11.55/6.52 NO 11.55/6.52 11.55/6.52 Ultimate: Cannot open display: 11.55/6.52 This is Ultimate 0.1.24-8dc7c08-m 11.55/6.52 [2019-03-28 22:41:00,431 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.55/6.52 [2019-03-28 22:41:00,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.55/6.52 [2019-03-28 22:41:00,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.55/6.52 [2019-03-28 22:41:00,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.55/6.52 [2019-03-28 22:41:00,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.55/6.52 [2019-03-28 22:41:00,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.55/6.52 [2019-03-28 22:41:00,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.55/6.52 [2019-03-28 22:41:00,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.55/6.52 [2019-03-28 22:41:00,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.55/6.52 [2019-03-28 22:41:00,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.55/6.52 [2019-03-28 22:41:00,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.55/6.52 [2019-03-28 22:41:00,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.55/6.52 [2019-03-28 22:41:00,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.55/6.52 [2019-03-28 22:41:00,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.55/6.52 [2019-03-28 22:41:00,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.55/6.52 [2019-03-28 22:41:00,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.55/6.52 [2019-03-28 22:41:00,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.55/6.52 [2019-03-28 22:41:00,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.55/6.52 [2019-03-28 22:41:00,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.55/6.52 [2019-03-28 22:41:00,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.55/6.52 [2019-03-28 22:41:00,467 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.55/6.52 [2019-03-28 22:41:00,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.55/6.52 [2019-03-28 22:41:00,468 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.55/6.52 [2019-03-28 22:41:00,469 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.55/6.52 [2019-03-28 22:41:00,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.55/6.52 [2019-03-28 22:41:00,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.55/6.52 [2019-03-28 22:41:00,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.55/6.52 [2019-03-28 22:41:00,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.55/6.52 [2019-03-28 22:41:00,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.55/6.52 [2019-03-28 22:41:00,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.55/6.52 [2019-03-28 22:41:00,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.55/6.52 [2019-03-28 22:41:00,474 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.55/6.52 [2019-03-28 22:41:00,489 INFO L110 SettingsManager]: Loading preferences was successful 11.55/6.52 [2019-03-28 22:41:00,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.55/6.52 [2019-03-28 22:41:00,490 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.55/6.52 [2019-03-28 22:41:00,490 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.55/6.52 [2019-03-28 22:41:00,490 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.55/6.52 [2019-03-28 22:41:00,490 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.55/6.52 [2019-03-28 22:41:00,491 INFO L133 SettingsManager]: * Use SBE=true 11.55/6.52 [2019-03-28 22:41:00,491 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.55/6.52 [2019-03-28 22:41:00,491 INFO L133 SettingsManager]: * Use old map elimination=false 11.55/6.52 [2019-03-28 22:41:00,491 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.55/6.52 [2019-03-28 22:41:00,491 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.55/6.52 [2019-03-28 22:41:00,491 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.55/6.52 [2019-03-28 22:41:00,492 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.55/6.52 [2019-03-28 22:41:00,492 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.55/6.52 [2019-03-28 22:41:00,492 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.55/6.52 [2019-03-28 22:41:00,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.55/6.52 [2019-03-28 22:41:00,492 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.55/6.52 [2019-03-28 22:41:00,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.55/6.52 [2019-03-28 22:41:00,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.55/6.52 [2019-03-28 22:41:00,493 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.55/6.52 [2019-03-28 22:41:00,493 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.55/6.52 [2019-03-28 22:41:00,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.55/6.52 [2019-03-28 22:41:00,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.55/6.52 [2019-03-28 22:41:00,494 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.55/6.52 [2019-03-28 22:41:00,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.55/6.52 [2019-03-28 22:41:00,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.55/6.52 [2019-03-28 22:41:00,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.55/6.52 [2019-03-28 22:41:00,494 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.55/6.52 [2019-03-28 22:41:00,494 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.55/6.52 [2019-03-28 22:41:00,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.55/6.52 [2019-03-28 22:41:00,533 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.55/6.52 [2019-03-28 22:41:00,537 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.55/6.52 [2019-03-28 22:41:00,538 INFO L271 PluginConnector]: Initializing CDTParser... 11.55/6.52 [2019-03-28 22:41:00,539 INFO L276 PluginConnector]: CDTParser initialized 11.55/6.52 [2019-03-28 22:41:00,539 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.55/6.52 [2019-03-28 22:41:00,609 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b7eafaf32fde4a96b97fa68c28168745/FLAG3b76ff504 11.55/6.52 [2019-03-28 22:41:00,955 INFO L307 CDTParser]: Found 1 translation units. 11.55/6.52 [2019-03-28 22:41:00,955 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.55/6.52 [2019-03-28 22:41:00,962 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b7eafaf32fde4a96b97fa68c28168745/FLAG3b76ff504 11.55/6.52 [2019-03-28 22:41:01,357 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b7eafaf32fde4a96b97fa68c28168745 11.55/6.52 [2019-03-28 22:41:01,369 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.55/6.52 [2019-03-28 22:41:01,371 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.55/6.52 [2019-03-28 22:41:01,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.55/6.52 [2019-03-28 22:41:01,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.55/6.52 [2019-03-28 22:41:01,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.55/6.52 [2019-03-28 22:41:01,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df121f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:01,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.55/6.52 [2019-03-28 22:41:01,408 INFO L176 MainTranslator]: Built tables and reachable declarations 11.55/6.52 [2019-03-28 22:41:01,570 INFO L206 PostProcessor]: Analyzing one entry point: main 11.55/6.52 [2019-03-28 22:41:01,575 INFO L191 MainTranslator]: Completed pre-run 11.55/6.52 [2019-03-28 22:41:01,591 INFO L206 PostProcessor]: Analyzing one entry point: main 11.55/6.52 [2019-03-28 22:41:01,668 INFO L195 MainTranslator]: Completed translation 11.55/6.52 [2019-03-28 22:41:01,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01 WrapperNode 11.55/6.52 [2019-03-28 22:41:01,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.55/6.52 [2019-03-28 22:41:01,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.55/6.52 [2019-03-28 22:41:01,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.55/6.52 [2019-03-28 22:41:01,670 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.55/6.52 [2019-03-28 22:41:01,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.55/6.52 [2019-03-28 22:41:01,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.55/6.52 [2019-03-28 22:41:01,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.55/6.52 [2019-03-28 22:41:01,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.55/6.52 [2019-03-28 22:41:01,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.55/6.52 [2019-03-28 22:41:01,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.55/6.52 [2019-03-28 22:41:01,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.55/6.52 [2019-03-28 22:41:01,729 INFO L276 PluginConnector]: RCFGBuilder initialized 11.55/6.52 [2019-03-28 22:41:01,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (1/1) ... 11.55/6.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.55/6.52 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.55/6.52 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.55/6.52 [2019-03-28 22:41:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.55/6.52 [2019-03-28 22:41:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.55/6.52 [2019-03-28 22:41:01,912 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.55/6.52 [2019-03-28 22:41:01,912 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.55/6.52 [2019-03-28 22:41:01,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:01 BoogieIcfgContainer 11.55/6.52 [2019-03-28 22:41:01,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.55/6.52 [2019-03-28 22:41:01,914 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.55/6.52 [2019-03-28 22:41:01,914 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.55/6.52 [2019-03-28 22:41:01,916 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.55/6.52 [2019-03-28 22:41:01,917 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:01" (1/1) ... 11.55/6.52 [2019-03-28 22:41:01,932 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 11.55/6.52 [2019-03-28 22:41:01,933 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.55/6.52 [2019-03-28 22:41:01,934 INFO L263 BlockEncoder]: Using Maximize final states 11.55/6.52 [2019-03-28 22:41:01,935 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.55/6.52 [2019-03-28 22:41:01,935 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.55/6.52 [2019-03-28 22:41:01,937 INFO L296 BlockEncoder]: Using Remove sink states 11.55/6.52 [2019-03-28 22:41:01,938 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.55/6.52 [2019-03-28 22:41:01,938 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.55/6.52 [2019-03-28 22:41:01,952 INFO L185 BlockEncoder]: Using Use SBE 11.55/6.52 [2019-03-28 22:41:01,960 INFO L200 BlockEncoder]: SBE split 0 edges 11.55/6.52 [2019-03-28 22:41:01,965 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.55/6.52 [2019-03-28 22:41:01,966 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.55/6.52 [2019-03-28 22:41:01,979 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 11.55/6.52 [2019-03-28 22:41:01,981 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.55/6.52 [2019-03-28 22:41:01,983 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.55/6.52 [2019-03-28 22:41:01,983 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.55/6.52 [2019-03-28 22:41:01,983 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.55/6.52 [2019-03-28 22:41:01,984 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.55/6.52 [2019-03-28 22:41:01,984 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 11.55/6.52 [2019-03-28 22:41:01,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:41:01 BasicIcfg 11.55/6.52 [2019-03-28 22:41:01,985 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.55/6.52 [2019-03-28 22:41:01,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.55/6.52 [2019-03-28 22:41:01,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.55/6.52 [2019-03-28 22:41:01,989 INFO L276 PluginConnector]: TraceAbstraction initialized 11.55/6.52 [2019-03-28 22:41:01,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:41:01" (1/4) ... 11.55/6.52 [2019-03-28 22:41:01,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0ed239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:41:01, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:01,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (2/4) ... 11.55/6.52 [2019-03-28 22:41:01,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0ed239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:41:01, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:01,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:01" (3/4) ... 11.55/6.52 [2019-03-28 22:41:01,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0ed239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:41:01, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:01,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:41:01" (4/4) ... 11.55/6.52 [2019-03-28 22:41:01,993 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.55/6.52 [2019-03-28 22:41:02,003 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.55/6.52 [2019-03-28 22:41:02,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.55/6.52 [2019-03-28 22:41:02,028 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.55/6.52 [2019-03-28 22:41:02,056 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.55/6.52 [2019-03-28 22:41:02,057 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.55/6.52 [2019-03-28 22:41:02,057 INFO L383 AbstractCegarLoop]: Hoare is true 11.55/6.52 [2019-03-28 22:41:02,058 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.55/6.52 [2019-03-28 22:41:02,058 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.55/6.52 [2019-03-28 22:41:02,058 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.55/6.52 [2019-03-28 22:41:02,058 INFO L387 AbstractCegarLoop]: Difference is false 11.55/6.52 [2019-03-28 22:41:02,058 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.55/6.52 [2019-03-28 22:41:02,058 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.55/6.52 [2019-03-28 22:41:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.55/6.52 [2019-03-28 22:41:02,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.55/6.52 [2019-03-28 22:41:02,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.55/6.52 [2019-03-28 22:41:02,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.55/6.52 [2019-03-28 22:41:02,086 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 14 28) no Hoare annotation was computed. 11.55/6.52 [2019-03-28 22:41:02,086 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. 11.55/6.52 [2019-03-28 22:41:02,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:41:02 BasicIcfg 11.55/6.52 [2019-03-28 22:41:02,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.55/6.52 [2019-03-28 22:41:02,090 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.55/6.52 [2019-03-28 22:41:02,090 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.55/6.52 [2019-03-28 22:41:02,093 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.55/6.52 [2019-03-28 22:41:02,094 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.55/6.52 [2019-03-28 22:41:02,094 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:41:01" (1/5) ... 11.55/6.52 [2019-03-28 22:41:02,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe589a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:41:02, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:02,095 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.55/6.52 [2019-03-28 22:41:02,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:41:01" (2/5) ... 11.55/6.52 [2019-03-28 22:41:02,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe589a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:41:02, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:02,096 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.55/6.52 [2019-03-28 22:41:02,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:41:01" (3/5) ... 11.55/6.52 [2019-03-28 22:41:02,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe589a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:41:02, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:02,097 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.55/6.52 [2019-03-28 22:41:02,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:41:01" (4/5) ... 11.55/6.52 [2019-03-28 22:41:02,097 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe589a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:41:02, skipping insertion in model container 11.55/6.52 [2019-03-28 22:41:02,097 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.55/6.52 [2019-03-28 22:41:02,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:41:02" (5/5) ... 11.55/6.52 [2019-03-28 22:41:02,099 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.55/6.52 [2019-03-28 22:41:02,126 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.55/6.52 [2019-03-28 22:41:02,127 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.55/6.52 [2019-03-28 22:41:02,127 INFO L375 BuchiCegarLoop]: Hoare is true 11.55/6.52 [2019-03-28 22:41:02,127 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.55/6.52 [2019-03-28 22:41:02,127 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.55/6.52 [2019-03-28 22:41:02,127 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.55/6.52 [2019-03-28 22:41:02,128 INFO L379 BuchiCegarLoop]: Difference is false 11.55/6.52 [2019-03-28 22:41:02,128 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.55/6.52 [2019-03-28 22:41:02,128 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.55/6.52 [2019-03-28 22:41:02,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.55/6.52 [2019-03-28 22:41:02,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.55/6.52 [2019-03-28 22:41:02,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.55/6.52 [2019-03-28 22:41:02,150 INFO L119 BuchiIsEmpty]: Starting construction of run 11.55/6.52 [2019-03-28 22:41:02,156 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.55/6.52 [2019-03-28 22:41:02,156 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.55/6.52 [2019-03-28 22:41:02,156 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.55/6.52 [2019-03-28 22:41:02,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.55/6.52 [2019-03-28 22:41:02,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.55/6.52 [2019-03-28 22:41:02,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.55/6.52 [2019-03-28 22:41:02,157 INFO L119 BuchiIsEmpty]: Starting construction of run 11.55/6.52 [2019-03-28 22:41:02,158 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.55/6.52 [2019-03-28 22:41:02,158 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.55/6.52 [2019-03-28 22:41:02,163 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [24] ULTIMATE.startENTRY-->L18: Formula: (and (= v_ULTIMATE.start_main_~k~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~k~0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L18true [29] L18-->L23-1: Formula: (<= 0 v_ULTIMATE.start_main_~k~0_6) InVars {ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_6} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_6} AuxVars[] AssignedVars[] 4#L23-1true 11.55/6.52 [2019-03-28 22:41:02,164 INFO L796 eck$LassoCheckResult]: Loop: 4#L23-1true [28] L23-1-->L23-1: Formula: (and (= v_ULTIMATE.start_main_~i~0_9 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= 0 v_ULTIMATE.start_main_~i~0_10)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~i~0] 4#L23-1true 11.55/6.52 [2019-03-28 22:41:02,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.55/6.52 [2019-03-28 22:41:02,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times 11.55/6.52 [2019-03-28 22:41:02,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.55/6.52 [2019-03-28 22:41:02,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.55/6.52 [2019-03-28 22:41:02,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.55/6.52 [2019-03-28 22:41:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.55/6.52 [2019-03-28 22:41:02,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.55/6.52 [2019-03-28 22:41:02,284 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times 11.55/6.52 [2019-03-28 22:41:02,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.55/6.52 [2019-03-28 22:41:02,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.55/6.52 [2019-03-28 22:41:02,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.55/6.52 [2019-03-28 22:41:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.55/6.52 [2019-03-28 22:41:02,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.55/6.52 [2019-03-28 22:41:02,292 INFO L82 PathProgramCache]: Analyzing trace with hash 53782, now seen corresponding path program 1 times 11.55/6.52 [2019-03-28 22:41:02,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.55/6.52 [2019-03-28 22:41:02,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.55/6.52 [2019-03-28 22:41:02,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.55/6.52 [2019-03-28 22:41:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.55/6.52 [2019-03-28 22:41:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.55/6.52 [2019-03-28 22:41:02,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:41:02 BasicIcfg 11.55/6.52 [2019-03-28 22:41:02,375 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.55/6.52 [2019-03-28 22:41:02,376 INFO L168 Benchmark]: Toolchain (without parser) took 1005.83 ms. Allocated memory was 649.6 MB in the beginning and 672.7 MB in the end (delta: 23.1 MB). Free memory was 565.0 MB in the beginning and 593.2 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,378 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.30 ms. Allocated memory was 649.6 MB in the beginning and 672.7 MB in the end (delta: 23.1 MB). Free memory was 565.0 MB in the beginning and 640.1 MB in the end (delta: -75.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 672.7 MB. Free memory was 640.1 MB in the beginning and 637.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,380 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 ms. Allocated memory is still 672.7 MB. Free memory was 637.0 MB in the beginning and 635.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,380 INFO L168 Benchmark]: RCFGBuilder took 185.38 ms. Allocated memory is still 672.7 MB. Free memory was 635.7 MB in the beginning and 622.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,381 INFO L168 Benchmark]: BlockEncodingV2 took 70.80 ms. Allocated memory is still 672.7 MB. Free memory was 622.6 MB in the beginning and 617.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,382 INFO L168 Benchmark]: TraceAbstraction took 103.79 ms. Allocated memory is still 672.7 MB. Free memory was 616.2 MB in the beginning and 609.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,382 INFO L168 Benchmark]: BuchiAutomizer took 285.33 ms. Allocated memory is still 672.7 MB. Free memory was 609.4 MB in the beginning and 593.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 50.3 GB. 11.55/6.52 [2019-03-28 22:41:02,387 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.55/6.52 --- Results --- 11.55/6.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.55/6.52 - StatisticsResult: Initial Icfg 11.55/6.52 7 locations, 9 edges 11.55/6.52 - StatisticsResult: Encoded RCFG 11.55/6.52 3 locations, 4 edges 11.55/6.52 * Results from de.uni_freiburg.informatik.ultimate.core: 11.55/6.52 - StatisticsResult: Toolchain Benchmarks 11.55/6.52 Benchmark results are: 11.55/6.52 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.55/6.52 * CACSL2BoogieTranslator took 297.30 ms. Allocated memory was 649.6 MB in the beginning and 672.7 MB in the end (delta: 23.1 MB). Free memory was 565.0 MB in the beginning and 640.1 MB in the end (delta: -75.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 50.3 GB. 11.55/6.52 * Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 672.7 MB. Free memory was 640.1 MB in the beginning and 637.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.55/6.52 * Boogie Preprocessor took 19.48 ms. Allocated memory is still 672.7 MB. Free memory was 637.0 MB in the beginning and 635.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 11.55/6.52 * RCFGBuilder took 185.38 ms. Allocated memory is still 672.7 MB. Free memory was 635.7 MB in the beginning and 622.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 11.55/6.52 * BlockEncodingV2 took 70.80 ms. Allocated memory is still 672.7 MB. Free memory was 622.6 MB in the beginning and 617.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 11.55/6.52 * TraceAbstraction took 103.79 ms. Allocated memory is still 672.7 MB. Free memory was 616.2 MB in the beginning and 609.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 11.55/6.52 * BuchiAutomizer took 285.33 ms. Allocated memory is still 672.7 MB. Free memory was 609.4 MB in the beginning and 593.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 50.3 GB. 11.55/6.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.55/6.52 - AllSpecificationsHoldResult: All specifications hold 11.55/6.52 We were not able to verify any specifiation because the program does not contain any specification. 11.55/6.52 - StatisticsResult: Ultimate Automizer benchmark data 11.55/6.52 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 11.55/6.52 - StatisticsResult: Constructed decomposition of program 11.55/6.52 Trivial decomposition into one nonterminating module. 11.55/6.52 - StatisticsResult: Timing statistics 11.55/6.52 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 11.55/6.52 - TerminationAnalysisResult: Nontermination possible 11.55/6.52 Buchi Automizer proved that your program is nonterminating for some inputs 11.55/6.52 - FixpointNonTerminationResult [Line: 23]: Nontermination argument in form of an infinite program execution. 11.55/6.52 Nontermination argument in form of an infinite execution 11.55/6.52 State at position 0 is 11.55/6.52 {} 11.55/6.52 State at position 1 is 11.55/6.52 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3637316a=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e294bf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5614e22c=0, i=0, k=0} 11.55/6.52 - StatisticsResult: NonterminationArgumentStatistics 11.55/6.52 Fixpoint 11.55/6.52 - NonterminatingLassoResult [Line: 14]: Nonterminating execution 11.55/6.52 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.55/6.52 Stem: 11.55/6.52 [L15] int k, i; 11.55/6.52 [L16] k = __VERIFIER_nondet_int() 11.55/6.52 [L17] i = __VERIFIER_nondet_int() 11.55/6.52 [L18] COND TRUE k >= 0 11.55/6.52 Loop: 11.55/6.52 [L23] COND TRUE i >= 0 11.55/6.52 [L24] i = __VERIFIER_nondet_int() 11.55/6.52 End of lasso representation. 11.55/6.52 RESULT: Ultimate proved your program to be incorrect! 11.55/6.52 !SESSION 2019-03-28 22:40:58.097 ----------------------------------------------- 11.55/6.52 eclipse.buildId=unknown 11.55/6.52 java.version=1.8.0_181 11.55/6.52 java.vendor=Oracle Corporation 11.55/6.52 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.55/6.52 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.55/6.52 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.55/6.52 11.55/6.52 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:41:02.626 11.55/6.52 !MESSAGE The workspace will exit with unsaved changes in this session. 11.55/6.52 Received shutdown request... 11.55/6.52 Ultimate: 11.55/6.52 GTK+ Version Check 11.55/6.52 EOF