17.52/8.00 YES 17.52/8.00 17.52/8.00 Ultimate: Cannot open display: 17.52/8.00 This is Ultimate 0.1.24-8dc7c08-m 17.52/8.00 [2019-03-28 22:41:31,178 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.52/8.00 [2019-03-28 22:41:31,180 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.52/8.00 [2019-03-28 22:41:31,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.52/8.00 [2019-03-28 22:41:31,193 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.52/8.00 [2019-03-28 22:41:31,194 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.52/8.00 [2019-03-28 22:41:31,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.52/8.00 [2019-03-28 22:41:31,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.52/8.00 [2019-03-28 22:41:31,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.52/8.00 [2019-03-28 22:41:31,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.52/8.00 [2019-03-28 22:41:31,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.52/8.00 [2019-03-28 22:41:31,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.52/8.00 [2019-03-28 22:41:31,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.52/8.00 [2019-03-28 22:41:31,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.52/8.00 [2019-03-28 22:41:31,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.52/8.00 [2019-03-28 22:41:31,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.52/8.00 [2019-03-28 22:41:31,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.52/8.00 [2019-03-28 22:41:31,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.52/8.00 [2019-03-28 22:41:31,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.52/8.00 [2019-03-28 22:41:31,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.52/8.00 [2019-03-28 22:41:31,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.52/8.00 [2019-03-28 22:41:31,214 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.52/8.00 [2019-03-28 22:41:31,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.52/8.00 [2019-03-28 22:41:31,215 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.52/8.00 [2019-03-28 22:41:31,216 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.52/8.00 [2019-03-28 22:41:31,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.52/8.00 [2019-03-28 22:41:31,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.52/8.00 [2019-03-28 22:41:31,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.52/8.00 [2019-03-28 22:41:31,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.52/8.00 [2019-03-28 22:41:31,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.52/8.00 [2019-03-28 22:41:31,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.52/8.00 [2019-03-28 22:41:31,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.52/8.00 [2019-03-28 22:41:31,221 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 17.52/8.00 [2019-03-28 22:41:31,236 INFO L110 SettingsManager]: Loading preferences was successful 17.52/8.00 [2019-03-28 22:41:31,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.52/8.00 [2019-03-28 22:41:31,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.52/8.00 [2019-03-28 22:41:31,238 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.52/8.00 [2019-03-28 22:41:31,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.52/8.00 [2019-03-28 22:41:31,238 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.52/8.00 [2019-03-28 22:41:31,238 INFO L133 SettingsManager]: * Use SBE=true 17.52/8.00 [2019-03-28 22:41:31,239 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.52/8.00 [2019-03-28 22:41:31,239 INFO L133 SettingsManager]: * Use old map elimination=false 17.52/8.00 [2019-03-28 22:41:31,239 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.52/8.00 [2019-03-28 22:41:31,239 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.52/8.00 [2019-03-28 22:41:31,239 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.52/8.00 [2019-03-28 22:41:31,239 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.52/8.00 [2019-03-28 22:41:31,240 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.52/8.00 [2019-03-28 22:41:31,240 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:31,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.52/8.00 [2019-03-28 22:41:31,240 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.52/8.00 [2019-03-28 22:41:31,240 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.52/8.00 [2019-03-28 22:41:31,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.52/8.00 [2019-03-28 22:41:31,241 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.52/8.00 [2019-03-28 22:41:31,241 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.52/8.00 [2019-03-28 22:41:31,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.52/8.00 [2019-03-28 22:41:31,241 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.52/8.00 [2019-03-28 22:41:31,242 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.52/8.00 [2019-03-28 22:41:31,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.52/8.00 [2019-03-28 22:41:31,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.52/8.00 [2019-03-28 22:41:31,242 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.52/8.00 [2019-03-28 22:41:31,242 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.52/8.00 [2019-03-28 22:41:31,242 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.52/8.00 [2019-03-28 22:41:31,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.52/8.00 [2019-03-28 22:41:31,281 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.52/8.00 [2019-03-28 22:41:31,285 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.52/8.00 [2019-03-28 22:41:31,286 INFO L271 PluginConnector]: Initializing CDTParser... 17.52/8.00 [2019-03-28 22:41:31,287 INFO L276 PluginConnector]: CDTParser initialized 17.52/8.00 [2019-03-28 22:41:31,287 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 17.52/8.00 [2019-03-28 22:41:31,355 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/95b5715c64e743ea84d0072bd79857ff/FLAG384158700 17.52/8.00 [2019-03-28 22:41:31,696 INFO L307 CDTParser]: Found 1 translation units. 17.52/8.00 [2019-03-28 22:41:31,697 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 17.52/8.00 [2019-03-28 22:41:31,704 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/95b5715c64e743ea84d0072bd79857ff/FLAG384158700 17.52/8.00 [2019-03-28 22:41:32,133 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/95b5715c64e743ea84d0072bd79857ff 17.52/8.00 [2019-03-28 22:41:32,144 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.52/8.00 [2019-03-28 22:41:32,146 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.52/8.00 [2019-03-28 22:41:32,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.52/8.00 [2019-03-28 22:41:32,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.52/8.00 [2019-03-28 22:41:32,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.52/8.00 [2019-03-28 22:41:32,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459e8120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.52/8.00 [2019-03-28 22:41:32,180 INFO L176 MainTranslator]: Built tables and reachable declarations 17.52/8.00 [2019-03-28 22:41:32,338 INFO L206 PostProcessor]: Analyzing one entry point: main 17.52/8.00 [2019-03-28 22:41:32,343 INFO L191 MainTranslator]: Completed pre-run 17.52/8.00 [2019-03-28 22:41:32,360 INFO L206 PostProcessor]: Analyzing one entry point: main 17.52/8.00 [2019-03-28 22:41:32,442 INFO L195 MainTranslator]: Completed translation 17.52/8.00 [2019-03-28 22:41:32,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32 WrapperNode 17.52/8.00 [2019-03-28 22:41:32,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.52/8.00 [2019-03-28 22:41:32,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.52/8.00 [2019-03-28 22:41:32,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.52/8.00 [2019-03-28 22:41:32,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.52/8.00 [2019-03-28 22:41:32,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.52/8.00 [2019-03-28 22:41:32,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.52/8.00 [2019-03-28 22:41:32,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.52/8.00 [2019-03-28 22:41:32,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.52/8.00 [2019-03-28 22:41:32,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.52/8.00 [2019-03-28 22:41:32,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.52/8.00 [2019-03-28 22:41:32,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.52/8.00 [2019-03-28 22:41:32,505 INFO L276 PluginConnector]: RCFGBuilder initialized 17.52/8.00 [2019-03-28 22:41:32,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (1/1) ... 17.52/8.00 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.00 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.52/8.00 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.52/8.00 [2019-03-28 22:41:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.52/8.00 [2019-03-28 22:41:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.52/8.00 [2019-03-28 22:41:32,726 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.52/8.00 [2019-03-28 22:41:32,727 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 17.52/8.00 [2019-03-28 22:41:32,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:32 BoogieIcfgContainer 17.52/8.00 [2019-03-28 22:41:32,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.52/8.00 [2019-03-28 22:41:32,729 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.52/8.00 [2019-03-28 22:41:32,729 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.52/8.00 [2019-03-28 22:41:32,731 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.52/8.00 [2019-03-28 22:41:32,732 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:32" (1/1) ... 17.52/8.00 [2019-03-28 22:41:32,747 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 14 edges 17.52/8.00 [2019-03-28 22:41:32,749 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.52/8.00 [2019-03-28 22:41:32,749 INFO L263 BlockEncoder]: Using Maximize final states 17.52/8.00 [2019-03-28 22:41:32,750 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.52/8.00 [2019-03-28 22:41:32,750 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.52/8.00 [2019-03-28 22:41:32,752 INFO L296 BlockEncoder]: Using Remove sink states 17.52/8.00 [2019-03-28 22:41:32,753 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.52/8.00 [2019-03-28 22:41:32,753 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.52/8.00 [2019-03-28 22:41:32,769 INFO L185 BlockEncoder]: Using Use SBE 17.52/8.00 [2019-03-28 22:41:32,786 INFO L200 BlockEncoder]: SBE split 4 edges 17.52/8.00 [2019-03-28 22:41:32,791 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 17.52/8.00 [2019-03-28 22:41:32,793 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.52/8.00 [2019-03-28 22:41:32,806 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.52/8.00 [2019-03-28 22:41:32,808 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.52/8.00 [2019-03-28 22:41:32,809 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.52/8.00 [2019-03-28 22:41:32,810 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.52/8.00 [2019-03-28 22:41:32,810 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.52/8.00 [2019-03-28 22:41:32,810 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.52/8.00 [2019-03-28 22:41:32,811 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 11 edges 17.52/8.00 [2019-03-28 22:41:32,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:41:32 BasicIcfg 17.52/8.00 [2019-03-28 22:41:32,811 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.52/8.00 [2019-03-28 22:41:32,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.52/8.00 [2019-03-28 22:41:32,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.52/8.00 [2019-03-28 22:41:32,816 INFO L276 PluginConnector]: TraceAbstraction initialized 17.52/8.00 [2019-03-28 22:41:32,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:41:32" (1/4) ... 17.52/8.00 [2019-03-28 22:41:32,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4583e59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (2/4) ... 17.52/8.00 [2019-03-28 22:41:32,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4583e59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:32" (3/4) ... 17.52/8.00 [2019-03-28 22:41:32,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4583e59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:41:32" (4/4) ... 17.52/8.00 [2019-03-28 22:41:32,820 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.52/8.00 [2019-03-28 22:41:32,832 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.52/8.00 [2019-03-28 22:41:32,839 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.52/8.00 [2019-03-28 22:41:32,857 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.52/8.00 [2019-03-28 22:41:32,886 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.52/8.00 [2019-03-28 22:41:32,887 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.52/8.00 [2019-03-28 22:41:32,887 INFO L383 AbstractCegarLoop]: Hoare is true 17.52/8.00 [2019-03-28 22:41:32,887 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.52/8.00 [2019-03-28 22:41:32,887 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.52/8.00 [2019-03-28 22:41:32,887 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.52/8.00 [2019-03-28 22:41:32,887 INFO L387 AbstractCegarLoop]: Difference is false 17.52/8.00 [2019-03-28 22:41:32,887 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.52/8.00 [2019-03-28 22:41:32,888 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.52/8.00 [2019-03-28 22:41:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 17.52/8.00 [2019-03-28 22:41:32,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.52/8.00 [2019-03-28 22:41:32,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 17.52/8.00 [2019-03-28 22:41:32,964 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 17.52/8.00 [2019-03-28 22:41:32,964 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 21) no Hoare annotation was computed. 17.52/8.00 [2019-03-28 22:41:32,964 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.52/8.00 [2019-03-28 22:41:32,964 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 25) the Hoare annotation is: true 17.52/8.00 [2019-03-28 22:41:32,965 INFO L451 ceAbstractionStarter]: At program point L23-3(lines 18 26) the Hoare annotation is: true 17.52/8.00 [2019-03-28 22:41:32,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:41:32 BasicIcfg 17.52/8.00 [2019-03-28 22:41:32,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.52/8.00 [2019-03-28 22:41:32,974 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.52/8.00 [2019-03-28 22:41:32,974 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.52/8.00 [2019-03-28 22:41:32,977 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.52/8.00 [2019-03-28 22:41:32,978 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.52/8.00 [2019-03-28 22:41:32,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:41:32" (1/5) ... 17.52/8.00 [2019-03-28 22:41:32,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70b38770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,979 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.52/8.00 [2019-03-28 22:41:32,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:32" (2/5) ... 17.52/8.00 [2019-03-28 22:41:32,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70b38770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,979 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.52/8.00 [2019-03-28 22:41:32,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:32" (3/5) ... 17.52/8.00 [2019-03-28 22:41:32,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70b38770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.52/8.00 [2019-03-28 22:41:32,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:41:32" (4/5) ... 17.52/8.00 [2019-03-28 22:41:32,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70b38770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:41:32, skipping insertion in model container 17.52/8.00 [2019-03-28 22:41:32,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.52/8.00 [2019-03-28 22:41:32,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:41:32" (5/5) ... 17.52/8.00 [2019-03-28 22:41:32,982 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.52/8.00 [2019-03-28 22:41:33,009 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.52/8.00 [2019-03-28 22:41:33,009 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.52/8.00 [2019-03-28 22:41:33,009 INFO L375 BuchiCegarLoop]: Hoare is true 17.52/8.00 [2019-03-28 22:41:33,010 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.52/8.00 [2019-03-28 22:41:33,010 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.52/8.00 [2019-03-28 22:41:33,010 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.52/8.00 [2019-03-28 22:41:33,010 INFO L379 BuchiCegarLoop]: Difference is false 17.52/8.00 [2019-03-28 22:41:33,010 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.52/8.00 [2019-03-28 22:41:33,010 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.52/8.00 [2019-03-28 22:41:33,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 17.52/8.00 [2019-03-28 22:41:33,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.52/8.00 [2019-03-28 22:41:33,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.52/8.00 [2019-03-28 22:41:33,034 INFO L119 BuchiIsEmpty]: Starting construction of run 17.52/8.00 [2019-03-28 22:41:33,040 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.52/8.00 [2019-03-28 22:41:33,040 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 17.52/8.00 [2019-03-28 22:41:33,040 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.52/8.00 [2019-03-28 22:41:33,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 17.52/8.00 [2019-03-28 22:41:33,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.52/8.00 [2019-03-28 22:41:33,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.52/8.00 [2019-03-28 22:41:33,041 INFO L119 BuchiIsEmpty]: Starting construction of run 17.52/8.00 [2019-03-28 22:41:33,042 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.52/8.00 [2019-03-28 22:41:33,042 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 17.52/8.00 [2019-03-28 22:41:33,047 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [46] ULTIMATE.startENTRY-->L23-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0] 7#L23-3true 17.52/8.00 [2019-03-28 22:41:33,048 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-3true [56] L23-3-->L19-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 6#L19-2true [62] L19-2-->L19-3: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_3|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 5#L19-3true [48] L19-3-->L23-2: Formula: (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L23-2true [66] L23-2-->L23-3: Formula: (> v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~n~0_7) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4] 7#L23-3true 17.52/8.00 [2019-03-28 22:41:33,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.00 [2019-03-28 22:41:33,054 INFO L82 PathProgramCache]: Analyzing trace with hash 77, now seen corresponding path program 1 times 17.52/8.00 [2019-03-28 22:41:33,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.00 [2019-03-28 22:41:33,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.00 [2019-03-28 22:41:33,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.00 [2019-03-28 22:41:33,131 INFO L82 PathProgramCache]: Analyzing trace with hash 2652953, now seen corresponding path program 1 times 17.52/8.00 [2019-03-28 22:41:33,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.00 [2019-03-28 22:41:33,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.00 [2019-03-28 22:41:33,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.00 [2019-03-28 22:41:33,147 INFO L82 PathProgramCache]: Analyzing trace with hash 72840549, now seen corresponding path program 1 times 17.52/8.00 [2019-03-28 22:41:33,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.00 [2019-03-28 22:41:33,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.00 [2019-03-28 22:41:33,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,207 INFO L216 LassoAnalysis]: Preferences: 17.52/8.00 [2019-03-28 22:41:33,208 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.00 [2019-03-28 22:41:33,208 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.00 [2019-03-28 22:41:33,209 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.00 [2019-03-28 22:41:33,209 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.52/8.00 [2019-03-28 22:41:33,209 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:33,209 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.00 [2019-03-28 22:41:33,209 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.00 [2019-03-28 22:41:33,209 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.52/8.00 [2019-03-28 22:41:33,210 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.00 [2019-03-28 22:41:33,210 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.00 [2019-03-28 22:41:33,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,353 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.00 [2019-03-28 22:41:33,354 INFO L412 LassoAnalysis]: Checking for nontermination... 17.52/8.00 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.00 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.00 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:33,361 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.00 [2019-03-28 22:41:33,362 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.00 [2019-03-28 22:41:33,395 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.52/8.00 [2019-03-28 22:41:33,395 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: [] 17.52/8.00 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.00 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.00 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:33,404 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.00 [2019-03-28 22:41:33,404 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.00 [2019-03-28 22:41:33,432 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.52/8.00 [2019-03-28 22:41:33,432 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: [] 17.52/8.00 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.00 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.00 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:33,438 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.00 [2019-03-28 22:41:33,439 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.00 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.00 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.00 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:33,472 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.52/8.00 [2019-03-28 22:41:33,472 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.00 [2019-03-28 22:41:33,503 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.52/8.00 [2019-03-28 22:41:33,505 INFO L216 LassoAnalysis]: Preferences: 17.52/8.00 [2019-03-28 22:41:33,505 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.00 [2019-03-28 22:41:33,506 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.00 [2019-03-28 22:41:33,506 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.00 [2019-03-28 22:41:33,506 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.52/8.00 [2019-03-28 22:41:33,506 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.52/8.00 [2019-03-28 22:41:33,506 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.00 [2019-03-28 22:41:33,506 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.00 [2019-03-28 22:41:33,506 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.52/8.00 [2019-03-28 22:41:33,507 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.00 [2019-03-28 22:41:33,507 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.00 [2019-03-28 22:41:33,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.00 [2019-03-28 22:41:33,612 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.00 [2019-03-28 22:41:33,618 INFO L497 LassoAnalysis]: Using template 'affine'. 17.52/8.00 [2019-03-28 22:41:33,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.00 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.00 Number of strict supporting invariants: 0 17.52/8.00 Number of non-strict supporting invariants: 1 17.52/8.00 Consider only non-deceasing supporting invariants: true 17.52/8.00 Simplify termination arguments: true 17.52/8.00 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.00 [2019-03-28 22:41:33,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.00 [2019-03-28 22:41:33,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.00 [2019-03-28 22:41:33,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.00 [2019-03-28 22:41:33,622 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.00 [2019-03-28 22:41:33,627 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.52/8.00 [2019-03-28 22:41:33,627 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.52/8.00 [2019-03-28 22:41:33,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.52/8.00 [2019-03-28 22:41:33,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.00 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.00 Number of strict supporting invariants: 0 17.52/8.00 Number of non-strict supporting invariants: 1 17.52/8.00 Consider only non-deceasing supporting invariants: true 17.52/8.00 Simplify termination arguments: true 17.52/8.00 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.00 [2019-03-28 22:41:33,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.00 [2019-03-28 22:41:33,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.52/8.00 [2019-03-28 22:41:33,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.00 [2019-03-28 22:41:33,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.00 [2019-03-28 22:41:33,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.00 [2019-03-28 22:41:33,640 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.52/8.00 [2019-03-28 22:41:33,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.52/8.00 [2019-03-28 22:41:33,646 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.52/8.00 [2019-03-28 22:41:33,650 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.52/8.00 [2019-03-28 22:41:33,650 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.52/8.00 [2019-03-28 22:41:33,653 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.52/8.00 [2019-03-28 22:41:33,653 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.52/8.00 [2019-03-28 22:41:33,653 INFO L518 LassoAnalysis]: Proved termination. 17.52/8.00 [2019-03-28 22:41:33,654 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.52/8.00 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 17.52/8.00 Supporting invariants [] 17.52/8.00 [2019-03-28 22:41:33,655 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.52/8.00 [2019-03-28 22:41:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.00 [2019-03-28 22:41:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.00 [2019-03-28 22:41:33,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 17.52/8.00 [2019-03-28 22:41:33,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.00 [2019-03-28 22:41:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.00 [2019-03-28 22:41:33,716 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.52/8.00 [2019-03-28 22:41:33,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.00 [2019-03-28 22:41:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.52/8.00 [2019-03-28 22:41:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.00 [2019-03-28 22:41:33,812 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.52/8.00 [2019-03-28 22:41:33,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.00 [2019-03-28 22:41:33,823 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 17.52/8.00 [2019-03-28 22:41:33,828 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 17.52/8.00 [2019-03-28 22:41:33,830 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 17.52/8.00 [2019-03-28 22:41:33,886 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 14 states and 39 transitions. Complement of second has 6 states. 17.52/8.00 [2019-03-28 22:41:33,887 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 17.52/8.00 [2019-03-28 22:41:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.52/8.00 [2019-03-28 22:41:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. 17.52/8.00 [2019-03-28 22:41:33,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 1 letters. Loop has 4 letters. 17.52/8.00 [2019-03-28 22:41:33,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.00 [2019-03-28 22:41:33,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. 17.52/8.00 [2019-03-28 22:41:33,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.00 [2019-03-28 22:41:33,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 1 letters. Loop has 8 letters. 17.52/8.00 [2019-03-28 22:41:33,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.00 [2019-03-28 22:41:33,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 39 transitions. 17.52/8.00 [2019-03-28 22:41:33,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 17.52/8.00 [2019-03-28 22:41:33,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 35 transitions. 17.52/8.00 [2019-03-28 22:41:33,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 17.52/8.00 [2019-03-28 22:41:33,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 17.52/8.00 [2019-03-28 22:41:33,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 35 transitions. 17.52/8.00 [2019-03-28 22:41:33,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.52/8.00 [2019-03-28 22:41:33,910 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 35 transitions. 17.52/8.00 [2019-03-28 22:41:33,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 35 transitions. 17.52/8.00 [2019-03-28 22:41:33,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. 17.52/8.00 [2019-03-28 22:41:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 17.52/8.00 [2019-03-28 22:41:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 28 transitions. 17.52/8.00 [2019-03-28 22:41:33,940 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 28 transitions. 17.52/8.00 [2019-03-28 22:41:33,940 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 28 transitions. 17.52/8.00 [2019-03-28 22:41:33,940 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.52/8.00 [2019-03-28 22:41:33,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 28 transitions. 17.52/8.00 [2019-03-28 22:41:33,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 17.52/8.00 [2019-03-28 22:41:33,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.52/8.00 [2019-03-28 22:41:33,941 INFO L119 BuchiIsEmpty]: Starting construction of run 17.52/8.00 [2019-03-28 22:41:33,942 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.52/8.00 [2019-03-28 22:41:33,942 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.52/8.00 [2019-03-28 22:41:33,942 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY [46] ULTIMATE.startENTRY-->L23-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0] 76#L23-3 [56] L23-3-->L19-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 79#L19-2 17.52/8.00 [2019-03-28 22:41:33,942 INFO L796 eck$LassoCheckResult]: Loop: 79#L19-2 [64] L19-2-->L19-2: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 (- 1))) (<= 0 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0] 79#L19-2 17.52/8.00 [2019-03-28 22:41:33,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.00 [2019-03-28 22:41:33,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2443, now seen corresponding path program 1 times 17.52/8.00 [2019-03-28 22:41:33,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.00 [2019-03-28 22:41:33,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.00 [2019-03-28 22:41:33,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.00 [2019-03-28 22:41:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.00 [2019-03-28 22:41:33,951 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 1 times 17.52/8.00 [2019-03-28 22:41:33,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.00 [2019-03-28 22:41:33,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.00 [2019-03-28 22:41:33,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.00 [2019-03-28 22:41:33,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:33,957 INFO L82 PathProgramCache]: Analyzing trace with hash 75797, now seen corresponding path program 1 times 17.52/8.01 [2019-03-28 22:41:33,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:33,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:33,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:33,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:33,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:33,983 INFO L216 LassoAnalysis]: Preferences: 17.52/8.01 [2019-03-28 22:41:33,983 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.01 [2019-03-28 22:41:33,983 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.01 [2019-03-28 22:41:33,983 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.01 [2019-03-28 22:41:33,983 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.52/8.01 [2019-03-28 22:41:33,983 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:33,984 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.01 [2019-03-28 22:41:33,984 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.01 [2019-03-28 22:41:33,984 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.52/8.01 [2019-03-28 22:41:33,984 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.01 [2019-03-28 22:41:33,984 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.01 [2019-03-28 22:41:33,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:33,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,053 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.01 [2019-03-28 22:41:34,053 INFO L412 LassoAnalysis]: Checking for nontermination... 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,065 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,066 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 [2019-03-28 22:41:34,095 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.52/8.01 [2019-03-28 22:41:34,095 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: [] 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,104 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,105 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 [2019-03-28 22:41:34,132 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.52/8.01 [2019-03-28 22:41:34,133 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=1} Honda state: {ULTIMATE.start_main_#t~nondet3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,140 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,140 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 [2019-03-28 22:41:34,168 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.52/8.01 [2019-03-28 22:41:34,168 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: [] 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,174 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,175 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,209 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 [2019-03-28 22:41:34,241 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.52/8.01 [2019-03-28 22:41:34,243 INFO L216 LassoAnalysis]: Preferences: 17.52/8.01 [2019-03-28 22:41:34,254 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.01 [2019-03-28 22:41:34,254 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.01 [2019-03-28 22:41:34,254 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.01 [2019-03-28 22:41:34,254 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.52/8.01 [2019-03-28 22:41:34,254 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,254 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.01 [2019-03-28 22:41:34,255 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.01 [2019-03-28 22:41:34,255 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.52/8.01 [2019-03-28 22:41:34,255 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.01 [2019-03-28 22:41:34,255 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.01 [2019-03-28 22:41:34,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,320 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.01 [2019-03-28 22:41:34,320 INFO L497 LassoAnalysis]: Using template 'affine'. 17.52/8.01 [2019-03-28 22:41:34,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.01 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.01 Number of strict supporting invariants: 0 17.52/8.01 Number of non-strict supporting invariants: 1 17.52/8.01 Consider only non-deceasing supporting invariants: true 17.52/8.01 Simplify termination arguments: true 17.52/8.01 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.01 [2019-03-28 22:41:34,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.01 [2019-03-28 22:41:34,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.01 [2019-03-28 22:41:34,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.01 [2019-03-28 22:41:34,322 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.01 [2019-03-28 22:41:34,324 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.52/8.01 [2019-03-28 22:41:34,324 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.52/8.01 [2019-03-28 22:41:34,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.52/8.01 [2019-03-28 22:41:34,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.01 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.01 Number of strict supporting invariants: 0 17.52/8.01 Number of non-strict supporting invariants: 1 17.52/8.01 Consider only non-deceasing supporting invariants: true 17.52/8.01 Simplify termination arguments: true 17.52/8.01 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.01 [2019-03-28 22:41:34,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.01 [2019-03-28 22:41:34,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.52/8.01 [2019-03-28 22:41:34,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.01 [2019-03-28 22:41:34,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.01 [2019-03-28 22:41:34,332 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.01 [2019-03-28 22:41:34,333 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.52/8.01 [2019-03-28 22:41:34,333 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.52/8.01 [2019-03-28 22:41:34,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.52/8.01 [2019-03-28 22:41:34,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.01 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.01 Number of strict supporting invariants: 0 17.52/8.01 Number of non-strict supporting invariants: 1 17.52/8.01 Consider only non-deceasing supporting invariants: true 17.52/8.01 Simplify termination arguments: true 17.52/8.01 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.01 [2019-03-28 22:41:34,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.01 [2019-03-28 22:41:34,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.01 [2019-03-28 22:41:34,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.01 [2019-03-28 22:41:34,337 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.01 [2019-03-28 22:41:34,339 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.52/8.01 [2019-03-28 22:41:34,339 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.52/8.01 [2019-03-28 22:41:34,346 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.52/8.01 [2019-03-28 22:41:34,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.01 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.01 Number of strict supporting invariants: 0 17.52/8.01 Number of non-strict supporting invariants: 1 17.52/8.01 Consider only non-deceasing supporting invariants: true 17.52/8.01 Simplify termination arguments: true 17.52/8.01 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.01 [2019-03-28 22:41:34,347 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.01 [2019-03-28 22:41:34,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.52/8.01 [2019-03-28 22:41:34,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.01 [2019-03-28 22:41:34,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.01 [2019-03-28 22:41:34,348 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.01 [2019-03-28 22:41:34,349 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.52/8.01 [2019-03-28 22:41:34,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.52/8.01 [2019-03-28 22:41:34,354 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.52/8.01 [2019-03-28 22:41:34,358 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.52/8.01 [2019-03-28 22:41:34,358 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.52/8.01 [2019-03-28 22:41:34,358 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.52/8.01 [2019-03-28 22:41:34,358 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.52/8.01 [2019-03-28 22:41:34,359 INFO L518 LassoAnalysis]: Proved termination. 17.52/8.01 [2019-03-28 22:41:34,359 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.52/8.01 Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 17.52/8.01 Supporting invariants [] 17.52/8.01 [2019-03-28 22:41:34,359 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.52/8.01 [2019-03-28 22:41:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.01 [2019-03-28 22:41:34,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 17.52/8.01 [2019-03-28 22:41:34,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.01 [2019-03-28 22:41:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.01 [2019-03-28 22:41:34,396 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.52/8.01 [2019-03-28 22:41:34,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.01 [2019-03-28 22:41:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.52/8.01 [2019-03-28 22:41:34,397 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.52/8.01 [2019-03-28 22:41:34,397 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 17.52/8.01 [2019-03-28 22:41:34,397 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 28 transitions. cyclomatic complexity: 21 Second operand 2 states. 17.52/8.01 [2019-03-28 22:41:34,449 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 28 transitions. cyclomatic complexity: 21. Second operand 2 states. Result 21 states and 49 transitions. Complement of second has 6 states. 17.52/8.01 [2019-03-28 22:41:34,450 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 17.52/8.01 [2019-03-28 22:41:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.52/8.01 [2019-03-28 22:41:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. 17.52/8.01 [2019-03-28 22:41:34,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 2 letters. Loop has 1 letters. 17.52/8.01 [2019-03-28 22:41:34,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:34,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 3 letters. Loop has 1 letters. 17.52/8.01 [2019-03-28 22:41:34,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:34,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. 17.52/8.01 [2019-03-28 22:41:34,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:34,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 49 transitions. 17.52/8.01 [2019-03-28 22:41:34,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.52/8.01 [2019-03-28 22:41:34,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 17.52/8.01 [2019-03-28 22:41:34,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 17.52/8.01 [2019-03-28 22:41:34,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.52/8.01 [2019-03-28 22:41:34,458 INFO L706 BuchiCegarLoop]: Abstraction has 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. 17.52/8.01 [2019-03-28 22:41:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 17.52/8.01 [2019-03-28 22:41:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,460 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,461 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,461 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.52/8.01 [2019-03-28 22:41:34,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 33 transitions. 17.52/8.01 [2019-03-28 22:41:34,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.52/8.01 [2019-03-28 22:41:34,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.52/8.01 [2019-03-28 22:41:34,463 INFO L119 BuchiIsEmpty]: Starting construction of run 17.52/8.01 [2019-03-28 22:41:34,463 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 17.52/8.01 [2019-03-28 22:41:34,463 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.52/8.01 [2019-03-28 22:41:34,464 INFO L794 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY [46] ULTIMATE.startENTRY-->L23-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0] 136#L23-3 [56] L23-3-->L19-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 140#L19-2 [63] L19-2-->L19-3: Formula: (> 0 v_ULTIMATE.start_main_~y~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 139#L19-3 [48] L19-3-->L23-2: Formula: (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 142#L23-2 [69] L23-2-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 (+ v_ULTIMATE.start_main_~y~0_2 1)) (> 0 |v_ULTIMATE.start_main_#t~nondet4_2|) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0] 132#L23-2 17.52/8.01 [2019-03-28 22:41:34,464 INFO L796 eck$LassoCheckResult]: Loop: 132#L23-2 [68] L23-2-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 (+ v_ULTIMATE.start_main_~y~0_2 1)) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1) (< 0 |v_ULTIMATE.start_main_#t~nondet4_2|)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0] 132#L23-2 17.52/8.01 [2019-03-28 22:41:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:34,464 INFO L82 PathProgramCache]: Analyzing trace with hash 72841513, now seen corresponding path program 1 times 17.52/8.01 [2019-03-28 22:41:34,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:34,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:34,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:34,479 INFO L82 PathProgramCache]: Analyzing trace with hash 99, now seen corresponding path program 1 times 17.52/8.01 [2019-03-28 22:41:34,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:34,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:34,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:34,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:34,486 INFO L82 PathProgramCache]: Analyzing trace with hash -2036880325, now seen corresponding path program 1 times 17.52/8.01 [2019-03-28 22:41:34,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:34,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:34,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:34,526 INFO L216 LassoAnalysis]: Preferences: 17.52/8.01 [2019-03-28 22:41:34,526 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.01 [2019-03-28 22:41:34,526 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.01 [2019-03-28 22:41:34,527 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.01 [2019-03-28 22:41:34,527 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.52/8.01 [2019-03-28 22:41:34,527 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,527 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.01 [2019-03-28 22:41:34,527 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.01 [2019-03-28 22:41:34,527 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.52/8.01 [2019-03-28 22:41:34,527 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.01 [2019-03-28 22:41:34,527 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.01 [2019-03-28 22:41:34,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,609 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.01 [2019-03-28 22:41:34,609 INFO L412 LassoAnalysis]: Checking for nontermination... 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,615 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,615 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,655 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:34,655 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 [2019-03-28 22:41:34,892 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.52/8.01 [2019-03-28 22:41:34,895 INFO L216 LassoAnalysis]: Preferences: 17.52/8.01 [2019-03-28 22:41:34,895 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.01 [2019-03-28 22:41:34,895 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.01 [2019-03-28 22:41:34,895 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.01 [2019-03-28 22:41:34,895 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.52/8.01 [2019-03-28 22:41:34,895 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:34,895 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.01 [2019-03-28 22:41:34,895 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.01 [2019-03-28 22:41:34,896 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.52/8.01 [2019-03-28 22:41:34,896 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.01 [2019-03-28 22:41:34,896 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.01 [2019-03-28 22:41:34,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:34,964 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.01 [2019-03-28 22:41:34,964 INFO L497 LassoAnalysis]: Using template 'affine'. 17.52/8.01 [2019-03-28 22:41:34,965 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.01 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.01 Number of strict supporting invariants: 0 17.52/8.01 Number of non-strict supporting invariants: 1 17.52/8.01 Consider only non-deceasing supporting invariants: true 17.52/8.01 Simplify termination arguments: true 17.52/8.01 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.01 [2019-03-28 22:41:34,965 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.01 [2019-03-28 22:41:34,965 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.52/8.01 [2019-03-28 22:41:34,966 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.01 [2019-03-28 22:41:34,966 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.01 [2019-03-28 22:41:34,966 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.01 [2019-03-28 22:41:34,967 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.52/8.01 [2019-03-28 22:41:34,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.52/8.01 [2019-03-28 22:41:34,972 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.52/8.01 [2019-03-28 22:41:34,976 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.52/8.01 [2019-03-28 22:41:34,976 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 17.52/8.01 [2019-03-28 22:41:34,976 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.52/8.01 [2019-03-28 22:41:34,977 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.52/8.01 [2019-03-28 22:41:34,977 INFO L518 LassoAnalysis]: Proved termination. 17.52/8.01 [2019-03-28 22:41:34,977 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.52/8.01 Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~y~0 + 1 17.52/8.01 Supporting invariants [] 17.52/8.01 [2019-03-28 22:41:34,977 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.52/8.01 [2019-03-28 22:41:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.01 [2019-03-28 22:41:35,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 17.52/8.01 [2019-03-28 22:41:35,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.01 [2019-03-28 22:41:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.01 [2019-03-28 22:41:35,006 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.52/8.01 [2019-03-28 22:41:35,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.01 [2019-03-28 22:41:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.52/8.01 [2019-03-28 22:41:35,007 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.52/8.01 [2019-03-28 22:41:35,007 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 17.52/8.01 [2019-03-28 22:41:35,007 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 14 states and 33 transitions. cyclomatic complexity: 21 Second operand 2 states. 17.52/8.01 [2019-03-28 22:41:35,051 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 14 states and 33 transitions. cyclomatic complexity: 21. Second operand 2 states. Result 37 states and 85 transitions. Complement of second has 4 states. 17.52/8.01 [2019-03-28 22:41:35,051 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 17.52/8.01 [2019-03-28 22:41:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.52/8.01 [2019-03-28 22:41:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. 17.52/8.01 [2019-03-28 22:41:35,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 1 letters. 17.52/8.01 [2019-03-28 22:41:35,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:35,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 6 letters. Loop has 1 letters. 17.52/8.01 [2019-03-28 22:41:35,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:35,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. 17.52/8.01 [2019-03-28 22:41:35,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:35,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 85 transitions. 17.52/8.01 [2019-03-28 22:41:35,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.52/8.01 [2019-03-28 22:41:35,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 27 states and 61 transitions. 17.52/8.01 [2019-03-28 22:41:35,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 17.52/8.01 [2019-03-28 22:41:35,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 17.52/8.01 [2019-03-28 22:41:35,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 61 transitions. 17.52/8.01 [2019-03-28 22:41:35,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.52/8.01 [2019-03-28 22:41:35,060 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 61 transitions. 17.52/8.01 [2019-03-28 22:41:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 61 transitions. 17.52/8.01 [2019-03-28 22:41:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. 17.52/8.01 [2019-03-28 22:41:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. 17.52/8.01 [2019-03-28 22:41:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 45 transitions. 17.52/8.01 [2019-03-28 22:41:35,063 INFO L729 BuchiCegarLoop]: Abstraction has 19 states and 45 transitions. 17.52/8.01 [2019-03-28 22:41:35,063 INFO L609 BuchiCegarLoop]: Abstraction has 19 states and 45 transitions. 17.52/8.01 [2019-03-28 22:41:35,063 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.52/8.01 [2019-03-28 22:41:35,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 45 transitions. 17.52/8.01 [2019-03-28 22:41:35,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.52/8.01 [2019-03-28 22:41:35,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.52/8.01 [2019-03-28 22:41:35,064 INFO L119 BuchiIsEmpty]: Starting construction of run 17.52/8.01 [2019-03-28 22:41:35,065 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 17.52/8.01 [2019-03-28 22:41:35,065 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.52/8.01 [2019-03-28 22:41:35,065 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY [46] ULTIMATE.startENTRY-->L23-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0] 225#L23-3 [56] L23-3-->L19-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 228#L19-2 [63] L19-2-->L19-3: Formula: (> 0 v_ULTIMATE.start_main_~y~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 234#L19-3 [48] L19-3-->L23-2: Formula: (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 230#L23-2 [68] L23-2-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 (+ v_ULTIMATE.start_main_~y~0_2 1)) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1) (< 0 |v_ULTIMATE.start_main_#t~nondet4_2|)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0] 220#L23-2 17.52/8.01 [2019-03-28 22:41:35,065 INFO L796 eck$LassoCheckResult]: Loop: 220#L23-2 [68] L23-2-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 (+ v_ULTIMATE.start_main_~y~0_2 1)) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1) (< 0 |v_ULTIMATE.start_main_#t~nondet4_2|)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~y~0] 220#L23-2 17.52/8.01 [2019-03-28 22:41:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:35,066 INFO L82 PathProgramCache]: Analyzing trace with hash 72841512, now seen corresponding path program 1 times 17.52/8.01 [2019-03-28 22:41:35,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:35,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:35,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:35,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:35,077 INFO L82 PathProgramCache]: Analyzing trace with hash 99, now seen corresponding path program 2 times 17.52/8.01 [2019-03-28 22:41:35,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:35,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:35,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:35,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:35,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2036880356, now seen corresponding path program 2 times 17.52/8.01 [2019-03-28 22:41:35,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.52/8.01 [2019-03-28 22:41:35,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.52/8.01 [2019-03-28 22:41:35,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,084 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.52/8.01 [2019-03-28 22:41:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.52/8.01 [2019-03-28 22:41:35,109 INFO L216 LassoAnalysis]: Preferences: 17.52/8.01 [2019-03-28 22:41:35,109 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.01 [2019-03-28 22:41:35,109 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.01 [2019-03-28 22:41:35,109 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.01 [2019-03-28 22:41:35,109 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.52/8.01 [2019-03-28 22:41:35,110 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:35,110 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.01 [2019-03-28 22:41:35,110 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.01 [2019-03-28 22:41:35,110 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 17.52/8.01 [2019-03-28 22:41:35,110 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.01 [2019-03-28 22:41:35,110 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.01 [2019-03-28 22:41:35,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,171 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.01 [2019-03-28 22:41:35,172 INFO L412 LassoAnalysis]: Checking for nontermination... 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:35,176 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:35,177 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.52/8.01 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.52/8.01 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:35,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.52/8.01 [2019-03-28 22:41:35,209 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.52/8.01 [2019-03-28 22:41:35,426 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.52/8.01 [2019-03-28 22:41:35,429 INFO L216 LassoAnalysis]: Preferences: 17.52/8.01 [2019-03-28 22:41:35,429 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.52/8.01 [2019-03-28 22:41:35,429 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.52/8.01 [2019-03-28 22:41:35,429 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.52/8.01 [2019-03-28 22:41:35,429 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.52/8.01 [2019-03-28 22:41:35,429 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.52/8.01 [2019-03-28 22:41:35,429 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.52/8.01 [2019-03-28 22:41:35,429 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.52/8.01 [2019-03-28 22:41:35,430 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 17.52/8.01 [2019-03-28 22:41:35,430 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.52/8.01 [2019-03-28 22:41:35,430 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.52/8.01 [2019-03-28 22:41:35,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.52/8.01 [2019-03-28 22:41:35,498 INFO L300 LassoAnalysis]: Preprocessing complete. 17.52/8.01 [2019-03-28 22:41:35,498 INFO L497 LassoAnalysis]: Using template 'affine'. 17.52/8.01 [2019-03-28 22:41:35,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.52/8.01 Termination analysis: LINEAR_WITH_GUESSES 17.52/8.01 Number of strict supporting invariants: 0 17.52/8.01 Number of non-strict supporting invariants: 1 17.52/8.01 Consider only non-deceasing supporting invariants: true 17.52/8.01 Simplify termination arguments: true 17.52/8.01 Simplify supporting invariants: trueOverapproximate stem: false 17.52/8.01 [2019-03-28 22:41:35,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.52/8.01 [2019-03-28 22:41:35,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.52/8.01 [2019-03-28 22:41:35,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.52/8.01 [2019-03-28 22:41:35,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.52/8.01 [2019-03-28 22:41:35,500 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.52/8.01 [2019-03-28 22:41:35,501 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.52/8.01 [2019-03-28 22:41:35,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.52/8.01 [2019-03-28 22:41:35,505 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.52/8.01 [2019-03-28 22:41:35,508 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.52/8.01 [2019-03-28 22:41:35,508 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 17.52/8.01 [2019-03-28 22:41:35,509 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.52/8.01 [2019-03-28 22:41:35,509 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.52/8.01 [2019-03-28 22:41:35,509 INFO L518 LassoAnalysis]: Proved termination. 17.52/8.01 [2019-03-28 22:41:35,509 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.52/8.01 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~n~0 + 1 17.52/8.01 Supporting invariants [] 17.52/8.01 [2019-03-28 22:41:35,510 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.52/8.01 [2019-03-28 22:41:35,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.52/8.01 [2019-03-28 22:41:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.01 [2019-03-28 22:41:35,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 17.52/8.01 [2019-03-28 22:41:35,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.01 [2019-03-28 22:41:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.52/8.01 [2019-03-28 22:41:35,532 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.52/8.01 [2019-03-28 22:41:35,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.52/8.01 [2019-03-28 22:41:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.52/8.01 [2019-03-28 22:41:35,533 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.52/8.01 [2019-03-28 22:41:35,534 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 17.52/8.01 [2019-03-28 22:41:35,534 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 19 states and 45 transitions. cyclomatic complexity: 28 Second operand 2 states. 17.52/8.01 [2019-03-28 22:41:35,571 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 19 states and 45 transitions. cyclomatic complexity: 28. Second operand 2 states. Result 48 states and 112 transitions. Complement of second has 4 states. 17.52/8.01 [2019-03-28 22:41:35,574 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 17.52/8.01 [2019-03-28 22:41:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.52/8.01 [2019-03-28 22:41:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. 17.52/8.01 [2019-03-28 22:41:35,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 1 letters. 17.52/8.01 [2019-03-28 22:41:35,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:35,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 6 letters. Loop has 1 letters. 17.52/8.01 [2019-03-28 22:41:35,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:35,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. 17.52/8.01 [2019-03-28 22:41:35,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.52/8.01 [2019-03-28 22:41:35,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 112 transitions. 17.52/8.01 [2019-03-28 22:41:35,579 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.52/8.01 [2019-03-28 22:41:35,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. 17.52/8.01 [2019-03-28 22:41:35,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.52/8.01 [2019-03-28 22:41:35,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.52/8.01 [2019-03-28 22:41:35,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.52/8.01 [2019-03-28 22:41:35,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.52/8.01 [2019-03-28 22:41:35,580 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.52/8.01 [2019-03-28 22:41:35,580 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.52/8.01 [2019-03-28 22:41:35,580 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.52/8.01 [2019-03-28 22:41:35,580 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 17.52/8.01 [2019-03-28 22:41:35,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.52/8.01 [2019-03-28 22:41:35,580 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.52/8.01 [2019-03-28 22:41:35,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.52/8.01 [2019-03-28 22:41:35,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:41:35 BasicIcfg 17.52/8.01 [2019-03-28 22:41:35,587 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.52/8.01 [2019-03-28 22:41:35,587 INFO L168 Benchmark]: Toolchain (without parser) took 3442.26 ms. Allocated memory was 649.6 MB in the beginning and 750.3 MB in the end (delta: 100.7 MB). Free memory was 557.1 MB in the beginning and 686.2 MB in the end (delta: -129.1 MB). There was no memory consumed. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,589 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.51 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 557.1 MB in the beginning and 641.0 MB in the end (delta: -83.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 673.2 MB. Free memory was 641.0 MB in the beginning and 639.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,591 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 ms. Allocated memory is still 673.2 MB. Free memory was 639.9 MB in the beginning and 637.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,591 INFO L168 Benchmark]: RCFGBuilder took 223.96 ms. Allocated memory is still 673.2 MB. Free memory was 636.0 MB in the beginning and 622.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,592 INFO L168 Benchmark]: BlockEncodingV2 took 82.51 ms. Allocated memory is still 673.2 MB. Free memory was 622.8 MB in the beginning and 616.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,592 INFO L168 Benchmark]: TraceAbstraction took 160.86 ms. Allocated memory is still 673.2 MB. Free memory was 616.4 MB in the beginning and 606.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,593 INFO L168 Benchmark]: BuchiAutomizer took 2613.22 ms. Allocated memory was 673.2 MB in the beginning and 750.3 MB in the end (delta: 77.1 MB). Free memory was 606.7 MB in the beginning and 686.2 MB in the end (delta: -79.5 MB). There was no memory consumed. Max. memory is 50.3 GB. 17.52/8.01 [2019-03-28 22:41:35,597 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.52/8.01 --- Results --- 17.52/8.01 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.52/8.01 - StatisticsResult: Initial Icfg 17.52/8.01 9 locations, 14 edges 17.52/8.01 - StatisticsResult: Encoded RCFG 17.52/8.01 5 locations, 11 edges 17.52/8.01 * Results from de.uni_freiburg.informatik.ultimate.core: 17.52/8.01 - StatisticsResult: Toolchain Benchmarks 17.52/8.01 Benchmark results are: 17.52/8.01 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.52/8.01 * CACSL2BoogieTranslator took 296.51 ms. Allocated memory was 649.6 MB in the beginning and 673.2 MB in the end (delta: 23.6 MB). Free memory was 557.1 MB in the beginning and 641.0 MB in the end (delta: -83.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 17.52/8.01 * Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 673.2 MB. Free memory was 641.0 MB in the beginning and 639.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.52/8.01 * Boogie Preprocessor took 22.23 ms. Allocated memory is still 673.2 MB. Free memory was 639.9 MB in the beginning and 637.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 17.52/8.01 * RCFGBuilder took 223.96 ms. Allocated memory is still 673.2 MB. Free memory was 636.0 MB in the beginning and 622.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. 17.52/8.01 * BlockEncodingV2 took 82.51 ms. Allocated memory is still 673.2 MB. Free memory was 622.8 MB in the beginning and 616.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 17.52/8.01 * TraceAbstraction took 160.86 ms. Allocated memory is still 673.2 MB. Free memory was 616.4 MB in the beginning and 606.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 17.52/8.01 * BuchiAutomizer took 2613.22 ms. Allocated memory was 673.2 MB in the beginning and 750.3 MB in the end (delta: 77.1 MB). Free memory was 606.7 MB in the beginning and 686.2 MB in the end (delta: -79.5 MB). There was no memory consumed. Max. memory is 50.3 GB. 17.52/8.01 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.52/8.01 - AllSpecificationsHoldResult: All specifications hold 17.52/8.01 We were not able to verify any specifiation because the program does not contain any specification. 17.52/8.01 - InvariantResult [Line: 23]: Loop Invariant 17.52/8.01 Derived loop invariant: 1 17.52/8.01 - InvariantResult [Line: 19]: Loop Invariant 17.52/8.01 Derived loop invariant: 1 17.52/8.01 - InvariantResult [Line: 18]: Loop Invariant 17.52/8.01 Derived loop invariant: 1 17.52/8.01 - StatisticsResult: Ultimate Automizer benchmark data 17.52/8.01 CFG has 1 procedures, 5 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=5occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.52/8.01 - StatisticsResult: Constructed decomposition of program 17.52/8.01 Your program was decomposed into 4 terminating modules (0 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * n + -2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * y + 2 * n + 1 and consists of 3 locations. 17.52/8.01 - StatisticsResult: Timing statistics 17.52/8.01 BüchiAutomizer plugin needed 2.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 75 SDslu, 24 SDs, 0 SdLazy, 105 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax187 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s 17.52/8.01 - TerminationAnalysisResult: Termination proven 17.52/8.01 Buchi Automizer proved that your program is terminating 17.52/8.01 RESULT: Ultimate proved your program to be correct! 17.52/8.01 !SESSION 2019-03-28 22:41:28.737 ----------------------------------------------- 17.52/8.01 eclipse.buildId=unknown 17.52/8.01 java.version=1.8.0_181 17.52/8.01 java.vendor=Oracle Corporation 17.52/8.01 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.52/8.01 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.52/8.01 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.52/8.01 17.52/8.01 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:41:35.830 17.52/8.01 !MESSAGE The workspace will exit with unsaved changes in this session. 17.52/8.01 Received shutdown request... 17.52/8.01 Ultimate: 17.52/8.01 GTK+ Version Check 17.52/8.01 EOF