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/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 15:05:57,244 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 15:05:57,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 15:05:57,265 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-18 15:05:57,265 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-18 15:05:57,267 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-18 15:05:57,268 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-18 15:05:57,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-18 15:05:57,273 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-18 15:05:57,274 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-18 15:05:57,284 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-18 15:05:57,323 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 [2019-01-18 15:05:57,345 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 15:05:57,345 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 15:05:57,346 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 15:05:57,346 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 15:05:57,346 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 15:05:57,346 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 15:05:57,347 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 15:05:57,347 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 15:05:57,347 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 15:05:57,347 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-18 15:05:57,347 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 15:05:57,348 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 15:05:57,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 15:05:57,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 15:05:57,349 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 15:05:57,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 15:05:57,349 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 15:05:57,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 15:05:57,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 15:05:57,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 15:05:57,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 15:05:57,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 15:05:57,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 15:05:57,351 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 15:05:57,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 15:05:57,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 15:05:57,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 15:05:57,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 15:05:57,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 15:05:57,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 15:05:57,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 15:05:57,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 15:05:57,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 15:05:57,353 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 15:05:57,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 15:05:57,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 15:05:57,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 15:05:57,354 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 15:05:57,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 15:05:57,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 15:05:57,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 15:05:57,411 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 15:05:57,411 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 15:05:57,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2019-01-18 15:05:57,412 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2019-01-18 15:05:57,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 15:05:57,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 15:05:57,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 15:05:57,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 15:05:57,464 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 15:05:57,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 15:05:57,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 15:05:57,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 15:05:57,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 15:05:57,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (1/1) ... [2019-01-18 15:05:57,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 15:05:57,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 15:05:57,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 15:05:57,530 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 15:05:57,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:57" (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 [2019-01-18 15:05:57,601 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-01-18 15:05:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 15:05:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 15:05:58,077 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 15:05:58,078 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-18 15:05:58,080 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:05:58 BoogieIcfgContainer [2019-01-18 15:05:58,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 15:05:58,081 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-18 15:05:58,081 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-18 15:05:58,081 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-18 15:05:58,082 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:05:58" (1/1) ... [2019-01-18 15:05:58,130 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 15:06:00,415 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-18 15:06:00,437 INFO L272 AbstractInterpreter]: Visited 16 different actions 144 times. Merged at 14 different actions 95 times. Widened at 3 different actions 10 times. Performed 302 root evaluator evaluations with a maximum evaluation depth of 3. Performed 302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 28 fixpoints after 8 different actions. Largest state had 0 variables. [2019-01-18 15:06:00,439 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-18 15:06:00,440 INFO L168 Benchmark]: Toolchain (without parser) took 2977.60 ms. Allocated memory was 141.6 MB in the beginning and 175.1 MB in the end (delta: 33.6 MB). Free memory was 108.8 MB in the beginning and 83.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2019-01-18 15:06:00,442 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-18 15:06:00,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 107.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-01-18 15:06:00,444 INFO L168 Benchmark]: Boogie Preprocessor took 26.51 ms. Allocated memory is still 141.6 MB. Free memory was 107.1 MB in the beginning and 105.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-01-18 15:06:00,445 INFO L168 Benchmark]: RCFGBuilder took 550.05 ms. Allocated memory is still 141.6 MB. Free memory was 105.9 MB in the beginning and 94.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-01-18 15:06:00,446 INFO L168 Benchmark]: Abstract Interpretation took 2358.26 ms. Allocated memory was 141.6 MB in the beginning and 175.1 MB in the end (delta: 33.6 MB). Free memory was 93.8 MB in the beginning and 83.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-01-18 15:06:00,451 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 0.20 ms. Allocated memory is still 141.6 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 107.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.51 ms. Allocated memory is still 141.6 MB. Free memory was 107.1 MB in the beginning and 105.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 550.05 ms. Allocated memory is still 141.6 MB. Free memory was 105.9 MB in the beginning and 94.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2358.26 ms. Allocated memory was 141.6 MB in the beginning and 175.1 MB in the end (delta: 33.6 MB). Free memory was 93.8 MB in the beginning and 83.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 43.6 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...