11.62/6.44 NO 11.62/6.44 11.62/6.44 Ultimate: Cannot open display: 11.62/6.44 This is Ultimate 0.1.24-8dc7c08-m 11.62/6.44 [2019-03-28 12:26:31,415 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.62/6.44 [2019-03-28 12:26:31,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.62/6.44 [2019-03-28 12:26:31,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.62/6.44 [2019-03-28 12:26:31,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.62/6.44 [2019-03-28 12:26:31,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.62/6.44 [2019-03-28 12:26:31,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.62/6.44 [2019-03-28 12:26:31,434 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.62/6.44 [2019-03-28 12:26:31,435 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.62/6.44 [2019-03-28 12:26:31,436 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,436 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.62/6.44 [2019-03-28 12:26:31,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.62/6.44 [2019-03-28 12:26:31,438 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.62/6.44 [2019-03-28 12:26:31,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.62/6.44 [2019-03-28 12:26:31,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.62/6.44 [2019-03-28 12:26:31,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.62/6.44 [2019-03-28 12:26:31,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.62/6.44 [2019-03-28 12:26:31,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.62/6.44 [2019-03-28 12:26:31,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.62/6.44 [2019-03-28 12:26:31,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.62/6.44 [2019-03-28 12:26:31,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.62/6.44 [2019-03-28 12:26:31,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,450 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.62/6.44 [2019-03-28 12:26:31,451 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.62/6.44 [2019-03-28 12:26:31,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.62/6.44 [2019-03-28 12:26:31,452 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,452 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.62/6.44 [2019-03-28 12:26:31,453 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.62/6.44 [2019-03-28 12:26:31,454 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.62/6.44 [2019-03-28 12:26:31,454 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.62/6.44 [2019-03-28 12:26:31,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.62/6.44 [2019-03-28 12:26:31,456 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,456 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.62/6.44 [2019-03-28 12:26:31,457 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.62/6.44 [2019-03-28 12:26:31,458 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.62/6.44 [2019-03-28 12:26:31,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.62/6.44 [2019-03-28 12:26:31,458 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.62/6.44 [2019-03-28 12:26:31,473 INFO L110 SettingsManager]: Loading preferences was successful 11.62/6.44 [2019-03-28 12:26:31,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.62/6.44 [2019-03-28 12:26:31,475 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.62/6.44 [2019-03-28 12:26:31,475 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.62/6.44 [2019-03-28 12:26:31,475 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.62/6.44 [2019-03-28 12:26:31,475 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.62/6.44 [2019-03-28 12:26:31,475 INFO L133 SettingsManager]: * Use SBE=true 11.62/6.44 [2019-03-28 12:26:31,475 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.62/6.44 [2019-03-28 12:26:31,476 INFO L133 SettingsManager]: * Use old map elimination=false 11.62/6.44 [2019-03-28 12:26:31,476 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.62/6.44 [2019-03-28 12:26:31,476 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.62/6.44 [2019-03-28 12:26:31,476 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.62/6.44 [2019-03-28 12:26:31,476 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.62/6.44 [2019-03-28 12:26:31,476 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.62/6.44 [2019-03-28 12:26:31,477 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.62/6.44 [2019-03-28 12:26:31,477 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.62/6.44 [2019-03-28 12:26:31,477 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.62/6.44 [2019-03-28 12:26:31,477 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.62/6.44 [2019-03-28 12:26:31,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.62/6.44 [2019-03-28 12:26:31,478 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.62/6.44 [2019-03-28 12:26:31,478 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.62/6.44 [2019-03-28 12:26:31,478 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.62/6.44 [2019-03-28 12:26:31,478 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.62/6.44 [2019-03-28 12:26:31,478 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.62/6.44 [2019-03-28 12:26:31,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.62/6.44 [2019-03-28 12:26:31,479 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.62/6.44 [2019-03-28 12:26:31,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.62/6.44 [2019-03-28 12:26:31,479 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.62/6.44 [2019-03-28 12:26:31,479 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.62/6.44 [2019-03-28 12:26:31,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.62/6.44 [2019-03-28 12:26:31,518 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.62/6.44 [2019-03-28 12:26:31,522 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.62/6.44 [2019-03-28 12:26:31,523 INFO L271 PluginConnector]: Initializing CDTParser... 11.62/6.44 [2019-03-28 12:26:31,524 INFO L276 PluginConnector]: CDTParser initialized 11.62/6.44 [2019-03-28 12:26:31,524 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/6.44 [2019-03-28 12:26:31,590 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b4769c21564c40b98c7fbc95e14edaf5/FLAGd99f42ba0 11.62/6.44 [2019-03-28 12:26:31,924 INFO L307 CDTParser]: Found 1 translation units. 11.62/6.44 [2019-03-28 12:26:31,925 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/6.44 [2019-03-28 12:26:31,932 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b4769c21564c40b98c7fbc95e14edaf5/FLAGd99f42ba0 11.62/6.44 [2019-03-28 12:26:32,366 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b4769c21564c40b98c7fbc95e14edaf5 11.62/6.44 [2019-03-28 12:26:32,378 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.62/6.44 [2019-03-28 12:26:32,379 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.62/6.44 [2019-03-28 12:26:32,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.62/6.44 [2019-03-28 12:26:32,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.62/6.44 [2019-03-28 12:26:32,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.62/6.44 [2019-03-28 12:26:32,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc46d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:32,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.62/6.44 [2019-03-28 12:26:32,412 INFO L176 MainTranslator]: Built tables and reachable declarations 11.62/6.44 [2019-03-28 12:26:32,567 INFO L206 PostProcessor]: Analyzing one entry point: main 11.62/6.44 [2019-03-28 12:26:32,572 INFO L191 MainTranslator]: Completed pre-run 11.62/6.44 [2019-03-28 12:26:32,586 INFO L206 PostProcessor]: Analyzing one entry point: main 11.62/6.44 [2019-03-28 12:26:32,601 INFO L195 MainTranslator]: Completed translation 11.62/6.44 [2019-03-28 12:26:32,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32 WrapperNode 11.62/6.44 [2019-03-28 12:26:32,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.62/6.44 [2019-03-28 12:26:32,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.62/6.44 [2019-03-28 12:26:32,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.62/6.44 [2019-03-28 12:26:32,603 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.62/6.44 [2019-03-28 12:26:32,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.62/6.44 [2019-03-28 12:26:32,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.62/6.44 [2019-03-28 12:26:32,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.62/6.44 [2019-03-28 12:26:32,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.62/6.44 [2019-03-28 12:26:32,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.62/6.44 [2019-03-28 12:26:32,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.62/6.44 [2019-03-28 12:26:32,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.62/6.44 [2019-03-28 12:26:32,723 INFO L276 PluginConnector]: RCFGBuilder initialized 11.62/6.44 [2019-03-28 12:26:32,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (1/1) ... 11.62/6.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.62/6.44 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.62/6.44 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.62/6.44 [2019-03-28 12:26:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.62/6.44 [2019-03-28 12:26:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.62/6.44 [2019-03-28 12:26:32,909 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.62/6.44 [2019-03-28 12:26:32,909 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.62/6.44 [2019-03-28 12:26:32,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:32 BoogieIcfgContainer 11.62/6.44 [2019-03-28 12:26:32,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.62/6.44 [2019-03-28 12:26:32,926 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.62/6.44 [2019-03-28 12:26:32,927 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.62/6.44 [2019-03-28 12:26:32,929 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.62/6.44 [2019-03-28 12:26:32,930 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:32" (1/1) ... 11.62/6.44 [2019-03-28 12:26:32,946 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 11.62/6.44 [2019-03-28 12:26:32,948 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.62/6.44 [2019-03-28 12:26:32,949 INFO L263 BlockEncoder]: Using Maximize final states 11.62/6.44 [2019-03-28 12:26:32,949 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.62/6.44 [2019-03-28 12:26:32,950 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.62/6.44 [2019-03-28 12:26:32,952 INFO L296 BlockEncoder]: Using Remove sink states 11.62/6.44 [2019-03-28 12:26:32,953 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.62/6.44 [2019-03-28 12:26:32,954 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.62/6.44 [2019-03-28 12:26:32,970 INFO L185 BlockEncoder]: Using Use SBE 11.62/6.44 [2019-03-28 12:26:32,978 INFO L200 BlockEncoder]: SBE split 0 edges 11.62/6.44 [2019-03-28 12:26:32,984 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.62/6.44 [2019-03-28 12:26:32,986 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.62/6.44 [2019-03-28 12:26:33,005 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 11.62/6.44 [2019-03-28 12:26:33,008 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.62/6.44 [2019-03-28 12:26:33,010 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.62/6.44 [2019-03-28 12:26:33,010 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.62/6.44 [2019-03-28 12:26:33,010 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.62/6.44 [2019-03-28 12:26:33,010 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.62/6.44 [2019-03-28 12:26:33,011 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.62/6.44 [2019-03-28 12:26:33,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:33 BasicIcfg 11.62/6.44 [2019-03-28 12:26:33,011 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.62/6.44 [2019-03-28 12:26:33,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.62/6.44 [2019-03-28 12:26:33,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.62/6.44 [2019-03-28 12:26:33,016 INFO L276 PluginConnector]: TraceAbstraction initialized 11.62/6.44 [2019-03-28 12:26:33,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:26:32" (1/4) ... 11.62/6.44 [2019-03-28 12:26:33,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7fa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (2/4) ... 11.62/6.44 [2019-03-28 12:26:33,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7fa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:32" (3/4) ... 11.62/6.44 [2019-03-28 12:26:33,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7fa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:33" (4/4) ... 11.62/6.44 [2019-03-28 12:26:33,020 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.62/6.44 [2019-03-28 12:26:33,030 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.62/6.44 [2019-03-28 12:26:33,038 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.62/6.44 [2019-03-28 12:26:33,055 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.62/6.44 [2019-03-28 12:26:33,085 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.62/6.44 [2019-03-28 12:26:33,085 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.62/6.44 [2019-03-28 12:26:33,086 INFO L383 AbstractCegarLoop]: Hoare is true 11.62/6.44 [2019-03-28 12:26:33,086 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.62/6.44 [2019-03-28 12:26:33,086 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.62/6.44 [2019-03-28 12:26:33,086 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.62/6.44 [2019-03-28 12:26:33,086 INFO L387 AbstractCegarLoop]: Difference is false 11.62/6.44 [2019-03-28 12:26:33,087 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.62/6.44 [2019-03-28 12:26:33,087 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.62/6.44 [2019-03-28 12:26:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.62/6.44 [2019-03-28 12:26:33,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.62/6.44 [2019-03-28 12:26:33,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.62/6.44 [2019-03-28 12:26:33,161 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.62/6.44 [2019-03-28 12:26:33,161 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: true 11.62/6.44 [2019-03-28 12:26:33,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:33 BasicIcfg 11.62/6.44 [2019-03-28 12:26:33,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.62/6.44 [2019-03-28 12:26:33,170 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.62/6.44 [2019-03-28 12:26:33,170 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.62/6.44 [2019-03-28 12:26:33,173 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.62/6.44 [2019-03-28 12:26:33,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/6.44 [2019-03-28 12:26:33,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:26:32" (1/5) ... 11.62/6.44 [2019-03-28 12:26:33,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b86750c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/6.44 [2019-03-28 12:26:33,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:32" (2/5) ... 11.62/6.44 [2019-03-28 12:26:33,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b86750c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/6.44 [2019-03-28 12:26:33,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:32" (3/5) ... 11.62/6.44 [2019-03-28 12:26:33,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b86750c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/6.44 [2019-03-28 12:26:33,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:33" (4/5) ... 11.62/6.44 [2019-03-28 12:26:33,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b86750c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:33, skipping insertion in model container 11.62/6.44 [2019-03-28 12:26:33,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.62/6.44 [2019-03-28 12:26:33,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:33" (5/5) ... 11.62/6.44 [2019-03-28 12:26:33,178 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.62/6.44 [2019-03-28 12:26:33,205 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.62/6.44 [2019-03-28 12:26:33,206 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.62/6.44 [2019-03-28 12:26:33,206 INFO L375 BuchiCegarLoop]: Hoare is true 11.62/6.44 [2019-03-28 12:26:33,206 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.62/6.44 [2019-03-28 12:26:33,206 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.62/6.44 [2019-03-28 12:26:33,206 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.62/6.44 [2019-03-28 12:26:33,206 INFO L379 BuchiCegarLoop]: Difference is false 11.62/6.44 [2019-03-28 12:26:33,206 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.62/6.44 [2019-03-28 12:26:33,207 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.62/6.44 [2019-03-28 12:26:33,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.62/6.44 [2019-03-28 12:26:33,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.62/6.44 [2019-03-28 12:26:33,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.62/6.44 [2019-03-28 12:26:33,227 INFO L119 BuchiIsEmpty]: Starting construction of run 11.62/6.44 [2019-03-28 12:26:33,233 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.62/6.44 [2019-03-28 12:26:33,233 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.62/6.44 [2019-03-28 12:26:33,233 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.62/6.44 [2019-03-28 12:26:33,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.62/6.44 [2019-03-28 12:26:33,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.62/6.44 [2019-03-28 12:26:33,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.62/6.44 [2019-03-28 12:26:33,234 INFO L119 BuchiIsEmpty]: Starting construction of run 11.62/6.44 [2019-03-28 12:26:33,234 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.62/6.44 [2019-03-28 12:26:33,234 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.62/6.44 [2019-03-28 12:26:33,239 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L11-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L11-2true 11.62/6.44 [2019-03-28 12:26:33,240 INFO L796 eck$LassoCheckResult]: Loop: 4#L11-2true [24] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 |v_ULTIMATE.start_main_#t~nondet1_3|)) (<= 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~x~0] 4#L11-2true 11.62/6.44 [2019-03-28 12:26:33,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.62/6.44 [2019-03-28 12:26:33,246 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 11.62/6.44 [2019-03-28 12:26:33,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.62/6.44 [2019-03-28 12:26:33,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.62/6.44 [2019-03-28 12:26:33,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/6.44 [2019-03-28 12:26:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/6.44 [2019-03-28 12:26:33,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.62/6.44 [2019-03-28 12:26:33,310 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 11.62/6.44 [2019-03-28 12:26:33,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.62/6.44 [2019-03-28 12:26:33,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.62/6.44 [2019-03-28 12:26:33,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/6.44 [2019-03-28 12:26:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/6.44 [2019-03-28 12:26:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.62/6.44 [2019-03-28 12:26:33,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times 11.62/6.44 [2019-03-28 12:26:33,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.62/6.44 [2019-03-28 12:26:33,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.62/6.44 [2019-03-28 12:26:33,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.62/6.44 [2019-03-28 12:26:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/6.44 [2019-03-28 12:26:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.62/6.44 [2019-03-28 12:26:33,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:33 BasicIcfg 11.62/6.44 [2019-03-28 12:26:33,395 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.62/6.44 [2019-03-28 12:26:33,396 INFO L168 Benchmark]: Toolchain (without parser) took 1017.57 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 565.2 MB in the beginning and 573.8 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,398 INFO L168 Benchmark]: CDTParser took 0.18 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. 11.62/6.44 [2019-03-28 12:26:33,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.19 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.26 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 554.4 MB in the beginning and 623.6 MB in the end (delta: -69.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,400 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 ms. Allocated memory is still 655.9 MB. Free memory was 623.6 MB in the beginning and 620.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,400 INFO L168 Benchmark]: RCFGBuilder took 203.61 ms. Allocated memory is still 655.9 MB. Free memory was 620.5 MB in the beginning and 607.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,401 INFO L168 Benchmark]: BlockEncodingV2 took 85.22 ms. Allocated memory is still 655.9 MB. Free memory was 607.6 MB in the beginning and 603.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,402 INFO L168 Benchmark]: TraceAbstraction took 156.57 ms. Allocated memory is still 655.9 MB. Free memory was 602.2 MB in the beginning and 594.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,403 INFO L168 Benchmark]: BuchiAutomizer took 225.84 ms. Allocated memory is still 655.9 MB. Free memory was 594.0 MB in the beginning and 573.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 11.62/6.44 [2019-03-28 12:26:33,408 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.62/6.44 --- Results --- 11.62/6.44 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.62/6.44 - StatisticsResult: Initial Icfg 11.62/6.44 6 locations, 7 edges 11.62/6.44 - StatisticsResult: Encoded RCFG 11.62/6.44 2 locations, 2 edges 11.62/6.44 * Results from de.uni_freiburg.informatik.ultimate.core: 11.62/6.44 - StatisticsResult: Toolchain Benchmarks 11.62/6.44 Benchmark results are: 11.62/6.44 * CDTParser took 0.18 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. 11.62/6.44 * CACSL2BoogieTranslator took 222.19 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.62/6.44 * Boogie Procedure Inliner took 98.26 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 554.4 MB in the beginning and 623.6 MB in the end (delta: -69.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 11.62/6.44 * Boogie Preprocessor took 20.60 ms. Allocated memory is still 655.9 MB. Free memory was 623.6 MB in the beginning and 620.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.62/6.44 * RCFGBuilder took 203.61 ms. Allocated memory is still 655.9 MB. Free memory was 620.5 MB in the beginning and 607.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.62/6.44 * BlockEncodingV2 took 85.22 ms. Allocated memory is still 655.9 MB. Free memory was 607.6 MB in the beginning and 603.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 11.62/6.44 * TraceAbstraction took 156.57 ms. Allocated memory is still 655.9 MB. Free memory was 602.2 MB in the beginning and 594.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 11.62/6.44 * BuchiAutomizer took 225.84 ms. Allocated memory is still 655.9 MB. Free memory was 594.0 MB in the beginning and 573.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 11.62/6.44 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.62/6.44 - AllSpecificationsHoldResult: All specifications hold 11.62/6.44 We were not able to verify any specifiation because the program does not contain any specification. 11.62/6.44 - InvariantResult [Line: 11]: Loop Invariant 11.62/6.44 Derived loop invariant: 1 11.62/6.44 - StatisticsResult: Ultimate Automizer benchmark data 11.62/6.44 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.62/6.45 - StatisticsResult: Constructed decomposition of program 11.62/6.45 Trivial decomposition into one nonterminating module. 11.62/6.45 - StatisticsResult: Timing statistics 11.62/6.45 BüchiAutomizer plugin needed 0.1s 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 11.62/6.45 - TerminationAnalysisResult: Nontermination possible 11.62/6.45 Buchi Automizer proved that your program is nonterminating for some inputs 11.62/6.45 - FixpointNonTerminationResult [Line: 11]: Nontermination argument in form of an infinite program execution. 11.62/6.45 Nontermination argument in form of an infinite execution 11.62/6.45 State at position 0 is 11.62/6.45 {} 11.62/6.45 State at position 1 is 11.62/6.45 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57e47a19=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@478802b4=0, x=0} 11.62/6.45 - StatisticsResult: NonterminationArgumentStatistics 11.62/6.45 Fixpoint 11.62/6.45 - NonterminatingLassoResult [Line: 11]: Nonterminating execution 11.62/6.45 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.62/6.45 Stem: 11.62/6.45 [L10] int x = __VERIFIER_nondet_int(); 11.62/6.45 Loop: 11.62/6.45 [L11] COND TRUE x >= 0 11.62/6.45 [L12] x += __VERIFIER_nondet_int() 11.62/6.45 End of lasso representation. 11.62/6.45 RESULT: Ultimate proved your program to be incorrect! 11.62/6.45 !SESSION 2019-03-28 12:26:29.029 ----------------------------------------------- 11.62/6.45 eclipse.buildId=unknown 11.62/6.45 java.version=1.8.0_181 11.62/6.45 java.vendor=Oracle Corporation 11.62/6.45 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.62/6.45 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.62/6.45 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 11.62/6.45 11.62/6.45 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:26:33.645 11.62/6.45 !MESSAGE The workspace will exit with unsaved changes in this session. 11.62/6.45 Received shutdown request... 11.62/6.45 Ultimate: 11.62/6.45 GTK+ Version Check 11.62/6.45 EOF