12.95/6.03 YES 12.95/6.03 12.95/6.03 Ultimate: Cannot open display: 12.95/6.03 This is Ultimate 0.1.24-8dc7c08-m 12.95/6.03 [2019-03-28 12:07:46,478 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.95/6.03 [2019-03-28 12:07:46,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.95/6.03 [2019-03-28 12:07:46,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,492 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.95/6.03 [2019-03-28 12:07:46,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.95/6.03 [2019-03-28 12:07:46,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.95/6.03 [2019-03-28 12:07:46,496 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.95/6.03 [2019-03-28 12:07:46,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.95/6.03 [2019-03-28 12:07:46,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.95/6.03 [2019-03-28 12:07:46,499 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.95/6.03 [2019-03-28 12:07:46,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.95/6.03 [2019-03-28 12:07:46,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.95/6.03 [2019-03-28 12:07:46,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.95/6.03 [2019-03-28 12:07:46,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.95/6.03 [2019-03-28 12:07:46,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.95/6.03 [2019-03-28 12:07:46,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.95/6.03 [2019-03-28 12:07:46,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.95/6.03 [2019-03-28 12:07:46,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.95/6.03 [2019-03-28 12:07:46,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.95/6.03 [2019-03-28 12:07:46,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.95/6.03 [2019-03-28 12:07:46,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.95/6.03 [2019-03-28 12:07:46,514 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.95/6.03 [2019-03-28 12:07:46,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.95/6.03 [2019-03-28 12:07:46,515 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.95/6.03 [2019-03-28 12:07:46,516 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.95/6.03 [2019-03-28 12:07:46,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.95/6.03 [2019-03-28 12:07:46,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.95/6.03 [2019-03-28 12:07:46,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.95/6.03 [2019-03-28 12:07:46,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.95/6.03 [2019-03-28 12:07:46,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.95/6.03 [2019-03-28 12:07:46,521 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.95/6.03 [2019-03-28 12:07:46,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.95/6.03 [2019-03-28 12:07:46,522 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 12.95/6.03 [2019-03-28 12:07:46,536 INFO L110 SettingsManager]: Loading preferences was successful 12.95/6.03 [2019-03-28 12:07:46,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.95/6.03 [2019-03-28 12:07:46,537 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.95/6.03 [2019-03-28 12:07:46,537 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.95/6.03 [2019-03-28 12:07:46,538 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.95/6.03 [2019-03-28 12:07:46,538 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.95/6.03 [2019-03-28 12:07:46,538 INFO L133 SettingsManager]: * Use SBE=true 12.95/6.03 [2019-03-28 12:07:46,538 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.95/6.03 [2019-03-28 12:07:46,538 INFO L133 SettingsManager]: * Use old map elimination=false 12.95/6.03 [2019-03-28 12:07:46,539 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.95/6.03 [2019-03-28 12:07:46,539 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.95/6.03 [2019-03-28 12:07:46,539 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.95/6.03 [2019-03-28 12:07:46,539 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.95/6.03 [2019-03-28 12:07:46,539 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.95/6.03 [2019-03-28 12:07:46,539 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:46,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.95/6.03 [2019-03-28 12:07:46,540 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.95/6.03 [2019-03-28 12:07:46,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.95/6.03 [2019-03-28 12:07:46,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.95/6.03 [2019-03-28 12:07:46,540 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.95/6.03 [2019-03-28 12:07:46,540 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.95/6.03 [2019-03-28 12:07:46,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.95/6.03 [2019-03-28 12:07:46,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.95/6.03 [2019-03-28 12:07:46,541 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.95/6.03 [2019-03-28 12:07:46,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.95/6.03 [2019-03-28 12:07:46,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.95/6.03 [2019-03-28 12:07:46,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.95/6.03 [2019-03-28 12:07:46,542 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.95/6.03 [2019-03-28 12:07:46,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.95/6.03 [2019-03-28 12:07:46,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.95/6.03 [2019-03-28 12:07:46,581 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.95/6.03 [2019-03-28 12:07:46,584 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.95/6.03 [2019-03-28 12:07:46,586 INFO L271 PluginConnector]: Initializing CDTParser... 12.95/6.03 [2019-03-28 12:07:46,586 INFO L276 PluginConnector]: CDTParser initialized 12.95/6.03 [2019-03-28 12:07:46,587 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 12.95/6.03 [2019-03-28 12:07:46,655 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/b2c6e4fd11804e0d89d9437ad25b2961/FLAGff31ef427 12.95/6.03 [2019-03-28 12:07:46,992 INFO L307 CDTParser]: Found 1 translation units. 12.95/6.03 [2019-03-28 12:07:46,993 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 12.95/6.03 [2019-03-28 12:07:46,999 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/b2c6e4fd11804e0d89d9437ad25b2961/FLAGff31ef427 12.95/6.03 [2019-03-28 12:07:47,396 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/b2c6e4fd11804e0d89d9437ad25b2961 12.95/6.03 [2019-03-28 12:07:47,408 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.95/6.03 [2019-03-28 12:07:47,410 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.95/6.03 [2019-03-28 12:07:47,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.95/6.03 [2019-03-28 12:07:47,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.95/6.03 [2019-03-28 12:07:47,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.95/6.03 [2019-03-28 12:07:47,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730c94ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:47,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.95/6.03 [2019-03-28 12:07:47,444 INFO L176 MainTranslator]: Built tables and reachable declarations 12.95/6.03 [2019-03-28 12:07:47,597 INFO L206 PostProcessor]: Analyzing one entry point: main 12.95/6.03 [2019-03-28 12:07:47,601 INFO L191 MainTranslator]: Completed pre-run 12.95/6.03 [2019-03-28 12:07:47,617 INFO L206 PostProcessor]: Analyzing one entry point: main 12.95/6.03 [2019-03-28 12:07:47,684 INFO L195 MainTranslator]: Completed translation 12.95/6.03 [2019-03-28 12:07:47,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47 WrapperNode 12.95/6.03 [2019-03-28 12:07:47,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.95/6.03 [2019-03-28 12:07:47,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.95/6.03 [2019-03-28 12:07:47,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.95/6.03 [2019-03-28 12:07:47,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.95/6.03 [2019-03-28 12:07:47,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.95/6.03 [2019-03-28 12:07:47,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.95/6.03 [2019-03-28 12:07:47,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.95/6.03 [2019-03-28 12:07:47,722 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.95/6.03 [2019-03-28 12:07:47,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.95/6.03 [2019-03-28 12:07:47,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.95/6.03 [2019-03-28 12:07:47,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.95/6.03 [2019-03-28 12:07:47,741 INFO L276 PluginConnector]: RCFGBuilder initialized 12.95/6.03 [2019-03-28 12:07:47,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (1/1) ... 12.95/6.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.95/6.03 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.95/6.03 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.95/6.03 [2019-03-28 12:07:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.95/6.03 [2019-03-28 12:07:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.95/6.03 [2019-03-28 12:07:47,937 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.95/6.03 [2019-03-28 12:07:47,938 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 12.95/6.03 [2019-03-28 12:07:47,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:47 BoogieIcfgContainer 12.95/6.03 [2019-03-28 12:07:47,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.95/6.03 [2019-03-28 12:07:47,940 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.95/6.03 [2019-03-28 12:07:47,940 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.95/6.03 [2019-03-28 12:07:47,942 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.95/6.03 [2019-03-28 12:07:47,942 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:47" (1/1) ... 12.95/6.03 [2019-03-28 12:07:47,956 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 14 edges 12.95/6.03 [2019-03-28 12:07:47,958 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.95/6.03 [2019-03-28 12:07:47,958 INFO L263 BlockEncoder]: Using Maximize final states 12.95/6.03 [2019-03-28 12:07:47,959 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.95/6.03 [2019-03-28 12:07:47,959 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.95/6.03 [2019-03-28 12:07:47,961 INFO L296 BlockEncoder]: Using Remove sink states 12.95/6.03 [2019-03-28 12:07:47,962 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.95/6.03 [2019-03-28 12:07:47,962 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.95/6.03 [2019-03-28 12:07:47,977 INFO L185 BlockEncoder]: Using Use SBE 12.95/6.03 [2019-03-28 12:07:47,985 INFO L200 BlockEncoder]: SBE split 0 edges 12.95/6.03 [2019-03-28 12:07:47,990 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 12.95/6.03 [2019-03-28 12:07:47,992 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.95/6.03 [2019-03-28 12:07:48,005 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 12.95/6.03 [2019-03-28 12:07:48,007 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.95/6.03 [2019-03-28 12:07:48,009 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.95/6.03 [2019-03-28 12:07:48,009 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.95/6.03 [2019-03-28 12:07:48,012 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 12.95/6.03 [2019-03-28 12:07:48,012 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.95/6.03 [2019-03-28 12:07:48,012 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.95/6.03 [2019-03-28 12:07:48,013 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.95/6.03 [2019-03-28 12:07:48,013 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.95/6.03 [2019-03-28 12:07:48,013 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.95/6.03 [2019-03-28 12:07:48,013 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 12.95/6.03 [2019-03-28 12:07:48,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:48 BasicIcfg 12.95/6.03 [2019-03-28 12:07:48,014 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.95/6.03 [2019-03-28 12:07:48,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.95/6.03 [2019-03-28 12:07:48,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.95/6.03 [2019-03-28 12:07:48,019 INFO L276 PluginConnector]: TraceAbstraction initialized 12.95/6.03 [2019-03-28 12:07:48,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:07:47" (1/4) ... 12.95/6.03 [2019-03-28 12:07:48,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbae5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (2/4) ... 12.95/6.03 [2019-03-28 12:07:48,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbae5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:47" (3/4) ... 12.95/6.03 [2019-03-28 12:07:48,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbae5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:48" (4/4) ... 12.95/6.03 [2019-03-28 12:07:48,023 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.95/6.03 [2019-03-28 12:07:48,033 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.95/6.03 [2019-03-28 12:07:48,040 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.95/6.03 [2019-03-28 12:07:48,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.95/6.03 [2019-03-28 12:07:48,085 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.95/6.03 [2019-03-28 12:07:48,086 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.95/6.03 [2019-03-28 12:07:48,087 INFO L383 AbstractCegarLoop]: Hoare is true 12.95/6.03 [2019-03-28 12:07:48,087 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.95/6.03 [2019-03-28 12:07:48,087 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.95/6.03 [2019-03-28 12:07:48,088 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.95/6.03 [2019-03-28 12:07:48,088 INFO L387 AbstractCegarLoop]: Difference is false 12.95/6.03 [2019-03-28 12:07:48,088 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.95/6.03 [2019-03-28 12:07:48,088 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.95/6.03 [2019-03-28 12:07:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 12.95/6.03 [2019-03-28 12:07:48,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.95/6.03 [2019-03-28 12:07:48,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 12.95/6.03 [2019-03-28 12:07:48,161 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.95/6.03 [2019-03-28 12:07:48,161 INFO L451 ceAbstractionStarter]: At program point L7-2(lines 7 13) the Hoare annotation is: true 12.95/6.03 [2019-03-28 12:07:48,162 INFO L451 ceAbstractionStarter]: At program point L5-2(lines 5 15) the Hoare annotation is: true 12.95/6.03 [2019-03-28 12:07:48,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:48 BasicIcfg 12.95/6.03 [2019-03-28 12:07:48,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.95/6.03 [2019-03-28 12:07:48,171 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.95/6.03 [2019-03-28 12:07:48,171 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.95/6.03 [2019-03-28 12:07:48,174 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.95/6.03 [2019-03-28 12:07:48,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/6.03 [2019-03-28 12:07:48,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:07:47" (1/5) ... 12.95/6.03 [2019-03-28 12:07:48,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bf01223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/6.03 [2019-03-28 12:07:48,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:47" (2/5) ... 12.95/6.03 [2019-03-28 12:07:48,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bf01223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/6.03 [2019-03-28 12:07:48,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:47" (3/5) ... 12.95/6.03 [2019-03-28 12:07:48,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bf01223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/6.03 [2019-03-28 12:07:48,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:48" (4/5) ... 12.95/6.03 [2019-03-28 12:07:48,178 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bf01223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:48, skipping insertion in model container 12.95/6.03 [2019-03-28 12:07:48,178 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.95/6.03 [2019-03-28 12:07:48,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:48" (5/5) ... 12.95/6.03 [2019-03-28 12:07:48,180 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.95/6.03 [2019-03-28 12:07:48,207 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.95/6.03 [2019-03-28 12:07:48,207 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.95/6.03 [2019-03-28 12:07:48,207 INFO L375 BuchiCegarLoop]: Hoare is true 12.95/6.03 [2019-03-28 12:07:48,207 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.95/6.03 [2019-03-28 12:07:48,208 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.95/6.03 [2019-03-28 12:07:48,208 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.95/6.03 [2019-03-28 12:07:48,208 INFO L379 BuchiCegarLoop]: Difference is false 12.95/6.03 [2019-03-28 12:07:48,208 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.95/6.03 [2019-03-28 12:07:48,208 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.95/6.03 [2019-03-28 12:07:48,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 12.95/6.03 [2019-03-28 12:07:48,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.95/6.03 [2019-03-28 12:07:48,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.95/6.03 [2019-03-28 12:07:48,230 INFO L119 BuchiIsEmpty]: Starting construction of run 12.95/6.03 [2019-03-28 12:07:48,235 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.95/6.03 [2019-03-28 12:07:48,235 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.95/6.03 [2019-03-28 12:07:48,235 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.95/6.03 [2019-03-28 12:07:48,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 12.95/6.03 [2019-03-28 12:07:48,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.95/6.03 [2019-03-28 12:07:48,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.95/6.03 [2019-03-28 12:07:48,236 INFO L119 BuchiIsEmpty]: Starting construction of run 12.95/6.03 [2019-03-28 12:07:48,237 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.95/6.03 [2019-03-28 12:07:48,237 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.95/6.03 [2019-03-28 12:07:48,243 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L5-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~y_2 |v_ULTIMATE.start_test_fun_#in~y_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_2, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_2|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 5#L5-2true 12.95/6.03 [2019-03-28 12:07:48,244 INFO L796 eck$LassoCheckResult]: Loop: 5#L5-2true [48] L5-2-->L7-2: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~x_4) (= v_ULTIMATE.start_test_fun_~y_4 1)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 3#L7-2true [56] L7-2-->L5-2: Formula: (and (= (+ v_ULTIMATE.start_test_fun_~x_12 (- 1)) v_ULTIMATE.start_test_fun_~x_11) (<= v_ULTIMATE.start_test_fun_~x_12 v_ULTIMATE.start_test_fun_~y_11)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_11, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_12} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_11, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_11} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 5#L5-2true 12.95/6.03 [2019-03-28 12:07:48,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,250 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times 12.95/6.03 [2019-03-28 12:07:48,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/6.03 [2019-03-28 12:07:48,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/6.03 [2019-03-28 12:07:48,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2505, now seen corresponding path program 1 times 12.95/6.03 [2019-03-28 12:07:48,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/6.03 [2019-03-28 12:07:48,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/6.03 [2019-03-28 12:07:48,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,340 INFO L82 PathProgramCache]: Analyzing trace with hash 70736, now seen corresponding path program 1 times 12.95/6.03 [2019-03-28 12:07:48,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/6.03 [2019-03-28 12:07:48,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/6.03 [2019-03-28 12:07:48,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,397 INFO L216 LassoAnalysis]: Preferences: 12.95/6.03 [2019-03-28 12:07:48,398 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.95/6.03 [2019-03-28 12:07:48,398 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.95/6.03 [2019-03-28 12:07:48,398 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.95/6.03 [2019-03-28 12:07:48,399 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.95/6.03 [2019-03-28 12:07:48,399 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,399 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.95/6.03 [2019-03-28 12:07:48,399 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.95/6.03 [2019-03-28 12:07:48,399 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.95/6.03 [2019-03-28 12:07:48,399 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.95/6.03 [2019-03-28 12:07:48,400 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.95/6.03 [2019-03-28 12:07:48,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/6.03 [2019-03-28 12:07:48,482 INFO L300 LassoAnalysis]: Preprocessing complete. 12.95/6.03 [2019-03-28 12:07:48,483 INFO L412 LassoAnalysis]: Checking for nontermination... 12.95/6.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.95/6.03 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.95/6.03 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,488 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.95/6.03 [2019-03-28 12:07:48,489 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.95/6.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.95/6.03 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.95/6.03 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,523 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.95/6.03 [2019-03-28 12:07:48,523 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.95/6.03 [2019-03-28 12:07:48,558 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.95/6.03 [2019-03-28 12:07:48,560 INFO L216 LassoAnalysis]: Preferences: 12.95/6.03 [2019-03-28 12:07:48,561 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.95/6.03 [2019-03-28 12:07:48,561 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.95/6.03 [2019-03-28 12:07:48,561 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.95/6.03 [2019-03-28 12:07:48,561 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.95/6.03 [2019-03-28 12:07:48,561 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,561 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.95/6.03 [2019-03-28 12:07:48,561 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.95/6.03 [2019-03-28 12:07:48,562 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.95/6.03 [2019-03-28 12:07:48,562 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.95/6.03 [2019-03-28 12:07:48,562 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.95/6.03 [2019-03-28 12:07:48,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/6.03 [2019-03-28 12:07:48,622 INFO L300 LassoAnalysis]: Preprocessing complete. 12.95/6.03 [2019-03-28 12:07:48,628 INFO L497 LassoAnalysis]: Using template 'affine'. 12.95/6.03 [2019-03-28 12:07:48,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.95/6.03 Termination analysis: LINEAR_WITH_GUESSES 12.95/6.03 Number of strict supporting invariants: 0 12.95/6.03 Number of non-strict supporting invariants: 1 12.95/6.03 Consider only non-deceasing supporting invariants: true 12.95/6.03 Simplify termination arguments: true 12.95/6.03 Simplify supporting invariants: trueOverapproximate stem: false 12.95/6.03 [2019-03-28 12:07:48,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.95/6.03 [2019-03-28 12:07:48,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.95/6.03 [2019-03-28 12:07:48,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.95/6.03 [2019-03-28 12:07:48,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.95/6.03 [2019-03-28 12:07:48,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.95/6.03 [2019-03-28 12:07:48,635 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.95/6.03 [2019-03-28 12:07:48,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.95/6.03 [2019-03-28 12:07:48,646 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.95/6.03 [2019-03-28 12:07:48,654 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.95/6.03 [2019-03-28 12:07:48,654 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 12.95/6.03 [2019-03-28 12:07:48,656 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.95/6.03 [2019-03-28 12:07:48,657 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.95/6.03 [2019-03-28 12:07:48,657 INFO L518 LassoAnalysis]: Proved termination. 12.95/6.03 [2019-03-28 12:07:48,658 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.95/6.03 Ranking function f(ULTIMATE.start_test_fun_~x) = 2*ULTIMATE.start_test_fun_~x + 1 12.95/6.03 Supporting invariants [] 12.95/6.03 [2019-03-28 12:07:48,659 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.95/6.03 [2019-03-28 12:07:48,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.95/6.03 [2019-03-28 12:07:48,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 12.95/6.03 [2019-03-28 12:07:48,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.95/6.03 [2019-03-28 12:07:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.95/6.03 [2019-03-28 12:07:48,722 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 12.95/6.03 [2019-03-28 12:07:48,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.95/6.03 [2019-03-28 12:07:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.95/6.03 [2019-03-28 12:07:48,766 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 12.95/6.03 [2019-03-28 12:07:48,771 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 12.95/6.03 [2019-03-28 12:07:48,772 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 12.95/6.03 [2019-03-28 12:07:48,803 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 12.95/6.03 [2019-03-28 12:07:48,804 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 12.95/6.03 [2019-03-28 12:07:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 12.95/6.03 [2019-03-28 12:07:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 12.95/6.03 [2019-03-28 12:07:48,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 12.95/6.03 [2019-03-28 12:07:48,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/6.03 [2019-03-28 12:07:48,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 12.95/6.03 [2019-03-28 12:07:48,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/6.03 [2019-03-28 12:07:48,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 12.95/6.03 [2019-03-28 12:07:48,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/6.03 [2019-03-28 12:07:48,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 12.95/6.03 [2019-03-28 12:07:48,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.95/6.03 [2019-03-28 12:07:48,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 12.95/6.03 [2019-03-28 12:07:48,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 12.95/6.03 [2019-03-28 12:07:48,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 12.95/6.03 [2019-03-28 12:07:48,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 12.95/6.03 [2019-03-28 12:07:48,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 12.95/6.03 [2019-03-28 12:07:48,823 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 12.95/6.03 [2019-03-28 12:07:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 12.95/6.03 [2019-03-28 12:07:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 12.95/6.03 [2019-03-28 12:07:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 12.95/6.03 [2019-03-28 12:07:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 12.95/6.03 [2019-03-28 12:07:48,853 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 12.95/6.03 [2019-03-28 12:07:48,853 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 12.95/6.03 [2019-03-28 12:07:48,853 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.95/6.03 [2019-03-28 12:07:48,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 12.95/6.03 [2019-03-28 12:07:48,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.95/6.03 [2019-03-28 12:07:48,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.95/6.03 [2019-03-28 12:07:48,854 INFO L119 BuchiIsEmpty]: Starting construction of run 12.95/6.03 [2019-03-28 12:07:48,854 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.95/6.03 [2019-03-28 12:07:48,854 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.95/6.03 [2019-03-28 12:07:48,855 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L5-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~y_2 |v_ULTIMATE.start_test_fun_#in~y_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_2, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_2|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 46#L5-2 [48] L5-2-->L7-2: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~x_4) (= v_ULTIMATE.start_test_fun_~y_4 1)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 42#L7-2 12.95/6.03 [2019-03-28 12:07:48,855 INFO L796 eck$LassoCheckResult]: Loop: 42#L7-2 [59] L7-2-->L7-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_13 v_ULTIMATE.start_test_fun_~x_13) (= (* 2 v_ULTIMATE.start_test_fun_~y_13) v_ULTIMATE.start_test_fun_~y_12) (< 0 v_ULTIMATE.start_test_fun_~y_13)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_13, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_13} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_12, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_13} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 42#L7-2 12.95/6.03 [2019-03-28 12:07:48,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2280, now seen corresponding path program 1 times 12.95/6.03 [2019-03-28 12:07:48,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/6.03 [2019-03-28 12:07:48,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/6.03 [2019-03-28 12:07:48,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,864 INFO L82 PathProgramCache]: Analyzing trace with hash 90, now seen corresponding path program 1 times 12.95/6.03 [2019-03-28 12:07:48,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/6.03 [2019-03-28 12:07:48,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/6.03 [2019-03-28 12:07:48,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:48,871 INFO L82 PathProgramCache]: Analyzing trace with hash 70739, now seen corresponding path program 1 times 12.95/6.03 [2019-03-28 12:07:48,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.95/6.03 [2019-03-28 12:07:48,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.95/6.03 [2019-03-28 12:07:48,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.95/6.03 [2019-03-28 12:07:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.95/6.03 [2019-03-28 12:07:48,904 INFO L216 LassoAnalysis]: Preferences: 12.95/6.03 [2019-03-28 12:07:48,904 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.95/6.03 [2019-03-28 12:07:48,904 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.95/6.03 [2019-03-28 12:07:48,904 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.95/6.03 [2019-03-28 12:07:48,905 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.95/6.03 [2019-03-28 12:07:48,905 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,905 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.95/6.03 [2019-03-28 12:07:48,905 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.95/6.03 [2019-03-28 12:07:48,905 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 12.95/6.03 [2019-03-28 12:07:48,905 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.95/6.03 [2019-03-28 12:07:48,905 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.95/6.03 [2019-03-28 12:07:48,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/6.03 [2019-03-28 12:07:48,941 INFO L300 LassoAnalysis]: Preprocessing complete. 12.95/6.03 [2019-03-28 12:07:48,942 INFO L412 LassoAnalysis]: Checking for nontermination... 12.95/6.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.95/6.03 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.95/6.03 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,953 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.95/6.03 [2019-03-28 12:07:48,953 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.95/6.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.95/6.03 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.95/6.03 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:48,985 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.95/6.03 [2019-03-28 12:07:48,985 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.95/6.03 [2019-03-28 12:07:49,058 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.95/6.03 [2019-03-28 12:07:49,061 INFO L216 LassoAnalysis]: Preferences: 12.95/6.03 [2019-03-28 12:07:49,061 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.95/6.03 [2019-03-28 12:07:49,061 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.95/6.03 [2019-03-28 12:07:49,061 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.95/6.03 [2019-03-28 12:07:49,061 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.95/6.03 [2019-03-28 12:07:49,061 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.95/6.03 [2019-03-28 12:07:49,062 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.95/6.03 [2019-03-28 12:07:49,062 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.95/6.03 [2019-03-28 12:07:49,062 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 12.95/6.03 [2019-03-28 12:07:49,062 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.95/6.03 [2019-03-28 12:07:49,062 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.95/6.03 [2019-03-28 12:07:49,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.95/6.03 [2019-03-28 12:07:49,094 INFO L300 LassoAnalysis]: Preprocessing complete. 12.95/6.03 [2019-03-28 12:07:49,094 INFO L497 LassoAnalysis]: Using template 'affine'. 12.95/6.03 [2019-03-28 12:07:49,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.95/6.03 Termination analysis: LINEAR_WITH_GUESSES 12.95/6.03 Number of strict supporting invariants: 0 12.95/6.03 Number of non-strict supporting invariants: 1 12.95/6.03 Consider only non-deceasing supporting invariants: true 12.95/6.03 Simplify termination arguments: true 12.95/6.03 Simplify supporting invariants: trueOverapproximate stem: false 12.95/6.03 [2019-03-28 12:07:49,095 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.95/6.03 [2019-03-28 12:07:49,096 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.95/6.03 [2019-03-28 12:07:49,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.95/6.03 [2019-03-28 12:07:49,096 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.95/6.03 [2019-03-28 12:07:49,096 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.95/6.03 [2019-03-28 12:07:49,097 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.95/6.03 [2019-03-28 12:07:49,097 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.95/6.03 [2019-03-28 12:07:49,103 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.95/6.03 [2019-03-28 12:07:49,111 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 12.95/6.03 [2019-03-28 12:07:49,111 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 12.95/6.03 [2019-03-28 12:07:49,112 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.95/6.03 [2019-03-28 12:07:49,112 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.95/6.03 [2019-03-28 12:07:49,112 INFO L518 LassoAnalysis]: Proved termination. 12.95/6.03 [2019-03-28 12:07:49,112 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.95/6.03 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x 12.95/6.03 Supporting invariants [] 12.95/6.03 [2019-03-28 12:07:49,113 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.95/6.03 [2019-03-28 12:07:49,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.95/6.03 [2019-03-28 12:07:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.95/6.03 [2019-03-28 12:07:49,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 12.95/6.03 [2019-03-28 12:07:49,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.95/6.03 [2019-03-28 12:07:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.95/6.03 [2019-03-28 12:07:49,147 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 12.95/6.03 [2019-03-28 12:07:49,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.95/6.03 [2019-03-28 12:07:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.95/6.03 [2019-03-28 12:07:49,148 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 12.95/6.03 [2019-03-28 12:07:49,148 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 12.95/6.03 [2019-03-28 12:07:49,148 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 12.95/6.03 [2019-03-28 12:07:49,160 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 10 transitions. Complement of second has 4 states. 12.95/6.03 [2019-03-28 12:07:49,161 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 12.95/6.03 [2019-03-28 12:07:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 12.95/6.03 [2019-03-28 12:07:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 12.95/6.03 [2019-03-28 12:07:49,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 12.95/6.03 [2019-03-28 12:07:49,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/6.03 [2019-03-28 12:07:49,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 12.95/6.03 [2019-03-28 12:07:49,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/6.03 [2019-03-28 12:07:49,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 12.95/6.03 [2019-03-28 12:07:49,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.95/6.03 [2019-03-28 12:07:49,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 12.95/6.03 [2019-03-28 12:07:49,165 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.95/6.03 [2019-03-28 12:07:49,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. 12.95/6.03 [2019-03-28 12:07:49,165 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.95/6.03 [2019-03-28 12:07:49,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.95/6.03 [2019-03-28 12:07:49,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.95/6.03 [2019-03-28 12:07:49,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.95/6.03 [2019-03-28 12:07:49,166 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.95/6.03 [2019-03-28 12:07:49,166 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.95/6.03 [2019-03-28 12:07:49,166 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.95/6.03 [2019-03-28 12:07:49,166 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 12.95/6.03 [2019-03-28 12:07:49,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 12.95/6.03 [2019-03-28 12:07:49,166 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.95/6.03 [2019-03-28 12:07:49,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 12.95/6.03 [2019-03-28 12:07:49,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:49 BasicIcfg 12.95/6.03 [2019-03-28 12:07:49,173 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.95/6.03 [2019-03-28 12:07:49,173 INFO L168 Benchmark]: Toolchain (without parser) took 1764.77 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 560.6 MB in the beginning and 521.4 MB in the end (delta: 39.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,175 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 579.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.95 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 559.3 MB in the beginning and 650.2 MB in the end (delta: -90.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 682.6 MB. Free memory was 650.2 MB in the beginning and 648.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,177 INFO L168 Benchmark]: Boogie Preprocessor took 19.36 ms. Allocated memory is still 682.6 MB. Free memory was 648.9 MB in the beginning and 645.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,178 INFO L168 Benchmark]: RCFGBuilder took 198.10 ms. Allocated memory is still 682.6 MB. Free memory was 645.8 MB in the beginning and 632.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,178 INFO L168 Benchmark]: BlockEncodingV2 took 74.58 ms. Allocated memory is still 682.6 MB. Free memory was 632.9 MB in the beginning and 627.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,179 INFO L168 Benchmark]: TraceAbstraction took 155.07 ms. Allocated memory is still 682.6 MB. Free memory was 626.1 MB in the beginning and 617.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,180 INFO L168 Benchmark]: BuchiAutomizer took 1002.26 ms. Allocated memory is still 682.6 MB. Free memory was 617.9 MB in the beginning and 521.4 MB in the end (delta: 96.6 MB). Peak memory consumption was 96.6 MB. Max. memory is 50.3 GB. 12.95/6.03 [2019-03-28 12:07:49,184 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.95/6.03 --- Results --- 12.95/6.03 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.95/6.03 - StatisticsResult: Initial Icfg 12.95/6.03 10 locations, 14 edges 12.95/6.03 - StatisticsResult: Encoded RCFG 12.95/6.03 3 locations, 4 edges 12.95/6.03 * Results from de.uni_freiburg.informatik.ultimate.core: 12.95/6.03 - StatisticsResult: Toolchain Benchmarks 12.95/6.03 Benchmark results are: 12.95/6.03 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 579.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.95/6.03 * CACSL2BoogieTranslator took 273.95 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 559.3 MB in the beginning and 650.2 MB in the end (delta: -90.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 50.3 GB. 12.95/6.03 * Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 682.6 MB. Free memory was 650.2 MB in the beginning and 648.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.95/6.03 * Boogie Preprocessor took 19.36 ms. Allocated memory is still 682.6 MB. Free memory was 648.9 MB in the beginning and 645.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.95/6.03 * RCFGBuilder took 198.10 ms. Allocated memory is still 682.6 MB. Free memory was 645.8 MB in the beginning and 632.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.95/6.03 * BlockEncodingV2 took 74.58 ms. Allocated memory is still 682.6 MB. Free memory was 632.9 MB in the beginning and 627.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.95/6.03 * TraceAbstraction took 155.07 ms. Allocated memory is still 682.6 MB. Free memory was 626.1 MB in the beginning and 617.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 12.95/6.03 * BuchiAutomizer took 1002.26 ms. Allocated memory is still 682.6 MB. Free memory was 617.9 MB in the beginning and 521.4 MB in the end (delta: 96.6 MB). Peak memory consumption was 96.6 MB. Max. memory is 50.3 GB. 12.95/6.03 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.95/6.03 - AllSpecificationsHoldResult: All specifications hold 12.95/6.03 We were not able to verify any specifiation because the program does not contain any specification. 12.95/6.03 - InvariantResult [Line: 7]: Loop Invariant 12.95/6.03 Derived loop invariant: 1 12.95/6.03 - InvariantResult [Line: 5]: Loop Invariant 12.95/6.03 Derived loop invariant: 1 12.95/6.03 - StatisticsResult: Ultimate Automizer benchmark data 12.95/6.03 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 12.95/6.03 - StatisticsResult: Constructed decomposition of program 12.95/6.03 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 12.95/6.03 - StatisticsResult: Timing statistics 12.95/6.03 BüchiAutomizer plugin needed 0.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf93 smp100 dnf100 smp100 tf109 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 12.95/6.03 - TerminationAnalysisResult: Termination proven 12.95/6.03 Buchi Automizer proved that your program is terminating 12.95/6.03 RESULT: Ultimate proved your program to be correct! 12.95/6.03 !SESSION 2019-03-28 12:07:44.185 ----------------------------------------------- 12.95/6.03 eclipse.buildId=unknown 12.95/6.03 java.version=1.8.0_181 12.95/6.03 java.vendor=Oracle Corporation 12.95/6.03 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.95/6.03 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 12.95/6.03 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 12.95/6.03 12.95/6.03 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:07:49.416 12.95/6.03 !MESSAGE The workspace will exit with unsaved changes in this session. 12.95/6.03 Received shutdown request... 12.95/6.03 Ultimate: 12.95/6.03 GTK+ Version Check 12.95/6.03 EOF