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/regression/open/eq/44_storechain_loop_unrolled.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:53,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:53,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:53,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:18:53,674 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 12:18:53,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:53,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:53,698 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:53,698 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:53,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:53,699 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:53,699 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:53,700 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:53,700 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:53,700 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:53,700 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:53,700 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:53,701 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:53,701 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:53,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:53,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:53,702 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:53,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:53,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:53,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:53,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:53,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:53,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:53,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:53,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:53,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:53,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:53,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:53,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:53,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:53,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:53,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:53,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:53,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:53,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:53,708 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:53,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:53,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:53,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:53,709 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:53,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:53,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:53,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:53,770 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:53,770 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:53,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/eq/44_storechain_loop_unrolled.bpl [2019-08-05 12:18:53,771 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/eq/44_storechain_loop_unrolled.bpl' [2019-08-05 12:18:53,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:53,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:53,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:53,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:53,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:53,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,852 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:53,853 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:53,853 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:53,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:53,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:53,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:53,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:53,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (1/1) ... [2019-08-05 12:18:53,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:53,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:53,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:53,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:53,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:53" (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 12:18:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure bla [2019-08-05 12:18:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure bla [2019-08-05 12:18:54,290 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:54,290 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:54,294 INFO L202 PluginConnector]: Adding new model 44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:54 BoogieIcfgContainer [2019-08-05 12:18:54,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:54,297 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:54,297 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:54,297 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:54,298 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "44_storechain_loop_unrolled.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:54" (1/1) ... [2019-08-05 12:18:54,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:54,420 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:54,449 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 88 root evaluator evaluations with a maximum evaluation depth of 3. Performed 88 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:54,450 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:54,453 INFO L168 Benchmark]: Toolchain (without parser) took 638.58 ms. Allocated memory is still 135.3 MB. Free memory was 108.2 MB in the beginning and 88.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:54,457 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:18:54,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.32 ms. Allocated memory is still 135.3 MB. Free memory was 107.7 MB in the beginning and 106.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:54,460 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 ms. Allocated memory is still 135.3 MB. Free memory was 106.1 MB in the beginning and 104.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:54,461 INFO L168 Benchmark]: RCFGBuilder took 412.56 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 94.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:54,462 INFO L168 Benchmark]: Abstract Interpretation took 153.37 ms. Allocated memory is still 135.3 MB. Free memory was 94.7 MB in the beginning and 88.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:54,467 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 0.18 ms. Allocated memory is still 135.3 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.32 ms. Allocated memory is still 135.3 MB. Free memory was 107.7 MB in the beginning and 106.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.23 ms. Allocated memory is still 135.3 MB. Free memory was 106.1 MB in the beginning and 104.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.56 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 94.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 153.37 ms. Allocated memory is still 135.3 MB. Free memory was 94.7 MB in the beginning and 88.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 59]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] x := 0; [L13] j := 0; [L15] i := 0; [L20] j := j + 1; [L21] i := i + 1; [L22] a[i] := x; [L23] b[i] := 3; [L24] x := i; [L27] j := j + 1; [L28] i := i + 1; [L29] a[i] := x; [L30] b[i] := 3; [L31] x := i; [L33] j := j + 1; [L34] i := i + 1; [L35] a[i] := x; [L36] b[i] := 3; [L37] x := i; [L38] j := j + 1; [L39] i := i + 1; [L40] a[i] := x; [L41] b[i] := 3; [L42] x := i; [L43] j := j + 1; [L44] i := i + 1; [L45] a[i] := x; [L46] b[i] := 3; [L47] x := i; [L48] j := j + 1; [L49] i := i + 1; [L50] a[i] := x; [L51] b[i] := 3; [L52] x := i; [L53] j := j + 1; [L54] i := i + 1; [L55] a[i] := x; [L56] b[i] := 3; [L57] x := i; [L59] assert b[a[a[x]]] == 3; - UnprovableResult [Line: 60]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] x := 0; [L13] j := 0; [L15] i := 0; [L20] j := j + 1; [L21] i := i + 1; [L22] a[i] := x; [L23] b[i] := 3; [L24] x := i; [L27] j := j + 1; [L28] i := i + 1; [L29] a[i] := x; [L30] b[i] := 3; [L31] x := i; [L33] j := j + 1; [L34] i := i + 1; [L35] a[i] := x; [L36] b[i] := 3; [L37] x := i; [L38] j := j + 1; [L39] i := i + 1; [L40] a[i] := x; [L41] b[i] := 3; [L42] x := i; [L43] j := j + 1; [L44] i := i + 1; [L45] a[i] := x; [L46] b[i] := 3; [L47] x := i; [L48] j := j + 1; [L49] i := i + 1; [L50] a[i] := x; [L51] b[i] := 3; [L52] x := i; [L53] j := j + 1; [L54] i := i + 1; [L55] a[i] := x; [L56] b[i] := 3; [L57] x := i; [L59] assert b[a[a[x]]] == 3; [L60] assert b[a[a[a[x]]]] == 3; - UnprovableResult [Line: 61]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] x := 0; [L13] j := 0; [L15] i := 0; [L20] j := j + 1; [L21] i := i + 1; [L22] a[i] := x; [L23] b[i] := 3; [L24] x := i; [L27] j := j + 1; [L28] i := i + 1; [L29] a[i] := x; [L30] b[i] := 3; [L31] x := i; [L33] j := j + 1; [L34] i := i + 1; [L35] a[i] := x; [L36] b[i] := 3; [L37] x := i; [L38] j := j + 1; [L39] i := i + 1; [L40] a[i] := x; [L41] b[i] := 3; [L42] x := i; [L43] j := j + 1; [L44] i := i + 1; [L45] a[i] := x; [L46] b[i] := 3; [L47] x := i; [L48] j := j + 1; [L49] i := i + 1; [L50] a[i] := x; [L51] b[i] := 3; [L52] x := i; [L53] j := j + 1; [L54] i := i + 1; [L55] a[i] := x; [L56] b[i] := 3; [L57] x := i; [L59] assert b[a[a[x]]] == 3; [L60] assert b[a[a[a[x]]]] == 3; [L61] assert b[a[a[a[a[x]]]]] == 3; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...