YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 03:26:12,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 03:26:12,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 03:26:12,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 03:26:12,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 03:26:12,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 03:26:12,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 03:26:12,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 03:26:12,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 03:26:12,586 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 03:26:12,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 03:26:12,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 03:26:12,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 03:26:12,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 03:26:12,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 03:26:12,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 03:26:12,591 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 03:26:12,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 03:26:12,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 03:26:12,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 03:26:12,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 03:26:12,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 03:26:12,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 03:26:12,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 03:26:12,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 03:26:12,601 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 03:26:12,601 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 03:26:12,602 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 03:26:12,602 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 03:26:12,603 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 03:26:12,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 03:26:12,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 03:26:12,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 03:26:12,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 03:26:12,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 03:26:12,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 03:26:12,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 03:26:12,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 03:26:12,608 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 03:26:12,608 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 03:26:12,623 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 03:26:12,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 03:26:12,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 03:26:12,624 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 03:26:12,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 03:26:12,624 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:26:12,624 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 03:26:12,625 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 03:26:12,625 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 03:26:12,625 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 03:26:12,625 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 03:26:12,625 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 03:26:12,625 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 03:26:12,625 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 03:26:12,626 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:12,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 03:26:12,626 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 03:26:12,626 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 03:26:12,626 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 03:26:12,626 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 03:26:12,627 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 03:26:12,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 03:26:12,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 03:26:12,627 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 03:26:12,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:26:12,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 03:26:12,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 03:26:12,628 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 03:26:12,628 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 03:26:12,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 03:26:12,667 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 03:26:12,670 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 03:26:12,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 03:26:12,672 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 03:26:12,673 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:26:12,738 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/12ceeb17f1474ea59abeac4337f52848/FLAGa625c8022 [2020-06-22 03:26:13,078 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 03:26:13,079 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:26:13,085 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/12ceeb17f1474ea59abeac4337f52848/FLAGa625c8022 [2020-06-22 03:26:13,491 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/12ceeb17f1474ea59abeac4337f52848 [2020-06-22 03:26:13,504 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 03:26:13,506 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 03:26:13,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 03:26:13,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 03:26:13,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 03:26:13,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3aad7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13, skipping insertion in model container [2020-06-22 03:26:13,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 03:26:13,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 03:26:13,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:26:13,714 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 03:26:13,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:26:13,801 INFO L195 MainTranslator]: Completed translation [2020-06-22 03:26:13,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13 WrapperNode [2020-06-22 03:26:13,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 03:26:13,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 03:26:13,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 03:26:13,803 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 03:26:13,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 03:26:13,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 03:26:13,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 03:26:13,837 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 03:26:13,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... [2020-06-22 03:26:13,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 03:26:13,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 03:26:13,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 03:26:13,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 03:26:13,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:26:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 03:26:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 03:26:14,054 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 03:26:14,054 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 03:26:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:14 BoogieIcfgContainer [2020-06-22 03:26:14,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 03:26:14,056 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 03:26:14,056 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 03:26:14,058 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 03:26:14,059 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:14" (1/1) ... [2020-06-22 03:26:14,074 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 03:26:14,076 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 03:26:14,077 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 03:26:14,077 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 03:26:14,078 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:26:14,079 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 03:26:14,080 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 03:26:14,081 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 03:26:14,095 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 03:26:14,110 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-22 03:26:14,115 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 03:26:14,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:26:14,127 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 03:26:14,129 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 03:26:14,130 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:26:14,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:26:14,131 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:26:14,131 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:26:14,131 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-22 03:26:14,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:26:14 BasicIcfg [2020-06-22 03:26:14,132 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 03:26:14,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 03:26:14,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 03:26:14,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 03:26:14,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 03:26:13" (1/4) ... [2020-06-22 03:26:14,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (2/4) ... [2020-06-22 03:26:14,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:14" (3/4) ... [2020-06-22 03:26:14,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:26:14" (4/4) ... [2020-06-22 03:26:14,140 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:26:14,150 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 03:26:14,157 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 03:26:14,174 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 03:26:14,202 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:26:14,203 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 03:26:14,203 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 03:26:14,203 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:26:14,204 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:26:14,204 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:26:14,204 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 03:26:14,204 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:26:14,204 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 03:26:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 03:26:14,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 03:26:14,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 03:26:14,231 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2020-06-22 03:26:14,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 03:26:14,232 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 11 25) no Hoare annotation was computed. [2020-06-22 03:26:14,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:26:14 BasicIcfg [2020-06-22 03:26:14,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 03:26:14,235 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 03:26:14,236 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 03:26:14,239 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 03:26:14,240 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:14,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 03:26:13" (1/5) ... [2020-06-22 03:26:14,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47a1f938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,240 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:14,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:13" (2/5) ... [2020-06-22 03:26:14,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47a1f938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,241 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:14,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:14" (3/5) ... [2020-06-22 03:26:14,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47a1f938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,242 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:14,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:26:14" (4/5) ... [2020-06-22 03:26:14,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47a1f938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:26:14, skipping insertion in model container [2020-06-22 03:26:14,242 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:14,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:26:14" (5/5) ... [2020-06-22 03:26:14,244 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:26:14,270 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:26:14,271 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 03:26:14,271 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 03:26:14,271 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:26:14,271 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:26:14,271 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:26:14,271 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 03:26:14,271 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:26:14,272 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 03:26:14,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 03:26:14,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:14,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:26:14,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:26:14,300 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:26:14,300 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:26:14,301 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 03:26:14,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 03:26:14,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:14,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:26:14,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:26:14,302 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:26:14,302 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:26:14,307 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L15true [24] L15-->L20-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_5 (- 1)) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 5#L20-1true [2020-06-22 03:26:14,308 INFO L796 eck$LassoCheckResult]: Loop: 5#L20-1true [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 5#L20-1true [2020-06-22 03:26:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:14,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1760, now seen corresponding path program 1 times [2020-06-22 03:26:14,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:14,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:14,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:14,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:14,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:14,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:14,421 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times [2020-06-22 03:26:14,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:14,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:14,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:14,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:14,435 INFO L82 PathProgramCache]: Analyzing trace with hash 54590, now seen corresponding path program 1 times [2020-06-22 03:26:14,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:14,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:14,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:14,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:14,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:14,566 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:14,567 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:14,582 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:14,582 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:14,582 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:26:14,583 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:14,583 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:14,583 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:14,583 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 03:26:14,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:14,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:14,604 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 03:26:14,613 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 03:26:14,632 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 03:26:14,635 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 03:26:14,638 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 03:26:14,749 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:14,750 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:14,758 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:14,758 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:14,766 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:14,767 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:14,797 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:14,798 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:14,835 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:26:14,835 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:15,177 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:26:15,180 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:15,180 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:15,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:15,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:15,181 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:26:15,181 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:26:15,181 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:15,181 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:15,182 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 03:26:15,182 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:15,182 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:15,184 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 03:26:15,206 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 03:26:15,209 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 03:26:15,212 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 03:26:15,215 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 03:26:15,299 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:15,308 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:26:15,311 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 03:26:15,313 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:15,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:15,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:15,314 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:15,323 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:26:15,323 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:26:15,369 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:26:15,387 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:26:15,388 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:26:15,390 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:26:15,394 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:26:15,395 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:26:15,395 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-06-22 03:26:15,400 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:26:15,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:26:15,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 03:26:15,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:26:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:26:15,484 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:26:15,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:26:15,484 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 03:26:15,513 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 03:26:15,518 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 03:26:15,519 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. [2020-06-22 03:26:15,571 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2020-06-22 03:26:15,572 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 03:26:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 03:26:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2020-06-22 03:26:15,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 03:26:15,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:15,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 03:26:15,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:15,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 03:26:15,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:15,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-06-22 03:26:15,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:15,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 4 transitions. [2020-06-22 03:26:15,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 03:26:15,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-06-22 03:26:15,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. [2020-06-22 03:26:15,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:26:15,592 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 03:26:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. [2020-06-22 03:26:15,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-06-22 03:26:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 03:26:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-06-22 03:26:15,623 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 03:26:15,623 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 03:26:15,623 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 03:26:15,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. [2020-06-22 03:26:15,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:15,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:26:15,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:26:15,624 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:26:15,624 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:26:15,625 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 46#L15 [35] L15-->L20-1: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 47#L20-1 [2020-06-22 03:26:15,625 INFO L796 eck$LassoCheckResult]: Loop: 47#L20-1 [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 47#L20-1 [2020-06-22 03:26:15,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:15,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1771, now seen corresponding path program 1 times [2020-06-22 03:26:15,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:15,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:15,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:15,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:15,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:15,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:15,632 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 2 times [2020-06-22 03:26:15,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:15,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:15,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:15,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:15,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:15,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:15,640 INFO L82 PathProgramCache]: Analyzing trace with hash 54931, now seen corresponding path program 1 times [2020-06-22 03:26:15,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:15,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:15,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:15,641 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:26:15,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:15,685 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:15,685 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:15,685 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:15,685 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:15,685 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:26:15,685 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:15,686 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:15,686 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:15,686 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 03:26:15,686 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:15,686 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:15,687 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 03:26:15,690 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 03:26:15,691 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 03:26:15,703 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 03:26:15,708 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 03:26:15,759 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:15,759 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:15,762 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:15,762 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:15,766 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:15,766 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:15,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:15,797 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:15,800 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:15,801 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 03:26:15,842 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:15,843 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:15,886 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:26:15,886 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:16,120 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:26:16,123 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:16,124 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:16,124 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:16,124 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:16,124 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:26:16,124 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:26:16,125 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:16,125 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:16,125 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 03:26:16,125 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:16,125 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:16,127 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 03:26:16,146 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 03:26:16,149 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 03:26:16,152 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 03:26:16,156 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 03:26:16,216 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:16,216 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:26:16,217 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 03:26:16,218 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:16,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:16,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:16,218 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:16,222 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:26:16,222 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:26:16,247 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:26:16,258 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:26:16,258 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:26:16,258 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:26:16,260 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:26:16,260 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:26:16,261 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-06-22 03:26:16,263 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:26:16,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:26:16,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 03:26:16,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:26:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:26:16,308 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:26:16,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:26:16,308 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 03:26:16,321 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 03:26:16,322 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 03:26:16,322 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 2 states. [2020-06-22 03:26:16,348 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. [2020-06-22 03:26:16,349 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 03:26:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 03:26:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-06-22 03:26:16,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 03:26:16,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:16,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 03:26:16,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:16,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 03:26:16,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:16,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. [2020-06-22 03:26:16,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:16,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. [2020-06-22 03:26:16,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 03:26:16,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-06-22 03:26:16,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-06-22 03:26:16,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:26:16,354 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-06-22 03:26:16,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-06-22 03:26:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-06-22 03:26:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 03:26:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-06-22 03:26:16,355 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-06-22 03:26:16,355 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-06-22 03:26:16,355 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 03:26:16,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-06-22 03:26:16,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:16,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:26:16,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:26:16,356 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:26:16,356 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:26:16,356 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 89#L15 [34] L15-->L20-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_4 1) (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 90#L20-1 [2020-06-22 03:26:16,357 INFO L796 eck$LassoCheckResult]: Loop: 90#L20-1 [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 90#L20-1 [2020-06-22 03:26:16,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:16,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1770, now seen corresponding path program 1 times [2020-06-22 03:26:16,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:16,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:16,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:16,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:16,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:16,363 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 3 times [2020-06-22 03:26:16,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:16,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:16,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:16,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:16,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:16,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash 54900, now seen corresponding path program 1 times [2020-06-22 03:26:16,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:16,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:16,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:16,370 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:26:16,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:16,418 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:16,419 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:16,419 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:16,419 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:16,419 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:26:16,419 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:16,419 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:16,419 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:16,419 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 03:26:16,419 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:16,420 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:16,421 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 03:26:16,427 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 03:26:16,430 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 03:26:16,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:26:16,435 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 03:26:16,496 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:16,497 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:16,505 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:16,506 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:16,509 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:16,509 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:16,537 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:16,537 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:16,540 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:16,541 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:16,579 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:16,579 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:16,583 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:16,583 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 03:26:16,616 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:16,616 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:16,621 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:16,621 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 03:26:16,657 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:16,657 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 03:26:16,696 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:26:16,696 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:16,972 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:26:16,975 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:16,976 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:16,976 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:16,976 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:16,976 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:26:16,976 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:26:16,976 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:16,976 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:16,976 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 03:26:16,977 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:16,977 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:16,978 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 03:26:16,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:26:16,984 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 03:26:16,987 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 03:26:16,989 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 03:26:17,058 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:17,058 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:26:17,058 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 03:26:17,059 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:17,059 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:26:17,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:17,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:17,060 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:17,061 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:26:17,061 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:26:17,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:26:17,062 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 03:26:17,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:17,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:26:17,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:17,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:17,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:17,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:26:17,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:26:17,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:26:17,064 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 03:26:17,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:17,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:26:17,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:17,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:17,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:17,065 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:26:17,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:26:17,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:26:17,067 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 03:26:17,067 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:17,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:26:17,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:17,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:17,068 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:17,068 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:26:17,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:26:17,069 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:26:17,069 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 03:26:17,069 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:26:17,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:26:17,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:26:17,070 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:26:17,072 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:26:17,072 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:26:17,094 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:26:17,101 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:26:17,101 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:26:17,101 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:26:17,103 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:26:17,103 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:26:17,103 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-06-22 03:26:17,106 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:26:17,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:26:17,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 03:26:17,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:26:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:26:17,150 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:26:17,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:26:17,151 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 03:26:17,163 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 03:26:17,164 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 03:26:17,164 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. [2020-06-22 03:26:17,184 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. [2020-06-22 03:26:17,185 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 03:26:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 03:26:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2020-06-22 03:26:17,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 03:26:17,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:17,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 03:26:17,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:17,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 03:26:17,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:26:17,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. [2020-06-22 03:26:17,188 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:26:17,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2020-06-22 03:26:17,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 03:26:17,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 03:26:17,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 03:26:17,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:26:17,189 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:26:17,189 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:26:17,189 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:26:17,189 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 03:26:17,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 03:26:17,189 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:26:17,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 03:26:17,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:26:17 BasicIcfg [2020-06-22 03:26:17,197 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 03:26:17,197 INFO L168 Benchmark]: Toolchain (without parser) took 3692.39 ms. Allocated memory was 514.9 MB in the beginning and 585.6 MB in the end (delta: 70.8 MB). Free memory was 439.5 MB in the beginning and 440.0 MB in the end (delta: -511.0 kB). Peak memory consumption was 70.3 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,199 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 459.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 03:26:17,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.36 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 439.5 MB in the beginning and 527.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.01 ms. Allocated memory is still 556.3 MB. Free memory was 527.1 MB in the beginning and 525.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,201 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 556.3 MB. Free memory was 525.7 MB in the beginning and 523.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,201 INFO L168 Benchmark]: RCFGBuilder took 198.98 ms. Allocated memory is still 556.3 MB. Free memory was 523.5 MB in the beginning and 512.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,202 INFO L168 Benchmark]: BlockEncodingV2 took 75.75 ms. Allocated memory is still 556.3 MB. Free memory was 512.9 MB in the beginning and 507.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,203 INFO L168 Benchmark]: TraceAbstraction took 101.88 ms. Allocated memory is still 556.3 MB. Free memory was 507.0 MB in the beginning and 500.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,203 INFO L168 Benchmark]: BuchiAutomizer took 2961.69 ms. Allocated memory was 556.3 MB in the beginning and 585.6 MB in the end (delta: 29.4 MB). Free memory was 500.1 MB in the beginning and 440.0 MB in the end (delta: 60.1 MB). Peak memory consumption was 89.5 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:17,207 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 459.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 295.36 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 439.5 MB in the beginning and 527.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.01 ms. Allocated memory is still 556.3 MB. Free memory was 527.1 MB in the beginning and 525.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 556.3 MB. Free memory was 525.7 MB in the beginning and 523.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 198.98 ms. Allocated memory is still 556.3 MB. Free memory was 523.5 MB in the beginning and 512.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 75.75 ms. Allocated memory is still 556.3 MB. Free memory was 512.9 MB in the beginning and 507.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 101.88 ms. Allocated memory is still 556.3 MB. Free memory was 507.0 MB in the beginning and 500.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2961.69 ms. Allocated memory was 556.3 MB in the beginning and 585.6 MB in the end (delta: 29.4 MB). Free memory was 500.1 MB in the beginning and 440.0 MB in the end (delta: 60.1 MB). Peak memory consumption was 89.5 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. - 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf93 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf100 smp100 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 85ms VariablesStem: 1 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 03:26:09.789 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 03:26:17.450 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check