java -ea -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_compound_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4b9831f [2018-12-23 14:55:23,367 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-23 14:55:23,369 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-23 14:55:23,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-23 14:55:23,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-23 14:55:23,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-23 14:55:23,384 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-23 14:55:23,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-23 14:55:23,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-23 14:55:23,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-23 14:55:23,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-23 14:55:23,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-23 14:55:23,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-23 14:55:23,393 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-23 14:55:23,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-23 14:55:23,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-23 14:55:23,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-23 14:55:23,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-23 14:55:23,400 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-23 14:55:23,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-23 14:55:23,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-23 14:55:23,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-23 14:55:23,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-23 14:55:23,408 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-23 14:55:23,408 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-23 14:55:23,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-23 14:55:23,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-23 14:55:23,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-23 14:55:23,412 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-23 14:55:23,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-23 14:55:23,413 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-23 14:55:23,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-23 14:55:23,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-23 14:55:23,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-23 14:55:23,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-23 14:55:23,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-23 14:55:23,418 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2018-12-23 14:55:23,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-23 14:55:23,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-23 14:55:23,433 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-23 14:55:23,434 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-23 14:55:23,434 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-23 14:55:23,434 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-23 14:55:23,434 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-23 14:55:23,434 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-23 14:55:23,435 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-23 14:55:23,435 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-23 14:55:23,435 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-23 14:55:23,435 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-23 14:55:23,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-23 14:55:23,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-23 14:55:23,436 INFO L133 SettingsManager]: * Use SBE=true [2018-12-23 14:55:23,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-23 14:55:23,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-23 14:55:23,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-23 14:55:23,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-23 14:55:23,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-23 14:55:23,438 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-23 14:55:23,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-23 14:55:23,438 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-23 14:55:23,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-23 14:55:23,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-23 14:55:23,439 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-23 14:55:23,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-23 14:55:23,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-23 14:55:23,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-23 14:55:23,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 14:55:23,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-23 14:55:23,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-23 14:55:23,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-23 14:55:23,440 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-23 14:55:23,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-23 14:55:23,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-23 14:55:23,441 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-23 14:55:23,441 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-23 14:55:23,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-23 14:55:23,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-23 14:55:23,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-23 14:55:23,504 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-23 14:55:23,505 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-23 14:55:23,506 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl [2018-12-23 14:55:23,506 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl' [2018-12-23 14:55:23,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-23 14:55:23,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-23 14:55:23,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-23 14:55:23,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-23 14:55:23,560 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-23 14:55:23,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,598 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-23 14:55:23,599 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-23 14:55:23,599 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-23 14:55:23,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-23 14:55:23,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-23 14:55:23,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-23 14:55:23,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-23 14:55:23,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (1/1) ... [2018-12-23 14:55:23,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-23 14:55:23,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-23 14:55:23,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-23 14:55:23,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-23 14:55:23,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:23" (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 [2018-12-23 14:55:23,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-23 14:55:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-23 14:55:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-23 14:55:24,132 INFO L272 CfgBuilder]: Using library mode [2018-12-23 14:55:24,133 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-23 14:55:24,133 INFO L202 PluginConnector]: Adding new model Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:55:24 BoogieIcfgContainer [2018-12-23 14:55:24,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-23 14:55:24,134 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-23 14:55:24,134 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-23 14:55:24,135 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-23 14:55:24,136 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:55:24" (1/1) ... [2018-12-23 14:55:24,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-23 14:55:24,392 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-23 14:55:24,412 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 8 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2018-12-23 14:55:24,413 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-23 14:55:24,415 INFO L168 Benchmark]: Toolchain (without parser) took 858.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-23 14:55:24,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:55:24,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:55:24,419 INFO L168 Benchmark]: Boogie Preprocessor took 29.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:55:24,420 INFO L168 Benchmark]: RCFGBuilder took 500.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-23 14:55:24,421 INFO L168 Benchmark]: Abstract Interpretation took 279.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-12-23 14:55:24,426 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 500.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 279.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 30]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L21] a[x] := 0; [L22] a[y] := 1000; [L29] COND TRUE x > y && a[x] == 1000 [L30] assert a[y] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...