NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 02:06:27,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 02:06:27,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 02:06:27,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 02:06:27,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 02:06:27,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 02:06:27,326 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 02:06:27,328 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 02:06:27,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 02:06:27,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 02:06:27,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 02:06:27,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 02:06:27,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 02:06:27,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 02:06:27,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 02:06:27,335 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 02:06:27,335 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 02:06:27,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 02:06:27,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 02:06:27,340 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 02:06:27,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 02:06:27,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 02:06:27,344 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 02:06:27,345 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 02:06:27,345 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 02:06:27,346 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 02:06:27,346 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 02:06:27,347 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 02:06:27,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 02:06:27,348 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 02:06:27,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 02:06:27,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 02:06:27,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 02:06:27,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 02:06:27,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 02:06:27,351 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 02:06:27,351 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 02:06:27,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 02:06:27,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 02:06:27,353 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 02:06:27,368 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 02:06:27,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 02:06:27,369 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 02:06:27,369 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 02:06:27,370 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 02:06:27,370 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:06:27,370 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 02:06:27,370 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 02:06:27,370 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 02:06:27,370 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 02:06:27,371 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 02:06:27,371 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 02:06:27,371 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 02:06:27,371 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 02:06:27,371 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:06:27,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 02:06:27,371 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 02:06:27,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 02:06:27,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 02:06:27,372 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 02:06:27,372 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 02:06:27,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 02:06:27,373 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 02:06:27,373 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 02:06:27,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:06:27,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 02:06:27,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 02:06:27,373 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 02:06:27,373 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 02:06:27,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 02:06:27,412 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 02:06:27,415 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 02:06:27,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 02:06:27,417 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 02:06:27,418 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:06:27,485 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/b77518e60f6d42b391fff50ff1a0f92a/FLAGf645737df [2020-06-22 02:06:27,820 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 02:06:27,821 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:06:27,827 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/b77518e60f6d42b391fff50ff1a0f92a/FLAGf645737df [2020-06-22 02:06:28,312 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/b77518e60f6d42b391fff50ff1a0f92a [2020-06-22 02:06:28,324 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 02:06:28,325 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 02:06:28,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 02:06:28,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 02:06:28,330 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 02:06:28,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8b4ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28, skipping insertion in model container [2020-06-22 02:06:28,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 02:06:28,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 02:06:28,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:06:28,529 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 02:06:28,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:06:28,617 INFO L195 MainTranslator]: Completed translation [2020-06-22 02:06:28,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28 WrapperNode [2020-06-22 02:06:28,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 02:06:28,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 02:06:28,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 02:06:28,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 02:06:28,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 02:06:28,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 02:06:28,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 02:06:28,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 02:06:28,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 02:06:28,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 02:06:28,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 02:06:28,677 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 02:06:28,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:06:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 02:06:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 02:06:28,912 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 02:06:28,912 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2020-06-22 02:06:28,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:06:28 BoogieIcfgContainer [2020-06-22 02:06:28,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 02:06:28,914 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 02:06:28,914 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 02:06:28,916 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 02:06:28,917 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:06:28" (1/1) ... [2020-06-22 02:06:28,933 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 33 edges [2020-06-22 02:06:28,935 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 02:06:28,935 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 02:06:28,936 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 02:06:28,936 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:06:28,938 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 02:06:28,939 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 02:06:28,939 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 02:06:28,961 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 02:06:28,981 INFO L200 BlockEncoder]: SBE split 11 edges [2020-06-22 02:06:28,985 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 02:06:28,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:06:28,998 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 02:06:29,000 INFO L70 RemoveSinkStates]: Removed 5 edges and 3 locations by removing sink states [2020-06-22 02:06:29,002 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 02:06:29,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:06:29,002 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 02:06:29,003 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 02:06:29,003 INFO L313 BlockEncoder]: Encoded RCFG 15 locations, 34 edges [2020-06-22 02:06:29,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:06:29 BasicIcfg [2020-06-22 02:06:29,004 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 02:06:29,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 02:06:29,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 02:06:29,008 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 02:06:29,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 02:06:28" (1/4) ... [2020-06-22 02:06:29,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df5d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (2/4) ... [2020-06-22 02:06:29,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df5d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:06:28" (3/4) ... [2020-06-22 02:06:29,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df5d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:06:29" (4/4) ... [2020-06-22 02:06:29,012 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:06:29,022 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 02:06:29,031 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 02:06:29,051 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 02:06:29,080 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:06:29,081 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 02:06:29,081 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 02:06:29,081 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:06:29,082 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:06:29,082 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:06:29,082 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 02:06:29,082 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:06:29,082 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 02:06:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-06-22 02:06:29,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 02:06:29,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-06-22 02:06:29,155 INFO L451 ceAbstractionStarter]: At program point L35-3(lines 35 44) the Hoare annotation is: true [2020-06-22 02:06:29,156 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 02:06:29,156 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2020-06-22 02:06:29,156 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2020-06-22 02:06:29,156 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 29) no Hoare annotation was computed. [2020-06-22 02:06:29,156 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 52) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 20) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 21) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 53) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 1 57) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-06-22 02:06:29,157 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 35 44) no Hoare annotation was computed. [2020-06-22 02:06:29,158 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 45) no Hoare annotation was computed. [2020-06-22 02:06:29,158 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 44) no Hoare annotation was computed. [2020-06-22 02:06:29,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:06:29 BasicIcfg [2020-06-22 02:06:29,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 02:06:29,167 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 02:06:29,167 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 02:06:29,170 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 02:06:29,171 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:06:29,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 02:06:28" (1/5) ... [2020-06-22 02:06:29,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@acce424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,172 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:06:29,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:06:28" (2/5) ... [2020-06-22 02:06:29,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@acce424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,173 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:06:29,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:06:28" (3/5) ... [2020-06-22 02:06:29,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@acce424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,173 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:06:29,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:06:29" (4/5) ... [2020-06-22 02:06:29,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@acce424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:06:29, skipping insertion in model container [2020-06-22 02:06:29,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:06:29,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:06:29" (5/5) ... [2020-06-22 02:06:29,176 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:06:29,203 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:06:29,203 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 02:06:29,203 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 02:06:29,203 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:06:29,203 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:06:29,204 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:06:29,204 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 02:06:29,204 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:06:29,204 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 02:06:29,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-06-22 02:06:29,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-06-22 02:06:29,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:06:29,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:06:29,236 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 02:06:29,236 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 02:06:29,236 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 02:06:29,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-06-22 02:06:29,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-06-22 02:06:29,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:06:29,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:06:29,239 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 02:06:29,239 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 02:06:29,244 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue [152] ULTIMATE.startENTRY-->L34: Formula: (and (= 0 v_~LOCK~0_17) (= v_ULTIMATE.start_main_~new~0_9 0) (= 0 v_ULTIMATE.start_main_~old~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~new~0=v_ULTIMATE.start_main_~new~0_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_6|, ULTIMATE.start_main_~old~0=v_ULTIMATE.start_main_~old~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, ~LOCK~0=v_~LOCK~0_17, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_9, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~new~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~old~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ~LOCK~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~got_lock~0, ULTIMATE.start_main_#t~post5] 12#L34true [131] L34-->L35-3: Formula: (> 0 |v_ULTIMATE.start_main_#t~nondet0_3|) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0] 8#L35-3true [2020-06-22 02:06:29,244 INFO L796 eck$LassoCheckResult]: Loop: 8#L35-3true [96] L35-3-->L37: Formula: (= v_ULTIMATE.start_main_~got_lock~0_4 0) InVars {} OutVars{ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~got_lock~0] 4#L37true [88] L37-->L37-2: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2] 15#L37-2true [114] L37-2-->L35-1: Formula: (= 0 v_ULTIMATE.start_main_~got_lock~0_8) InVars {ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_8} OutVars{ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_8} AuxVars[] AssignedVars[] 13#L35-1true [148] L35-1-->L35-3: Formula: (< 0 |v_ULTIMATE.start_main_#t~nondet1_5|) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1] 8#L35-3true [2020-06-22 02:06:29,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:06:29,250 INFO L82 PathProgramCache]: Analyzing trace with hash 5804, now seen corresponding path program 1 times [2020-06-22 02:06:29,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:06:29,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:06:29,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:06:29,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:06:29,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:06:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:06:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:06:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:06:29,320 INFO L82 PathProgramCache]: Analyzing trace with hash 3871707, now seen corresponding path program 1 times [2020-06-22 02:06:29,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:06:29,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:06:29,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:06:29,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:06:29,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:06:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:06:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:06:29,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:06:29,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1068096774, now seen corresponding path program 1 times [2020-06-22 02:06:29,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:06:29,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:06:29,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:06:29,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:06:29,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:06:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:06:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:06:29,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:06:29 BasicIcfg [2020-06-22 02:06:29,423 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 02:06:29,424 INFO L168 Benchmark]: Toolchain (without parser) took 1099.40 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 558.8 MB in the beginning and 590.4 MB in the end (delta: -31.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,426 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 02:06:29,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.00 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 558.8 MB in the beginning and 652.3 MB in the end (delta: -93.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 684.7 MB. Free memory was 652.3 MB in the beginning and 650.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,428 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 684.7 MB. Free memory was 650.9 MB in the beginning and 649.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,428 INFO L168 Benchmark]: RCFGBuilder took 236.65 ms. Allocated memory is still 684.7 MB. Free memory was 649.5 MB in the beginning and 629.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,429 INFO L168 Benchmark]: BlockEncodingV2 took 89.93 ms. Allocated memory is still 684.7 MB. Free memory was 629.7 MB in the beginning and 624.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,430 INFO L168 Benchmark]: TraceAbstraction took 161.55 ms. Allocated memory is still 684.7 MB. Free memory was 622.9 MB in the beginning and 613.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,430 INFO L168 Benchmark]: BuchiAutomizer took 256.28 ms. Allocated memory is still 684.7 MB. Free memory was 613.4 MB in the beginning and 590.4 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 50.3 GB. [2020-06-22 02:06:29,434 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 21 locations, 33 edges - StatisticsResult: Encoded RCFG 15 locations, 34 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 292.00 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 558.8 MB in the beginning and 652.3 MB in the end (delta: -93.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 684.7 MB. Free memory was 652.3 MB in the beginning and 650.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 21.73 ms. Allocated memory is still 684.7 MB. Free memory was 650.9 MB in the beginning and 649.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. * RCFGBuilder took 236.65 ms. Allocated memory is still 684.7 MB. Free memory was 649.5 MB in the beginning and 629.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 89.93 ms. Allocated memory is still 684.7 MB. Free memory was 629.7 MB in the beginning and 624.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 161.55 ms. Allocated memory is still 684.7 MB. Free memory was 622.9 MB in the beginning and 613.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 256.28 ms. Allocated memory is still 684.7 MB. Free memory was 613.4 MB in the beginning and 590.4 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 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=15occurred 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 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 35]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {got_lock=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13a32834=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@420c9f8b=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20f604bc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e0fdc92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@13a195fd=0, new=0, old=0, LOCK=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@1280d3b6=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 35]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int LOCK; [L32] int got_lock; [L33] int old = 0, new = 0; [L34] COND TRUE __VERIFIER_nondet_int() Loop: [L36] got_lock = 0 [L37] COND FALSE !(__VERIFIER_nondet_int()) [L41] COND FALSE !(\read(got_lock)) [L44] COND TRUE __VERIFIER_nondet_int() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 02:06:25.047 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 02:06:29.670 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check