YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 05:45:10,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 05:45:10,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 05:45:10,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 05:45:10,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 05:45:10,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 05:45:10,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 05:45:10,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 05:45:10,597 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 05:45:10,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 05:45:10,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 05:45:10,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 05:45:10,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 05:45:10,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 05:45:10,602 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 05:45:10,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 05:45:10,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 05:45:10,605 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 05:45:10,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 05:45:10,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 05:45:10,610 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 05:45:10,611 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 05:45:10,613 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 05:45:10,614 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 05:45:10,614 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 05:45:10,615 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 05:45:10,615 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 05:45:10,616 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 05:45:10,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 05:45:10,617 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 05:45:10,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 05:45:10,618 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 05:45:10,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 05:45:10,620 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 05:45:10,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 05:45:10,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 05:45:10,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 05:45:10,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 05:45:10,622 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 05:45:10,623 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 05:45:10,638 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 05:45:10,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 05:45:10,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 05:45:10,639 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 05:45:10,640 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 05:45:10,640 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 05:45:10,640 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 05:45:10,640 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 05:45:10,640 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 05:45:10,641 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 05:45:10,641 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 05:45:10,641 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 05:45:10,641 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 05:45:10,641 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 05:45:10,641 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:10,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 05:45:10,642 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 05:45:10,642 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 05:45:10,642 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 05:45:10,642 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 05:45:10,642 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 05:45:10,643 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 05:45:10,643 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 05:45:10,643 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 05:45:10,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 05:45:10,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 05:45:10,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 05:45:10,644 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 05:45:10,644 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 05:45:10,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 05:45:10,683 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 05:45:10,686 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 05:45:10,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 05:45:10,688 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 05:45:10,689 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 05:45:10,759 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/db4dee805f93456499337e991731cc77/FLAG3a359d191 [2020-06-22 05:45:11,097 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 05:45:11,098 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 05:45:11,104 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/db4dee805f93456499337e991731cc77/FLAG3a359d191 [2020-06-22 05:45:11,511 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/db4dee805f93456499337e991731cc77 [2020-06-22 05:45:11,523 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 05:45:11,525 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 05:45:11,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 05:45:11,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 05:45:11,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 05:45:11,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e35822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11, skipping insertion in model container [2020-06-22 05:45:11,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 05:45:11,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 05:45:11,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 05:45:11,711 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 05:45:11,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 05:45:11,794 INFO L195 MainTranslator]: Completed translation [2020-06-22 05:45:11,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11 WrapperNode [2020-06-22 05:45:11,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 05:45:11,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 05:45:11,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 05:45:11,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 05:45:11,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 05:45:11,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 05:45:11,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 05:45:11,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 05:45:11,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... [2020-06-22 05:45:11,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 05:45:11,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 05:45:11,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 05:45:11,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 05:45:11,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 05:45:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 05:45:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 05:45:12,034 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 05:45:12,035 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 05:45:12,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:12 BoogieIcfgContainer [2020-06-22 05:45:12,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 05:45:12,036 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 05:45:12,037 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 05:45:12,039 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 05:45:12,039 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:12" (1/1) ... [2020-06-22 05:45:12,053 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-06-22 05:45:12,055 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 05:45:12,056 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 05:45:12,056 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 05:45:12,057 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 05:45:12,059 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 05:45:12,059 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 05:45:12,060 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 05:45:12,073 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 05:45:12,080 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 05:45:12,085 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 05:45:12,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 05:45:12,100 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-22 05:45:12,102 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 05:45:12,104 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 05:45:12,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 05:45:12,104 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 05:45:12,104 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 05:45:12,104 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 05:45:12,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:45:12 BasicIcfg [2020-06-22 05:45:12,105 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 05:45:12,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 05:45:12,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 05:45:12,109 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 05:45:12,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 05:45:11" (1/4) ... [2020-06-22 05:45:12,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af19c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (2/4) ... [2020-06-22 05:45:12,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af19c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:12" (3/4) ... [2020-06-22 05:45:12,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af19c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:45:12" (4/4) ... [2020-06-22 05:45:12,113 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 05:45:12,122 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 05:45:12,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 05:45:12,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 05:45:12,174 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 05:45:12,175 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 05:45:12,175 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 05:45:12,176 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 05:45:12,176 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 05:45:12,176 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 05:45:12,176 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 05:45:12,176 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 05:45:12,176 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 05:45:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 05:45:12,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 05:45:12,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 05:45:12,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 05:45:12,248 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true [2020-06-22 05:45:12,249 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 16) the Hoare annotation is: true [2020-06-22 05:45:12,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:45:12 BasicIcfg [2020-06-22 05:45:12,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 05:45:12,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 05:45:12,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 05:45:12,261 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 05:45:12,262 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:45:12,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 05:45:11" (1/5) ... [2020-06-22 05:45:12,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ef9656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,263 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:45:12,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:45:11" (2/5) ... [2020-06-22 05:45:12,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ef9656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,264 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:45:12,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:12" (3/5) ... [2020-06-22 05:45:12,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ef9656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:45:12,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:45:12" (4/5) ... [2020-06-22 05:45:12,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ef9656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:45:12, skipping insertion in model container [2020-06-22 05:45:12,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:45:12,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:45:12" (5/5) ... [2020-06-22 05:45:12,267 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 05:45:12,295 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 05:45:12,296 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 05:45:12,296 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 05:45:12,296 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 05:45:12,296 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 05:45:12,297 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 05:45:12,297 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 05:45:12,298 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 05:45:12,298 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 05:45:12,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 05:45:12,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 05:45:12,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:45:12,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:45:12,323 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 05:45:12,323 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 05:45:12,323 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 05:45:12,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 05:45:12,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 05:45:12,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:45:12,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:45:12,325 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 05:45:12,325 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 05:45:12,330 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L10-2true [2020-06-22 05:45:12,330 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_7 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_8) (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L10-2true [2020-06-22 05:45:12,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:12,336 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2020-06-22 05:45:12,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:12,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:12,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:12,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:12,408 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times [2020-06-22 05:45:12,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:12,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:12,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:12,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:45:12,459 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 05:45:12,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 05:45:12,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 05:45:12,466 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 05:45:12,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 05:45:12,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 05:45:12,482 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. [2020-06-22 05:45:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 05:45:12,499 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. [2020-06-22 05:45:12,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 05:45:12,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. [2020-06-22 05:45:12,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 05:45:12,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. [2020-06-22 05:45:12,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 05:45:12,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 05:45:12,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2020-06-22 05:45:12,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 05:45:12,510 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-06-22 05:45:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2020-06-22 05:45:12,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2020-06-22 05:45:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 05:45:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2020-06-22 05:45:12,541 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-06-22 05:45:12,541 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-06-22 05:45:12,541 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 05:45:12,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2020-06-22 05:45:12,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 05:45:12,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:45:12,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:45:12,542 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 05:45:12,542 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 05:45:12,543 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 19#L10-2 [2020-06-22 05:45:12,543 INFO L796 eck$LassoCheckResult]: Loop: 19#L10-2 [39] L10-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_7 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 16#L12-2 [33] L12-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~y~0_6 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 17#L12-2 [45] L12-2-->L10-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_14 v_ULTIMATE.start_main_~y~0_8) (= (+ v_ULTIMATE.start_main_~x~0_14 (- 1)) v_ULTIMATE.start_main_~x~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 19#L10-2 [2020-06-22 05:45:12,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:12,543 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 2 times [2020-06-22 05:45:12,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:12,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:12,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:12,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:12,549 INFO L82 PathProgramCache]: Analyzing trace with hash 68338, now seen corresponding path program 1 times [2020-06-22 05:45:12,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:12,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:12,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,551 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 05:45:12,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:12,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1974962, now seen corresponding path program 1 times [2020-06-22 05:45:12,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:12,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:12,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:12,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:12,634 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:45:12,635 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:45:12,635 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:45:12,636 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:45:12,636 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 05:45:12,636 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:12,636 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:45:12,636 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:45:12,636 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 05:45:12,636 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:45:12,637 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:45:12,654 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 05:45:12,663 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 05:45:12,667 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 05:45:12,777 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:45:12,778 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:12,790 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:45:12,790 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:45:12,825 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:45:12,825 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:12,837 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:45:12,837 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:45:12,865 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:45:12,866 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:12,873 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:45:12,874 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:12,905 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 05:45:12,905 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:45:12,938 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 05:45:12,940 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:45:12,940 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:45:12,940 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:45:12,940 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:45:12,941 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 05:45:12,941 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 05:45:12,941 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:45:12,941 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:45:12,941 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 05:45:12,941 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:45:12,941 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:45:12,943 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 05:45:12,947 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 05:45:12,951 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 05:45:13,041 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:45:13,047 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 05:45:13,049 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 05:45:13,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:45:13,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:45:13,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:45:13,051 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:45:13,055 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:45:13,056 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 05:45:13,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:45:13,063 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 05:45:13,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:45:13,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:45:13,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:45:13,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:45:13,067 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:45:13,067 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 05:45:13,076 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:45:13,076 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 05:45:13,077 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:45:13,077 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:45:13,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:45:13,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:45:13,078 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:45:13,079 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:45:13,079 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:45:13,086 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 05:45:13,092 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 05:45:13,092 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 05:45:13,095 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 05:45:13,095 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 05:45:13,096 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 05:45:13,096 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 05:45:13,098 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 05:45:13,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:45:13,137 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 05:45:13,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:45:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:45:13,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 05:45:13,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:45:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-06-22 05:45:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:45:13,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 05:45:13,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:45:13,217 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 05:45:13,220 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 05:45:13,237 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-06-22 05:45:13,258 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. [2020-06-22 05:45:13,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 05:45:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 05:45:13,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 05:45:13,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 3 letters. [2020-06-22 05:45:13,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:45:13,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 3 letters. [2020-06-22 05:45:13,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:45:13,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 6 letters. [2020-06-22 05:45:13,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:45:13,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2020-06-22 05:45:13,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 05:45:13,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 05:45:13,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 05:45:13,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 05:45:13,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-06-22 05:45:13,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 05:45:13,270 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 05:45:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-06-22 05:45:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2020-06-22 05:45:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 05:45:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2020-06-22 05:45:13,271 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-22 05:45:13,271 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-22 05:45:13,271 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 05:45:13,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2020-06-22 05:45:13,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 05:45:13,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:45:13,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:45:13,272 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 05:45:13,272 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 05:45:13,273 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 72#L10-2 [39] L10-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~y~0_7 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 68#L12-2 [2020-06-22 05:45:13,273 INFO L796 eck$LassoCheckResult]: Loop: 68#L12-2 [33] L12-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~y~0_6 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 68#L12-2 [2020-06-22 05:45:13,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:13,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2020-06-22 05:45:13,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:13,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:13,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:13,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:13,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:13,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:13,280 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-06-22 05:45:13,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:13,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:13,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:13,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:13,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:13,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash 63707, now seen corresponding path program 1 times [2020-06-22 05:45:13,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:45:13,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:45:13,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:13,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:45:13,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:45:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:45:13,305 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:45:13,305 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:45:13,306 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:45:13,306 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:45:13,306 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 05:45:13,306 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:13,306 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:45:13,306 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:45:13,306 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 05:45:13,306 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:45:13,306 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:45:13,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:45:13,315 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 05:45:13,317 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 05:45:13,366 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:45:13,366 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:13,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:45:13,370 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:45:13,398 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:45:13,398 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:13,406 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:45:13,407 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:45:13,434 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:45:13,434 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:13,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:45:13,439 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:45:13,470 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 05:45:13,470 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:45:13,626 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 05:45:13,628 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:45:13,628 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:45:13,629 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:45:13,629 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:45:13,629 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 05:45:13,629 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 05:45:13,629 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:45:13,629 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:45:13,630 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 05:45:13,630 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:45:13,630 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:45:13,632 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 05:45:13,641 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 05:45:13,651 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 05:45:13,720 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:45:13,720 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 05:45:13,720 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 05:45:13,721 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:45:13,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:45:13,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:45:13,722 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:45:13,724 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:45:13,724 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 05:45:13,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:45:13,729 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 05:45:13,729 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:45:13,729 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:45:13,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:45:13,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:45:13,730 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:45:13,731 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:45:13,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:45:13,736 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 05:45:13,740 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 05:45:13,740 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 05:45:13,741 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 05:45:13,741 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 05:45:13,741 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 05:45:13,741 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 05:45:13,742 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 05:45:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:45:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:45:13,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 05:45:13,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:45:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:45:13,776 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 05:45:13,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:45:13,776 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 05:45:13,777 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 05:45:13,777 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 05:45:13,777 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2020-06-22 05:45:13,789 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 8 states and 11 transitions. Complement of second has 4 states. [2020-06-22 05:45:13,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 05:45:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 05:45:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 05:45:13,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 05:45:13,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:45:13,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 05:45:13,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:45:13,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 05:45:13,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:45:13,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. [2020-06-22 05:45:13,793 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 05:45:13,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. [2020-06-22 05:45:13,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 05:45:13,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 05:45:13,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 05:45:13,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 05:45:13,794 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 05:45:13,794 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 05:45:13,794 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 05:45:13,794 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 05:45:13,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 05:45:13,795 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 05:45:13,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 05:45:13,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:45:13 BasicIcfg [2020-06-22 05:45:13,801 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 05:45:13,801 INFO L168 Benchmark]: Toolchain (without parser) took 2277.82 ms. Allocated memory was 649.6 MB in the beginning and 660.6 MB in the end (delta: 11.0 MB). Free memory was 564.2 MB in the beginning and 445.5 MB in the end (delta: 118.7 MB). Peak memory consumption was 129.7 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,803 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 591.2 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 05:45:13,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.51 ms. Allocated memory was 649.6 MB in the beginning and 660.6 MB in the end (delta: 11.0 MB). Free memory was 564.2 MB in the beginning and 627.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.27 ms. Allocated memory is still 660.6 MB. Free memory was 627.0 MB in the beginning and 625.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,805 INFO L168 Benchmark]: Boogie Preprocessor took 18.61 ms. Allocated memory is still 660.6 MB. Free memory was 625.7 MB in the beginning and 622.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,806 INFO L168 Benchmark]: RCFGBuilder took 188.03 ms. Allocated memory is still 660.6 MB. Free memory was 622.6 MB in the beginning and 609.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,806 INFO L168 Benchmark]: BlockEncodingV2 took 68.69 ms. Allocated memory is still 660.6 MB. Free memory was 609.6 MB in the beginning and 604.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,807 INFO L168 Benchmark]: TraceAbstraction took 151.13 ms. Allocated memory is still 660.6 MB. Free memory was 604.3 MB in the beginning and 596.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,807 INFO L168 Benchmark]: BuchiAutomizer took 1543.39 ms. Allocated memory is still 660.6 MB. Free memory was 594.8 MB in the beginning and 445.5 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 50.3 GB. [2020-06-22 05:45:13,811 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 591.2 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 269.51 ms. Allocated memory was 649.6 MB in the beginning and 660.6 MB in the end (delta: 11.0 MB). Free memory was 564.2 MB in the beginning and 627.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.27 ms. Allocated memory is still 660.6 MB. Free memory was 627.0 MB in the beginning and 625.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.61 ms. Allocated memory is still 660.6 MB. Free memory was 625.7 MB in the beginning and 622.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 188.03 ms. Allocated memory is still 660.6 MB. Free memory was 622.6 MB in the beginning and 609.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 68.69 ms. Allocated memory is still 660.6 MB. Free memory was 609.6 MB in the beginning and 604.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 151.13 ms. Allocated memory is still 660.6 MB. Free memory was 604.3 MB in the beginning and 596.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1543.39 ms. Allocated memory is still 660.6 MB. Free memory was 594.8 MB in the beginning and 445.5 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax197 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq161 hnf93 smp93 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 05:45:08.261 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 05:45:14.046 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check