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_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb97592 [2018-12-19 21:57:26,330 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-19 21:57:26,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-19 21:57:26,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-19 21:57:26,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-19 21:57:26,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-19 21:57:26,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-19 21:57:26,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-19 21:57:26,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-19 21:57:26,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-19 21:57:26,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-19 21:57:26,384 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf [2018-12-19 21:57:26,401 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-19 21:57:26,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-19 21:57:26,403 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-19 21:57:26,403 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-19 21:57:26,403 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-19 21:57:26,403 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-19 21:57:26,404 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-19 21:57:26,404 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-19 21:57:26,404 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-19 21:57:26,404 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-19 21:57:26,405 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-12-19 21:57:26,405 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-19 21:57:26,405 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-19 21:57:26,406 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-19 21:57:26,406 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-19 21:57:26,406 INFO L133 SettingsManager]: * Use SBE=true [2018-12-19 21:57:26,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-19 21:57:26,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-19 21:57:26,407 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-19 21:57:26,407 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-19 21:57:26,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-19 21:57:26,408 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-19 21:57:26,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-19 21:57:26,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-19 21:57:26,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-19 21:57:26,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-19 21:57:26,409 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-19 21:57:26,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-19 21:57:26,409 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-19 21:57:26,409 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-19 21:57:26,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-19 21:57:26,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-19 21:57:26,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-19 21:57:26,410 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-19 21:57:26,411 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-19 21:57:26,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-19 21:57:26,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-19 21:57:26,411 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-19 21:57:26,411 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-19 21:57:26,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-19 21:57:26,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-19 21:57:26,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-19 21:57:26,462 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-19 21:57:26,463 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-19 21:57:26,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2018-12-19 21:57:26,464 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2018-12-19 21:57:26,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-19 21:57:26,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-19 21:57:26,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-19 21:57:26,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-19 21:57:26,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-19 21:57:26,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-19 21:57:26,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-19 21:57:26,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-19 21:57:26,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-19 21:57:26,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (1/1) ... [2018-12-19 21:57:26,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-19 21:57:26,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-19 21:57:26,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-19 21:57:26,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-19 21:57:26,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:26" (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 [2018-12-19 21:57:26,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-12-19 21:57:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-19 21:57:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-19 21:57:27,195 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-19 21:57:27,195 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-19 21:57:27,196 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:57:27 BoogieIcfgContainer [2018-12-19 21:57:27,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-19 21:57:27,197 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-19 21:57:27,197 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-19 21:57:27,198 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-19 21:57:27,199 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:57:27" (1/1) ... [2018-12-19 21:57:27,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-19 21:57:29,096 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-19 21:57:29,120 INFO L272 AbstractInterpreter]: Visited 16 different actions 122 times. Merged at 14 different actions 80 times. Widened at 3 different actions 9 times. Found 21 fixpoints after 8 different actions. Largest state had 0 variables. [2018-12-19 21:57:29,122 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-19 21:57:29,124 INFO L168 Benchmark]: Toolchain (without parser) took 2614.89 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-12-19 21:57:29,126 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. [2018-12-19 21:57:29,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 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. [2018-12-19 21:57:29,128 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 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. [2018-12-19 21:57:29,129 INFO L168 Benchmark]: RCFGBuilder took 617.38 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. [2018-12-19 21:57:29,130 INFO L168 Benchmark]: Abstract Interpretation took 1925.80 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-12-19 21:57:29,136 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 41.12 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 25.07 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 617.38 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 1925.80 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L19] i := 0; [L20] COND TRUE i < n [L21] COND TRUE i == genericIndex1ForA [L22] genericCell1ForA := 23; [L24] i := i + 1; [L20] COND FALSE !(i < n) [L26] j := 0; [L27] COND TRUE j < n [L28] havoc readAuxVar; [L29] COND TRUE j == genericIndex1ForA [L30] readAuxVar := genericCell1ForA; [L32] COND TRUE readAuxVar != 23 [L33] assume genericIndex1ForA == j; [L34] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...