java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:55:25,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:55:25,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:55:25,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:55:25,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:55:25,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:55:25,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:55:25,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:55:25,196 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:55:25,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:55:25,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-15 11:55:25,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-15 11:55:25,202 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-15 11:55:25,208 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-15 11:55:25,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-15 11:55:25,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-15 11:55:25,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-15 11:55:25,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-15 11:55:25,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-15 11:55:25,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-15 11:55:25,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-15 11:55:25,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-15 11:55:25,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-15 11:55:25,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-15 11:55:25,234 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-15 11:55:25,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-15 11:55:25,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-15 11:55:25,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-15 11:55:25,241 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-15 11:55:25,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-15 11:55:25,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-15 11:55:25,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-02-15 11:55:25,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-02-15 11:55:25,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-02-15 11:55:25,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-02-15 11:55:25,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-02-15 11:55:25,247 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2019-02-15 11:55:25,269 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:55:25,270 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:55:25,271 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:55:25,271 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:55:25,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:55:25,272 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:55:25,272 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:55:25,273 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:55:25,273 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:55:25,273 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-15 11:55:25,273 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:55:25,273 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:55:25,274 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:55:25,274 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:55:25,275 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:55:25,276 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:55:25,276 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:55:25,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:55:25,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:55:25,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:55:25,278 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:55:25,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:55:25,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:55:25,279 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:55:25,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:55:25,279 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:55:25,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:55:25,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:55:25,280 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:55:25,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:55:25,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:55:25,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:55:25,281 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:55:25,281 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:55:25,281 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:55:25,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:55:25,282 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:55:25,282 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:55:25,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:55:25,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:55:25,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:55:25,346 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:55:25,346 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:55:25,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl [2019-02-15 11:55:25,348 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl' [2019-02-15 11:55:25,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:55:25,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:55:25,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:55:25,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:55:25,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:55:25,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,426 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-15 11:55:25,427 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-15 11:55:25,427 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-15 11:55:25,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:55:25,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:55:25,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:55:25,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:55:25,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:55:25,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:55:25,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:55:25,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:55:25,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:55:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:55:25,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-02-15 11:55:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-15 11:55:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-15 11:55:25,664 INFO L278 CfgBuilder]: Using library mode [2019-02-15 11:55:25,665 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-02-15 11:55:25,666 INFO L202 PluginConnector]: Adding new model ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:55:25 BoogieIcfgContainer [2019-02-15 11:55:25,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:55:25,667 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-15 11:55:25,667 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-15 11:55:25,667 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-15 11:55:25,668 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:55:25" (1/1) ... [2019-02-15 11:55:25,716 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:55:33,450 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-15 11:55:33,472 INFO L272 AbstractInterpreter]: Visited 6 different actions 35 times. Merged at 5 different actions 27 times. Widened at 1 different actions 4 times. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-02-15 11:55:33,477 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-15 11:55:33,477 INFO L168 Benchmark]: Toolchain (without parser) took 8088.25 ms. Allocated memory was 140.0 MB in the beginning and 528.0 MB in the end (delta: 388.0 MB). Free memory was 107.6 MB in the beginning and 205.9 MB in the end (delta: -98.3 MB). Peak memory consumption was 289.7 MB. Max. memory is 7.1 GB. [2019-02-15 11:55:33,480 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:55:33,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.03 ms. Allocated memory is still 140.0 MB. Free memory was 107.6 MB in the beginning and 105.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-02-15 11:55:33,485 INFO L168 Benchmark]: Boogie Preprocessor took 26.54 ms. Allocated memory is still 140.0 MB. Free memory was 105.5 MB in the beginning and 104.7 MB in the end (delta: 839.4 kB). Peak memory consumption was 839.4 kB. Max. memory is 7.1 GB. [2019-02-15 11:55:33,487 INFO L168 Benchmark]: RCFGBuilder took 209.92 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 95.9 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-02-15 11:55:33,489 INFO L168 Benchmark]: Abstract Interpretation took 7809.99 ms. Allocated memory was 140.0 MB in the beginning and 528.0 MB in the end (delta: 388.0 MB). Free memory was 95.5 MB in the beginning and 205.9 MB in the end (delta: -110.4 MB). Peak memory consumption was 277.6 MB. Max. memory is 7.1 GB. [2019-02-15 11:55:33,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.03 ms. Allocated memory is still 140.0 MB. Free memory was 107.6 MB in the beginning and 105.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.54 ms. Allocated memory is still 140.0 MB. Free memory was 105.5 MB in the beginning and 104.7 MB in the end (delta: 839.4 kB). Peak memory consumption was 839.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 209.92 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 95.9 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7809.99 ms. Allocated memory was 140.0 MB in the beginning and 528.0 MB in the end (delta: 388.0 MB). Free memory was 95.5 MB in the beginning and 205.9 MB in the end (delta: -110.4 MB). Peak memory consumption was 277.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] assume end >= 0; [L15] a[end] := 42; [L16] i := 0; [L17] COND TRUE a[i] != 42 [L18] i := i + 1; [L17] COND FALSE !(a[i] != 42) [L20] assert i <= end; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...