NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 22:31:42,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 22:31:42,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 22:31:42,015 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 22:31:42,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 22:31:42,016 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 22:31:42,018 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 22:31:42,019 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 22:31:42,021 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 22:31:42,021 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 22:31:42,022 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 22:31:42,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 22:31:42,023 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 22:31:42,024 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 22:31:42,025 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 22:31:42,026 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 22:31:42,027 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 22:31:42,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 22:31:42,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 22:31:42,031 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 22:31:42,032 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 22:31:42,033 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 22:31:42,035 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 22:31:42,035 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 22:31:42,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 22:31:42,036 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 22:31:42,037 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 22:31:42,038 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 22:31:42,038 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 22:31:42,038 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 22:31:42,039 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 22:31:42,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 22:31:42,041 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 22:31:42,041 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 22:31:42,041 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 22:31:42,042 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 22:31:42,042 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 22:31:42,043 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 22:31:42,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 22:31:42,044 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-21 22:31:42,058 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 22:31:42,058 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 22:31:42,059 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 22:31:42,059 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 22:31:42,060 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 22:31:42,060 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:31:42,060 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 22:31:42,060 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 22:31:42,060 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 22:31:42,060 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 22:31:42,061 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 22:31:42,061 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 22:31:42,061 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 22:31:42,061 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 22:31:42,061 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:31:42,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 22:31:42,062 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 22:31:42,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 22:31:42,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 22:31:42,062 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 22:31:42,062 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 22:31:42,062 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 22:31:42,063 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 22:31:42,063 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 22:31:42,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 22:31:42,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 22:31:42,063 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 22:31:42,064 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 22:31:42,064 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 22:31:42,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 22:31:42,102 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 22:31:42,105 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 22:31:42,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 22:31:42,107 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 22:31:42,108 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:31:42,174 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/ea7f694ed4fe44e9b66cf35478235643/FLAG6101e7da8 [2020-06-21 22:31:42,499 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 22:31:42,500 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:31:42,506 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/ea7f694ed4fe44e9b66cf35478235643/FLAG6101e7da8 [2020-06-21 22:31:42,905 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/ea7f694ed4fe44e9b66cf35478235643 [2020-06-21 22:31:42,916 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 22:31:42,918 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 22:31:42,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 22:31:42,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 22:31:42,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 22:31:42,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:31:42" (1/1) ... [2020-06-21 22:31:42,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9ee23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:42, skipping insertion in model container [2020-06-21 22:31:42,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:31:42" (1/1) ... [2020-06-21 22:31:42,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 22:31:42,951 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 22:31:43,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:31:43,109 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 22:31:43,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:31:43,195 INFO L195 MainTranslator]: Completed translation [2020-06-21 22:31:43,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43 WrapperNode [2020-06-21 22:31:43,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 22:31:43,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 22:31:43,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 22:31:43,197 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 22:31:43,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 22:31:43,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 22:31:43,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 22:31:43,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 22:31:43,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 22:31:43,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 22:31:43,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 22:31:43,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 22:31:43,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (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 22:31:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 22:31:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 22:31:43,447 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 22:31:43,447 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 22:31:43,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:31:43 BoogieIcfgContainer [2020-06-21 22:31:43,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 22:31:43,449 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 22:31:43,450 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 22:31:43,452 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 22:31:43,453 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:31:43" (1/1) ... [2020-06-21 22:31:43,467 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-21 22:31:43,468 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 22:31:43,469 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 22:31:43,470 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 22:31:43,470 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:31:43,472 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 22:31:43,473 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 22:31:43,474 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 22:31:43,488 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 22:31:43,495 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 22:31:43,500 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 22:31:43,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:31:43,512 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-21 22:31:43,515 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-21 22:31:43,516 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:31:43,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:31:43,521 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-21 22:31:43,522 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:31:43,522 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:31:43,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:31:43,522 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 22:31:43,522 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:31:43,523 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-21 22:31:43,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:31:43 BasicIcfg [2020-06-21 22:31:43,523 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 22:31:43,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 22:31:43,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 22:31:43,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 22:31:43,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:31:42" (1/4) ... [2020-06-21 22:31:43,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7645b98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (2/4) ... [2020-06-21 22:31:43,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7645b98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:31:43" (3/4) ... [2020-06-21 22:31:43,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7645b98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:31:43" (4/4) ... [2020-06-21 22:31:43,532 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:31:43,542 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 22:31:43,549 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 22:31:43,567 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 22:31:43,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:31:43,596 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 22:31:43,597 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 22:31:43,597 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:31:43,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:31:43,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:31:43,597 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 22:31:43,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:31:43,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 22:31:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-21 22:31:43,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 22:31:43,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-21 22:31:43,672 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 18 21) the Hoare annotation is: true [2020-06-21 22:31:43,672 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 22:31:43,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:31:43 BasicIcfg [2020-06-21 22:31:43,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 22:31:43,681 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 22:31:43,681 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 22:31:43,684 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 22:31:43,685 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:31:43,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 10:31:42" (1/5) ... [2020-06-21 22:31:43,686 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f2d99d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,686 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:31:43,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:31:43" (2/5) ... [2020-06-21 22:31:43,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f2d99d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,687 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:31:43,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:31:43" (3/5) ... [2020-06-21 22:31:43,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f2d99d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,688 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:31:43,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:31:43" (4/5) ... [2020-06-21 22:31:43,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f2d99d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:31:43, skipping insertion in model container [2020-06-21 22:31:43,688 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:31:43,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:31:43" (5/5) ... [2020-06-21 22:31:43,690 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:31:43,716 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:31:43,716 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 22:31:43,717 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 22:31:43,717 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:31:43,717 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:31:43,717 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:31:43,717 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 22:31:43,717 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:31:43,717 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 22:31:43,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 22:31:43,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 22:31:43,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:31:43,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:31:43,743 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:31:43,743 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 22:31:43,743 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 22:31:43,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 22:31:43,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 22:31:43,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:31:43,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:31:43,744 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:31:43,744 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 22:31:43,749 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L18-2: Formula: (< v_ULTIMATE.start_main_~c~0_11 0) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-21 22:31:43,750 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [27] L18-2-->L18-2: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~c~0_10 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~c~0_10) v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~c~0_9 (+ v_ULTIMATE.start_main_~c~0_10 (- 1)))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-21 22:31:43,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:31:43,756 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-06-21 22:31:43,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:31:43,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:31:43,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:31:43,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:31:43,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:31:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:31:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:31:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:31:43,823 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-06-21 22:31:43,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:31:43,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:31:43,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:31:43,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:31:43,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:31:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:31:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:31:43,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:31:43,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times [2020-06-21 22:31:43,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:31:43,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:31:43,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:31:43,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:31:43,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:31:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:31:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:31:43,902 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:31:43,903 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:31:43,903 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:31:43,904 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:31:43,904 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:31:43,904 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:31:43,904 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:31:43,904 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:31:43,904 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 22:31:43,905 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:31:43,905 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:31:43,924 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 22:31:43,934 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 22:31:43,938 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 22:31:44,055 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:31:44,056 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 22:31:44,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,063 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,095 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,096 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 22:31:44,101 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,101 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,128 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,129 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 22:31:44,135 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,135 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 22:31:44,167 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:31:44,167 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,252 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,252 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=-2, ULTIMATE.start_main_~x~0=2} Honda state: {ULTIMATE.start_main_~c~0=-2, ULTIMATE.start_main_~x~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=-1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 0] Nus: [1, 0] [2020-06-21 22:31:44,282 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:31:44,282 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:31:44,282 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:31:44,282 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:31:44,283 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:31:44,283 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:31:44,283 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:31:44,283 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:31:44,283 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-21 22:31:44,283 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:31:44,283 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:31:44,286 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 22:31:44,289 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 22:31:44,292 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 22:31:44,294 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 22:31:44,305 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 22:31:44,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:31:44,410 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:31:44,410 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 22:31:44,416 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,416 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,420 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,420 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 22:31:44,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,448 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,475 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,476 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 22:31:44,481 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,481 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,485 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,485 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 22:31:44,513 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,513 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 22:31:44,544 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:31:44,544 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,637 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,637 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~c~0=-3, ULTIMATE.start_main_~x~0=3} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~c~0=-1, ULTIMATE.start_main_~x~0=2}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=1}] Lambdas: [2, 1, 1] Nus: [0, 1] 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 22:31:44,670 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,670 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,674 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,674 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 22:31:44,700 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:31:44,700 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:31:44,727 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:31:44,727 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 22:31:44,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,743 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,743 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,743 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,745 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,745 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:31:44 BasicIcfg [2020-06-21 22:31:44,756 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 22:31:44,756 INFO L168 Benchmark]: Toolchain (without parser) took 1839.15 ms. Allocated memory was 514.9 MB in the beginning and 551.0 MB in the end (delta: 36.2 MB). Free memory was 440.7 MB in the beginning and 421.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,758 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 514.9 MB. Free memory is still 459.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 22:31:44,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.44 ms. Allocated memory was 514.9 MB in the beginning and 551.0 MB in the end (delta: 36.2 MB). Free memory was 440.7 MB in the beginning and 521.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.30 ms. Allocated memory is still 551.0 MB. Free memory was 521.5 MB in the beginning and 519.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,760 INFO L168 Benchmark]: Boogie Preprocessor took 18.94 ms. Allocated memory is still 551.0 MB. Free memory was 519.8 MB in the beginning and 518.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,760 INFO L168 Benchmark]: RCFGBuilder took 197.41 ms. Allocated memory is still 551.0 MB. Free memory was 518.7 MB in the beginning and 507.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,761 INFO L168 Benchmark]: BlockEncodingV2 took 74.12 ms. Allocated memory is still 551.0 MB. Free memory was 507.0 MB in the beginning and 502.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,762 INFO L168 Benchmark]: TraceAbstraction took 156.06 ms. Allocated memory is still 551.0 MB. Free memory was 502.1 MB in the beginning and 493.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,762 INFO L168 Benchmark]: BuchiAutomizer took 1074.71 ms. Allocated memory is still 551.0 MB. Free memory was 492.8 MB in the beginning and 421.8 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:31:44,766 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 514.9 MB. Free memory is still 459.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 277.44 ms. Allocated memory was 514.9 MB in the beginning and 551.0 MB in the end (delta: 36.2 MB). Free memory was 440.7 MB in the beginning and 521.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.30 ms. Allocated memory is still 551.0 MB. Free memory was 521.5 MB in the beginning and 519.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.94 ms. Allocated memory is still 551.0 MB. Free memory was 519.8 MB in the beginning and 518.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 197.41 ms. Allocated memory is still 551.0 MB. Free memory was 518.7 MB in the beginning and 507.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 74.12 ms. Allocated memory is still 551.0 MB. Free memory was 507.0 MB in the beginning and 502.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 156.06 ms. Allocated memory is still 551.0 MB. Free memory was 502.1 MB in the beginning and 493.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1074.71 ms. Allocated memory is still 551.0 MB. Free memory was 492.8 MB in the beginning and 421.8 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 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: 18]: 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 1.0s 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: inital20 mio100 ax162 hnf93 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf103 neg100 sie103 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 18]: Nontermination argument in form of an infinite program execution. [2020-06-21 22:31:44,776 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,777 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,777 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,778 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,778 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,778 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,779 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,779 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,779 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,780 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,780 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,781 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,781 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,781 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,782 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,782 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,782 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,783 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 22:31:44,783 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 22:31:44,783 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, ~unnamed0~0~false=0, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~c~0=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~x~0=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6286acc3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b015aed=0, c=-3, ~unnamed0~0~false=0, x=3} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6286acc3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b015aed=0, c=-4, ~unnamed0~0~false=0, x=6} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6286acc3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b015aed=0, c=-5, ~unnamed0~0~false=0, x=10} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6286acc3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b015aed=0, c=-6, ~unnamed0~0~false=0, x=15} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6286acc3=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b015aed=0, c=-7, ~unnamed0~0~false=0, x=21} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [2, 1, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 18]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] int c; [L15] x = __VERIFIER_nondet_int() [L16] c = __VERIFIER_nondet_int() [L17] COND TRUE c < 0 Loop: [L18] COND TRUE x + c >= 0 [L19] x = x - c [L20] c = c - 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-21 22:31:39.239 ----------------------------------------------- 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 22:31:45.009 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check