YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 11:19:23,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 11:19:23,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 11:19:23,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 11:19:23,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 11:19:23,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 11:19:23,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 11:19:23,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 11:19:23,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 11:19:23,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 11:19:23,882 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 11:19:23,882 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 11:19:23,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 11:19:23,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 11:19:23,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 11:19:23,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 11:19:23,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 11:19:23,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 11:19:23,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 11:19:23,892 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 11:19:23,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 11:19:23,894 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 11:19:23,896 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 11:19:23,896 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 11:19:23,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 11:19:23,897 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 11:19:23,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 11:19:23,898 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 11:19:23,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 11:19:23,899 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 11:19:23,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 11:19:23,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 11:19:23,902 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 11:19:23,902 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 11:19:23,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 11:19:23,903 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 11:19:23,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 11:19:23,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 11:19:23,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 11:19:23,905 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 11:19:23,920 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 11:19:23,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 11:19:23,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 11:19:23,922 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 11:19:23,922 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 11:19:23,922 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:19:23,922 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 11:19:23,922 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 11:19:23,923 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 11:19:23,923 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 11:19:23,923 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 11:19:23,923 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 11:19:23,923 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 11:19:23,923 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 11:19:23,924 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:19:23,924 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 11:19:23,924 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 11:19:23,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 11:19:23,924 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 11:19:23,924 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 11:19:23,925 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 11:19:23,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 11:19:23,925 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 11:19:23,925 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 11:19:23,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:19:23,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 11:19:23,926 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 11:19:23,926 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 11:19:23,926 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 11:19:23,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 11:19:23,964 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 11:19:23,968 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 11:19:23,969 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 11:19:23,970 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 11:19:23,970 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 11:19:24,035 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/bb71ae43ad2c4e6ca703c4b62718e63a/FLAGef0fc5a9e [2020-06-22 11:19:24,377 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 11:19:24,378 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 11:19:24,385 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/bb71ae43ad2c4e6ca703c4b62718e63a/FLAGef0fc5a9e [2020-06-22 11:19:24,777 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/bb71ae43ad2c4e6ca703c4b62718e63a [2020-06-22 11:19:24,789 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 11:19:24,790 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 11:19:24,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 11:19:24,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 11:19:24,795 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 11:19:24,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:19:24" (1/1) ... [2020-06-22 11:19:24,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6563f600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:24, skipping insertion in model container [2020-06-22 11:19:24,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:19:24" (1/1) ... [2020-06-22 11:19:24,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 11:19:24,826 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 11:19:24,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:19:24,989 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 11:19:25,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:19:25,087 INFO L195 MainTranslator]: Completed translation [2020-06-22 11:19:25,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25 WrapperNode [2020-06-22 11:19:25,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 11:19:25,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 11:19:25,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 11:19:25,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 11:19:25,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 11:19:25,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 11:19:25,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 11:19:25,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 11:19:25,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 11:19:25,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 11:19:25,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 11:19:25,142 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 11:19:25,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:19:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 11:19:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 11:19:25,332 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 11:19:25,332 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 11:19:25,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:19:25 BoogieIcfgContainer [2020-06-22 11:19:25,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 11:19:25,334 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 11:19:25,334 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 11:19:25,336 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 11:19:25,337 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:19:25" (1/1) ... [2020-06-22 11:19:25,351 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges [2020-06-22 11:19:25,352 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 11:19:25,353 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 11:19:25,354 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 11:19:25,354 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:19:25,356 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 11:19:25,357 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 11:19:25,357 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 11:19:25,372 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 11:19:25,387 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 11:19:25,391 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 11:19:25,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:19:25,404 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 11:19:25,406 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-06-22 11:19:25,407 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 11:19:25,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:19:25,407 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 11:19:25,407 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 11:19:25,408 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 11:19:25,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:19:25 BasicIcfg [2020-06-22 11:19:25,408 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 11:19:25,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 11:19:25,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 11:19:25,413 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 11:19:25,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 11:19:24" (1/4) ... [2020-06-22 11:19:25,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211858d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (2/4) ... [2020-06-22 11:19:25,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211858d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:19:25" (3/4) ... [2020-06-22 11:19:25,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211858d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:19:25" (4/4) ... [2020-06-22 11:19:25,416 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:19:25,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 11:19:25,434 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 11:19:25,451 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 11:19:25,480 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:19:25,481 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 11:19:25,481 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 11:19:25,481 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:19:25,481 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:19:25,481 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:19:25,482 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 11:19:25,482 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:19:25,482 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 11:19:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 11:19:25,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 11:19:25,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 11:19:25,556 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 11:19:25,556 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 15) the Hoare annotation is: true [2020-06-22 11:19:25,556 INFO L451 ceAbstractionStarter]: At program point L12-3(lines 11 16) the Hoare annotation is: true [2020-06-22 11:19:25,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:19:25 BasicIcfg [2020-06-22 11:19:25,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 11:19:25,566 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 11:19:25,566 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 11:19:25,569 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 11:19:25,570 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:19:25,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 11:19:24" (1/5) ... [2020-06-22 11:19:25,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@adbf45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:19:25,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:19:25" (2/5) ... [2020-06-22 11:19:25,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@adbf45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:19:25,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:19:25" (3/5) ... [2020-06-22 11:19:25,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@adbf45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:19:25,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:19:25" (4/5) ... [2020-06-22 11:19:25,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@adbf45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:19:25, skipping insertion in model container [2020-06-22 11:19:25,573 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:19:25,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:19:25" (5/5) ... [2020-06-22 11:19:25,575 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:19:25,601 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:19:25,601 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 11:19:25,601 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 11:19:25,602 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:19:25,602 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:19:25,602 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:19:25,602 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 11:19:25,602 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:19:25,602 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 11:19:25,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 11:19:25,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:19:25,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:19:25,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:19:25,628 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:19:25,628 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 11:19:25,628 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 11:19:25,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 11:19:25,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:19:25,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:19:25,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:19:25,629 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:19:25,630 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 11:19:25,635 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [33] ULTIMATE.startENTRY-->L12-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L12-3true [2020-06-22 11:19:25,635 INFO L796 eck$LassoCheckResult]: Loop: 5#L12-3true [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 3#L12-2true [41] L12-2-->L12-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 5#L12-3true [2020-06-22 11:19:25,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:19:25,641 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-06-22 11:19:25,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:19:25,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:19:25,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:19:25,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:19:25,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2180, now seen corresponding path program 1 times [2020-06-22 11:19:25,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:19:25,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:19:25,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:19:25,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:19:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 11:19:25,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 11:19:25,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 11:19:25,768 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 11:19:25,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 11:19:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 11:19:25,785 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. [2020-06-22 11:19:25,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 11:19:25,803 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. [2020-06-22 11:19:25,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 11:19:25,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. [2020-06-22 11:19:25,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:19:25,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. [2020-06-22 11:19:25,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 11:19:25,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 11:19:25,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2020-06-22 11:19:25,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 11:19:25,814 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-06-22 11:19:25,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2020-06-22 11:19:25,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2020-06-22 11:19:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 11:19:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2020-06-22 11:19:25,843 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-06-22 11:19:25,844 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-06-22 11:19:25,844 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 11:19:25,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2020-06-22 11:19:25,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 11:19:25,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:19:25,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:19:25,845 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:19:25,845 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 11:19:25,845 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L12-3: 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_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 19#L12-3 [2020-06-22 11:19:25,846 INFO L796 eck$LassoCheckResult]: Loop: 19#L12-3 [38] L12-3-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 16#L12-2 [32] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 17#L12-2 [41] L12-2-->L12-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 19#L12-3 [2020-06-22 11:19:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:19:25,846 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 2 times [2020-06-22 11:19:25,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:19:25,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:19:25,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:19:25,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:19:25,853 INFO L82 PathProgramCache]: Analyzing trace with hash 67342, now seen corresponding path program 1 times [2020-06-22 11:19:25,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:19:25,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:19:25,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,854 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:19:25,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:19:25,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1944175, now seen corresponding path program 1 times [2020-06-22 11:19:25,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:19:25,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:19:25,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:19:25,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:19:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:19:25,949 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:19:25,950 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:19:25,950 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:19:25,951 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:19:25,951 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:19:25,951 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:19:25,951 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:19:25,951 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:19:25,951 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 11:19:25,952 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:19:25,952 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:19:25,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:19:25,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:19:25,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:19:26,137 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:19:26,138 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:19:26,145 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:19:26,145 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:19:26,178 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:19:26,178 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:19:26,185 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:19:26,186 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:19:26,213 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:19:26,213 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:19:26,219 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:19:26,219 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:19:26,254 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:19:26,254 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:19:26,295 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:19:26,298 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:19:26,298 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:19:26,298 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:19:26,298 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:19:26,299 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:19:26,299 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:19:26,299 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:19:26,299 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:19:26,299 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 11:19:26,299 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:19:26,299 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:19:26,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:19:26,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:19:26,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:19:26,389 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:19:26,395 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:19:26,397 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 11:19:26,399 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:19:26,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:19:26,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:19:26,399 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:19:26,404 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:19:26,404 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:19:26,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:19:26,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 11:19:26,413 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:19:26,413 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:19:26,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:19:26,414 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:19:26,416 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:19:26,417 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:19:26,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:19:26,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 11:19:26,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:19:26,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:19:26,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:19:26,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:19:26,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:19:26,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:19:26,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:19:26,438 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 11:19:26,444 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 11:19:26,444 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 11:19:26,446 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 11:19:26,447 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 11:19:26,447 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 11:19:26,447 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 11:19:26,449 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 11:19:26,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:19:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:19:26,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:19:26,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:19:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:19:26,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:19:26,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:19:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 11:19:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:19:26,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:19:26,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:19:26,542 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 11:19:26,545 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 11:19:26,546 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-06-22 11:19:26,588 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 10 states and 12 transitions. Complement of second has 7 states. [2020-06-22 11:19:26,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-06-22 11:19:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 11:19:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2020-06-22 11:19:26,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 1 letters. Loop has 3 letters. [2020-06-22 11:19:26,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:19:26,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2020-06-22 11:19:26,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:19:26,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 1 letters. Loop has 6 letters. [2020-06-22 11:19:26,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:19:26,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2020-06-22 11:19:26,600 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 11:19:26,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2020-06-22 11:19:26,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 11:19:26,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 11:19:26,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 11:19:26,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 11:19:26,601 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 11:19:26,601 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 11:19:26,601 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 11:19:26,602 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 11:19:26,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 11:19:26,602 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 11:19:26,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 11:19:26,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:19:26 BasicIcfg [2020-06-22 11:19:26,608 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 11:19:26,608 INFO L168 Benchmark]: Toolchain (without parser) took 1819.35 ms. Allocated memory was 514.9 MB in the beginning and 576.7 MB in the end (delta: 61.9 MB). Free memory was 437.6 MB in the beginning and 424.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 75.0 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,610 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 459.6 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 11:19:26,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.97 ms. Allocated memory was 514.9 MB in the beginning and 576.7 MB in the end (delta: 61.9 MB). Free memory was 436.9 MB in the beginning and 547.8 MB in the end (delta: -110.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 576.7 MB. Free memory was 547.8 MB in the beginning and 546.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,612 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 ms. Allocated memory is still 576.7 MB. Free memory was 546.1 MB in the beginning and 545.3 MB in the end (delta: 836.4 kB). Peak memory consumption was 836.4 kB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,613 INFO L168 Benchmark]: RCFGBuilder took 192.19 ms. Allocated memory is still 576.7 MB. Free memory was 545.3 MB in the beginning and 534.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,613 INFO L168 Benchmark]: BlockEncodingV2 took 74.53 ms. Allocated memory is still 576.7 MB. Free memory was 534.1 MB in the beginning and 529.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,614 INFO L168 Benchmark]: TraceAbstraction took 155.58 ms. Allocated memory is still 576.7 MB. Free memory was 529.1 MB in the beginning and 519.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,614 INFO L168 Benchmark]: BuchiAutomizer took 1042.49 ms. Allocated memory is still 576.7 MB. Free memory was 519.8 MB in the beginning and 424.5 MB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 50.3 GB. [2020-06-22 11:19:26,619 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 10 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 459.6 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 296.97 ms. Allocated memory was 514.9 MB in the beginning and 576.7 MB in the end (delta: 61.9 MB). Free memory was 436.9 MB in the beginning and 547.8 MB in the end (delta: -110.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 576.7 MB. Free memory was 547.8 MB in the beginning and 546.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.88 ms. Allocated memory is still 576.7 MB. Free memory was 546.1 MB in the beginning and 545.3 MB in the end (delta: 836.4 kB). Peak memory consumption was 836.4 kB. Max. memory is 50.3 GB. * RCFGBuilder took 192.19 ms. Allocated memory is still 576.7 MB. Free memory was 545.3 MB in the beginning and 534.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 74.53 ms. Allocated memory is still 576.7 MB. Free memory was 534.1 MB in the beginning and 529.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 50.3 GB. * TraceAbstraction took 155.58 ms. Allocated memory is still 576.7 MB. Free memory was 529.1 MB in the beginning and 519.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1042.49 ms. Allocated memory is still 576.7 MB. Free memory was 519.8 MB in the beginning and 424.5 MB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data 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 - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 3 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 5 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp85 dnf100 smp100 tf106 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 11:19:21.532 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 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 !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 11:19:26.852 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check