YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 22:44:40,626 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 22:44:40,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 22:44:40,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 22:44:40,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 22:44:40,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 22:44:40,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 22:44:40,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 22:44:40,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 22:44:40,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 22:44:40,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 22:44:40,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 22:44:40,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 22:44:40,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 22:44:40,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 22:44:40,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 22:44:40,650 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 22:44:40,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 22:44:40,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 22:44:40,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 22:44:40,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 22:44:40,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 22:44:40,659 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 22:44:40,660 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 22:44:40,660 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 22:44:40,661 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 22:44:40,661 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 22:44:40,662 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 22:44:40,662 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 22:44:40,663 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 22:44:40,663 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 22:44:40,664 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 22:44:40,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 22:44:40,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 22:44:40,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 22:44:40,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 22:44:40,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 22:44:40,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 22:44:40,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 22:44:40,668 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-21 22:44:40,682 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 22:44:40,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 22:44:40,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 22:44:40,684 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 22:44:40,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 22:44:40,684 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:44:40,684 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 22:44:40,685 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 22:44:40,685 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 22:44:40,685 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 22:44:40,685 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 22:44:40,685 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 22:44:40,686 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 22:44:40,686 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 22:44:40,686 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:40,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 22:44:40,686 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 22:44:40,687 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 22:44:40,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 22:44:40,687 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 22:44:40,687 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 22:44:40,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 22:44:40,688 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 22:44:40,688 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 22:44:40,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 22:44:40,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 22:44:40,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 22:44:40,688 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 22:44:40,689 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 22:44:40,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 22:44:40,727 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 22:44:40,730 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 22:44:40,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 22:44:40,732 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 22:44:40,733 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-21 22:44:41,046 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/41829a3d0a504cf68ba5f474e7a9801e/FLAG25f3d1089 [2020-06-21 22:44:41,586 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 22:44:41,587 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-21 22:44:41,593 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/41829a3d0a504cf68ba5f474e7a9801e/FLAG25f3d1089 [2020-06-21 22:44:42,010 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/41829a3d0a504cf68ba5f474e7a9801e [2020-06-21 22:44:42,022 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 22:44:42,024 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 22:44:42,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 22:44:42,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 22:44:42,029 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 22:44:42,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f161e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 22:44:42,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 22:44:42,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:44:42,213 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 22:44:42,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:44:42,298 INFO L195 MainTranslator]: Completed translation [2020-06-21 22:44:42,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42 WrapperNode [2020-06-21 22:44:42,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 22:44:42,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 22:44:42,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 22:44:42,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 22:44:42,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 22:44:42,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 22:44:42,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 22:44:42,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 22:44:42,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 22:44:42,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 22:44:42,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 22:44:42,354 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 22:44:42,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 22:44:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 22:44:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 22:44:42,544 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 22:44:42,545 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 22:44:42,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:42 BoogieIcfgContainer [2020-06-21 22:44:42,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 22:44:42,547 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 22:44:42,547 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 22:44:42,549 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 22:44:42,550 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:42" (1/1) ... [2020-06-21 22:44:42,564 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-21 22:44:42,565 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 22:44:42,566 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 22:44:42,567 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 22:44:42,567 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:44:42,568 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 22:44:42,569 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 22:44:42,570 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 22:44:42,584 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 22:44:42,599 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-21 22:44:42,604 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 22:44:42,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:44:42,616 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-21 22:44:42,618 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-21 22:44:42,619 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:44:42,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:44:42,620 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 22:44:42,620 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:44:42,620 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-21 22:44:42,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:44:42 BasicIcfg [2020-06-21 22:44:42,621 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 22:44:42,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 22:44:42,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 22:44:42,625 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 22:44:42,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:44:42" (1/4) ... [2020-06-21 22:44:42,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d570f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (2/4) ... [2020-06-21 22:44:42,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d570f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:42" (3/4) ... [2020-06-21 22:44:42,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d570f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:44:42" (4/4) ... [2020-06-21 22:44:42,629 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:44:42,639 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 22:44:42,647 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 22:44:42,664 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 22:44:42,692 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:44:42,693 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 22:44:42,693 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 22:44:42,694 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:44:42,694 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:44:42,694 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:44:42,694 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 22:44:42,694 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:44:42,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 22:44:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-21 22:44:42,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 22:44:42,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-21 22:44:42,768 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: true [2020-06-21 22:44:42,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 22:44:42,769 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. [2020-06-21 22:44:42,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:44:42 BasicIcfg [2020-06-21 22:44:42,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 22:44:42,778 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 22:44:42,778 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 22:44:42,781 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 22:44:42,782 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:42,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 10:44:42" (1/5) ... [2020-06-21 22:44:42,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10dd1e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,783 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:42,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:42" (2/5) ... [2020-06-21 22:44:42,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10dd1e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,784 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:42,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:42" (3/5) ... [2020-06-21 22:44:42,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10dd1e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,784 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:42,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:44:42" (4/5) ... [2020-06-21 22:44:42,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10dd1e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:44:42, skipping insertion in model container [2020-06-21 22:44:42,785 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:42,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:44:42" (5/5) ... [2020-06-21 22:44:42,787 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:44:42,813 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:44:42,813 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 22:44:42,813 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 22:44:42,813 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:44:42,814 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:44:42,814 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:44:42,814 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 22:44:42,814 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:44:42,814 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 22:44:42,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 22:44:42,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:42,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:42,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:42,842 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:42,842 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:42,842 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 22:44:42,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 22:44:42,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:42,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:42,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:42,844 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:42,844 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:42,849 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L19-2true [2020-06-21 22:44:42,849 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, 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_7} AuxVars[] AssignedVars[] 5#L19true [37] L19-->L19-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 4#L19-2true [2020-06-21 22:44:42,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:42,856 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2020-06-21 22:44:42,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:42,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:42,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:42,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:42,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:42,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:42,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1897, now seen corresponding path program 1 times [2020-06-21 22:44:42,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:42,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:42,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:42,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:42,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:42,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:42,939 INFO L82 PathProgramCache]: Analyzing trace with hash 54752, now seen corresponding path program 1 times [2020-06-21 22:44:42,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:42,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:42,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:42,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:42,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:42,999 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:43,000 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:43,000 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:43,000 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:43,001 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:43,001 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:43,001 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:43,001 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:43,001 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 22:44:43,001 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:43,002 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:43,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,164 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:43,165 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 22:44:43,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:43,171 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:43,204 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:43,204 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/sandbox/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 [2020-06-21 22:44:43,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:43,210 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:43,237 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:43,237 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/sandbox/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 [2020-06-21 22:44:43,242 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:43,242 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 22:44:43,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:43,273 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:43,303 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:43,305 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:43,305 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:43,306 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:43,306 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:43,306 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:43,306 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:43,306 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:43,306 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:43,306 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 22:44:43,306 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:43,307 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:43,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,399 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:43,405 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:43,407 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 [2020-06-21 22:44:43,408 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,409 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:43,413 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:43,413 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 22:44:43,422 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,423 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 [2020-06-21 22:44:43,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,424 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:43,427 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:43,427 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 22:44:43,435 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,436 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 [2020-06-21 22:44:43,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,438 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:43,439 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:43,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,444 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 22:44:43,448 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-21 22:44:43,448 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-21 22:44:43,450 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 22:44:43,450 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 22:44:43,451 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 22:44:43,451 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-21 22:44:43,452 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 22:44:43,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:43,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 22:44:43,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:43,513 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-21 22:44:43,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 22:44:43,552 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 22:44:43,557 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-21 22:44:43,558 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-21 22:44:43,597 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 12 transitions. Complement of second has 4 states. [2020-06-21 22:44:43,598 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 [2020-06-21 22:44:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 22:44:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2020-06-21 22:44:43,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-21 22:44:43,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:43,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-21 22:44:43,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:43,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-21 22:44:43,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:43,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. [2020-06-21 22:44:43,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:43,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 12 transitions. [2020-06-21 22:44:43,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-21 22:44:43,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-21 22:44:43,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12 transitions. [2020-06-21 22:44:43,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-21 22:44:43,616 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-21 22:44:43,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 12 transitions. [2020-06-21 22:44:43,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-06-21 22:44:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-21 22:44:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2020-06-21 22:44:43,645 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-21 22:44:43,645 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-21 22:44:43,645 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-21 22:44:43,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. [2020-06-21 22:44:43,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:43,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:43,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:43,647 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-21 22:44:43,647 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:43,647 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 44#L19-2 [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, 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_7} AuxVars[] AssignedVars[] 49#L19 [31] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 45#L19-2 [2020-06-21 22:44:43,647 INFO L796 eck$LassoCheckResult]: Loop: 45#L19-2 [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, 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_7} AuxVars[] AssignedVars[] 46#L19 [37] L19-->L19-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 45#L19-2 [2020-06-21 22:44:43,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,648 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 1 times [2020-06-21 22:44:43,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:43,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:43,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:43,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1897, now seen corresponding path program 2 times [2020-06-21 22:44:43,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:43,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:43,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:43,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,667 INFO L82 PathProgramCache]: Analyzing trace with hash 52611842, now seen corresponding path program 1 times [2020-06-21 22:44:43,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:43,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:43,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,668 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:43,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,698 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:43,698 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:43,698 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:43,698 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:43,699 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:43,699 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:43,699 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:43,699 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:43,699 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 22:44:43,699 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:43,699 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:43,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,781 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:43,781 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 22:44:43,784 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:43,785 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:43,813 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:43,813 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-21 22:44:43,818 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:43,818 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:43,847 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:43,847 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:43,876 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:43,878 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:43,879 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:43,879 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:43,879 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:43,879 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:43,879 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:43,879 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:43,879 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:43,879 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 22:44:43,880 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:43,880 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:43,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,955 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:43,955 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:43,956 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 [2020-06-21 22:44:43,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,957 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:43,960 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:43,960 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 22:44:43,964 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,964 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 [2020-06-21 22:44:43,965 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,965 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,966 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,966 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:43,966 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:43,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,970 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 22:44:43,974 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-21 22:44:43,974 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-21 22:44:43,975 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 22:44:43,975 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 22:44:43,975 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 22:44:43,975 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-21 22:44:43,976 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 22:44:43,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:44,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 22:44:44,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:44,050 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-21 22:44:44,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 22:44:44,080 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 22:44:44,081 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-21 22:44:44,081 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-06-21 22:44:44,103 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 9 states and 15 transitions. Complement of second has 4 states. [2020-06-21 22:44:44,103 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 [2020-06-21 22:44:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 22:44:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2020-06-21 22:44:44,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-21 22:44:44,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:44,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-21 22:44:44,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:44,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2020-06-21 22:44:44,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:44,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 15 transitions. [2020-06-21 22:44:44,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-21 22:44:44,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 15 transitions. [2020-06-21 22:44:44,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-21 22:44:44,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-21 22:44:44,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 15 transitions. [2020-06-21 22:44:44,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-21 22:44:44,109 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. [2020-06-21 22:44:44,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 15 transitions. [2020-06-21 22:44:44,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. [2020-06-21 22:44:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-21 22:44:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2020-06-21 22:44:44,110 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-21 22:44:44,110 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-21 22:44:44,110 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-21 22:44:44,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2020-06-21 22:44:44,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-21 22:44:44,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:44,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:44,112 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:44,112 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:44,112 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L19-2 [2020-06-21 22:44:44,112 INFO L796 eck$LassoCheckResult]: Loop: 96#L19-2 [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, 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_7} AuxVars[] AssignedVars[] 98#L19 [31] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L19-2 [2020-06-21 22:44:44,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,113 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2020-06-21 22:44:44,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:44,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:44,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:44,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2020-06-21 22:44:44,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:44,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:44,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,120 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:44,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,125 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 2 times [2020-06-21 22:44:44,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:44,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:44,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:44,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,160 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:44,160 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:44,160 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:44,161 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:44,161 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:44,161 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,161 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:44,161 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:44,161 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-21 22:44:44,161 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:44,161 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:44,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,253 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:44,254 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:44,258 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:44,263 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:44,263 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,293 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:44,294 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:44,323 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:44,323 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:44,335 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,371 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:44,372 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:44,402 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:44,405 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:44,405 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:44,405 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:44,405 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:44,405 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:44,405 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:44,406 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:44,406 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:44,406 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-21 22:44:44,406 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:44,406 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:44,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,487 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:44,488 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:44,488 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 [2020-06-21 22:44:44,489 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:44,489 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:44,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:44,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:44,489 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:44,490 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:44,490 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:44,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:44,492 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 [2020-06-21 22:44:44,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:44,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:44,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:44,493 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:44,495 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:44,495 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 22:44:44,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:44,500 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 [2020-06-21 22:44:44,501 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:44,501 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:44,501 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:44,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:44,501 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:44,502 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:44,502 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:44,506 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 22:44:44,509 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-21 22:44:44,509 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-21 22:44:44,509 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 22:44:44,509 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 22:44:44,509 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 22:44:44,510 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-21 22:44:44,510 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 22:44:44,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:44,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 22:44:44,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:44,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-21 22:44:44,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 22:44:44,567 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 22:44:44,567 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-21 22:44:44,567 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-06-21 22:44:44,598 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 11 states and 20 transitions. Complement of second has 4 states. [2020-06-21 22:44:44,599 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 [2020-06-21 22:44:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 22:44:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2020-06-21 22:44:44,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-21 22:44:44,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:44,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-21 22:44:44,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:44,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-21 22:44:44,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:44,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 20 transitions. [2020-06-21 22:44:44,603 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-21 22:44:44,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-06-21 22:44:44,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-21 22:44:44,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-21 22:44:44,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-21 22:44:44,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-21 22:44:44,603 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 22:44:44,603 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 22:44:44,604 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-21 22:44:44,604 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-21 22:44:44,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-21 22:44:44,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-21 22:44:44,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-21 22:44:44,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:44:44 BasicIcfg [2020-06-21 22:44:44,611 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 22:44:44,611 INFO L168 Benchmark]: Toolchain (without parser) took 2588.72 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 565.2 MB in the beginning and 395.7 MB in the end (delta: 169.5 MB). Peak memory consumption was 186.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,613 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 22:44:44,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.69 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 565.2 MB in the beginning and 634.8 MB in the end (delta: -69.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.88 ms. Allocated memory is still 666.9 MB. Free memory was 633.7 MB in the beginning and 630.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,615 INFO L168 Benchmark]: Boogie Preprocessor took 18.93 ms. Allocated memory is still 666.9 MB. Free memory was 630.9 MB in the beginning and 629.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,615 INFO L168 Benchmark]: RCFGBuilder took 192.99 ms. Allocated memory is still 666.9 MB. Free memory was 629.8 MB in the beginning and 615.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,616 INFO L168 Benchmark]: BlockEncodingV2 took 74.32 ms. Allocated memory is still 666.9 MB. Free memory was 615.0 MB in the beginning and 610.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,616 INFO L168 Benchmark]: TraceAbstraction took 155.24 ms. Allocated memory is still 666.9 MB. Free memory was 609.6 MB in the beginning and 600.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,617 INFO L168 Benchmark]: BuchiAutomizer took 1833.05 ms. Allocated memory is still 666.9 MB. Free memory was 600.9 MB in the beginning and 395.7 MB in the end (delta: 205.1 MB). Peak memory consumption was 205.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:44,621 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 274.69 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 565.2 MB in the beginning and 634.8 MB in the end (delta: -69.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.88 ms. Allocated memory is still 666.9 MB. Free memory was 633.7 MB in the beginning and 630.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.93 ms. Allocated memory is still 666.9 MB. Free memory was 630.9 MB in the beginning and 629.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 192.99 ms. Allocated memory is still 666.9 MB. Free memory was 629.8 MB in the beginning and 615.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 74.32 ms. Allocated memory is still 666.9 MB. Free memory was 615.0 MB in the beginning and 610.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 155.24 ms. Allocated memory is still 666.9 MB. Free memory was 609.6 MB in the beginning and 600.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1833.05 ms. Allocated memory is still 666.9 MB. Free memory was 600.9 MB in the beginning and 395.7 MB in the end (delta: 205.1 MB). Peak memory consumption was 205.1 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: 18]: 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 22 SDslu, 2 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax171 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-21 22:44:37.646 ----------------------------------------------- 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/sandbox/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/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-21 22:44:44.855 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check