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_compound_exp_cong.epf -i ../../../trunk/examples/programs/abstractInterpretation/arrays/array_overwrite.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:40,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:40,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:40,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:18:40,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:18:40,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:18:40,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:18:40,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:18:40,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:18:40,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:18:40,522 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:18:40,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:18:40,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:40,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:40,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:40,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:40,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:40,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:40,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:40,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:40,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:40,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:40,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:40,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:40,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:18:40,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:18:40,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:40,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:40,577 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:40,577 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:40,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:40,578 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:40,578 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:40,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:40,579 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:40,579 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:40,579 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:40,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:40,579 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:40,580 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:40,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:40,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:40,581 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:40,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:40,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:40,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:40,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:40,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:40,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:40,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:40,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:40,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:40,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:40,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:40,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:40,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:40,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:40,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:40,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:40,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:40,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:40,585 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:40,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:40,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:40,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:40,586 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:40,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:40,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:40,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:40,638 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:40,639 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:40,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/arrays/array_overwrite.bpl [2019-08-05 12:18:40,640 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/arrays/array_overwrite.bpl' [2019-08-05 12:18:40,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:40,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:40,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:40,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:40,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:40,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,724 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:40,724 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:40,724 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:40,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:40,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:40,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:40,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:40,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (1/1) ... [2019-08-05 12:18:40,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:40,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:40,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:40,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:40,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:40" (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 [2019-08-05 12:18:40,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:18:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:18:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:18:41,083 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:41,083 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:41,085 INFO L202 PluginConnector]: Adding new model array_overwrite.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:41 BoogieIcfgContainer [2019-08-05 12:18:41,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:41,087 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:41,088 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:41,088 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:41,089 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:41" (1/1) ... [2019-08-05 12:18:41,126 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:41,287 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:41,312 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 5 different actions 15 times. Widened at 1 different actions 1 times. Performed 76 root evaluator evaluations with a maximum evaluation depth of 3. Performed 76 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:18:41,313 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:41,316 INFO L168 Benchmark]: Toolchain (without parser) took 633.89 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 86.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:41,317 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:18:41,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.97 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 103.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:41,320 INFO L168 Benchmark]: Boogie Preprocessor took 31.28 ms. Allocated memory is still 139.5 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:41,321 INFO L168 Benchmark]: RCFGBuilder took 326.92 ms. Allocated memory is still 139.5 MB. Free memory was 102.2 MB in the beginning and 93.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:41,323 INFO L168 Benchmark]: Abstract Interpretation took 225.70 ms. Allocated memory is still 139.5 MB. Free memory was 93.5 MB in the beginning and 86.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:41,327 INFO L335 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 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.97 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 103.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.28 ms. Allocated memory is still 139.5 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.92 ms. Allocated memory is still 139.5 MB. Free memory was 102.2 MB in the beginning and 93.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 225.70 ms. Allocated memory is still 139.5 MB. Free memory was 93.5 MB in the beginning and 86.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 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 n > 0; [L15] i := 0; [L16] COND FALSE !(i < n) [L20] assert a[0] == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...