YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 06:45:22,406 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 06:45:22,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 06:45:22,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 06:45:22,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 06:45:22,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 06:45:22,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 06:45:22,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 06:45:22,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 06:45:22,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 06:45:22,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 06:45:22,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 06:45:22,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 06:45:22,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 06:45:22,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 06:45:22,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 06:45:22,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 06:45:22,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 06:45:22,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 06:45:22,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 06:45:22,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 06:45:22,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 06:45:22,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 06:45:22,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 06:45:22,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 06:45:22,441 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 06:45:22,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 06:45:22,442 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 06:45:22,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 06:45:22,443 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 06:45:22,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 06:45:22,444 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 06:45:22,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 06:45:22,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 06:45:22,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 06:45:22,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 06:45:22,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 06:45:22,447 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 06:45:22,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 06:45:22,448 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 06:45:22,462 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 06:45:22,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 06:45:22,463 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 06:45:22,463 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 06:45:22,464 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 06:45:22,464 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:45:22,464 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 06:45:22,464 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 06:45:22,464 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 06:45:22,464 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 06:45:22,464 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 06:45:22,465 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 06:45:22,465 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 06:45:22,465 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 06:45:22,465 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:45:22,465 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 06:45:22,465 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 06:45:22,466 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 06:45:22,466 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 06:45:22,466 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 06:45:22,466 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 06:45:22,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 06:45:22,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 06:45:22,467 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 06:45:22,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:45:22,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 06:45:22,467 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 06:45:22,467 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 06:45:22,467 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 06:45:22,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 06:45:22,505 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 06:45:22,508 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 06:45:22,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 06:45:22,510 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 06:45:22,511 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 06:45:22,577 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/15edea704cdc42f38ddd4a69139c11fc/FLAG7541468e3 [2020-06-22 06:45:22,898 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 06:45:22,899 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 06:45:22,905 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/15edea704cdc42f38ddd4a69139c11fc/FLAG7541468e3 [2020-06-22 06:45:23,308 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/15edea704cdc42f38ddd4a69139c11fc [2020-06-22 06:45:23,319 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 06:45:23,320 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 06:45:23,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 06:45:23,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 06:45:23,325 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 06:45:23,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2ed5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23, skipping insertion in model container [2020-06-22 06:45:23,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 06:45:23,353 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 06:45:23,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:45:23,510 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 06:45:23,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:45:23,593 INFO L195 MainTranslator]: Completed translation [2020-06-22 06:45:23,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23 WrapperNode [2020-06-22 06:45:23,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 06:45:23,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 06:45:23,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 06:45:23,595 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 06:45:23,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 06:45:23,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 06:45:23,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 06:45:23,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 06:45:23,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 06:45:23,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 06:45:23,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 06:45:23,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 06:45:23,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (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 06:45:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 06:45:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 06:45:23,859 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 06:45:23,859 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 06:45:23,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:45:23 BoogieIcfgContainer [2020-06-22 06:45:23,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 06:45:23,861 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 06:45:23,861 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 06:45:23,864 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 06:45:23,865 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:45:23" (1/1) ... [2020-06-22 06:45:23,879 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges [2020-06-22 06:45:23,881 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 06:45:23,881 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 06:45:23,882 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 06:45:23,882 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:45:23,884 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 06:45:23,885 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 06:45:23,885 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 06:45:23,901 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 06:45:23,909 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 06:45:23,914 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 06:45:23,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:45:23,970 INFO L100 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2020-06-22 06:45:23,973 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 06:45:23,975 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:45:23,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:45:23,975 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 06:45:23,976 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:45:23,976 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 06:45:23,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:45:23 BasicIcfg [2020-06-22 06:45:23,976 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 06:45:23,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 06:45:23,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 06:45:23,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 06:45:23,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 06:45:23" (1/4) ... [2020-06-22 06:45:23,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92c510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:45:23, skipping insertion in model container [2020-06-22 06:45:23,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (2/4) ... [2020-06-22 06:45:23,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92c510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:45:23, skipping insertion in model container [2020-06-22 06:45:23,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:45:23" (3/4) ... [2020-06-22 06:45:23,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92c510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:45:23, skipping insertion in model container [2020-06-22 06:45:23,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:45:23" (4/4) ... [2020-06-22 06:45:23,985 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:45:23,996 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 06:45:24,004 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 06:45:24,023 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 06:45:24,055 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:45:24,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 06:45:24,056 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 06:45:24,056 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:45:24,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:45:24,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:45:24,057 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 06:45:24,057 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:45:24,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 06:45:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 06:45:24,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 06:45:24,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 06:45:24,135 INFO L451 ceAbstractionStarter]: At program point L4-3(line 4) the Hoare annotation is: true [2020-06-22 06:45:24,135 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 06:45:24,160 INFO L451 ceAbstractionStarter]: At program point L5-3(line 5) the Hoare annotation is: true [2020-06-22 06:45:24,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:45:24 BasicIcfg [2020-06-22 06:45:24,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 06:45:24,169 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 06:45:24,170 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 06:45:24,173 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 06:45:24,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:45:24,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 06:45:23" (1/5) ... [2020-06-22 06:45:24,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20c8be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:45:24, skipping insertion in model container [2020-06-22 06:45:24,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:45:24,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:45:23" (2/5) ... [2020-06-22 06:45:24,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20c8be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:45:24, skipping insertion in model container [2020-06-22 06:45:24,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:45:24,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:45:23" (3/5) ... [2020-06-22 06:45:24,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20c8be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:45:24, skipping insertion in model container [2020-06-22 06:45:24,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:45:24,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:45:23" (4/5) ... [2020-06-22 06:45:24,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20c8be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:45:24, skipping insertion in model container [2020-06-22 06:45:24,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:45:24,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:45:24" (5/5) ... [2020-06-22 06:45:24,178 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:45:24,205 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:45:24,205 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 06:45:24,205 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 06:45:24,205 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:45:24,205 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:45:24,206 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:45:24,206 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 06:45:24,206 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:45:24,206 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 06:45:24,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 06:45:24,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-06-22 06:45:24,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:45:24,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:45:24,231 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 06:45:24,232 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 06:45:24,232 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 06:45:24,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 06:45:24,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-06-22 06:45:24,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:45:24,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:45:24,233 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 06:45:24,233 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 06:45:24,238 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [33] ULTIMATE.startENTRY-->L4-3: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 4#L4-3true [2020-06-22 06:45:24,239 INFO L796 eck$LassoCheckResult]: Loop: 4#L4-3true [48] L4-3-->L4-3: Formula: (and (< v_ULTIMATE.start_main_~i~0_11 100) (= (+ v_ULTIMATE.start_main_~c~0_10 1) v_ULTIMATE.start_main_~c~0_9) (= (+ v_ULTIMATE.start_main_~i~0_11 1) v_ULTIMATE.start_main_~i~0_10)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 4#L4-3true [2020-06-22 06:45:24,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:24,245 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-06-22 06:45:24,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:45:24,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:45:24,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:45:24,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:24,312 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times [2020-06-22 06:45:24,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:45:24,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:45:24,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:45:24,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:24,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2032, now seen corresponding path program 1 times [2020-06-22 06:45:24,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:45:24,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:45:24,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:45:24,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,392 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:45:24,393 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:45:24,393 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:45:24,393 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:45:24,393 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:45:24,394 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:45:24,394 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:45:24,394 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:45:24,394 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:45:24,394 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:45:24,394 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:45:24,412 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 06:45:24,423 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 06:45:24,433 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 06:45:24,481 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:45:24,482 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 06:45:24,488 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:45:24,488 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 06:45:24,525 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:45:24,526 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:45:24,566 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:45:24,566 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 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 06:45:24,593 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:45:24,593 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 06:45:24,625 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:45:24,625 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:45:24,655 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:45:24,658 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:45:24,658 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:45:24,658 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:45:24,658 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:45:24,658 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:45:24,658 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:45:24,659 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:45:24,659 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:45:24,659 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:45:24,659 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:45:24,659 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:45:24,661 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 06:45:24,665 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 06:45:24,672 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 06:45:24,730 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:45:24,735 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:45:24,737 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 06:45:24,739 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:45:24,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:45:24,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:45:24,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:45:24,740 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:45:24,742 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:45:24,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:45:24,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:45:24,749 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 06:45:24,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:45:24,750 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:45:24,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:45:24,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:45:24,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:45:24,752 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:45:24,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:45:24,758 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:45:24,763 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:45:24,763 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 06:45:24,765 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:45:24,765 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:45:24,766 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:45:24,766 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2020-06-22 06:45:24,768 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:45:24,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:45:24,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 06:45:24,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:45:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:45:24,823 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:45:24,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:45:24,825 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 06:45:24,837 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 06:45:24,842 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 06:45:24,844 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. [2020-06-22 06:45:24,867 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 6 states and 10 transitions. Complement of second has 4 states. [2020-06-22 06:45:24,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 06:45:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 06:45:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 06:45:24,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 1 letters. [2020-06-22 06:45:24,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:45:24,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 06:45:24,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:45:24,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 06:45:24,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:45:24,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 10 transitions. [2020-06-22 06:45:24,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 06:45:24,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 7 transitions. [2020-06-22 06:45:24,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 06:45:24,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 06:45:24,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2020-06-22 06:45:24,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:45:24,886 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-06-22 06:45:24,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2020-06-22 06:45:24,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. [2020-06-22 06:45:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 06:45:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2020-06-22 06:45:24,913 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2020-06-22 06:45:24,913 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2020-06-22 06:45:24,913 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 06:45:24,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. [2020-06-22 06:45:24,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 06:45:24,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:45:24,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:45:24,915 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:45:24,915 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 06:45:24,915 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L4-3: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 38#L4-3 [49] L4-3-->L5-3: Formula: (and (= 5 v_ULTIMATE.start_main_~j~0_9) (<= 100 v_ULTIMATE.start_main_~i~0_12)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 40#L5-3 [2020-06-22 06:45:24,915 INFO L796 eck$LassoCheckResult]: Loop: 40#L5-3 [50] L5-3-->L5-3: Formula: (and (< v_ULTIMATE.start_main_~j~0_11 21) (= (+ v_ULTIMATE.start_main_~c~0_12 1) v_ULTIMATE.start_main_~c~0_11) (= (+ v_ULTIMATE.start_main_~j~0_11 3) v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 40#L5-3 [2020-06-22 06:45:24,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:24,916 INFO L82 PathProgramCache]: Analyzing trace with hash 2033, now seen corresponding path program 1 times [2020-06-22 06:45:24,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:45:24,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:45:24,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:45:24,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:45:24,952 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 06:45:24,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:45:24,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 06:45:24,957 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-06-22 06:45:24,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:24,957 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times [2020-06-22 06:45:24,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:45:24,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:45:24,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:45:24,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:45:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:45:24,978 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:45:24,979 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:45:24,979 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:45:24,979 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:45:24,979 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:45:24,979 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:45:24,979 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:45:24,979 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:45:24,979 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:45:24,980 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:45:24,980 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:45:24,981 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 06:45:24,988 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 06:45:25,017 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:45:25,017 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:45:25,020 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:45:25,020 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:45:25,055 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:45:25,055 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:45:25,085 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:45:25,088 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:45:25,088 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:45:25,088 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:45:25,088 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:45:25,088 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:45:25,088 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:45:25,088 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:45:25,088 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:45:25,089 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:45:25,089 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:45:25,089 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:45:25,090 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 06:45:25,097 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 06:45:25,130 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:45:25,131 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:45:25,131 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 06:45:25,132 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:45:25,132 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:45:25,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:45:25,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:45:25,132 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:45:25,133 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:45:25,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:45:25,140 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:45:25,144 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:45:25,144 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 06:45:25,145 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:45:25,145 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:45:25,145 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:45:25,145 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 43 Supporting invariants [] [2020-06-22 06:45:25,146 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:45:25,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:45:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:45:25,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 06:45:25,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:45:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:45:25,173 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:45:25,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:45:25,174 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 06:45:25,174 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 06:45:25,175 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 06:45:25,175 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-06-22 06:45:25,179 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2020-06-22 06:45:25,179 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 [2020-06-22 06:45:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 06:45:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-06-22 06:45:25,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 06:45:25,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:45:25,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 06:45:25,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:45:25,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 06:45:25,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:45:25,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-06-22 06:45:25,183 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:45:25,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. [2020-06-22 06:45:25,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:45:25,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:45:25,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:45:25,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:45:25,184 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:45:25,184 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:45:25,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 06:45:25,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 06:45:25,187 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-06-22 06:45:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:45:25,190 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-06-22 06:45:25,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-06-22 06:45:25,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-06-22 06:45:25,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:45:25,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-06-22 06:45:25,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:45:25,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:45:25,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:45:25,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:45:25,192 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:45:25,192 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:45:25,192 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:45:25,192 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 06:45:25,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 06:45:25,193 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:45:25,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 06:45:25,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:45:25 BasicIcfg [2020-06-22 06:45:25,199 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 06:45:25,199 INFO L168 Benchmark]: Toolchain (without parser) took 1879.71 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 558.9 MB in the beginning and 520.9 MB in the end (delta: 37.9 MB). Peak memory consumption was 78.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,201 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 06:45:25,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.77 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 558.9 MB in the beginning and 656.3 MB in the end (delta: -97.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 690.0 MB. Free memory was 656.3 MB in the beginning and 655.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,203 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 690.0 MB. Free memory was 655.0 MB in the beginning and 651.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,203 INFO L168 Benchmark]: RCFGBuilder took 210.75 ms. Allocated memory is still 690.0 MB. Free memory was 651.9 MB in the beginning and 639.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,204 INFO L168 Benchmark]: BlockEncodingV2 took 115.29 ms. Allocated memory is still 690.0 MB. Free memory was 639.0 MB in the beginning and 633.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,205 INFO L168 Benchmark]: TraceAbstraction took 191.50 ms. Allocated memory is still 690.0 MB. Free memory was 633.6 MB in the beginning and 624.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,205 INFO L168 Benchmark]: BuchiAutomizer took 1029.36 ms. Allocated memory is still 690.0 MB. Free memory was 624.1 MB in the beginning and 520.9 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 50.3 GB. [2020-06-22 06:45:25,209 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 13 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 272.77 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 558.9 MB in the beginning and 656.3 MB in the end (delta: -97.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 690.0 MB. Free memory was 656.3 MB in the beginning and 655.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 690.0 MB. Free memory was 655.0 MB in the beginning and 651.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 210.75 ms. Allocated memory is still 690.0 MB. Free memory was 651.9 MB in the beginning and 639.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 115.29 ms. Allocated memory is still 690.0 MB. Free memory was 639.0 MB in the beginning and 633.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 191.50 ms. Allocated memory is still 690.0 MB. Free memory was 633.6 MB in the beginning and 624.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1029.36 ms. Allocated memory is still 690.0 MB. Free memory was 624.1 MB in the beginning and 520.9 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.1s 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 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 199 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * j + 43 and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s 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 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 06:45:20.174 ----------------------------------------------- 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 06:45:25.441 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check