13.17/6.26 YES 13.17/6.26 13.17/6.26 Ultimate: Cannot open display: 13.17/6.26 This is Ultimate 0.1.24-8dc7c08-m 13.17/6.26 [2019-03-29 02:01:45,499 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.17/6.26 [2019-03-29 02:01:45,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.17/6.26 [2019-03-29 02:01:45,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.17/6.26 [2019-03-29 02:01:45,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.17/6.26 [2019-03-29 02:01:45,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.17/6.26 [2019-03-29 02:01:45,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.17/6.26 [2019-03-29 02:01:45,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.17/6.26 [2019-03-29 02:01:45,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.17/6.26 [2019-03-29 02:01:45,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.17/6.26 [2019-03-29 02:01:45,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.17/6.26 [2019-03-29 02:01:45,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.17/6.26 [2019-03-29 02:01:45,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.17/6.26 [2019-03-29 02:01:45,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.17/6.26 [2019-03-29 02:01:45,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.17/6.26 [2019-03-29 02:01:45,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.17/6.26 [2019-03-29 02:01:45,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.17/6.26 [2019-03-29 02:01:45,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.17/6.26 [2019-03-29 02:01:45,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.17/6.26 [2019-03-29 02:01:45,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.17/6.26 [2019-03-29 02:01:45,533 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,534 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,534 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.17/6.26 [2019-03-29 02:01:45,535 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.17/6.26 [2019-03-29 02:01:45,535 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.17/6.26 [2019-03-29 02:01:45,536 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,536 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.17/6.26 [2019-03-29 02:01:45,537 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.17/6.26 [2019-03-29 02:01:45,538 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.17/6.26 [2019-03-29 02:01:45,538 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.17/6.26 [2019-03-29 02:01:45,539 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,539 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.17/6.26 [2019-03-29 02:01:45,540 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,540 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.17/6.26 [2019-03-29 02:01:45,540 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.17/6.26 [2019-03-29 02:01:45,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.17/6.26 [2019-03-29 02:01:45,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.17/6.26 [2019-03-29 02:01:45,542 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.17/6.26 [2019-03-29 02:01:45,557 INFO L110 SettingsManager]: Loading preferences was successful 13.17/6.26 [2019-03-29 02:01:45,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.17/6.26 [2019-03-29 02:01:45,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.17/6.26 [2019-03-29 02:01:45,558 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.17/6.26 [2019-03-29 02:01:45,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.17/6.26 [2019-03-29 02:01:45,558 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.17/6.26 [2019-03-29 02:01:45,559 INFO L133 SettingsManager]: * Use SBE=true 13.17/6.26 [2019-03-29 02:01:45,559 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.17/6.26 [2019-03-29 02:01:45,559 INFO L133 SettingsManager]: * Use old map elimination=false 13.17/6.26 [2019-03-29 02:01:45,559 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.17/6.26 [2019-03-29 02:01:45,559 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.17/6.26 [2019-03-29 02:01:45,559 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.17/6.26 [2019-03-29 02:01:45,560 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.17/6.26 [2019-03-29 02:01:45,560 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.17/6.26 [2019-03-29 02:01:45,560 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:45,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.17/6.26 [2019-03-29 02:01:45,560 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.17/6.26 [2019-03-29 02:01:45,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.17/6.26 [2019-03-29 02:01:45,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.17/6.26 [2019-03-29 02:01:45,561 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.17/6.26 [2019-03-29 02:01:45,561 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.17/6.26 [2019-03-29 02:01:45,561 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.17/6.26 [2019-03-29 02:01:45,561 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.17/6.26 [2019-03-29 02:01:45,562 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.17/6.26 [2019-03-29 02:01:45,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.17/6.26 [2019-03-29 02:01:45,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.17/6.26 [2019-03-29 02:01:45,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.17/6.26 [2019-03-29 02:01:45,562 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.17/6.26 [2019-03-29 02:01:45,562 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.17/6.26 [2019-03-29 02:01:45,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.17/6.26 [2019-03-29 02:01:45,600 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.17/6.26 [2019-03-29 02:01:45,604 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.17/6.26 [2019-03-29 02:01:45,605 INFO L271 PluginConnector]: Initializing CDTParser... 13.17/6.26 [2019-03-29 02:01:45,606 INFO L276 PluginConnector]: CDTParser initialized 13.17/6.26 [2019-03-29 02:01:45,606 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.26 [2019-03-29 02:01:45,670 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/fadffb4ded4c46bc9945d716b97cf59f/FLAGa6cf82931 13.17/6.26 [2019-03-29 02:01:46,008 INFO L307 CDTParser]: Found 1 translation units. 13.17/6.26 [2019-03-29 02:01:46,009 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.26 [2019-03-29 02:01:46,015 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/fadffb4ded4c46bc9945d716b97cf59f/FLAGa6cf82931 13.17/6.26 [2019-03-29 02:01:46,422 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/fadffb4ded4c46bc9945d716b97cf59f 13.17/6.26 [2019-03-29 02:01:46,433 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.17/6.26 [2019-03-29 02:01:46,435 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.17/6.26 [2019-03-29 02:01:46,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.17/6.26 [2019-03-29 02:01:46,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.17/6.26 [2019-03-29 02:01:46,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.17/6.26 [2019-03-29 02:01:46,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6ba495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:46,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.17/6.26 [2019-03-29 02:01:46,470 INFO L176 MainTranslator]: Built tables and reachable declarations 13.17/6.26 [2019-03-29 02:01:46,626 INFO L206 PostProcessor]: Analyzing one entry point: main 13.17/6.26 [2019-03-29 02:01:46,631 INFO L191 MainTranslator]: Completed pre-run 13.17/6.26 [2019-03-29 02:01:46,647 INFO L206 PostProcessor]: Analyzing one entry point: main 13.17/6.26 [2019-03-29 02:01:46,725 INFO L195 MainTranslator]: Completed translation 13.17/6.26 [2019-03-29 02:01:46,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46 WrapperNode 13.17/6.26 [2019-03-29 02:01:46,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.17/6.26 [2019-03-29 02:01:46,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.17/6.26 [2019-03-29 02:01:46,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.17/6.26 [2019-03-29 02:01:46,727 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.17/6.26 [2019-03-29 02:01:46,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.17/6.26 [2019-03-29 02:01:46,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.17/6.26 [2019-03-29 02:01:46,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.17/6.26 [2019-03-29 02:01:46,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.17/6.26 [2019-03-29 02:01:46,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.17/6.26 [2019-03-29 02:01:46,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.17/6.26 [2019-03-29 02:01:46,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.17/6.26 [2019-03-29 02:01:46,785 INFO L276 PluginConnector]: RCFGBuilder initialized 13.17/6.26 [2019-03-29 02:01:46,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (1/1) ... 13.17/6.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.26 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.17/6.26 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.17/6.26 [2019-03-29 02:01:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.17/6.26 [2019-03-29 02:01:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.17/6.26 [2019-03-29 02:01:46,977 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.17/6.26 [2019-03-29 02:01:46,977 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.17/6.26 [2019-03-29 02:01:46,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:01:46 BoogieIcfgContainer 13.17/6.26 [2019-03-29 02:01:46,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.17/6.26 [2019-03-29 02:01:46,979 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.17/6.26 [2019-03-29 02:01:46,980 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.17/6.26 [2019-03-29 02:01:46,982 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.17/6.26 [2019-03-29 02:01:46,983 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:01:46" (1/1) ... 13.17/6.26 [2019-03-29 02:01:46,998 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.17/6.26 [2019-03-29 02:01:46,999 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.17/6.26 [2019-03-29 02:01:47,000 INFO L263 BlockEncoder]: Using Maximize final states 13.17/6.26 [2019-03-29 02:01:47,001 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.17/6.26 [2019-03-29 02:01:47,001 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.17/6.26 [2019-03-29 02:01:47,003 INFO L296 BlockEncoder]: Using Remove sink states 13.17/6.26 [2019-03-29 02:01:47,004 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.17/6.26 [2019-03-29 02:01:47,004 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.17/6.26 [2019-03-29 02:01:47,018 INFO L185 BlockEncoder]: Using Use SBE 13.17/6.26 [2019-03-29 02:01:47,026 INFO L200 BlockEncoder]: SBE split 0 edges 13.17/6.26 [2019-03-29 02:01:47,031 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.17/6.26 [2019-03-29 02:01:47,032 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.17/6.26 [2019-03-29 02:01:47,045 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.17/6.26 [2019-03-29 02:01:47,047 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.17/6.26 [2019-03-29 02:01:47,049 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.17/6.26 [2019-03-29 02:01:47,049 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.17/6.26 [2019-03-29 02:01:47,049 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.17/6.26 [2019-03-29 02:01:47,049 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.17/6.26 [2019-03-29 02:01:47,049 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.17/6.26 [2019-03-29 02:01:47,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:01:47 BasicIcfg 13.17/6.26 [2019-03-29 02:01:47,050 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.17/6.26 [2019-03-29 02:01:47,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.17/6.26 [2019-03-29 02:01:47,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.17/6.26 [2019-03-29 02:01:47,054 INFO L276 PluginConnector]: TraceAbstraction initialized 13.17/6.26 [2019-03-29 02:01:47,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:01:46" (1/4) ... 13.17/6.26 [2019-03-29 02:01:47,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce69de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (2/4) ... 13.17/6.26 [2019-03-29 02:01:47,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce69de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:01:46" (3/4) ... 13.17/6.26 [2019-03-29 02:01:47,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce69de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:01:47" (4/4) ... 13.17/6.26 [2019-03-29 02:01:47,058 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.17/6.26 [2019-03-29 02:01:47,068 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.17/6.26 [2019-03-29 02:01:47,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.17/6.26 [2019-03-29 02:01:47,093 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.17/6.26 [2019-03-29 02:01:47,122 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.17/6.26 [2019-03-29 02:01:47,123 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.17/6.26 [2019-03-29 02:01:47,123 INFO L383 AbstractCegarLoop]: Hoare is true 13.17/6.26 [2019-03-29 02:01:47,123 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.17/6.26 [2019-03-29 02:01:47,123 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.17/6.26 [2019-03-29 02:01:47,123 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.17/6.26 [2019-03-29 02:01:47,123 INFO L387 AbstractCegarLoop]: Difference is false 13.17/6.26 [2019-03-29 02:01:47,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.17/6.26 [2019-03-29 02:01:47,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.17/6.26 [2019-03-29 02:01:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.17/6.26 [2019-03-29 02:01:47,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.17/6.26 [2019-03-29 02:01:47,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.17/6.26 [2019-03-29 02:01:47,196 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.17/6.26 [2019-03-29 02:01:47,196 INFO L451 ceAbstractionStarter]: At program point L28-2(lines 28 31) the Hoare annotation is: true 13.17/6.26 [2019-03-29 02:01:47,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:01:47 BasicIcfg 13.17/6.26 [2019-03-29 02:01:47,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.17/6.26 [2019-03-29 02:01:47,205 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.17/6.26 [2019-03-29 02:01:47,205 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.17/6.26 [2019-03-29 02:01:47,209 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.17/6.26 [2019-03-29 02:01:47,210 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.26 [2019-03-29 02:01:47,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:01:46" (1/5) ... 13.17/6.26 [2019-03-29 02:01:47,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219a675a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,211 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.26 [2019-03-29 02:01:47,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:01:46" (2/5) ... 13.17/6.26 [2019-03-29 02:01:47,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219a675a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,211 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.26 [2019-03-29 02:01:47,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:01:46" (3/5) ... 13.17/6.26 [2019-03-29 02:01:47,212 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219a675a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,212 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.26 [2019-03-29 02:01:47,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:01:47" (4/5) ... 13.17/6.26 [2019-03-29 02:01:47,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219a675a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:01:47, skipping insertion in model container 13.17/6.26 [2019-03-29 02:01:47,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.26 [2019-03-29 02:01:47,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:01:47" (5/5) ... 13.17/6.26 [2019-03-29 02:01:47,214 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.17/6.26 [2019-03-29 02:01:47,242 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.17/6.26 [2019-03-29 02:01:47,242 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.17/6.26 [2019-03-29 02:01:47,242 INFO L375 BuchiCegarLoop]: Hoare is true 13.17/6.26 [2019-03-29 02:01:47,243 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.17/6.26 [2019-03-29 02:01:47,243 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.17/6.26 [2019-03-29 02:01:47,243 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.17/6.26 [2019-03-29 02:01:47,243 INFO L379 BuchiCegarLoop]: Difference is false 13.17/6.26 [2019-03-29 02:01:47,243 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.17/6.26 [2019-03-29 02:01:47,244 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.17/6.26 [2019-03-29 02:01:47,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.17/6.26 [2019-03-29 02:01:47,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.17/6.26 [2019-03-29 02:01:47,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.26 [2019-03-29 02:01:47,265 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.26 [2019-03-29 02:01:47,271 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.17/6.26 [2019-03-29 02:01:47,271 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.17/6.26 [2019-03-29 02:01:47,271 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.17/6.26 [2019-03-29 02:01:47,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.17/6.26 [2019-03-29 02:01:47,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.17/6.26 [2019-03-29 02:01:47,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.26 [2019-03-29 02:01:47,272 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.26 [2019-03-29 02:01:47,272 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.17/6.26 [2019-03-29 02:01:47,273 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.17/6.26 [2019-03-29 02:01:47,278 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L28-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L28-2true 13.17/6.26 [2019-03-29 02:01:47,278 INFO L796 eck$LassoCheckResult]: Loop: 3#L28-2true [20] L28-2-->L28-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~y~0_6 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_7) (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L28-2true 13.17/6.26 [2019-03-29 02:01:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.26 [2019-03-29 02:01:47,285 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 13.17/6.26 [2019-03-29 02:01:47,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.26 [2019-03-29 02:01:47,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.26 [2019-03-29 02:01:47,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.26 [2019-03-29 02:01:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.26 [2019-03-29 02:01:47,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.26 [2019-03-29 02:01:47,361 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 13.17/6.26 [2019-03-29 02:01:47,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.26 [2019-03-29 02:01:47,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.26 [2019-03-29 02:01:47,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.26 [2019-03-29 02:01:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.26 [2019-03-29 02:01:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.26 [2019-03-29 02:01:47,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 13.17/6.26 [2019-03-29 02:01:47,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.26 [2019-03-29 02:01:47,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.26 [2019-03-29 02:01:47,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.26 [2019-03-29 02:01:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.26 [2019-03-29 02:01:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.26 [2019-03-29 02:01:47,438 INFO L216 LassoAnalysis]: Preferences: 13.17/6.26 [2019-03-29 02:01:47,439 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.17/6.26 [2019-03-29 02:01:47,439 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.17/6.26 [2019-03-29 02:01:47,440 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.17/6.26 [2019-03-29 02:01:47,440 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.17/6.26 [2019-03-29 02:01:47,440 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:47,440 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.17/6.26 [2019-03-29 02:01:47,440 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.17/6.26 [2019-03-29 02:01:47,441 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.17/6.26 [2019-03-29 02:01:47,443 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.17/6.26 [2019-03-29 02:01:47,443 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.17/6.26 [2019-03-29 02:01:47,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.26 [2019-03-29 02:01:47,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.26 [2019-03-29 02:01:47,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.26 [2019-03-29 02:01:47,562 INFO L300 LassoAnalysis]: Preprocessing complete. 13.17/6.26 [2019-03-29 02:01:47,563 INFO L412 LassoAnalysis]: Checking for nontermination... 13.17/6.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.26 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.26 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:47,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.17/6.26 [2019-03-29 02:01:47,571 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.26 [2019-03-29 02:01:47,604 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.17/6.26 [2019-03-29 02:01:47,604 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.17/6.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.26 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.26 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:47,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.17/6.26 [2019-03-29 02:01:47,613 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.26 [2019-03-29 02:01:47,641 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.17/6.26 [2019-03-29 02:01:47,641 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.17/6.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.26 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.26 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:47,647 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.17/6.26 [2019-03-29 02:01:47,648 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.26 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.26 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:47,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.17/6.26 [2019-03-29 02:01:47,685 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.26 [2019-03-29 02:01:47,783 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.17/6.26 [2019-03-29 02:01:47,786 INFO L216 LassoAnalysis]: Preferences: 13.17/6.26 [2019-03-29 02:01:47,786 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.17/6.26 [2019-03-29 02:01:47,786 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.17/6.26 [2019-03-29 02:01:47,786 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.17/6.26 [2019-03-29 02:01:47,786 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.17/6.26 [2019-03-29 02:01:47,787 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.17/6.26 [2019-03-29 02:01:47,787 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.17/6.26 [2019-03-29 02:01:47,787 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.17/6.26 [2019-03-29 02:01:47,787 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.17/6.26 [2019-03-29 02:01:47,787 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.17/6.26 [2019-03-29 02:01:47,787 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.17/6.26 [2019-03-29 02:01:47,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.26 [2019-03-29 02:01:47,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.26 [2019-03-29 02:01:47,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.26 [2019-03-29 02:01:47,900 INFO L300 LassoAnalysis]: Preprocessing complete. 13.17/6.26 [2019-03-29 02:01:47,906 INFO L497 LassoAnalysis]: Using template 'affine'. 13.17/6.26 [2019-03-29 02:01:47,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.26 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.26 Number of strict supporting invariants: 0 13.17/6.26 Number of non-strict supporting invariants: 1 13.17/6.26 Consider only non-deceasing supporting invariants: true 13.17/6.26 Simplify termination arguments: true 13.17/6.26 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.26 [2019-03-29 02:01:47,909 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.26 [2019-03-29 02:01:47,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.26 [2019-03-29 02:01:47,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.26 [2019-03-29 02:01:47,910 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.17/6.26 [2019-03-29 02:01:47,915 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.17/6.26 [2019-03-29 02:01:47,915 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.17/6.26 [2019-03-29 02:01:47,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.17/6.26 [2019-03-29 02:01:47,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.26 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.26 Number of strict supporting invariants: 0 13.17/6.26 Number of non-strict supporting invariants: 1 13.17/6.26 Consider only non-deceasing supporting invariants: true 13.17/6.26 Simplify termination arguments: true 13.17/6.26 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.26 [2019-03-29 02:01:47,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.26 [2019-03-29 02:01:47,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.26 [2019-03-29 02:01:47,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.26 [2019-03-29 02:01:47,926 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.17/6.26 [2019-03-29 02:01:47,928 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.17/6.26 [2019-03-29 02:01:47,929 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.17/6.26 [2019-03-29 02:01:47,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.17/6.26 [2019-03-29 02:01:47,937 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.26 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.26 Number of strict supporting invariants: 0 13.17/6.26 Number of non-strict supporting invariants: 1 13.17/6.26 Consider only non-deceasing supporting invariants: true 13.17/6.26 Simplify termination arguments: true 13.17/6.26 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.26 [2019-03-29 02:01:47,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.26 [2019-03-29 02:01:47,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.17/6.26 [2019-03-29 02:01:47,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.26 [2019-03-29 02:01:47,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.26 [2019-03-29 02:01:47,939 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.17/6.26 [2019-03-29 02:01:47,940 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.17/6.26 [2019-03-29 02:01:47,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.17/6.26 [2019-03-29 02:01:47,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.17/6.26 [2019-03-29 02:01:47,948 INFO L497 LassoAnalysis]: Using template '2-nested'. 13.17/6.26 [2019-03-29 02:01:47,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.26 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.26 Number of strict supporting invariants: 0 13.17/6.26 Number of non-strict supporting invariants: 1 13.17/6.26 Consider only non-deceasing supporting invariants: true 13.17/6.26 Simplify termination arguments: true 13.17/6.26 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.26 [2019-03-29 02:01:47,950 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.26 [2019-03-29 02:01:47,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.26 [2019-03-29 02:01:47,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.26 [2019-03-29 02:01:47,951 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 13.17/6.26 [2019-03-29 02:01:47,954 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 13.17/6.26 [2019-03-29 02:01:47,954 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 13.17/6.26 [2019-03-29 02:01:47,960 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.17/6.26 [2019-03-29 02:01:47,961 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.26 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.26 Number of strict supporting invariants: 0 13.17/6.26 Number of non-strict supporting invariants: 1 13.17/6.26 Consider only non-deceasing supporting invariants: true 13.17/6.26 Simplify termination arguments: true 13.17/6.26 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.26 [2019-03-29 02:01:47,962 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.26 [2019-03-29 02:01:47,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.26 [2019-03-29 02:01:47,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.26 [2019-03-29 02:01:47,962 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 13.17/6.26 [2019-03-29 02:01:47,966 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 13.17/6.26 [2019-03-29 02:01:47,966 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 13.17/6.26 [2019-03-29 02:01:47,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.17/6.26 [2019-03-29 02:01:47,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.26 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.26 Number of strict supporting invariants: 0 13.17/6.26 Number of non-strict supporting invariants: 1 13.17/6.26 Consider only non-deceasing supporting invariants: true 13.17/6.26 Simplify termination arguments: true 13.17/6.26 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.26 [2019-03-29 02:01:47,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.26 [2019-03-29 02:01:47,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.17/6.26 [2019-03-29 02:01:47,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.26 [2019-03-29 02:01:47,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.26 [2019-03-29 02:01:47,988 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 13.17/6.26 [2019-03-29 02:01:47,989 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 13.17/6.26 [2019-03-29 02:01:47,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.17/6.26 [2019-03-29 02:01:47,999 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.17/6.26 [2019-03-29 02:01:48,012 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.17/6.26 [2019-03-29 02:01:48,012 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. 13.17/6.26 [2019-03-29 02:01:48,015 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.17/6.26 [2019-03-29 02:01:48,015 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.17/6.26 [2019-03-29 02:01:48,015 INFO L518 LassoAnalysis]: Proved termination. 13.17/6.26 [2019-03-29 02:01:48,016 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.17/6.26 Ranking function 2-nested ranking function: 13.17/6.26 f0 = 2*ULTIMATE.start_main_~y~0 + 6*ULTIMATE.start_main_~x~0 + 1 13.17/6.26 f1 = 2*ULTIMATE.start_main_~x~0 + 1 13.17/6.26 Supporting invariants [] 13.17/6.26 [2019-03-29 02:01:48,018 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.17/6.26 [2019-03-29 02:01:48,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.26 [2019-03-29 02:01:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.26 [2019-03-29 02:01:48,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.17/6.26 [2019-03-29 02:01:48,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.26 [2019-03-29 02:01:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.26 [2019-03-29 02:01:48,076 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core 13.17/6.26 [2019-03-29 02:01:48,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.26 [2019-03-29 02:01:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.17/6.26 [2019-03-29 02:01:48,110 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.17/6.26 [2019-03-29 02:01:48,115 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 13.17/6.26 [2019-03-29 02:01:48,117 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.17/6.26 [2019-03-29 02:01:48,142 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 13.17/6.26 [2019-03-29 02:01:48,143 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 13.17/6.26 [2019-03-29 02:01:48,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.17/6.26 [2019-03-29 02:01:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.17/6.26 [2019-03-29 02:01:48,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.17/6.26 [2019-03-29 02:01:48,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.26 [2019-03-29 02:01:48,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.17/6.26 [2019-03-29 02:01:48,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.26 [2019-03-29 02:01:48,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.17/6.26 [2019-03-29 02:01:48,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.26 [2019-03-29 02:01:48,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.17/6.26 [2019-03-29 02:01:48,154 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.17/6.26 [2019-03-29 02:01:48,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.17/6.26 [2019-03-29 02:01:48,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.17/6.26 [2019-03-29 02:01:48,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.17/6.26 [2019-03-29 02:01:48,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.17/6.26 [2019-03-29 02:01:48,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.17/6.26 [2019-03-29 02:01:48,160 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.17/6.26 [2019-03-29 02:01:48,160 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.17/6.26 [2019-03-29 02:01:48,160 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.17/6.26 [2019-03-29 02:01:48,160 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.17/6.26 [2019-03-29 02:01:48,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.17/6.26 [2019-03-29 02:01:48,160 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.17/6.26 [2019-03-29 02:01:48,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.17/6.26 [2019-03-29 02:01:48,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:01:48 BasicIcfg 13.17/6.26 [2019-03-29 02:01:48,167 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.17/6.26 [2019-03-29 02:01:48,167 INFO L168 Benchmark]: Toolchain (without parser) took 1733.32 ms. Allocated memory was 649.6 MB in the beginning and 653.3 MB in the end (delta: 3.7 MB). Free memory was 563.6 MB in the beginning and 506.9 MB in the end (delta: 56.7 MB). Peak memory consumption was 60.3 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,169 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.75 ms. Allocated memory was 649.6 MB in the beginning and 653.3 MB in the end (delta: 3.7 MB). Free memory was 563.6 MB in the beginning and 620.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 653.3 MB. Free memory was 620.0 MB in the beginning and 618.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,171 INFO L168 Benchmark]: Boogie Preprocessor took 20.55 ms. Allocated memory is still 653.3 MB. Free memory was 618.9 MB in the beginning and 616.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,172 INFO L168 Benchmark]: RCFGBuilder took 193.83 ms. Allocated memory is still 653.3 MB. Free memory was 616.0 MB in the beginning and 603.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,173 INFO L168 Benchmark]: BlockEncodingV2 took 70.87 ms. Allocated memory is still 653.3 MB. Free memory was 603.3 MB in the beginning and 597.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,173 INFO L168 Benchmark]: TraceAbstraction took 153.72 ms. Allocated memory is still 653.3 MB. Free memory was 597.9 MB in the beginning and 589.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,174 INFO L168 Benchmark]: BuchiAutomizer took 961.36 ms. Allocated memory is still 653.3 MB. Free memory was 589.3 MB in the beginning and 506.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 50.3 GB. 13.17/6.26 [2019-03-29 02:01:48,178 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.17/6.26 --- Results --- 13.17/6.26 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.17/6.26 - StatisticsResult: Initial Icfg 13.17/6.26 6 locations, 7 edges 13.17/6.26 - StatisticsResult: Encoded RCFG 13.17/6.26 2 locations, 2 edges 13.17/6.26 * Results from de.uni_freiburg.informatik.ultimate.core: 13.17/6.26 - StatisticsResult: Toolchain Benchmarks 13.17/6.26 Benchmark results are: 13.17/6.26 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.17/6.26 * CACSL2BoogieTranslator took 290.75 ms. Allocated memory was 649.6 MB in the beginning and 653.3 MB in the end (delta: 3.7 MB). Free memory was 563.6 MB in the beginning and 620.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. 13.17/6.26 * Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 653.3 MB. Free memory was 620.0 MB in the beginning and 618.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.17/6.26 * Boogie Preprocessor took 20.55 ms. Allocated memory is still 653.3 MB. Free memory was 618.9 MB in the beginning and 616.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.17/6.26 * RCFGBuilder took 193.83 ms. Allocated memory is still 653.3 MB. Free memory was 616.0 MB in the beginning and 603.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 50.3 GB. 13.17/6.26 * BlockEncodingV2 took 70.87 ms. Allocated memory is still 653.3 MB. Free memory was 603.3 MB in the beginning and 597.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.17/6.26 * TraceAbstraction took 153.72 ms. Allocated memory is still 653.3 MB. Free memory was 597.9 MB in the beginning and 589.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.17/6.26 * BuchiAutomizer took 961.36 ms. Allocated memory is still 653.3 MB. Free memory was 589.3 MB in the beginning and 506.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 50.3 GB. 13.17/6.26 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.17/6.26 - AllSpecificationsHoldResult: All specifications hold 13.17/6.26 We were not able to verify any specifiation because the program does not contain any specification. 13.17/6.26 - InvariantResult [Line: 28]: Loop Invariant 13.17/6.26 Derived loop invariant: 1 13.17/6.26 - StatisticsResult: Ultimate Automizer benchmark data 13.17/6.26 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.17/6.26 - StatisticsResult: Constructed decomposition of program 13.17/6.26 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if 2 * y + 6 * x + 1 > 0 then 1 else 0), (if 2 * y + 6 * x + 1 > 0 then 2 * y + 6 * x + 1 else 2 * x + 1) and consists of 2 locations. 13.17/6.26 - StatisticsResult: Timing statistics 13.17/6.26 BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf103 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf93 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.17/6.26 - TerminationAnalysisResult: Termination proven 13.17/6.26 Buchi Automizer proved that your program is terminating 13.17/6.26 RESULT: Ultimate proved your program to be correct! 13.17/6.26 !SESSION 2019-03-29 02:01:43.167 ----------------------------------------------- 13.17/6.26 eclipse.buildId=unknown 13.17/6.26 java.version=1.8.0_181 13.17/6.26 java.vendor=Oracle Corporation 13.17/6.26 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.17/6.26 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.26 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 13.17/6.26 13.17/6.26 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:01:48.410 13.17/6.26 !MESSAGE The workspace will exit with unsaved changes in this session. 13.17/6.26 Received shutdown request... 13.17/6.26 Ultimate: 13.17/6.26 GTK+ Version Check 13.17/6.26 EOF