11.68/5.35 MAYBE 11.68/5.35 11.68/5.35 Ultimate: Cannot open display: 11.68/5.35 This is Ultimate 0.1.24-8dc7c08-m 11.68/5.35 [2019-03-28 12:46:45,323 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.68/5.35 [2019-03-28 12:46:45,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.68/5.35 [2019-03-28 12:46:45,336 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.68/5.35 [2019-03-28 12:46:45,337 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.68/5.35 [2019-03-28 12:46:45,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.68/5.35 [2019-03-28 12:46:45,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.68/5.35 [2019-03-28 12:46:45,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.68/5.35 [2019-03-28 12:46:45,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.68/5.35 [2019-03-28 12:46:45,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.68/5.35 [2019-03-28 12:46:45,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.68/5.35 [2019-03-28 12:46:45,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.68/5.35 [2019-03-28 12:46:45,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.68/5.35 [2019-03-28 12:46:45,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.68/5.35 [2019-03-28 12:46:45,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.68/5.35 [2019-03-28 12:46:45,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.68/5.35 [2019-03-28 12:46:45,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.68/5.35 [2019-03-28 12:46:45,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.68/5.35 [2019-03-28 12:46:45,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.68/5.35 [2019-03-28 12:46:45,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.68/5.35 [2019-03-28 12:46:45,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,359 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.68/5.35 [2019-03-28 12:46:45,360 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.68/5.35 [2019-03-28 12:46:45,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.68/5.35 [2019-03-28 12:46:45,361 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.68/5.35 [2019-03-28 12:46:45,362 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.68/5.35 [2019-03-28 12:46:45,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.68/5.35 [2019-03-28 12:46:45,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.68/5.35 [2019-03-28 12:46:45,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.68/5.35 [2019-03-28 12:46:45,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,365 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.68/5.35 [2019-03-28 12:46:45,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.68/5.35 [2019-03-28 12:46:45,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.68/5.35 [2019-03-28 12:46:45,367 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.68/5.35 [2019-03-28 12:46:45,367 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.68/5.35 [2019-03-28 12:46:45,382 INFO L110 SettingsManager]: Loading preferences was successful 11.68/5.35 [2019-03-28 12:46:45,382 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.68/5.35 [2019-03-28 12:46:45,383 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.68/5.35 [2019-03-28 12:46:45,383 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.68/5.35 [2019-03-28 12:46:45,383 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.68/5.35 [2019-03-28 12:46:45,384 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.68/5.35 [2019-03-28 12:46:45,384 INFO L133 SettingsManager]: * Use SBE=true 11.68/5.35 [2019-03-28 12:46:45,384 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.68/5.35 [2019-03-28 12:46:45,384 INFO L133 SettingsManager]: * Use old map elimination=false 11.68/5.35 [2019-03-28 12:46:45,384 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.68/5.35 [2019-03-28 12:46:45,385 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.68/5.35 [2019-03-28 12:46:45,385 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.68/5.35 [2019-03-28 12:46:45,385 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.68/5.35 [2019-03-28 12:46:45,385 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.68/5.35 [2019-03-28 12:46:45,385 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.68/5.35 [2019-03-28 12:46:45,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.68/5.35 [2019-03-28 12:46:45,386 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.68/5.35 [2019-03-28 12:46:45,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.68/5.35 [2019-03-28 12:46:45,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.68/5.35 [2019-03-28 12:46:45,386 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.68/5.35 [2019-03-28 12:46:45,386 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.68/5.35 [2019-03-28 12:46:45,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.68/5.35 [2019-03-28 12:46:45,387 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.68/5.35 [2019-03-28 12:46:45,387 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.68/5.35 [2019-03-28 12:46:45,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.68/5.35 [2019-03-28 12:46:45,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.68/5.35 [2019-03-28 12:46:45,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.68/5.35 [2019-03-28 12:46:45,388 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.68/5.35 [2019-03-28 12:46:45,388 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.68/5.35 [2019-03-28 12:46:45,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.68/5.35 [2019-03-28 12:46:45,426 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.68/5.35 [2019-03-28 12:46:45,429 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.68/5.35 [2019-03-28 12:46:45,431 INFO L271 PluginConnector]: Initializing CDTParser... 11.68/5.35 [2019-03-28 12:46:45,431 INFO L276 PluginConnector]: CDTParser initialized 11.68/5.35 [2019-03-28 12:46:45,432 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.68/5.35 [2019-03-28 12:46:45,494 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/4a225d8ca4fe4637aca8977683081037/FLAGaa8e204c4 11.68/5.35 [2019-03-28 12:46:45,833 INFO L307 CDTParser]: Found 1 translation units. 11.68/5.35 [2019-03-28 12:46:45,834 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.68/5.35 [2019-03-28 12:46:45,840 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/4a225d8ca4fe4637aca8977683081037/FLAGaa8e204c4 11.68/5.35 [2019-03-28 12:46:46,233 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/4a225d8ca4fe4637aca8977683081037 11.68/5.35 [2019-03-28 12:46:46,245 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.68/5.35 [2019-03-28 12:46:46,246 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.68/5.35 [2019-03-28 12:46:46,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.68/5.35 [2019-03-28 12:46:46,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.68/5.35 [2019-03-28 12:46:46,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.68/5.35 [2019-03-28 12:46:46,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ab189e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46, skipping insertion in model container 11.68/5.35 [2019-03-28 12:46:46,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.68/5.35 [2019-03-28 12:46:46,281 INFO L176 MainTranslator]: Built tables and reachable declarations 11.68/5.35 [2019-03-28 12:46:46,451 INFO L206 PostProcessor]: Analyzing one entry point: main 11.68/5.35 [2019-03-28 12:46:46,464 INFO L191 MainTranslator]: Completed pre-run 11.68/5.35 [2019-03-28 12:46:46,483 INFO L206 PostProcessor]: Analyzing one entry point: main 11.68/5.35 [2019-03-28 12:46:46,561 INFO L195 MainTranslator]: Completed translation 11.68/5.35 [2019-03-28 12:46:46,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46 WrapperNode 11.68/5.35 [2019-03-28 12:46:46,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.68/5.35 [2019-03-28 12:46:46,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.68/5.35 [2019-03-28 12:46:46,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.68/5.35 [2019-03-28 12:46:46,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.68/5.35 [2019-03-28 12:46:46,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.68/5.35 [2019-03-28 12:46:46,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.68/5.35 [2019-03-28 12:46:46,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.68/5.35 [2019-03-28 12:46:46,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.68/5.35 [2019-03-28 12:46:46,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.68/5.35 [2019-03-28 12:46:46,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.68/5.35 [2019-03-28 12:46:46,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.68/5.35 [2019-03-28 12:46:46,635 INFO L276 PluginConnector]: RCFGBuilder initialized 11.68/5.35 [2019-03-28 12:46:46,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (1/1) ... 11.68/5.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.68/5.35 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.68/5.35 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.68/5.35 [2019-03-28 12:46:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 11.68/5.35 [2019-03-28 12:46:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.68/5.35 [2019-03-28 12:46:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.68/5.35 [2019-03-28 12:46:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 11.68/5.35 [2019-03-28 12:46:46,946 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.68/5.35 [2019-03-28 12:46:46,946 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 11.68/5.35 [2019-03-28 12:46:46,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:46:46 BoogieIcfgContainer 11.68/5.35 [2019-03-28 12:46:46,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.68/5.35 [2019-03-28 12:46:46,948 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.68/5.35 [2019-03-28 12:46:46,948 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.68/5.35 [2019-03-28 12:46:46,950 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.68/5.35 [2019-03-28 12:46:46,951 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:46:46" (1/1) ... 11.68/5.35 [2019-03-28 12:46:46,969 INFO L313 BlockEncoder]: Initial Icfg 31 locations, 35 edges 11.68/5.35 [2019-03-28 12:46:46,971 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.68/5.35 [2019-03-28 12:46:46,972 INFO L263 BlockEncoder]: Using Maximize final states 11.68/5.35 [2019-03-28 12:46:46,972 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.68/5.35 [2019-03-28 12:46:46,973 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.68/5.35 [2019-03-28 12:46:46,975 INFO L296 BlockEncoder]: Using Remove sink states 11.68/5.35 [2019-03-28 12:46:46,977 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.68/5.35 [2019-03-28 12:46:46,977 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.68/5.35 [2019-03-28 12:46:47,003 INFO L185 BlockEncoder]: Using Use SBE 11.68/5.35 [2019-03-28 12:46:47,026 INFO L200 BlockEncoder]: SBE split 12 edges 11.68/5.35 [2019-03-28 12:46:47,032 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 11.68/5.35 [2019-03-28 12:46:47,033 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.68/5.35 [2019-03-28 12:46:47,077 INFO L100 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding 11.68/5.35 [2019-03-28 12:46:47,079 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.68/5.35 [2019-03-28 12:46:47,081 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.68/5.35 [2019-03-28 12:46:47,081 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.68/5.35 [2019-03-28 12:46:47,082 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.68/5.35 [2019-03-28 12:46:47,082 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.68/5.35 [2019-03-28 12:46:47,083 INFO L313 BlockEncoder]: Encoded RCFG 23 locations, 37 edges 11.68/5.35 [2019-03-28 12:46:47,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:46:47 BasicIcfg 11.68/5.35 [2019-03-28 12:46:47,084 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.68/5.35 [2019-03-28 12:46:47,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.68/5.35 [2019-03-28 12:46:47,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.68/5.35 [2019-03-28 12:46:47,089 INFO L276 PluginConnector]: TraceAbstraction initialized 11.68/5.35 [2019-03-28 12:46:47,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:46:46" (1/4) ... 11.68/5.35 [2019-03-28 12:46:47,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1314f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:46:47, skipping insertion in model container 11.68/5.35 [2019-03-28 12:46:47,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:46:46" (2/4) ... 11.68/5.35 [2019-03-28 12:46:47,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1314f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:46:47, skipping insertion in model container 11.68/5.35 [2019-03-28 12:46:47,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:46:46" (3/4) ... 11.68/5.35 [2019-03-28 12:46:47,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1314f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:46:47, skipping insertion in model container 11.68/5.35 [2019-03-28 12:46:47,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:46:47" (4/4) ... 11.68/5.35 [2019-03-28 12:46:47,093 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.68/5.35 [2019-03-28 12:46:47,103 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.68/5.35 [2019-03-28 12:46:47,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. 11.68/5.35 [2019-03-28 12:46:47,130 INFO L257 AbstractCegarLoop]: Starting to check reachability of 12 error locations. 11.68/5.35 [2019-03-28 12:46:47,159 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.68/5.35 [2019-03-28 12:46:47,159 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.68/5.35 [2019-03-28 12:46:47,160 INFO L383 AbstractCegarLoop]: Hoare is true 11.68/5.35 [2019-03-28 12:46:47,160 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.68/5.35 [2019-03-28 12:46:47,160 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.68/5.35 [2019-03-28 12:46:47,160 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.68/5.35 [2019-03-28 12:46:47,160 INFO L387 AbstractCegarLoop]: Difference is false 11.68/5.35 [2019-03-28 12:46:47,160 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.68/5.35 [2019-03-28 12:46:47,161 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.68/5.35 [2019-03-28 12:46:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. 11.68/5.35 [2019-03-28 12:46:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 11.68/5.35 [2019-03-28 12:46:47,182 INFO L394 BasicCegarLoop]: Found error trace 11.68/5.35 [2019-03-28 12:46:47,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 11.68/5.35 [2019-03-28 12:46:47,184 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION]=== 11.68/5.35 [2019-03-28 12:46:47,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.68/5.35 [2019-03-28 12:46:47,190 INFO L82 PathProgramCache]: Analyzing trace with hash 4947154, now seen corresponding path program 1 times 11.68/5.35 [2019-03-28 12:46:47,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.68/5.35 [2019-03-28 12:46:47,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.68/5.35 [2019-03-28 12:46:47,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.68/5.35 [2019-03-28 12:46:47,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.68/5.35 [2019-03-28 12:46:47,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.68/5.35 [2019-03-28 12:46:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.68/5.35 [2019-03-28 12:46:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.68/5.35 [2019-03-28 12:46:47,332 INFO L469 BasicCegarLoop]: Counterexample might be feasible 11.68/5.35 [2019-03-28 12:46:47,353 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 11.68/5.35 [2019-03-28 12:46:47,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:46:47 BasicIcfg 11.68/5.35 [2019-03-28 12:46:47,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.68/5.35 [2019-03-28 12:46:47,357 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.68/5.35 [2019-03-28 12:46:47,357 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.68/5.35 [2019-03-28 12:46:47,361 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.68/5.35 [2019-03-28 12:46:47,361 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.68/5.35 [2019-03-28 12:46:47,361 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.68/5.35 [2019-03-28 12:46:47,361 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.68/5.35 [2019-03-28 12:46:47,361 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.68/5.35 [2019-03-28 12:46:47,361 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.68/5.35 [2019-03-28 12:46:47,362 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.68/5.35 [2019-03-28 12:46:47,362 INFO L168 Benchmark]: Toolchain (without parser) took 1116.81 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 560.6 MB in the beginning and 600.3 MB in the end (delta: -39.7 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,364 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 578.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.03 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 560.6 MB in the beginning and 655.6 MB in the end (delta: -95.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.41 ms. Allocated memory is still 688.9 MB. Free memory was 655.6 MB in the beginning and 651.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,367 INFO L168 Benchmark]: Boogie Preprocessor took 26.27 ms. Allocated memory is still 688.9 MB. Free memory was 651.7 MB in the beginning and 650.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,367 INFO L168 Benchmark]: RCFGBuilder took 313.57 ms. Allocated memory is still 688.9 MB. Free memory was 650.6 MB in the beginning and 629.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,368 INFO L168 Benchmark]: BlockEncodingV2 took 136.24 ms. Allocated memory is still 688.9 MB. Free memory was 628.3 MB in the beginning and 620.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,369 INFO L168 Benchmark]: TraceAbstraction took 271.36 ms. Allocated memory is still 688.9 MB. Free memory was 619.7 MB in the beginning and 601.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,369 INFO L168 Benchmark]: BuchiAutomizer took 4.55 ms. Allocated memory is still 688.9 MB. Free memory was 601.3 MB in the beginning and 600.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.68/5.35 [2019-03-28 12:46:47,374 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.68/5.35 --- Results --- 11.68/5.35 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.68/5.35 - StatisticsResult: Initial Icfg 11.68/5.35 31 locations, 35 edges 11.68/5.35 - StatisticsResult: Encoded RCFG 11.68/5.35 23 locations, 37 edges 11.68/5.35 * Results from de.uni_freiburg.informatik.ultimate.core: 11.68/5.35 - StatisticsResult: Toolchain Benchmarks 11.68/5.35 Benchmark results are: 11.68/5.35 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 578.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.68/5.35 * CACSL2BoogieTranslator took 315.03 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 560.6 MB in the beginning and 655.6 MB in the end (delta: -95.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 50.3 GB. 11.68/5.35 * Boogie Procedure Inliner took 44.41 ms. Allocated memory is still 688.9 MB. Free memory was 655.6 MB in the beginning and 651.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.68/5.35 * Boogie Preprocessor took 26.27 ms. Allocated memory is still 688.9 MB. Free memory was 651.7 MB in the beginning and 650.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.68/5.35 * RCFGBuilder took 313.57 ms. Allocated memory is still 688.9 MB. Free memory was 650.6 MB in the beginning and 629.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 11.68/5.35 * BlockEncodingV2 took 136.24 ms. Allocated memory is still 688.9 MB. Free memory was 628.3 MB in the beginning and 620.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 11.68/5.35 * TraceAbstraction took 271.36 ms. Allocated memory is still 688.9 MB. Free memory was 619.7 MB in the beginning and 601.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 50.3 GB. 11.68/5.35 * BuchiAutomizer took 4.55 ms. Allocated memory is still 688.9 MB. Free memory was 601.3 MB in the beginning and 600.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.68/5.35 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.68/5.35 - CounterExampleResult [Line: 12]: pointer dereference may fail 11.68/5.35 pointer dereference may fail 11.68/5.35 We found a FailurePath: 11.68/5.35 [L23] int *a; 11.68/5.35 [L24] int array_size = __VERIFIER_nondet_int(); 11.68/5.35 [L5] int i; 11.68/5.35 [L6] i = 0 11.68/5.35 [L6] COND TRUE i < array_size - 1 11.68/5.35 [L8] int j, min, temp; 11.68/5.35 [L9] min = i 11.68/5.35 [L10] j = i+1 11.68/5.35 [L10] COND TRUE j < array_size 11.68/5.35 [L12] a[j] 11.68/5.35 11.68/5.35 - StatisticsResult: Ultimate Automizer benchmark data 11.68/5.35 CFG has 1 procedures, 23 locations, 12 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 11.68/5.35 RESULT: Ultimate proved your program to be incorrect! 11.68/5.35 !SESSION 2019-03-28 12:46:42.998 ----------------------------------------------- 11.68/5.35 eclipse.buildId=unknown 11.68/5.35 java.version=1.8.0_181 11.68/5.35 java.vendor=Oracle Corporation 11.68/5.35 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.68/5.35 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.68/5.35 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 11.68/5.35 11.68/5.35 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:46:47.606 11.68/5.35 !MESSAGE The workspace will exit with unsaved changes in this session. 11.68/5.35 Received shutdown request... 11.68/5.35 Ultimate: 11.68/5.35 GTK+ Version Check 11.68/5.35 EOF