/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:42:21,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:42:21,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:42:21,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:42:21,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:42:21,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:42:21,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:42:21,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:42:21,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:42:21,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:42:21,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:42:21,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:42:21,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:42:21,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:42:21,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:42:21,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:42:21,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:42:21,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:42:21,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:42:21,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:42:21,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:42:21,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:42:21,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:42:21,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:42:21,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:42:21,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:42:21,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:42:21,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:42:21,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:42:21,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:42:21,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:42:21,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:42:21,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:42:21,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:42:21,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:42:21,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:42:21,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:42:21,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:42:21,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:42:21,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:42:21,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:42:21,287 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:42:21,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:42:21,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:42:21,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:42:21,303 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:42:21,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:42:21,303 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:42:21,303 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:42:21,303 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:42:21,304 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:42:21,304 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:42:21,304 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:42:21,304 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:42:21,304 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:42:21,304 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:42:21,305 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:42:21,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:42:21,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:42:21,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:42:21,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:42:21,306 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:42:21,306 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:42:21,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:42:21,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:42:21,306 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:42:21,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:42:21,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:42:21,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:42:21,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:42:21,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:42:21,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:42:21,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:42:21,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:42:21,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:42:21,489 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:42:21,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:42:21,556 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_2JeQrI/tmp/06c8d7da2efc4a3aa80f5622303eecc7/FLAGe04fc339c [2020-07-01 10:42:21,875 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:42:21,876 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:42:21,882 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_2JeQrI/tmp/06c8d7da2efc4a3aa80f5622303eecc7/FLAGe04fc339c [2020-07-01 10:42:22,328 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_2JeQrI/tmp/06c8d7da2efc4a3aa80f5622303eecc7 [2020-07-01 10:42:22,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:42:22,341 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:42:22,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:42:22,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:42:22,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:42:22,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6d7df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22, skipping insertion in model container [2020-07-01 10:42:22,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:42:22,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:42:22,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:42:22,588 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:42:22,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:42:22,616 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:42:22,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22 WrapperNode [2020-07-01 10:42:22,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:42:22,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:42:22,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:42:22,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:42:22,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:42:22,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:42:22,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:42:22,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:42:22,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:42:22,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:42:22,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:42:22,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:42:22,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (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 [2020-07-01 10:42:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:42:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:42:22,850 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:42:22,850 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-01 10:42:22,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:42:22 BoogieIcfgContainer [2020-07-01 10:42:22,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:42:22,854 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:42:22,854 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:42:22,856 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:42:22,857 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:42:22" (1/1) ... [2020-07-01 10:42:22,869 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-07-01 10:42:22,870 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:42:22,871 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:42:22,871 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:42:22,872 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:42:22,873 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:42:22,874 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:42:22,875 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:42:22,886 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:42:22,890 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 10:42:22,895 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 10:42:22,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:42:22,911 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-07-01 10:42:22,913 INFO L70 RemoveSinkStates]: Removed 1 edges and 2 locations by removing sink states [2020-07-01 10:42:22,915 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:42:22,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:42:22,915 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:42:22,915 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:42:22,916 INFO L313 BlockEncoder]: Encoded RCFG 0 locations, 0 edges [2020-07-01 10:42:22,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:42:22 BasicIcfg [2020-07-01 10:42:22,916 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:42:22,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:42:22,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:42:22,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:42:22,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:42:22" (1/4) ... [2020-07-01 10:42:22,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8de8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:42:22, skipping insertion in model container [2020-07-01 10:42:22,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (2/4) ... [2020-07-01 10:42:22,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8de8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:42:22, skipping insertion in model container [2020-07-01 10:42:22,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:42:22" (3/4) ... [2020-07-01 10:42:22,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8de8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:42:22, skipping insertion in model container [2020-07-01 10:42:22,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:42:22" (4/4) ... [2020-07-01 10:42:22,925 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:42:22,935 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:42:22,942 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:42:22,956 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:42:22,978 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:42:22,979 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:42:22,979 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:42:22,979 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:42:22,979 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:42:22,979 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:42:22,979 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:42:22,980 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:42:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2020-07-01 10:42:22,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:42:22,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states. [2020-07-01 10:42:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:42:23 BasicIcfg [2020-07-01 10:42:23,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:42:23,001 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:42:23,001 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:42:23,004 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:42:23,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:42:23,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:42:22" (1/5) ... [2020-07-01 10:42:23,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72aae8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:42:23, skipping insertion in model container [2020-07-01 10:42:23,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:42:23,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:42:22" (2/5) ... [2020-07-01 10:42:23,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72aae8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:42:23, skipping insertion in model container [2020-07-01 10:42:23,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:42:23,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:42:22" (3/5) ... [2020-07-01 10:42:23,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72aae8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:42:23, skipping insertion in model container [2020-07-01 10:42:23,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:42:23,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:42:22" (4/5) ... [2020-07-01 10:42:23,008 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72aae8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:42:23, skipping insertion in model container [2020-07-01 10:42:23,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:42:23,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:42:23" (5/5) ... [2020-07-01 10:42:23,010 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:42:23,040 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:42:23,040 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:42:23,040 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:42:23,040 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:42:23,041 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:42:23,041 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:42:23,041 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:42:23,041 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:42:23,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states. [2020-07-01 10:42:23,057 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 10:42:23,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 10:42:23,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:42:23 BasicIcfg [2020-07-01 10:42:23,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:42:23,064 INFO L168 Benchmark]: Toolchain (without parser) took 722.67 ms. Allocated memory was 649.6 MB in the beginning and 691.0 MB in the end (delta: 41.4 MB). Free memory was 557.1 MB in the beginning and 624.2 MB in the end (delta: -67.2 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:42:23,065 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:42:23,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.75 ms. Allocated memory was 649.6 MB in the beginning and 691.0 MB in the end (delta: 41.4 MB). Free memory was 556.0 MB in the beginning and 655.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 691.0 MB. Free memory was 655.0 MB in the beginning and 652.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,067 INFO L168 Benchmark]: Boogie Preprocessor took 19.04 ms. Allocated memory is still 691.0 MB. Free memory was 652.8 MB in the beginning and 651.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,068 INFO L168 Benchmark]: RCFGBuilder took 183.72 ms. Allocated memory is still 691.0 MB. Free memory was 651.7 MB in the beginning and 639.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,069 INFO L168 Benchmark]: BlockEncodingV2 took 62.15 ms. Allocated memory is still 691.0 MB. Free memory was 639.4 MB in the beginning and 635.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,069 INFO L168 Benchmark]: TraceAbstraction took 82.79 ms. Allocated memory is still 691.0 MB. Free memory was 635.1 MB in the beginning and 628.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,070 INFO L168 Benchmark]: BuchiAutomizer took 61.08 ms. Allocated memory is still 691.0 MB. Free memory was 628.6 MB in the beginning and 624.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:42:23,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 0 locations, 0 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 274.75 ms. Allocated memory was 649.6 MB in the beginning and 691.0 MB in the end (delta: 41.4 MB). Free memory was 556.0 MB in the beginning and 655.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 691.0 MB. Free memory was 655.0 MB in the beginning and 652.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.04 ms. Allocated memory is still 691.0 MB. Free memory was 652.8 MB in the beginning and 651.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 183.72 ms. Allocated memory is still 691.0 MB. Free memory was 651.7 MB in the beginning and 639.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 62.15 ms. Allocated memory is still 691.0 MB. Free memory was 639.4 MB in the beginning and 635.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 82.79 ms. Allocated memory is still 691.0 MB. Free memory was 635.1 MB in the beginning and 628.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 61.08 ms. Allocated memory is still 691.0 MB. Free memory was 628.6 MB in the beginning and 624.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 0 procedures, 0 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. 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: nont0 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 10:42:19.053 ----------------------------------------------- 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/BenchExec_run_2JeQrI/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:42:23.307 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check