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 15.53/7.21 [2019-03-28 12:18:03,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.53/7.21 [2019-03-28 12:18:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.53/7.21 [2019-03-28 12:18:03,610 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.53/7.21 [2019-03-28 12:18:03,610 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.53/7.21 [2019-03-28 12:18:03,611 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 15.53/7.21 [2019-03-28 12:18:03,656 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 17 states and 26 transitions. Complement of second has 10 states. 15.53/7.21 [2019-03-28 12:18:03,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.53/7.21 [2019-03-28 12:18:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.53/7.21 [2019-03-28 12:18:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 15.53/7.21 [2019-03-28 12:18:03,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. 15.53/7.21 [2019-03-28 12:18:03,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/7.21 [2019-03-28 12:18:03,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. 15.53/7.21 [2019-03-28 12:18:03,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/7.21 [2019-03-28 12:18:03,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 15.53/7.21 [2019-03-28 12:18:03,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/7.21 [2019-03-28 12:18:03,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 26 transitions. 15.53/7.21 [2019-03-28 12:18:03,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.53/7.21 [2019-03-28 12:18:03,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. 15.53/7.21 [2019-03-28 12:18:03,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.53/7.21 [2019-03-28 12:18:03,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.53/7.21 [2019-03-28 12:18:03,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.53/7.21 [2019-03-28 12:18:03,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.53/7.21 [2019-03-28 12:18:03,662 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.53/7.21 [2019-03-28 12:18:03,662 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.53/7.21 [2019-03-28 12:18:03,662 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.53/7.21 [2019-03-28 12:18:03,663 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.53/7.21 [2019-03-28 12:18:03,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.53/7.21 [2019-03-28 12:18:03,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.53/7.21 [2019-03-28 12:18:03,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.53/7.21 [2019-03-28 12:18:03,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:03 BasicIcfg 15.53/7.21 [2019-03-28 12:18:03,669 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.53/7.21 [2019-03-28 12:18:03,670 INFO L168 Benchmark]: Toolchain (without parser) took 2581.70 ms. Allocated memory was 649.6 MB in the beginning and 681.1 MB in the end (delta: 31.5 MB). Free memory was 564.9 MB in the beginning and 438.1 MB in the end (delta: 126.8 MB). Peak memory consumption was 158.3 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,672 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.61 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.89 ms. Allocated memory was 649.6 MB in the beginning and 681.1 MB in the end (delta: 31.5 MB). Free memory was 555.4 MB in the beginning and 647.7 MB in the end (delta: -92.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,673 INFO L168 Benchmark]: Boogie Preprocessor took 20.67 ms. Allocated memory is still 681.1 MB. Free memory was 647.7 MB in the beginning and 644.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,674 INFO L168 Benchmark]: RCFGBuilder took 208.37 ms. Allocated memory is still 681.1 MB. Free memory was 644.6 MB in the beginning and 630.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,674 INFO L168 Benchmark]: BlockEncodingV2 took 96.65 ms. Allocated memory is still 681.1 MB. Free memory was 630.3 MB in the beginning and 624.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,675 INFO L168 Benchmark]: TraceAbstraction took 170.74 ms. Allocated memory is still 681.1 MB. Free memory was 624.9 MB in the beginning and 616.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,676 INFO L168 Benchmark]: BuchiAutomizer took 1761.13 ms. Allocated memory is still 681.1 MB. Free memory was 615.5 MB in the beginning and 438.1 MB in the end (delta: 177.4 MB). Peak memory consumption was 177.4 MB. Max. memory is 50.3 GB. 15.53/7.21 [2019-03-28 12:18:03,680 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.53/7.21 --- Results --- 15.53/7.21 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.53/7.21 - StatisticsResult: Initial Icfg 15.53/7.21 9 locations, 12 edges 15.53/7.21 - StatisticsResult: Encoded RCFG 15.53/7.21 3 locations, 4 edges 15.53/7.21 * Results from de.uni_freiburg.informatik.ultimate.core: 15.53/7.21 - StatisticsResult: Toolchain Benchmarks 15.53/7.21 Benchmark results are: 15.53/7.21 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.53/7.21 * CACSL2BoogieTranslator took 226.61 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.53/7.21 * Boogie Procedure Inliner took 91.89 ms. Allocated memory was 649.6 MB in the beginning and 681.1 MB in the end (delta: 31.5 MB). Free memory was 555.4 MB in the beginning and 647.7 MB in the end (delta: -92.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 15.53/7.21 * Boogie Preprocessor took 20.67 ms. Allocated memory is still 681.1 MB. Free memory was 647.7 MB in the beginning and 644.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.53/7.21 * RCFGBuilder took 208.37 ms. Allocated memory is still 681.1 MB. Free memory was 644.6 MB in the beginning and 630.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.53/7.21 * BlockEncodingV2 took 96.65 ms. Allocated memory is still 681.1 MB. Free memory was 630.3 MB in the beginning and 624.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.53/7.21 * TraceAbstraction took 170.74 ms. Allocated memory is still 681.1 MB. Free memory was 624.9 MB in the beginning and 616.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.53/7.21 * BuchiAutomizer took 1761.13 ms. Allocated memory is still 681.1 MB. Free memory was 615.5 MB in the beginning and 438.1 MB in the end (delta: 177.4 MB). Peak memory consumption was 177.4 MB. Max. memory is 50.3 GB. 15.53/7.21 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.53/7.21 - AllSpecificationsHoldResult: All specifications hold 15.53/7.21 We were not able to verify any specifiation because the program does not contain any specification. 15.53/7.21 - InvariantResult [Line: 8]: Loop Invariant 15.53/7.21 Derived loop invariant: 1 15.53/7.21 - InvariantResult [Line: 6]: Loop Invariant 15.53/7.21 Derived loop invariant: 1 15.53/7.21 - StatisticsResult: Ultimate Automizer benchmark data 15.53/7.21 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 15.53/7.21 - StatisticsResult: Constructed decomposition of program 15.53/7.21 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 4 locations. 15.53/7.21 - StatisticsResult: Timing statistics 15.53/7.21 BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp80 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf91 smp100 dnf100 smp100 tf106 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 89ms VariablesStem: 4 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 15.53/7.21 - TerminationAnalysisResult: Termination proven 15.53/7.21 Buchi Automizer proved that your program is terminating 15.53/7.21 RESULT: Ultimate proved your program to be correct! 15.53/7.21 !SESSION 2019-03-28 12:17:57.817 ----------------------------------------------- 15.53/7.21 eclipse.buildId=unknown 15.53/7.21 java.version=1.8.0_181 15.53/7.21 java.vendor=Oracle Corporation 15.53/7.21 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.53/7.21 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.53/7.21 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.53/7.21 15.53/7.21 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:18:03.912 15.53/7.21 !MESSAGE The workspace will exit with unsaved changes in this session. 15.53/7.21 Received shutdown request... 15.53/7.21 Ultimate: 15.53/7.21 GTK+ Version Check 15.53/7.21 EOF