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/quantifier/regression/bpl/ArrayQuantifierEliminationBug02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:42,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:42,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:42,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:17:42,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:17:42,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:17:42,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:17:42,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:17:42,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:17:42,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:17:42,586 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:17:42,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:17:42,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:42,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:42,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:42,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:42,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:42,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:42,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:42,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:42,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:42,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:42,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:42,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:42,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:42,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:42,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:42,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:42,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:42,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:42,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:42,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:42,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:42,615 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 12:17:42,628 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:42,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:42,629 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:42,629 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:42,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:42,630 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:42,630 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:42,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:42,630 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:42,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:42,631 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:42,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:42,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:42,631 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:42,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:42,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:42,632 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:42,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:42,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:42,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:42,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:42,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:42,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:42,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:42,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:42,634 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:42,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:42,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:42,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:42,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:42,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:42,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:42,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:42,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:42,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:42,636 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:42,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:42,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:42,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:42,637 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:42,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:42,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:42,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:42,685 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:42,686 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:42,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/ArrayQuantifierEliminationBug02.bpl [2019-08-05 12:17:42,687 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/ArrayQuantifierEliminationBug02.bpl' [2019-08-05 12:17:42,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:42,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:42,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:42,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:42,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:42,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,772 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:17:42,772 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:17:42,772 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:17:42,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:42,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:42,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:42,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:42,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (1/1) ... [2019-08-05 12:17:42,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:42,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:42,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:42,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:42,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:42" (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 12:17:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-05 12:17:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-05 12:17:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-05 12:17:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-05 12:17:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure nonMain [2019-08-05 12:17:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nonMain [2019-08-05 12:17:43,214 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:17:43,214 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 12:17:43,216 INFO L202 PluginConnector]: Adding new model ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:43 BoogieIcfgContainer [2019-08-05 12:17:43,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:43,217 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:43,217 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:43,218 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:43,219 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayQuantifierEliminationBug02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:43" (1/1) ... [2019-08-05 12:17:43,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:43,388 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:43,424 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 74 root evaluator evaluations with a maximum evaluation depth of 5. Performed 74 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:17:43,424 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:43,429 INFO L168 Benchmark]: Toolchain (without parser) took 688.88 ms. Allocated memory is still 133.7 MB. Free memory was 107.5 MB in the beginning and 84.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:43,431 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:43,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 133.7 MB. Free memory was 107.5 MB in the beginning and 105.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:43,433 INFO L168 Benchmark]: Boogie Preprocessor took 31.75 ms. Allocated memory is still 133.7 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:43,434 INFO L168 Benchmark]: RCFGBuilder took 385.41 ms. Allocated memory is still 133.7 MB. Free memory was 103.8 MB in the beginning and 91.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:43,435 INFO L168 Benchmark]: Abstract Interpretation took 207.73 ms. Allocated memory is still 133.7 MB. Free memory was 91.5 MB in the beginning and 84.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:43,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 133.7 MB. Free memory was 107.5 MB in the beginning and 105.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.75 ms. Allocated memory is still 133.7 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 385.41 ms. Allocated memory is still 133.7 MB. Free memory was 103.8 MB in the beginning and 91.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 207.73 ms. Allocated memory is still 133.7 MB. Free memory was 91.5 MB in the beginning and 84.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 21]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L11] ~p.base, ~p.offset := #in~p.base, #in~p.offset; [L12] ~q.base, ~q.offset := #in~q.base, #in~q.offset; [L31-L32] modifies #memory_real, #memory_bool, #memory_$Pointer$.offset, #memory_$Pointer$.base, #memory_int; [L31-L33] ensures old(#memory_$Pointer$.base)[#ptr.base,#ptr.offset := #memory_$Pointer$.base[#ptr.base,#ptr.offset]] == #memory_$Pointer$.base && old(#memory_$Pointer$.offset)[#ptr.base,#ptr.offset := #memory_$Pointer$.offset[#ptr.base,#ptr.offset]] == #memory_$Pointer$.offset; [L31-L34] ensures old(#memory_int)[#ptr.base,#ptr.offset := #value] == #memory_int; [L31-L35] ensures old(#memory_bool)[#ptr.base,#ptr.offset := #memory_bool[#ptr.base,#ptr.offset]] == #memory_bool; [L31-L36] ensures old(#memory_real)[#ptr.base,#ptr.offset := #memory_real[#ptr.base,#ptr.offset]] == #memory_real; [L14] havoc #t~mem0; [L31-L32] modifies #memory_real, #memory_bool, #memory_$Pointer$.offset, #memory_$Pointer$.base, #memory_int; [L31-L33] ensures old(#memory_$Pointer$.base)[#ptr.base,#ptr.offset := #memory_$Pointer$.base[#ptr.base,#ptr.offset]] == #memory_$Pointer$.base && old(#memory_$Pointer$.offset)[#ptr.base,#ptr.offset := #memory_$Pointer$.offset[#ptr.base,#ptr.offset]] == #memory_$Pointer$.offset; [L31-L34] ensures old(#memory_int)[#ptr.base,#ptr.offset := #value] == #memory_int; [L31-L35] ensures old(#memory_bool)[#ptr.base,#ptr.offset := #memory_bool[#ptr.base,#ptr.offset]] == #memory_bool; [L31-L36] ensures old(#memory_real)[#ptr.base,#ptr.offset := #memory_real[#ptr.base,#ptr.offset]] == #memory_real; [L16] havoc #t~mem1; [L38-L39] ensures #memory_int[#ptr.base,#ptr.offset] == #value; [L19] assume 42 == #t~mem2; [L20] havoc #t~mem2; [L21] assert ~q.base == ~p.base && ~q.offset == ~p.offset; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...