YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 04:56:23,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 04:56:23,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 04:56:23,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 04:56:23,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 04:56:23,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 04:56:23,700 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 04:56:23,701 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 04:56:23,703 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 04:56:23,704 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 04:56:23,705 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 04:56:23,705 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 04:56:23,706 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 04:56:23,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 04:56:23,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 04:56:23,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 04:56:23,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 04:56:23,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 04:56:23,713 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 04:56:23,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 04:56:23,715 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 04:56:23,716 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 04:56:23,718 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 04:56:23,718 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 04:56:23,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 04:56:23,719 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 04:56:23,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 04:56:23,721 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 04:56:23,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 04:56:23,721 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 04:56:23,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 04:56:23,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 04:56:23,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 04:56:23,724 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 04:56:23,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 04:56:23,725 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 04:56:23,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 04:56:23,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 04:56:23,726 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 04:56:23,726 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 04:56:23,741 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 04:56:23,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 04:56:23,742 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 04:56:23,743 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 04:56:23,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 04:56:23,743 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:56:23,743 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 04:56:23,743 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 04:56:23,744 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 04:56:23,744 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 04:56:23,744 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 04:56:23,744 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 04:56:23,744 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 04:56:23,745 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 04:56:23,745 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:23,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 04:56:23,745 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 04:56:23,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 04:56:23,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 04:56:23,746 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 04:56:23,746 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 04:56:23,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 04:56:23,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 04:56:23,746 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 04:56:23,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:56:23,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 04:56:23,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 04:56:23,747 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 04:56:23,747 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 04:56:23,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 04:56:23,786 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 04:56:23,789 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 04:56:23,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 04:56:23,791 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 04:56:23,792 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 04:56:23,848 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/d23667c4ec4b4f2ba63ba9f550904478/FLAGbbcf5e318 [2020-06-22 04:56:24,189 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 04:56:24,190 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 04:56:24,197 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/d23667c4ec4b4f2ba63ba9f550904478/FLAGbbcf5e318 [2020-06-22 04:56:24,623 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/d23667c4ec4b4f2ba63ba9f550904478 [2020-06-22 04:56:24,634 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 04:56:24,636 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 04:56:24,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 04:56:24,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 04:56:24,640 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 04:56:24,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364b55dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24, skipping insertion in model container [2020-06-22 04:56:24,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 04:56:24,669 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 04:56:24,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:56:24,832 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 04:56:24,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:56:24,929 INFO L195 MainTranslator]: Completed translation [2020-06-22 04:56:24,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24 WrapperNode [2020-06-22 04:56:24,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 04:56:24,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 04:56:24,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 04:56:24,931 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 04:56:24,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 04:56:24,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 04:56:24,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 04:56:24,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 04:56:24,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... [2020-06-22 04:56:24,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 04:56:24,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 04:56:24,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 04:56:24,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 04:56:24,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:56:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 04:56:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 04:56:25,206 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 04:56:25,206 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 04:56:25,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:56:25 BoogieIcfgContainer [2020-06-22 04:56:25,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 04:56:25,208 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 04:56:25,208 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 04:56:25,211 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 04:56:25,211 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:56:25" (1/1) ... [2020-06-22 04:56:25,227 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges [2020-06-22 04:56:25,229 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 04:56:25,230 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 04:56:25,230 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 04:56:25,231 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:56:25,232 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 04:56:25,233 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 04:56:25,234 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 04:56:25,250 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 04:56:25,267 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 04:56:25,272 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 04:56:25,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:56:25,289 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 04:56:25,291 INFO L70 RemoveSinkStates]: Removed 6 edges and 2 locations by removing sink states [2020-06-22 04:56:25,293 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:56:25,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:56:25,297 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 04:56:25,297 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:56:25,298 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:56:25,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:56:25,298 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 04:56:25,298 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:56:25,299 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 04:56:25,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:56:25 BasicIcfg [2020-06-22 04:56:25,299 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 04:56:25,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 04:56:25,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 04:56:25,304 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 04:56:25,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 04:56:24" (1/4) ... [2020-06-22 04:56:25,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0e4076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (2/4) ... [2020-06-22 04:56:25,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0e4076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:56:25" (3/4) ... [2020-06-22 04:56:25,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0e4076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:56:25" (4/4) ... [2020-06-22 04:56:25,309 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:56:25,321 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 04:56:25,330 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 04:56:25,348 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 04:56:25,376 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:56:25,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 04:56:25,377 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 04:56:25,377 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:56:25,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:56:25,378 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:56:25,378 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 04:56:25,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:56:25,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 04:56:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 04:56:25,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 04:56:25,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 04:56:25,451 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 04:56:25,451 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 27) the Hoare annotation is: true [2020-06-22 04:56:25,451 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 29) the Hoare annotation is: true [2020-06-22 04:56:25,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:56:25 BasicIcfg [2020-06-22 04:56:25,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 04:56:25,460 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 04:56:25,460 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 04:56:25,463 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 04:56:25,464 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:56:25,464 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 04:56:24" (1/5) ... [2020-06-22 04:56:25,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e0d931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,465 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:56:25,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:56:24" (2/5) ... [2020-06-22 04:56:25,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e0d931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,466 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:56:25,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:56:25" (3/5) ... [2020-06-22 04:56:25,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e0d931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,466 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:56:25,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:56:25" (4/5) ... [2020-06-22 04:56:25,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e0d931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:56:25, skipping insertion in model container [2020-06-22 04:56:25,467 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:56:25,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:56:25" (5/5) ... [2020-06-22 04:56:25,469 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:56:25,496 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:56:25,496 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 04:56:25,496 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 04:56:25,496 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:56:25,496 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:56:25,496 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:56:25,497 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 04:56:25,497 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:56:25,497 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 04:56:25,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 04:56:25,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:56:25,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:56:25,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:56:25,526 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 04:56:25,526 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:56:25,526 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 04:56:25,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 04:56:25,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:56:25,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:56:25,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:56:25,527 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 04:56:25,527 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:56:25,533 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [59] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_12 10000) (<= v_ULTIMATE.start_main_~z~0_10 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_12 10000)) (<= v_ULTIMATE.start_main_~y~0_15 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 5#L22-2true [2020-06-22 04:56:25,533 INFO L796 eck$LassoCheckResult]: Loop: 5#L22-2true [48] L22-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (<= 1 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_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~x~0] 4#L24-2true [58] L24-2-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_14) (= (+ v_ULTIMATE.start_main_~y~0_14 v_ULTIMATE.start_main_~x~0_11) v_ULTIMATE.start_main_~y~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 5#L22-2true [2020-06-22 04:56:25,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:25,539 INFO L82 PathProgramCache]: Analyzing trace with hash 90, now seen corresponding path program 1 times [2020-06-22 04:56:25,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:25,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:25,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:25,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:25,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:25,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:25,609 INFO L82 PathProgramCache]: Analyzing trace with hash 2507, now seen corresponding path program 1 times [2020-06-22 04:56:25,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:25,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:25,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:25,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:25,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:25,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:25,624 INFO L82 PathProgramCache]: Analyzing trace with hash 88036, now seen corresponding path program 1 times [2020-06-22 04:56:25,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:25,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:25,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:25,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:25,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:25,686 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:25,687 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:25,688 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:25,688 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:25,688 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:56:25,688 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:25,688 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:25,689 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:25,689 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:56:25,689 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:25,690 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:25,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:25,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:25,780 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:25,781 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:25,787 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:25,787 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:25,821 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:56:25,821 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:28,028 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:56:28,031 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:28,031 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:28,031 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:28,031 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:28,032 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:56:28,032 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:56:28,032 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:28,032 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:28,032 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:56:28,032 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:28,032 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:28,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:28,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:28,119 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:28,125 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:56:28,126 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:28,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:28,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:28,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:28,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:28,129 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:28,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:28,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:28,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:28,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:28,147 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:28,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:28,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:28,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:28,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:28,148 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:28,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:28,149 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:28,150 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 04:56:28,150 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:28,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:28,151 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:28,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:28,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:28,151 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 04:56:28,153 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 04:56:28,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:28,167 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:56:28,188 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-06-22 04:56:28,189 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 3 variables to zero. [2020-06-22 04:56:28,191 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:56:28,191 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:56:28,191 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:56:28,192 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*ULTIMATE.start_main_~x~0 f1 = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 04:56:28,193 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:56:28,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:28,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:56:28,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:28,249 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 04:56:28,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:56:28,567 INFO L98 LoopCannibalizer]: 12 predicates before loop cannibalization 12 predicates after loop cannibalization [2020-06-22 04:56:28,572 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 12 loop predicates [2020-06-22 04:56:28,574 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 04:56:29,147 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 19 states and 30 transitions. Complement of second has 18 states. [2020-06-22 04:56:29,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2020-06-22 04:56:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:56:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 19 transitions. [2020-06-22 04:56:29,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 04:56:29,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:29,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 04:56:29,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:29,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 04:56:29,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:29,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 30 transitions. [2020-06-22 04:56:29,163 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-06-22 04:56:29,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 12 states and 18 transitions. [2020-06-22 04:56:29,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-06-22 04:56:29,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-06-22 04:56:29,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2020-06-22 04:56:29,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:56:29,169 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2020-06-22 04:56:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2020-06-22 04:56:29,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2020-06-22 04:56:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 04:56:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 04:56:29,198 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 04:56:29,199 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 04:56:29,199 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 04:56:29,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-06-22 04:56:29,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:56:29,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:56:29,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:56:29,200 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 04:56:29,200 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 04:56:29,201 INFO L794 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRY [59] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_12 10000) (<= v_ULTIMATE.start_main_~z~0_10 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_12 10000)) (<= v_ULTIMATE.start_main_~y~0_15 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 98#L22-2 [48] L22-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (<= 1 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_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~x~0] 99#L24-2 [40] L24-2-->L24-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_9 1) v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_7 1)) (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 100#L24-2 [2020-06-22 04:56:29,201 INFO L796 eck$LassoCheckResult]: Loop: 100#L24-2 [40] L24-2-->L24-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_9 1) v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_7 1)) (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 100#L24-2 [2020-06-22 04:56:29,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,202 INFO L82 PathProgramCache]: Analyzing trace with hash 88018, now seen corresponding path program 1 times [2020-06-22 04:56:29,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:29,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:29,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:29,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,212 INFO L82 PathProgramCache]: Analyzing trace with hash 71, now seen corresponding path program 1 times [2020-06-22 04:56:29,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:29,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:29,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:29,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,220 INFO L82 PathProgramCache]: Analyzing trace with hash 2728598, now seen corresponding path program 2 times [2020-06-22 04:56:29,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:29,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:29,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:29,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,246 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:29,246 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:29,246 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:29,247 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:29,247 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:56:29,247 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:29,247 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:29,247 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:29,247 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:56:29,248 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:29,248 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:29,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,286 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:29,287 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-06-22 04:56:29,292 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:29,292 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:29,298 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:56:29,298 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:29,325 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:29,325 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:29,329 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:56:29,329 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:29,359 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:29,359 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:29,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:56:29,390 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:29,618 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:56:29,620 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:29,621 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:29,621 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:29,621 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:29,621 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:56:29,621 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:56:29,621 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:29,621 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:29,621 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:56:29,622 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:29,622 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:29,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,661 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:29,662 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:56:29,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:29,664 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:29,664 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:29,664 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:29,664 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:29,664 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:29,665 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:29,665 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:29,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:29,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:29,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:29,668 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:29,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:29,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:29,668 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:29,668 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:29,669 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:29,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:29,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:29,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:29,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:29,671 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:29,671 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:29,671 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:29,671 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:29,672 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:29,675 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:56:29,680 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 04:56:29,680 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:56:29,681 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:56:29,681 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:56:29,681 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:56:29,681 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2020-06-22 04:56:29,698 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:56:29,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:29,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:56:29,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:29,734 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:56:29,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:56:29,735 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 04:56:29,735 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 04:56:29,735 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 2 states. [2020-06-22 04:56:29,742 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 10 states and 15 transitions. Complement of second has 2 states. [2020-06-22 04:56:29,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-22 04:56:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 04:56:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-06-22 04:56:29,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 04:56:29,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:29,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 4 letters. Loop has 1 letters. [2020-06-22 04:56:29,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:29,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 04:56:29,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:29,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. [2020-06-22 04:56:29,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 04:56:29,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 15 transitions. [2020-06-22 04:56:29,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-06-22 04:56:29,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-06-22 04:56:29,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2020-06-22 04:56:29,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:56:29,748 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2020-06-22 04:56:29,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2020-06-22 04:56:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-06-22 04:56:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-22 04:56:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2020-06-22 04:56:29,750 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. [2020-06-22 04:56:29,750 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. [2020-06-22 04:56:29,750 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 04:56:29,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 14 transitions. [2020-06-22 04:56:29,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 04:56:29,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:56:29,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:56:29,751 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 04:56:29,751 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 04:56:29,752 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY [59] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_12 10000) (<= v_ULTIMATE.start_main_~z~0_10 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_12 10000)) (<= v_ULTIMATE.start_main_~y~0_15 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 143#L22-2 [48] L22-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (<= 1 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_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~x~0] 144#L24-2 [40] L24-2-->L24-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_9 1) v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_7 1)) (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 145#L24-2 [2020-06-22 04:56:29,752 INFO L796 eck$LassoCheckResult]: Loop: 145#L24-2 [58] L24-2-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_14) (= (+ v_ULTIMATE.start_main_~y~0_14 v_ULTIMATE.start_main_~x~0_11) v_ULTIMATE.start_main_~y~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 147#L22-2 [48] L22-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (<= 1 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_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~x~0] 148#L24-2 [40] L24-2-->L24-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_9 1) v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_7 1)) (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 145#L24-2 [2020-06-22 04:56:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,752 INFO L82 PathProgramCache]: Analyzing trace with hash 88018, now seen corresponding path program 3 times [2020-06-22 04:56:29,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:29,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:29,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,754 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:56:29,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,762 INFO L82 PathProgramCache]: Analyzing trace with hash 87057, now seen corresponding path program 1 times [2020-06-22 04:56:29,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:29,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:29,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,763 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:56:29,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:29,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1672765792, now seen corresponding path program 1 times [2020-06-22 04:56:29,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:29,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:29,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:29,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:29,813 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:29,814 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:29,814 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:29,814 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:29,814 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:56:29,814 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:29,814 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:29,814 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:29,815 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 04:56:29,815 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:29,815 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:29,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:29,912 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:29,912 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/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 [2020-06-22 04:56:29,916 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:29,917 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:29,921 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:56:29,921 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 [2020-06-22 04:56:29,948 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:29,948 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:29,951 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:56:29,951 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 [2020-06-22 04:56:29,979 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:29,979 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:29,983 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:56:29,983 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 [2020-06-22 04:56:30,009 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:30,010 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/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 [2020-06-22 04:56:30,040 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:56:30,040 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:30,290 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:56:30,292 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:30,292 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:30,292 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:30,293 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:30,293 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:56:30,293 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:56:30,293 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:30,293 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:30,293 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 04:56:30,293 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:30,293 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:30,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:30,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:30,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:30,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:30,369 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:30,369 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:56:30,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:30,370 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:30,370 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:30,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:30,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:30,371 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:30,371 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:30,371 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:30,372 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:30,373 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:30,373 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:30,373 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:30,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:30,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:30,374 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:30,374 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:30,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:30,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:30,376 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:30,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:30,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:30,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:30,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:30,377 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:30,377 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:30,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:30,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:30,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:30,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:30,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:30,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:30,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:30,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:30,380 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:30,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:30,387 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:56:30,393 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:56:30,393 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero. [2020-06-22 04:56:30,394 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:56:30,394 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:56:30,394 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:56:30,394 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 04:56:30,394 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:56:30,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:30,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:56:30,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:30,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:56:30,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:56:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,479 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 04:56:30,479 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 04:56:30,480 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 04:56:30,480 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 14 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-06-22 04:56:30,553 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 14 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 24 states and 43 transitions. Complement of second has 17 states. [2020-06-22 04:56:30,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states [2020-06-22 04:56:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 04:56:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2020-06-22 04:56:30,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 3 letters. Loop has 3 letters. [2020-06-22 04:56:30,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:30,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 04:56:30,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:30,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 3 letters. Loop has 6 letters. [2020-06-22 04:56:30,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:30,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 43 transitions. [2020-06-22 04:56:30,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:56:30,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 37 transitions. [2020-06-22 04:56:30,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-06-22 04:56:30,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-06-22 04:56:30,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 37 transitions. [2020-06-22 04:56:30,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:56:30,563 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 37 transitions. [2020-06-22 04:56:30,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 37 transitions. [2020-06-22 04:56:30,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2020-06-22 04:56:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-06-22 04:56:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. [2020-06-22 04:56:30,566 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. [2020-06-22 04:56:30,566 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. [2020-06-22 04:56:30,566 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 04:56:30,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 24 transitions. [2020-06-22 04:56:30,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:56:30,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:56:30,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:56:30,568 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 04:56:30,568 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:56:30,569 INFO L794 eck$LassoCheckResult]: Stem: 236#ULTIMATE.startENTRY [59] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_12 10000) (<= v_ULTIMATE.start_main_~z~0_10 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_12 10000)) (<= v_ULTIMATE.start_main_~y~0_15 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 237#L22-2 [48] L22-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (<= 1 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_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~x~0] 247#L24-2 [40] L24-2-->L24-2: Formula: (and (= (+ v_ULTIMATE.start_main_~x~0_9 1) v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_7 1)) (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 243#L24-2 [58] L24-2-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_14) (= (+ v_ULTIMATE.start_main_~y~0_14 v_ULTIMATE.start_main_~x~0_11) v_ULTIMATE.start_main_~y~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 239#L22-2 [2020-06-22 04:56:30,569 INFO L796 eck$LassoCheckResult]: Loop: 239#L22-2 [48] L22-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (<= 1 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_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~x~0] 238#L24-2 [58] L24-2-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_14) (= (+ v_ULTIMATE.start_main_~y~0_14 v_ULTIMATE.start_main_~x~0_11) v_ULTIMATE.start_main_~y~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 239#L22-2 [2020-06-22 04:56:30,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:30,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2728616, now seen corresponding path program 2 times [2020-06-22 04:56:30,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:30,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:30,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:30,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:56:30,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:30,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2507, now seen corresponding path program 2 times [2020-06-22 04:56:30,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:30,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:30,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:30,581 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:56:30,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:30,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1672765774, now seen corresponding path program 3 times [2020-06-22 04:56:30,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:56:30,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:56:30,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:30,587 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:56:30,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:56:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:56:30,619 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:30,619 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:30,619 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:30,619 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:30,619 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:56:30,620 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:30,620 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:30,620 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:30,620 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 04:56:30,620 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:30,620 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:30,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:30,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:30,661 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:30,661 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:30,664 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:56:30,664 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:56:30,695 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:56:30,695 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:56:32,960 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:56:32,963 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:56:32,963 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:56:32,963 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:56:32,963 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:56:32,963 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:56:32,964 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:56:32,964 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:56:32,964 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:56:32,964 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 04:56:32,964 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:56:32,964 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:56:32,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:32,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:56:32,997 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:56:32,997 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:56:32,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:32,998 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:32,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:32,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:32,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:32,999 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:33,000 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:33,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:33,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:33,005 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:33,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:33,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:33,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:33,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:33,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:56:33,007 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:56:33,007 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:33,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:56:33,008 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 04:56:33,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:56:33,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:56:33,009 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:56:33,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:56:33,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:56:33,009 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 04:56:33,010 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 04:56:33,011 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:56:33,017 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:56:33,027 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-06-22 04:56:33,027 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 3 variables to zero. [2020-06-22 04:56:33,027 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:56:33,027 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:56:33,028 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:56:33,028 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*ULTIMATE.start_main_~x~0 f1 = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 04:56:33,028 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:56:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:56:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:33,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:56:33,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:56:33,066 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 04:56:33,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:56:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:56:33,256 INFO L98 LoopCannibalizer]: 12 predicates before loop cannibalization 12 predicates after loop cannibalization [2020-06-22 04:56:33,256 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 12 loop predicates [2020-06-22 04:56:33,256 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 15 Second operand 3 states. [2020-06-22 04:56:33,680 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 15. Second operand 3 states. Result 128 states and 219 transitions. Complement of second has 46 states. [2020-06-22 04:56:33,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2020-06-22 04:56:33,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:56:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 19 transitions. [2020-06-22 04:56:33,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2020-06-22 04:56:33,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:33,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2020-06-22 04:56:33,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:33,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2020-06-22 04:56:33,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:56:33,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 219 transitions. [2020-06-22 04:56:33,689 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:56:33,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 0 states and 0 transitions. [2020-06-22 04:56:33,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 04:56:33,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 04:56:33,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 04:56:33,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:56:33,690 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:56:33,690 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:56:33,690 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:56:33,690 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 04:56:33,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 04:56:33,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:56:33,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 04:56:33,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:56:33 BasicIcfg [2020-06-22 04:56:33,696 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 04:56:33,697 INFO L168 Benchmark]: Toolchain (without parser) took 9062.19 ms. Allocated memory was 649.6 MB in the beginning and 737.7 MB in the end (delta: 88.1 MB). Free memory was 562.6 MB in the beginning and 437.5 MB in the end (delta: 125.0 MB). Peak memory consumption was 213.1 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,699 INFO L168 Benchmark]: CDTParser took 0.17 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. [2020-06-22 04:56:33,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.23 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 562.6 MB in the beginning and 633.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.03 ms. Allocated memory is still 667.9 MB. Free memory was 633.8 MB in the beginning and 632.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,700 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 ms. Allocated memory is still 667.9 MB. Free memory was 632.7 MB in the beginning and 628.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,701 INFO L168 Benchmark]: RCFGBuilder took 219.04 ms. Allocated memory is still 667.9 MB. Free memory was 628.8 MB in the beginning and 615.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,701 INFO L168 Benchmark]: BlockEncodingV2 took 91.37 ms. Allocated memory is still 667.9 MB. Free memory was 615.3 MB in the beginning and 609.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,702 INFO L168 Benchmark]: TraceAbstraction took 159.19 ms. Allocated memory is still 667.9 MB. Free memory was 608.9 MB in the beginning and 600.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,702 INFO L168 Benchmark]: BuchiAutomizer took 8236.45 ms. Allocated memory was 667.9 MB in the beginning and 737.7 MB in the end (delta: 69.7 MB). Free memory was 600.2 MB in the beginning and 437.5 MB in the end (delta: 162.7 MB). Peak memory consumption was 232.4 MB. Max. memory is 50.3 GB. [2020-06-22 04:56:33,707 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 9 locations, 13 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 293.23 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 562.6 MB in the beginning and 633.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 37.03 ms. Allocated memory is still 667.9 MB. Free memory was 633.8 MB in the beginning and 632.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.63 ms. Allocated memory is still 667.9 MB. Free memory was 632.7 MB in the beginning and 628.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. * RCFGBuilder took 219.04 ms. Allocated memory is still 667.9 MB. Free memory was 628.8 MB in the beginning and 615.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 91.37 ms. Allocated memory is still 667.9 MB. Free memory was 615.3 MB in the beginning and 609.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 159.19 ms. Allocated memory is still 667.9 MB. Free memory was 608.9 MB in the beginning and 600.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 8236.45 ms. Allocated memory was 667.9 MB in the beginning and 737.7 MB in the end (delta: 69.7 MB). Free memory was 600.2 MB in the beginning and 437.5 MB in the end (delta: 162.7 MB). Peak memory consumption was 232.4 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has 2-nested ranking function (if x > 0 then 1 else 0), (if x > 0 then x else y) and consists of 10 locations. One nondeterministic module has affine ranking function -1 * y + z and consists of 2 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. One nondeterministic module has 2-nested ranking function (if x > 0 then 1 else 0), (if x > 0 then x else y) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 17 SDtfs, 41 SDslu, 0 SDs, 0 SdLazy, 103 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp91 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq165 hnf93 smp100 dnf100 smp100 tf108 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 04:56:21.347 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 04:56:33.939 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check