NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 22:51:40,110 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 22:51:40,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 22:51:40,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 22:51:40,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 22:51:40,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 22:51:40,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 22:51:40,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 22:51:40,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 22:51:40,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 22:51:40,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 22:51:40,130 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 22:51:40,131 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 22:51:40,132 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 22:51:40,133 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 22:51:40,133 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 22:51:40,134 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 22:51:40,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 22:51:40,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 22:51:40,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 22:51:40,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 22:51:40,141 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 22:51:40,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 22:51:40,143 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 22:51:40,144 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 22:51:40,144 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 22:51:40,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 22:51:40,146 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 22:51:40,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 22:51:40,147 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 22:51:40,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 22:51:40,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 22:51:40,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 22:51:40,149 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 22:51:40,150 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 22:51:40,150 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 22:51:40,150 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 22:51:40,151 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 22:51:40,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 22:51:40,152 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-21 22:51:40,166 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 22:51:40,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 22:51:40,167 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 22:51:40,167 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 22:51:40,167 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 22:51:40,168 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:51:40,168 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 22:51:40,168 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 22:51:40,168 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 22:51:40,168 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 22:51:40,168 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 22:51:40,169 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 22:51:40,169 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 22:51:40,169 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 22:51:40,169 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:51:40,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 22:51:40,170 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 22:51:40,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 22:51:40,170 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 22:51:40,170 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 22:51:40,170 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 22:51:40,171 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 22:51:40,171 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 22:51:40,171 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 22:51:40,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 22:51:40,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 22:51:40,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 22:51:40,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 22:51:40,172 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 22:51:40,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 22:51:40,211 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 22:51:40,214 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 22:51:40,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 22:51:40,216 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 22:51:40,217 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:51:40,286 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/74c0cc77ff1b43e4bace004812236a8b/FLAG0f1d41746 [2020-06-21 22:51:40,613 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 22:51:40,614 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:51:40,620 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/74c0cc77ff1b43e4bace004812236a8b/FLAG0f1d41746 [2020-06-21 22:51:41,017 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/74c0cc77ff1b43e4bace004812236a8b [2020-06-21 22:51:41,029 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 22:51:41,030 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 22:51:41,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 22:51:41,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 22:51:41,035 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 22:51:41,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e72cbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 22:51:41,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 22:51:41,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:51:41,219 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 22:51:41,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:51:41,306 INFO L195 MainTranslator]: Completed translation [2020-06-21 22:51:41,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41 WrapperNode [2020-06-21 22:51:41,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 22:51:41,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 22:51:41,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 22:51:41,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 22:51:41,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 22:51:41,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 22:51:41,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 22:51:41,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 22:51:41,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 22:51:41,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 22:51:41,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 22:51:41,364 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 22:51:41,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (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 [2020-06-21 22:51:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 22:51:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 22:51:41,564 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 22:51:41,564 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 22:51:41,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:51:41 BoogieIcfgContainer [2020-06-21 22:51:41,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 22:51:41,566 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 22:51:41,566 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 22:51:41,569 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 22:51:41,570 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:51:41" (1/1) ... [2020-06-21 22:51:41,586 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-06-21 22:51:41,587 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 22:51:41,588 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 22:51:41,589 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 22:51:41,589 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:51:41,591 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 22:51:41,592 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 22:51:41,593 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 22:51:41,607 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 22:51:41,615 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 22:51:41,620 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 22:51:41,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:51:41,636 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-21 22:51:41,639 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-21 22:51:41,640 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:51:41,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:51:41,641 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 22:51:41,641 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:51:41,641 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-21 22:51:41,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:51:41 BasicIcfg [2020-06-21 22:51:41,642 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 22:51:41,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 22:51:41,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 22:51:41,646 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 22:51:41,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:51:41" (1/4) ... [2020-06-21 22:51:41,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8057a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (2/4) ... [2020-06-21 22:51:41,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8057a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:51:41" (3/4) ... [2020-06-21 22:51:41,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8057a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:51:41" (4/4) ... [2020-06-21 22:51:41,650 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:51:41,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 22:51:41,667 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 22:51:41,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 22:51:41,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:51:41,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 22:51:41,715 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 22:51:41,715 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:51:41,715 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:51:41,715 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:51:41,715 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 22:51:41,715 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:51:41,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 22:51:41,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-21 22:51:41,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 22:51:41,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-21 22:51:41,786 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 22:51:41,787 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 14) the Hoare annotation is: true [2020-06-21 22:51:41,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:51:41 BasicIcfg [2020-06-21 22:51:41,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 22:51:41,795 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 22:51:41,795 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 22:51:41,798 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 22:51:41,799 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:51:41,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 10:51:41" (1/5) ... [2020-06-21 22:51:41,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16c587d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,800 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:51:41,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:51:41" (2/5) ... [2020-06-21 22:51:41,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16c587d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,801 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:51:41,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:51:41" (3/5) ... [2020-06-21 22:51:41,802 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16c587d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,802 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:51:41,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:51:41" (4/5) ... [2020-06-21 22:51:41,802 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16c587d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:51:41, skipping insertion in model container [2020-06-21 22:51:41,802 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:51:41,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:51:41" (5/5) ... [2020-06-21 22:51:41,804 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:51:41,830 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:51:41,831 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 22:51:41,831 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 22:51:41,831 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:51:41,831 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:51:41,831 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:51:41,832 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 22:51:41,832 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:51:41,832 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 22:51:41,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 22:51:41,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 22:51:41,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:51:41,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:51:41,857 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:51:41,857 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 22:51:41,857 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 22:51:41,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 22:51:41,858 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 22:51:41,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:51:41,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:51:41,858 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:51:41,858 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 22:51:41,863 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L11-2true [2020-06-21 22:51:41,864 INFO L796 eck$LassoCheckResult]: Loop: 4#L11-2true [24] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_8)) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L11-2true [2020-06-21 22:51:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:51:41,870 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2020-06-21 22:51:41,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:51:41,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:51:41,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:51:41,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:51:41,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:51:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:51:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:51:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:51:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2020-06-21 22:51:41,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:51:41,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:51:41,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:51:41,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:51:41,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:51:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:51:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:51:41,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:51:41,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2020-06-21 22:51:41,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:51:41,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:51:41,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:51:41,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:51:41,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:51:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:51:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:51:42,018 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:51:42,019 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:51:42,019 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:51:42,019 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:51:42,020 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:51:42,020 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:51:42,020 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:51:42,020 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:51:42,020 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 22:51:42,020 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:51:42,021 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:51:42,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,153 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:51:42,154 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 [2020-06-21 22:51:42,161 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,161 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,194 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,195 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 [2020-06-21 22:51:42,200 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,201 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,228 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,228 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 [2020-06-21 22:51:42,233 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,233 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 [2020-06-21 22:51:42,265 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:51:42,265 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,343 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,343 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 0] Nus: [1, 0] [2020-06-21 22:51:42,384 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:51:42,384 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:51:42,384 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:51:42,384 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:51:42,385 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:51:42,385 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:51:42,385 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:51:42,385 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:51:42,385 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-21 22:51:42,385 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:51:42,385 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:51:42,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:51:42,523 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:51:42,523 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 [2020-06-21 22:51:42,526 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,526 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,530 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,530 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/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 [2020-06-21 22:51:42,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,557 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,584 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,584 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} 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 [2020-06-21 22:51:42,588 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,589 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,592 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,592 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/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 [2020-06-21 22:51:42,621 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,622 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:51:42,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:51:42,652 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,728 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,728 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=1}, {ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0}] Lambdas: [1, 1, 0] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:51:42,755 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,756 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,759 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,759 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/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:51:42,786 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:51:42,786 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:51:42,814 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:51:42,814 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-21 22:51:42,827 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,829 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,830 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,830 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,830 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,831 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,831 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:51:42 BasicIcfg [2020-06-21 22:51:42,843 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 22:51:42,844 INFO L168 Benchmark]: Toolchain (without parser) took 1814.20 ms. Allocated memory was 649.6 MB in the beginning and 701.0 MB in the end (delta: 51.4 MB). Free memory was 565.2 MB in the beginning and 545.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 71.2 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,845 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 22:51:42,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.27 ms. Allocated memory was 649.6 MB in the beginning and 701.0 MB in the end (delta: 51.4 MB). Free memory was 565.2 MB in the beginning and 667.9 MB in the end (delta: -102.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.10 ms. Allocated memory is still 701.0 MB. Free memory was 666.8 MB in the beginning and 664.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,847 INFO L168 Benchmark]: Boogie Preprocessor took 19.41 ms. Allocated memory is still 701.0 MB. Free memory was 664.0 MB in the beginning and 662.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,848 INFO L168 Benchmark]: RCFGBuilder took 201.90 ms. Allocated memory is still 701.0 MB. Free memory was 662.9 MB in the beginning and 650.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,848 INFO L168 Benchmark]: BlockEncodingV2 took 75.59 ms. Allocated memory is still 701.0 MB. Free memory was 650.5 MB in the beginning and 645.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,849 INFO L168 Benchmark]: TraceAbstraction took 151.85 ms. Allocated memory is still 701.0 MB. Free memory was 645.1 MB in the beginning and 636.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,850 INFO L168 Benchmark]: BuchiAutomizer took 1048.04 ms. Allocated memory is still 701.0 MB. Free memory was 636.4 MB in the beginning and 545.4 MB in the end (delta: 91.0 MB). Peak memory consumption was 91.0 MB. Max. memory is 50.3 GB. [2020-06-21 22:51:42,853 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 276.27 ms. Allocated memory was 649.6 MB in the beginning and 701.0 MB in the end (delta: 51.4 MB). Free memory was 565.2 MB in the beginning and 667.9 MB in the end (delta: -102.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.10 ms. Allocated memory is still 701.0 MB. Free memory was 666.8 MB in the beginning and 664.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.41 ms. Allocated memory is still 701.0 MB. Free memory was 664.0 MB in the beginning and 662.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 201.90 ms. Allocated memory is still 701.0 MB. Free memory was 662.9 MB in the beginning and 650.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 75.59 ms. Allocated memory is still 701.0 MB. Free memory was 650.5 MB in the beginning and 645.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 151.85 ms. Allocated memory is still 701.0 MB. Free memory was 645.1 MB in the beginning and 636.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1048.04 ms. Allocated memory is still 701.0 MB. Free memory was 636.4 MB in the beginning and 545.4 MB in the end (delta: 91.0 MB). Peak memory consumption was 91.0 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 11]: Nontermination argument in form of an infinite program execution. [2020-06-21 22:51:42,863 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:51:42,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:51:42,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~x~0=1, ~unnamed0~0~false=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4568ca3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebdc1a6=0, x=1, ~unnamed0~0~false=0, y=1} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4568ca3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebdc1a6=0, x=2, ~unnamed0~0~false=0, y=2} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4568ca3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebdc1a6=0, x=4, ~unnamed0~0~false=0, y=3} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4568ca3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebdc1a6=0, x=7, ~unnamed0~0~false=0, y=4} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4568ca3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebdc1a6=0, x=11, ~unnamed0~0~false=0, y=5} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 1, 0] Mus: [1, 0] - NonterminatingLassoResult [Line: 11]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int x; [L8] int y; [L9] x = __VERIFIER_nondet_int() [L10] y = __VERIFIER_nondet_int() Loop: [L11] COND TRUE x > 0 [L12] x = x + y [L13] y = y + 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-21 22:51:37.806 ----------------------------------------------- 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 2020-06-21 22:51:43.094 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check