17.43/9.88 YES 17.43/9.88 17.43/9.88 Ultimate: Cannot open display: 17.43/9.88 This is Ultimate 0.1.24-8dc7c08-m 17.43/9.88 [2019-03-28 11:52:33,390 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.43/9.88 [2019-03-28 11:52:33,392 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.43/9.88 [2019-03-28 11:52:33,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.43/9.88 [2019-03-28 11:52:33,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.43/9.88 [2019-03-28 11:52:33,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.43/9.88 [2019-03-28 11:52:33,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.43/9.88 [2019-03-28 11:52:33,410 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.43/9.88 [2019-03-28 11:52:33,411 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.43/9.88 [2019-03-28 11:52:33,411 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.43/9.88 [2019-03-28 11:52:33,412 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.43/9.88 [2019-03-28 11:52:33,413 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.43/9.88 [2019-03-28 11:52:33,414 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.43/9.88 [2019-03-28 11:52:33,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.43/9.88 [2019-03-28 11:52:33,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.43/9.88 [2019-03-28 11:52:33,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.43/9.88 [2019-03-28 11:52:33,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.43/9.88 [2019-03-28 11:52:33,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.43/9.88 [2019-03-28 11:52:33,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.43/9.88 [2019-03-28 11:52:33,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.43/9.88 [2019-03-28 11:52:33,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.43/9.88 [2019-03-28 11:52:33,426 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.43/9.88 [2019-03-28 11:52:33,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.43/9.88 [2019-03-28 11:52:33,428 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.43/9.88 [2019-03-28 11:52:33,428 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.43/9.88 [2019-03-28 11:52:33,429 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.43/9.88 [2019-03-28 11:52:33,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.43/9.88 [2019-03-28 11:52:33,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.43/9.88 [2019-03-28 11:52:33,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.43/9.88 [2019-03-28 11:52:33,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.43/9.88 [2019-03-28 11:52:33,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.43/9.88 [2019-03-28 11:52:33,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.43/9.88 [2019-03-28 11:52:33,434 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.43/9.88 [2019-03-28 11:52:33,448 INFO L110 SettingsManager]: Loading preferences was successful 17.43/9.88 [2019-03-28 11:52:33,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.43/9.88 [2019-03-28 11:52:33,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.43/9.88 [2019-03-28 11:52:33,450 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.43/9.88 [2019-03-28 11:52:33,450 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.50/9.88 [2019-03-28 11:52:33,450 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.50/9.88 [2019-03-28 11:52:33,450 INFO L133 SettingsManager]: * Use SBE=true 17.50/9.88 [2019-03-28 11:52:33,450 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Use old map elimination=false 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.50/9.88 [2019-03-28 11:52:33,451 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:33,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.50/9.88 [2019-03-28 11:52:33,452 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.50/9.88 [2019-03-28 11:52:33,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.50/9.88 [2019-03-28 11:52:33,452 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.50/9.88 [2019-03-28 11:52:33,452 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.50/9.88 [2019-03-28 11:52:33,453 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.50/9.88 [2019-03-28 11:52:33,453 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.50/9.88 [2019-03-28 11:52:33,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.50/9.88 [2019-03-28 11:52:33,453 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.50/9.88 [2019-03-28 11:52:33,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.50/9.88 [2019-03-28 11:52:33,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.50/9.88 [2019-03-28 11:52:33,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.50/9.88 [2019-03-28 11:52:33,454 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.50/9.88 [2019-03-28 11:52:33,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.50/9.88 [2019-03-28 11:52:33,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.50/9.88 [2019-03-28 11:52:33,503 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.50/9.88 [2019-03-28 11:52:33,506 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.50/9.88 [2019-03-28 11:52:33,508 INFO L271 PluginConnector]: Initializing CDTParser... 17.50/9.88 [2019-03-28 11:52:33,508 INFO L276 PluginConnector]: CDTParser initialized 17.50/9.88 [2019-03-28 11:52:33,509 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.50/9.88 [2019-03-28 11:52:33,575 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/c2bb2de8e5d0456591fa7710bc98beff/FLAG25eaef6ba 17.50/9.88 [2019-03-28 11:52:34,107 INFO L307 CDTParser]: Found 1 translation units. 17.50/9.88 [2019-03-28 11:52:34,108 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.50/9.88 [2019-03-28 11:52:34,114 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/c2bb2de8e5d0456591fa7710bc98beff/FLAG25eaef6ba 17.50/9.88 [2019-03-28 11:52:34,510 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/c2bb2de8e5d0456591fa7710bc98beff 17.50/9.88 [2019-03-28 11:52:34,522 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.50/9.88 [2019-03-28 11:52:34,523 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.50/9.88 [2019-03-28 11:52:34,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.50/9.88 [2019-03-28 11:52:34,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.50/9.88 [2019-03-28 11:52:34,528 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.50/9.88 [2019-03-28 11:52:34,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d06abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:34,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.50/9.88 [2019-03-28 11:52:34,558 INFO L176 MainTranslator]: Built tables and reachable declarations 17.50/9.88 [2019-03-28 11:52:34,719 INFO L206 PostProcessor]: Analyzing one entry point: main 17.50/9.88 [2019-03-28 11:52:34,724 INFO L191 MainTranslator]: Completed pre-run 17.50/9.88 [2019-03-28 11:52:34,741 INFO L206 PostProcessor]: Analyzing one entry point: main 17.50/9.88 [2019-03-28 11:52:34,757 INFO L195 MainTranslator]: Completed translation 17.50/9.88 [2019-03-28 11:52:34,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34 WrapperNode 17.50/9.88 [2019-03-28 11:52:34,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.50/9.88 [2019-03-28 11:52:34,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.50/9.88 [2019-03-28 11:52:34,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.50/9.88 [2019-03-28 11:52:34,759 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.50/9.88 [2019-03-28 11:52:34,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.50/9.88 [2019-03-28 11:52:34,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.50/9.88 [2019-03-28 11:52:34,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.50/9.88 [2019-03-28 11:52:34,861 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.50/9.88 [2019-03-28 11:52:34,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 [2019-03-28 11:52:34,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.50/9.88 [2019-03-28 11:52:34,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.50/9.88 [2019-03-28 11:52:34,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.50/9.88 [2019-03-28 11:52:34,883 INFO L276 PluginConnector]: RCFGBuilder initialized 17.50/9.88 [2019-03-28 11:52:34,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (1/1) ... 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.50/9.88 [2019-03-28 11:52:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.50/9.88 [2019-03-28 11:52:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.50/9.88 [2019-03-28 11:52:35,116 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.50/9.88 [2019-03-28 11:52:35,117 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 17.50/9.88 [2019-03-28 11:52:35,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:35 BoogieIcfgContainer 17.50/9.88 [2019-03-28 11:52:35,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.50/9.88 [2019-03-28 11:52:35,119 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.50/9.88 [2019-03-28 11:52:35,119 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.50/9.88 [2019-03-28 11:52:35,121 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.50/9.88 [2019-03-28 11:52:35,122 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:35" (1/1) ... 17.50/9.88 [2019-03-28 11:52:35,139 INFO L313 BlockEncoder]: Initial Icfg 11 locations, 16 edges 17.50/9.88 [2019-03-28 11:52:35,141 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.50/9.88 [2019-03-28 11:52:35,142 INFO L263 BlockEncoder]: Using Maximize final states 17.50/9.88 [2019-03-28 11:52:35,143 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.50/9.88 [2019-03-28 11:52:35,143 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.50/9.88 [2019-03-28 11:52:35,145 INFO L296 BlockEncoder]: Using Remove sink states 17.50/9.88 [2019-03-28 11:52:35,146 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.50/9.88 [2019-03-28 11:52:35,146 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.50/9.88 [2019-03-28 11:52:35,163 INFO L185 BlockEncoder]: Using Use SBE 17.50/9.88 [2019-03-28 11:52:35,171 INFO L200 BlockEncoder]: SBE split 0 edges 17.50/9.88 [2019-03-28 11:52:35,176 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 17.50/9.88 [2019-03-28 11:52:35,178 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.50/9.88 [2019-03-28 11:52:35,193 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 17.50/9.88 [2019-03-28 11:52:35,196 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.50/9.88 [2019-03-28 11:52:35,197 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.50/9.88 [2019-03-28 11:52:35,197 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.50/9.88 [2019-03-28 11:52:35,197 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.50/9.88 [2019-03-28 11:52:35,198 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.50/9.88 [2019-03-28 11:52:35,198 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 17.50/9.88 [2019-03-28 11:52:35,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:52:35 BasicIcfg 17.50/9.88 [2019-03-28 11:52:35,199 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.50/9.88 [2019-03-28 11:52:35,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.50/9.88 [2019-03-28 11:52:35,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.50/9.88 [2019-03-28 11:52:35,203 INFO L276 PluginConnector]: TraceAbstraction initialized 17.50/9.88 [2019-03-28 11:52:35,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:52:34" (1/4) ... 17.50/9.88 [2019-03-28 11:52:35,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d7a424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (2/4) ... 17.50/9.88 [2019-03-28 11:52:35,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d7a424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:35" (3/4) ... 17.50/9.88 [2019-03-28 11:52:35,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d7a424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:52:35" (4/4) ... 17.50/9.88 [2019-03-28 11:52:35,207 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.50/9.88 [2019-03-28 11:52:35,216 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.50/9.88 [2019-03-28 11:52:35,223 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.50/9.88 [2019-03-28 11:52:35,241 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.50/9.88 [2019-03-28 11:52:35,273 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.50/9.88 [2019-03-28 11:52:35,274 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.50/9.88 [2019-03-28 11:52:35,274 INFO L383 AbstractCegarLoop]: Hoare is true 17.50/9.88 [2019-03-28 11:52:35,274 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.50/9.88 [2019-03-28 11:52:35,274 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.50/9.88 [2019-03-28 11:52:35,274 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.50/9.88 [2019-03-28 11:52:35,275 INFO L387 AbstractCegarLoop]: Difference is false 17.50/9.88 [2019-03-28 11:52:35,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.50/9.88 [2019-03-28 11:52:35,275 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.50/9.88 [2019-03-28 11:52:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 17.50/9.88 [2019-03-28 11:52:35,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.50/9.88 [2019-03-28 11:52:35,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 17.50/9.88 [2019-03-28 11:52:35,349 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 12 27) no Hoare annotation was computed. 17.50/9.88 [2019-03-28 11:52:35,349 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. 17.50/9.88 [2019-03-28 11:52:35,350 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.50/9.88 [2019-03-28 11:52:35,350 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 12 27) no Hoare annotation was computed. 17.50/9.88 [2019-03-28 11:52:35,350 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 20 21) the Hoare annotation is: true 17.50/9.88 [2019-03-28 11:52:35,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:52:35 BasicIcfg 17.50/9.88 [2019-03-28 11:52:35,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.50/9.88 [2019-03-28 11:52:35,359 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.50/9.88 [2019-03-28 11:52:35,359 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.50/9.88 [2019-03-28 11:52:35,362 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.50/9.88 [2019-03-28 11:52:35,363 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.50/9.88 [2019-03-28 11:52:35,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:52:34" (1/5) ... 17.50/9.88 [2019-03-28 11:52:35,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cc5c7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,364 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.50/9.88 [2019-03-28 11:52:35,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:52:34" (2/5) ... 17.50/9.88 [2019-03-28 11:52:35,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cc5c7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,365 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.50/9.88 [2019-03-28 11:52:35,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:52:35" (3/5) ... 17.50/9.88 [2019-03-28 11:52:35,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cc5c7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,365 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.50/9.88 [2019-03-28 11:52:35,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:52:35" (4/5) ... 17.50/9.88 [2019-03-28 11:52:35,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cc5c7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:52:35, skipping insertion in model container 17.50/9.88 [2019-03-28 11:52:35,366 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.50/9.88 [2019-03-28 11:52:35,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:52:35" (5/5) ... 17.50/9.88 [2019-03-28 11:52:35,368 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.50/9.88 [2019-03-28 11:52:35,395 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.50/9.88 [2019-03-28 11:52:35,395 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.50/9.88 [2019-03-28 11:52:35,395 INFO L375 BuchiCegarLoop]: Hoare is true 17.50/9.88 [2019-03-28 11:52:35,395 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.50/9.88 [2019-03-28 11:52:35,396 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.50/9.88 [2019-03-28 11:52:35,396 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.50/9.88 [2019-03-28 11:52:35,396 INFO L379 BuchiCegarLoop]: Difference is false 17.50/9.88 [2019-03-28 11:52:35,396 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.50/9.88 [2019-03-28 11:52:35,396 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.50/9.88 [2019-03-28 11:52:35,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 17.50/9.88 [2019-03-28 11:52:35,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.50/9.88 [2019-03-28 11:52:35,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.50/9.88 [2019-03-28 11:52:35,420 INFO L119 BuchiIsEmpty]: Starting construction of run 17.50/9.88 [2019-03-28 11:52:35,426 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.50/9.88 [2019-03-28 11:52:35,426 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.50/9.88 [2019-03-28 11:52:35,426 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.50/9.88 [2019-03-28 11:52:35,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 17.50/9.88 [2019-03-28 11:52:35,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.50/9.88 [2019-03-28 11:52:35,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.50/9.88 [2019-03-28 11:52:35,427 INFO L119 BuchiIsEmpty]: Starting construction of run 17.50/9.88 [2019-03-28 11:52:35,427 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.50/9.88 [2019-03-28 11:52:35,428 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.50/9.88 [2019-03-28 11:52:35,433 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_gcd_~x_1 |v_ULTIMATE.start_gcd_#in~x_1|) (= |v_ULTIMATE.start_gcd_#in~x_1| v_ULTIMATE.start_main_~x~0_1) (= |v_ULTIMATE.start_gcd_#in~y_1| v_ULTIMATE.start_main_~y~0_1) (= v_ULTIMATE.start_gcd_~y_1 |v_ULTIMATE.start_gcd_#in~y_1|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_gcd_#res=|v_ULTIMATE.start_gcd_#res_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_gcd_#in~y=|v_ULTIMATE.start_gcd_#in~y_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_gcd_#in~x=|v_ULTIMATE.start_gcd_#in~x_1|, ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_1, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_gcd_~r~0, ULTIMATE.start_gcd_#res, ULTIMATE.start_main_#res, ULTIMATE.start_gcd_#in~y, ULTIMATE.start_main_~y~0, ULTIMATE.start_gcd_#in~x, ULTIMATE.start_gcd_~x, ULTIMATE.start_gcd_~y, ULTIMATE.start_main_~x~0] 3#L15true [60] L15-->L15-2: Formula: (>= v_ULTIMATE.start_gcd_~x_6 0) InVars {ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_6} OutVars{ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_6} AuxVars[] AssignedVars[] 7#L15-2true [61] L15-2-->L17-1: Formula: (>= v_ULTIMATE.start_gcd_~y_7 0) InVars {ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_7} OutVars{ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_7} AuxVars[] AssignedVars[] 5#L17-1true 17.50/9.88 [2019-03-28 11:52:35,434 INFO L796 eck$LassoCheckResult]: Loop: 5#L17-1true [51] L17-1-->L20-2: Formula: (and (< 0 v_ULTIMATE.start_gcd_~y_9) (= v_ULTIMATE.start_gcd_~r~0_4 v_ULTIMATE.start_gcd_~x_8)) InVars {ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_9} OutVars{ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_9, ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_4} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~r~0] 6#L20-2true [65] L20-2-->L17-1: Formula: (and (= v_ULTIMATE.start_gcd_~y_13 v_ULTIMATE.start_gcd_~r~0_8) (= v_ULTIMATE.start_gcd_~x_10 v_ULTIMATE.start_gcd_~y_14) (< v_ULTIMATE.start_gcd_~r~0_8 v_ULTIMATE.start_gcd_~y_14)) InVars {ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_14} OutVars{ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_8, ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_10, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_13} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~x, ULTIMATE.start_gcd_~y] 5#L17-1true 17.50/9.88 [2019-03-28 11:52:35,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:35,440 INFO L82 PathProgramCache]: Analyzing trace with hash 77840, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:35,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:35,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:35,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:35,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:35,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2607, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:35,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:35,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:35,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:35,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:35,532 INFO L82 PathProgramCache]: Analyzing trace with hash 74805886, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:35,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:35,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:35,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:35,599 INFO L216 LassoAnalysis]: Preferences: 17.50/9.88 [2019-03-28 11:52:35,600 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.50/9.88 [2019-03-28 11:52:35,600 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.50/9.88 [2019-03-28 11:52:35,600 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.50/9.88 [2019-03-28 11:52:35,601 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.50/9.88 [2019-03-28 11:52:35,601 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:35,601 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.50/9.88 [2019-03-28 11:52:35,601 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.50/9.88 [2019-03-28 11:52:35,601 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.50/9.88 [2019-03-28 11:52:35,602 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.50/9.88 [2019-03-28 11:52:35,602 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.50/9.88 [2019-03-28 11:52:35,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:35,694 INFO L300 LassoAnalysis]: Preprocessing complete. 17.50/9.88 [2019-03-28 11:52:35,695 INFO L412 LassoAnalysis]: Checking for nontermination... 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:35,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:35,703 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:35,741 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:35,741 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 [2019-03-28 11:52:36,345 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.50/9.88 [2019-03-28 11:52:36,348 INFO L216 LassoAnalysis]: Preferences: 17.50/9.88 [2019-03-28 11:52:36,348 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.50/9.88 [2019-03-28 11:52:36,349 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.50/9.88 [2019-03-28 11:52:36,349 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.50/9.88 [2019-03-28 11:52:36,349 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.50/9.88 [2019-03-28 11:52:36,349 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:36,349 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.50/9.88 [2019-03-28 11:52:36,349 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.50/9.88 [2019-03-28 11:52:36,349 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.50/9.88 [2019-03-28 11:52:36,350 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.50/9.88 [2019-03-28 11:52:36,350 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.50/9.88 [2019-03-28 11:52:36,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:36,417 INFO L300 LassoAnalysis]: Preprocessing complete. 17.50/9.88 [2019-03-28 11:52:36,422 INFO L497 LassoAnalysis]: Using template 'affine'. 17.50/9.88 [2019-03-28 11:52:36,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.50/9.88 Termination analysis: LINEAR_WITH_GUESSES 17.50/9.88 Number of strict supporting invariants: 0 17.50/9.88 Number of non-strict supporting invariants: 1 17.50/9.88 Consider only non-deceasing supporting invariants: true 17.50/9.88 Simplify termination arguments: true 17.50/9.88 Simplify supporting invariants: trueOverapproximate stem: false 17.50/9.88 [2019-03-28 11:52:36,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.50/9.88 [2019-03-28 11:52:36,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.50/9.88 [2019-03-28 11:52:36,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.50/9.88 [2019-03-28 11:52:36,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.50/9.88 [2019-03-28 11:52:36,427 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.50/9.88 [2019-03-28 11:52:36,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.50/9.88 [2019-03-28 11:52:36,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.50/9.88 [2019-03-28 11:52:36,443 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.50/9.88 [2019-03-28 11:52:36,453 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.50/9.88 [2019-03-28 11:52:36,453 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 17.50/9.88 [2019-03-28 11:52:36,456 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.50/9.88 [2019-03-28 11:52:36,456 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.50/9.88 [2019-03-28 11:52:36,457 INFO L518 LassoAnalysis]: Proved termination. 17.50/9.88 [2019-03-28 11:52:36,457 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.50/9.88 Ranking function f(ULTIMATE.start_gcd_~y) = 1*ULTIMATE.start_gcd_~y 17.50/9.88 Supporting invariants [] 17.50/9.88 [2019-03-28 11:52:36,459 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.50/9.88 [2019-03-28 11:52:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.50/9.88 [2019-03-28 11:52:36,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 17.50/9.88 [2019-03-28 11:52:36,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.50/9.88 [2019-03-28 11:52:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.50/9.88 [2019-03-28 11:52:36,511 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 17.50/9.88 [2019-03-28 11:52:36,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.50/9.88 [2019-03-28 11:52:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.50/9.88 [2019-03-28 11:52:36,548 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.50/9.88 [2019-03-28 11:52:36,553 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 17.50/9.88 [2019-03-28 11:52:36,555 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 3 states. 17.50/9.88 [2019-03-28 11:52:36,585 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 3 states. Result 10 states and 16 transitions. Complement of second has 4 states. 17.50/9.88 [2019-03-28 11:52:36,585 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 17.50/9.88 [2019-03-28 11:52:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.50/9.88 [2019-03-28 11:52:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. 17.50/9.88 [2019-03-28 11:52:36,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 17.50/9.88 [2019-03-28 11:52:36,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:36,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. 17.50/9.88 [2019-03-28 11:52:36,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:36,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. 17.50/9.88 [2019-03-28 11:52:36,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:36,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 16 transitions. 17.50/9.88 [2019-03-28 11:52:36,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 17.50/9.88 [2019-03-28 11:52:36,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 16 transitions. 17.50/9.88 [2019-03-28 11:52:36,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 17.50/9.88 [2019-03-28 11:52:36,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 17.50/9.88 [2019-03-28 11:52:36,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 16 transitions. 17.50/9.88 [2019-03-28 11:52:36,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.50/9.88 [2019-03-28 11:52:36,606 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 16 transitions. 17.50/9.88 [2019-03-28 11:52:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 16 transitions. 17.50/9.88 [2019-03-28 11:52:36,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. 17.50/9.88 [2019-03-28 11:52:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 17.50/9.88 [2019-03-28 11:52:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. 17.50/9.88 [2019-03-28 11:52:36,635 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 17.50/9.88 [2019-03-28 11:52:36,635 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 17.50/9.88 [2019-03-28 11:52:36,635 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.50/9.88 [2019-03-28 11:52:36,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. 17.50/9.88 [2019-03-28 11:52:36,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 17.50/9.88 [2019-03-28 11:52:36,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.50/9.88 [2019-03-28 11:52:36,636 INFO L119 BuchiIsEmpty]: Starting construction of run 17.50/9.88 [2019-03-28 11:52:36,636 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.50/9.88 [2019-03-28 11:52:36,637 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.50/9.88 [2019-03-28 11:52:36,637 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_gcd_~x_1 |v_ULTIMATE.start_gcd_#in~x_1|) (= |v_ULTIMATE.start_gcd_#in~x_1| v_ULTIMATE.start_main_~x~0_1) (= |v_ULTIMATE.start_gcd_#in~y_1| v_ULTIMATE.start_main_~y~0_1) (= v_ULTIMATE.start_gcd_~y_1 |v_ULTIMATE.start_gcd_#in~y_1|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_gcd_#res=|v_ULTIMATE.start_gcd_#res_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_gcd_#in~y=|v_ULTIMATE.start_gcd_#in~y_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_gcd_#in~x=|v_ULTIMATE.start_gcd_#in~x_1|, ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_1, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_gcd_~r~0, ULTIMATE.start_gcd_#res, ULTIMATE.start_main_#res, ULTIMATE.start_gcd_#in~y, ULTIMATE.start_main_~y~0, ULTIMATE.start_gcd_#in~x, ULTIMATE.start_gcd_~x, ULTIMATE.start_gcd_~y, ULTIMATE.start_main_~x~0] 54#L15 [60] L15-->L15-2: Formula: (>= v_ULTIMATE.start_gcd_~x_6 0) InVars {ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_6} OutVars{ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_6} AuxVars[] AssignedVars[] 55#L15-2 [56] L15-2-->L17-1: Formula: (and (< v_ULTIMATE.start_gcd_~y_6 0) (= v_ULTIMATE.start_gcd_~y_5 (- v_ULTIMATE.start_gcd_~y_6))) InVars {ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_6} OutVars{ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_5} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~y] 56#L17-1 17.50/9.88 [2019-03-28 11:52:36,637 INFO L796 eck$LassoCheckResult]: Loop: 56#L17-1 [51] L17-1-->L20-2: Formula: (and (< 0 v_ULTIMATE.start_gcd_~y_9) (= v_ULTIMATE.start_gcd_~r~0_4 v_ULTIMATE.start_gcd_~x_8)) InVars {ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_9} OutVars{ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_9, ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_4} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~r~0] 57#L20-2 [65] L20-2-->L17-1: Formula: (and (= v_ULTIMATE.start_gcd_~y_13 v_ULTIMATE.start_gcd_~r~0_8) (= v_ULTIMATE.start_gcd_~x_10 v_ULTIMATE.start_gcd_~y_14) (< v_ULTIMATE.start_gcd_~r~0_8 v_ULTIMATE.start_gcd_~y_14)) InVars {ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_14} OutVars{ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_8, ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_10, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_13} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~x, ULTIMATE.start_gcd_~y] 56#L17-1 17.50/9.88 [2019-03-28 11:52:36,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:36,638 INFO L82 PathProgramCache]: Analyzing trace with hash 77835, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:36,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:36,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:36,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:36,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:36,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2607, now seen corresponding path program 2 times 17.50/9.88 [2019-03-28 11:52:36,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:36,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:36,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:36,655 INFO L82 PathProgramCache]: Analyzing trace with hash 74801081, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:36,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:36,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:36,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,656 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:36,686 INFO L216 LassoAnalysis]: Preferences: 17.50/9.88 [2019-03-28 11:52:36,687 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.50/9.88 [2019-03-28 11:52:36,687 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.50/9.88 [2019-03-28 11:52:36,687 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.50/9.88 [2019-03-28 11:52:36,687 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.50/9.88 [2019-03-28 11:52:36,687 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:36,687 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.50/9.88 [2019-03-28 11:52:36,687 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.50/9.88 [2019-03-28 11:52:36,688 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.50/9.88 [2019-03-28 11:52:36,688 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.50/9.88 [2019-03-28 11:52:36,688 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.50/9.88 [2019-03-28 11:52:36,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:36,744 INFO L300 LassoAnalysis]: Preprocessing complete. 17.50/9.88 [2019-03-28 11:52:36,745 INFO L412 LassoAnalysis]: Checking for nontermination... 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:36,748 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:36,748 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:36,782 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:36,782 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 [2019-03-28 11:52:37,640 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.50/9.88 [2019-03-28 11:52:37,643 INFO L216 LassoAnalysis]: Preferences: 17.50/9.88 [2019-03-28 11:52:37,643 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.50/9.88 [2019-03-28 11:52:37,643 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.50/9.88 [2019-03-28 11:52:37,644 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.50/9.88 [2019-03-28 11:52:37,644 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.50/9.88 [2019-03-28 11:52:37,644 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:37,644 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.50/9.88 [2019-03-28 11:52:37,644 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.50/9.88 [2019-03-28 11:52:37,644 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.50/9.88 [2019-03-28 11:52:37,644 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.50/9.88 [2019-03-28 11:52:37,644 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.50/9.88 [2019-03-28 11:52:37,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:37,688 INFO L300 LassoAnalysis]: Preprocessing complete. 17.50/9.88 [2019-03-28 11:52:37,689 INFO L497 LassoAnalysis]: Using template 'affine'. 17.50/9.88 [2019-03-28 11:52:37,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.50/9.88 Termination analysis: LINEAR_WITH_GUESSES 17.50/9.88 Number of strict supporting invariants: 0 17.50/9.88 Number of non-strict supporting invariants: 1 17.50/9.88 Consider only non-deceasing supporting invariants: true 17.50/9.88 Simplify termination arguments: true 17.50/9.88 Simplify supporting invariants: trueOverapproximate stem: false 17.50/9.88 [2019-03-28 11:52:37,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.50/9.88 [2019-03-28 11:52:37,690 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.50/9.88 [2019-03-28 11:52:37,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.50/9.88 [2019-03-28 11:52:37,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.50/9.88 [2019-03-28 11:52:37,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.50/9.88 [2019-03-28 11:52:37,692 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.50/9.88 [2019-03-28 11:52:37,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.50/9.88 [2019-03-28 11:52:37,703 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.50/9.88 [2019-03-28 11:52:37,708 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.50/9.88 [2019-03-28 11:52:37,709 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 17.50/9.88 [2019-03-28 11:52:37,709 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.50/9.88 [2019-03-28 11:52:37,709 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.50/9.88 [2019-03-28 11:52:37,709 INFO L518 LassoAnalysis]: Proved termination. 17.50/9.88 [2019-03-28 11:52:37,710 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.50/9.88 Ranking function f(ULTIMATE.start_gcd_~y) = 1*ULTIMATE.start_gcd_~y 17.50/9.88 Supporting invariants [] 17.50/9.88 [2019-03-28 11:52:37,710 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.50/9.88 [2019-03-28 11:52:37,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.50/9.88 [2019-03-28 11:52:37,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core 17.50/9.88 [2019-03-28 11:52:37,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.50/9.88 [2019-03-28 11:52:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.50/9.88 [2019-03-28 11:52:37,746 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 17.50/9.88 [2019-03-28 11:52:37,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.50/9.88 [2019-03-28 11:52:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.50/9.88 [2019-03-28 11:52:37,775 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.50/9.88 [2019-03-28 11:52:37,775 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 17.50/9.88 [2019-03-28 11:52:37,776 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 9 Second operand 3 states. 17.50/9.88 [2019-03-28 11:52:37,819 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 12 states and 20 transitions. Complement of second has 5 states. 17.50/9.88 [2019-03-28 11:52:37,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 17.50/9.88 [2019-03-28 11:52:37,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.50/9.88 [2019-03-28 11:52:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. 17.50/9.88 [2019-03-28 11:52:37,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. 17.50/9.88 [2019-03-28 11:52:37,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:37,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. 17.50/9.88 [2019-03-28 11:52:37,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:37,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. 17.50/9.88 [2019-03-28 11:52:37,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:37,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 20 transitions. 17.50/9.88 [2019-03-28 11:52:37,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 17.50/9.88 [2019-03-28 11:52:37,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 20 transitions. 17.50/9.88 [2019-03-28 11:52:37,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 17.50/9.88 [2019-03-28 11:52:37,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 17.50/9.88 [2019-03-28 11:52:37,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 20 transitions. 17.50/9.88 [2019-03-28 11:52:37,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.50/9.88 [2019-03-28 11:52:37,827 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 20 transitions. 17.50/9.88 [2019-03-28 11:52:37,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 20 transitions. 17.50/9.88 [2019-03-28 11:52:37,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. 17.50/9.88 [2019-03-28 11:52:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 17.50/9.88 [2019-03-28 11:52:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 17.50/9.88 [2019-03-28 11:52:37,829 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 17.50/9.88 [2019-03-28 11:52:37,829 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 17.50/9.88 [2019-03-28 11:52:37,829 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.50/9.88 [2019-03-28 11:52:37,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 17.50/9.88 [2019-03-28 11:52:37,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.50/9.88 [2019-03-28 11:52:37,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.50/9.88 [2019-03-28 11:52:37,830 INFO L119 BuchiIsEmpty]: Starting construction of run 17.50/9.88 [2019-03-28 11:52:37,830 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 17.50/9.88 [2019-03-28 11:52:37,830 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.50/9.88 [2019-03-28 11:52:37,831 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_gcd_~x_1 |v_ULTIMATE.start_gcd_#in~x_1|) (= |v_ULTIMATE.start_gcd_#in~x_1| v_ULTIMATE.start_main_~x~0_1) (= |v_ULTIMATE.start_gcd_#in~y_1| v_ULTIMATE.start_main_~y~0_1) (= v_ULTIMATE.start_gcd_~y_1 |v_ULTIMATE.start_gcd_#in~y_1|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_gcd_#res=|v_ULTIMATE.start_gcd_#res_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_gcd_#in~y=|v_ULTIMATE.start_gcd_#in~y_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_gcd_#in~x=|v_ULTIMATE.start_gcd_#in~x_1|, ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_1, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_gcd_~r~0, ULTIMATE.start_gcd_#res, ULTIMATE.start_main_#res, ULTIMATE.start_gcd_#in~y, ULTIMATE.start_main_~y~0, ULTIMATE.start_gcd_#in~x, ULTIMATE.start_gcd_~x, ULTIMATE.start_gcd_~y, ULTIMATE.start_main_~x~0] 116#L15 [60] L15-->L15-2: Formula: (>= v_ULTIMATE.start_gcd_~x_6 0) InVars {ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_6} OutVars{ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_6} AuxVars[] AssignedVars[] 117#L15-2 [61] L15-2-->L17-1: Formula: (>= v_ULTIMATE.start_gcd_~y_7 0) InVars {ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_7} OutVars{ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_7} AuxVars[] AssignedVars[] 118#L17-1 [51] L17-1-->L20-2: Formula: (and (< 0 v_ULTIMATE.start_gcd_~y_9) (= v_ULTIMATE.start_gcd_~r~0_4 v_ULTIMATE.start_gcd_~x_8)) InVars {ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_9} OutVars{ULTIMATE.start_gcd_~x=v_ULTIMATE.start_gcd_~x_8, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_9, ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_4} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~r~0] 120#L20-2 17.50/9.88 [2019-03-28 11:52:37,831 INFO L796 eck$LassoCheckResult]: Loop: 120#L20-2 [55] L20-2-->L20-2: Formula: (and (<= v_ULTIMATE.start_gcd_~y_11 v_ULTIMATE.start_gcd_~r~0_7) (= v_ULTIMATE.start_gcd_~r~0_6 (+ (* (- 1) v_ULTIMATE.start_gcd_~y_11) v_ULTIMATE.start_gcd_~r~0_7))) InVars {ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_7, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_11} OutVars{ULTIMATE.start_gcd_~r~0=v_ULTIMATE.start_gcd_~r~0_6, ULTIMATE.start_gcd_~y=v_ULTIMATE.start_gcd_~y_11} AuxVars[] AssignedVars[ULTIMATE.start_gcd_~r~0] 120#L20-2 17.50/9.88 [2019-03-28 11:52:37,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:37,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2413091, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:37,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:37,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:37,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:37,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:37,842 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:37,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:37,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:37,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:37,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:37,847 INFO L82 PathProgramCache]: Analyzing trace with hash 74805876, now seen corresponding path program 1 times 17.50/9.88 [2019-03-28 11:52:37,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.50/9.88 [2019-03-28 11:52:37,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.50/9.88 [2019-03-28 11:52:37,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.50/9.88 [2019-03-28 11:52:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.50/9.88 [2019-03-28 11:52:37,943 INFO L216 LassoAnalysis]: Preferences: 17.50/9.88 [2019-03-28 11:52:37,944 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.50/9.88 [2019-03-28 11:52:37,944 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.50/9.88 [2019-03-28 11:52:37,944 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.50/9.88 [2019-03-28 11:52:37,944 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.50/9.88 [2019-03-28 11:52:37,944 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:37,944 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.50/9.88 [2019-03-28 11:52:37,945 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.50/9.88 [2019-03-28 11:52:37,945 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 17.50/9.88 [2019-03-28 11:52:37,945 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.50/9.88 [2019-03-28 11:52:37,945 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.50/9.88 [2019-03-28 11:52:37,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:37,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:37,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:37,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:37,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:37,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,086 INFO L300 LassoAnalysis]: Preprocessing complete. 17.50/9.88 [2019-03-28 11:52:38,087 INFO L412 LassoAnalysis]: Checking for nontermination... 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:38,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:38,112 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 [2019-03-28 11:52:38,116 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.50/9.88 [2019-03-28 11:52:38,116 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:38,146 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:38,147 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 [2019-03-28 11:52:38,150 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.50/9.88 [2019-03-28 11:52:38,151 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:38,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:38,179 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 [2019-03-28 11:52:38,183 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.50/9.88 [2019-03-28 11:52:38,183 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:38,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:38,212 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.50/9.88 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.50/9.88 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:38,247 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.50/9.88 [2019-03-28 11:52:38,248 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.50/9.88 [2019-03-28 11:52:38,526 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.50/9.88 [2019-03-28 11:52:38,529 INFO L216 LassoAnalysis]: Preferences: 17.50/9.88 [2019-03-28 11:52:38,529 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.50/9.88 [2019-03-28 11:52:38,529 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.50/9.88 [2019-03-28 11:52:38,529 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.50/9.88 [2019-03-28 11:52:38,530 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.50/9.88 [2019-03-28 11:52:38,530 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.50/9.88 [2019-03-28 11:52:38,530 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.50/9.88 [2019-03-28 11:52:38,530 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.50/9.88 [2019-03-28 11:52:38,530 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 17.50/9.88 [2019-03-28 11:52:38,530 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.50/9.88 [2019-03-28 11:52:38,530 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.50/9.88 [2019-03-28 11:52:38,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.50/9.88 [2019-03-28 11:52:38,650 INFO L300 LassoAnalysis]: Preprocessing complete. 17.50/9.88 [2019-03-28 11:52:38,651 INFO L497 LassoAnalysis]: Using template 'affine'. 17.50/9.88 [2019-03-28 11:52:38,651 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.50/9.88 Termination analysis: LINEAR_WITH_GUESSES 17.50/9.88 Number of strict supporting invariants: 0 17.50/9.88 Number of non-strict supporting invariants: 1 17.50/9.88 Consider only non-deceasing supporting invariants: true 17.50/9.88 Simplify termination arguments: true 17.50/9.88 Simplify supporting invariants: trueOverapproximate stem: false 17.50/9.88 [2019-03-28 11:52:38,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.50/9.88 [2019-03-28 11:52:38,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.50/9.88 [2019-03-28 11:52:38,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.50/9.88 [2019-03-28 11:52:38,653 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.50/9.88 [2019-03-28 11:52:38,657 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.50/9.88 [2019-03-28 11:52:38,658 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.50/9.88 [2019-03-28 11:52:38,683 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.50/9.88 [2019-03-28 11:52:38,703 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.50/9.88 [2019-03-28 11:52:38,703 INFO L444 ModelExtractionUtils]: 19 out of 25 variables were initially zero. Simplification set additionally 0 variables to zero. 17.50/9.88 [2019-03-28 11:52:38,704 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.50/9.88 [2019-03-28 11:52:38,707 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 17.50/9.88 [2019-03-28 11:52:38,707 INFO L518 LassoAnalysis]: Proved termination. 17.50/9.88 [2019-03-28 11:52:38,707 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.50/9.88 Ranking function f(ULTIMATE.start_gcd_~r~0, ULTIMATE.start_gcd_~y) = 2*ULTIMATE.start_gcd_~r~0 - 2*ULTIMATE.start_gcd_~y + 1 17.50/9.88 Supporting invariants [1*ULTIMATE.start_gcd_~y - 1 >= 0] 17.50/9.88 [2019-03-28 11:52:38,714 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 17.50/9.88 [2019-03-28 11:52:38,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.50/9.88 [2019-03-28 11:52:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.50/9.88 [2019-03-28 11:52:38,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core 17.50/9.88 [2019-03-28 11:52:38,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.50/9.88 [2019-03-28 11:52:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.50/9.88 [2019-03-28 11:52:38,763 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 17.50/9.88 [2019-03-28 11:52:38,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.50/9.88 [2019-03-28 11:52:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.50/9.88 [2019-03-28 11:52:38,775 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.50/9.88 [2019-03-28 11:52:38,775 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 17.50/9.88 [2019-03-28 11:52:38,776 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 2 states. 17.50/9.88 [2019-03-28 11:52:38,815 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 2 states. Result 8 states and 13 transitions. Complement of second has 2 states. 17.50/9.88 [2019-03-28 11:52:38,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 17.50/9.88 [2019-03-28 11:52:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.50/9.88 [2019-03-28 11:52:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. 17.50/9.88 [2019-03-28 11:52:38,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 1 letters. 17.50/9.88 [2019-03-28 11:52:38,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:38,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. 17.50/9.88 [2019-03-28 11:52:38,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:38,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. 17.50/9.88 [2019-03-28 11:52:38,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.50/9.88 [2019-03-28 11:52:38,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 13 transitions. 17.50/9.88 [2019-03-28 11:52:38,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.50/9.88 [2019-03-28 11:52:38,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 17.50/9.88 [2019-03-28 11:52:38,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.50/9.88 [2019-03-28 11:52:38,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.50/9.88 [2019-03-28 11:52:38,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.50/9.88 [2019-03-28 11:52:38,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.50/9.88 [2019-03-28 11:52:38,821 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.50/9.88 [2019-03-28 11:52:38,821 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.50/9.88 [2019-03-28 11:52:38,821 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.50/9.88 [2019-03-28 11:52:38,821 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.50/9.88 [2019-03-28 11:52:38,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.50/9.88 [2019-03-28 11:52:38,821 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.50/9.88 [2019-03-28 11:52:38,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.50/9.88 [2019-03-28 11:52:38,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:52:38 BasicIcfg 17.50/9.88 [2019-03-28 11:52:38,827 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.50/9.88 [2019-03-28 11:52:38,828 INFO L168 Benchmark]: Toolchain (without parser) took 4305.67 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 564.2 MB in the beginning and 399.9 MB in the end (delta: 164.3 MB). Peak memory consumption was 198.4 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,830 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.01 ms. Allocated memory is still 649.6 MB. Free memory was 564.2 MB in the beginning and 553.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.78 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 553.3 MB in the beginning and 650.1 MB in the end (delta: -96.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,831 INFO L168 Benchmark]: Boogie Preprocessor took 21.52 ms. Allocated memory is still 683.7 MB. Free memory was 650.1 MB in the beginning and 648.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,832 INFO L168 Benchmark]: RCFGBuilder took 235.65 ms. Allocated memory is still 683.7 MB. Free memory was 647.0 MB in the beginning and 633.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,832 INFO L168 Benchmark]: BlockEncodingV2 took 80.08 ms. Allocated memory is still 683.7 MB. Free memory was 633.8 MB in the beginning and 628.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,833 INFO L168 Benchmark]: TraceAbstraction took 158.83 ms. Allocated memory is still 683.7 MB. Free memory was 627.1 MB in the beginning and 619.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,834 INFO L168 Benchmark]: BuchiAutomizer took 3468.53 ms. Allocated memory is still 683.7 MB. Free memory was 619.0 MB in the beginning and 399.9 MB in the end (delta: 219.1 MB). Peak memory consumption was 219.1 MB. Max. memory is 50.3 GB. 17.50/9.88 [2019-03-28 11:52:38,838 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.50/9.88 --- Results --- 17.50/9.88 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.50/9.88 - StatisticsResult: Initial Icfg 17.50/9.88 11 locations, 16 edges 17.50/9.88 - StatisticsResult: Encoded RCFG 17.50/9.88 5 locations, 8 edges 17.50/9.88 * Results from de.uni_freiburg.informatik.ultimate.core: 17.50/9.88 - StatisticsResult: Toolchain Benchmarks 17.50/9.88 Benchmark results are: 17.50/9.88 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.50/9.88 * CACSL2BoogieTranslator took 234.01 ms. Allocated memory is still 649.6 MB. Free memory was 564.2 MB in the beginning and 553.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 17.50/9.88 * Boogie Procedure Inliner took 101.78 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 553.3 MB in the beginning and 650.1 MB in the end (delta: -96.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 17.50/9.88 * Boogie Preprocessor took 21.52 ms. Allocated memory is still 683.7 MB. Free memory was 650.1 MB in the beginning and 648.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 17.50/9.88 * RCFGBuilder took 235.65 ms. Allocated memory is still 683.7 MB. Free memory was 647.0 MB in the beginning and 633.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. 17.50/9.88 * BlockEncodingV2 took 80.08 ms. Allocated memory is still 683.7 MB. Free memory was 633.8 MB in the beginning and 628.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.50/9.88 * TraceAbstraction took 158.83 ms. Allocated memory is still 683.7 MB. Free memory was 627.1 MB in the beginning and 619.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 17.50/9.88 * BuchiAutomizer took 3468.53 ms. Allocated memory is still 683.7 MB. Free memory was 619.0 MB in the beginning and 399.9 MB in the end (delta: 219.1 MB). Peak memory consumption was 219.1 MB. Max. memory is 50.3 GB. 17.50/9.88 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.50/9.88 - AllSpecificationsHoldResult: All specifications hold 17.50/9.88 We were not able to verify any specifiation because the program does not contain any specification. 17.50/9.88 - InvariantResult [Line: 20]: Loop Invariant 17.50/9.88 Derived loop invariant: 1 17.50/9.88 - StatisticsResult: Ultimate Automizer benchmark data 17.50/9.88 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.50/9.88 - StatisticsResult: Constructed decomposition of program 17.50/9.88 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function 2 * r + -2 * y + 1 and consists of 2 locations. 17.50/9.88 - StatisticsResult: Timing statistics 17.50/9.88 BüchiAutomizer plugin needed 3.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 32 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf97 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq175 hnf89 smp100 dnf100 smp100 tf105 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 56ms VariablesStem: 7 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s 17.50/9.88 - TerminationAnalysisResult: Termination proven 17.50/9.88 Buchi Automizer proved that your program is terminating 17.50/9.88 RESULT: Ultimate proved your program to be correct! 17.50/9.88 !SESSION 2019-03-28 11:52:30.735 ----------------------------------------------- 17.50/9.88 eclipse.buildId=unknown 17.50/9.88 java.version=1.8.0_181 17.50/9.88 java.vendor=Oracle Corporation 17.50/9.88 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.50/9.88 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.50/9.88 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.50/9.88 17.50/9.88 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:52:39.070 17.50/9.88 !MESSAGE The workspace will exit with unsaved changes in this session. 17.50/9.88 Received shutdown request... 17.50/9.88 Ultimate: 17.50/9.88 GTK+ Version Check 17.50/9.88 EOF