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/ArrayQuantifierEliminationBug04-simplified02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:32,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:32,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:32,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:17:32,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:17:32,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:17:32,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:17:32,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:17:32,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:17:32,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:17:32,339 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:17:32,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:17:32,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:32,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:32,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:32,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:32,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:32,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:32,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:32,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:32,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:32,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:32,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:32,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:32,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:32,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:32,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:32,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:32,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:32,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:32,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:32,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:32,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:32,390 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 12:17:32,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:32,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:32,422 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:32,422 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:32,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:32,422 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:32,422 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:32,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:32,423 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:32,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:32,423 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:32,423 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:32,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:32,424 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:32,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:32,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:32,426 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:32,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:32,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:32,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:32,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:32,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:32,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:32,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:32,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:32,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:32,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:32,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:32,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:32,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:32,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:32,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:32,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:32,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:32,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:32,431 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:32,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:32,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:32,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:32,432 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:32,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:32,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:32,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:32,495 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:32,496 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:32,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04-simplified02.bpl [2019-08-05 12:17:32,497 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04-simplified02.bpl' [2019-08-05 12:17:32,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:32,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:32,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:32,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:32,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:32,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:32,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:32,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:32,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:32,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (1/1) ... [2019-08-05 12:17:32,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:32,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:32,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:32,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:32,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:32" (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 12:17:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:33,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:33,112 INFO L283 CfgBuilder]: Removed 32 assume(true) statements. [2019-08-05 12:17:33,114 INFO L202 PluginConnector]: Adding new model ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:33 BoogieIcfgContainer [2019-08-05 12:17:33,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:33,115 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:33,115 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:33,118 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:33,119 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayQuantifierEliminationBug04-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:33" (1/1) ... [2019-08-05 12:17:33,163 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:33,299 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:33,324 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 204 root evaluator evaluations with a maximum evaluation depth of 3. Performed 204 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:17:33,325 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:33,329 INFO L168 Benchmark]: Toolchain (without parser) took 787.74 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 75.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:33,331 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:33,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.84 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 101.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:33,335 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 100.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:33,337 INFO L168 Benchmark]: RCFGBuilder took 485.03 ms. Allocated memory is still 138.4 MB. Free memory was 100.3 MB in the beginning and 84.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:33,338 INFO L168 Benchmark]: Abstract Interpretation took 210.77 ms. Allocated memory is still 138.4 MB. Free memory was 84.4 MB in the beginning and 75.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:33,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.84 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 101.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 100.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.03 ms. Allocated memory is still 138.4 MB. Free memory was 100.3 MB in the beginning and 84.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 210.77 ms. Allocated memory is still 138.4 MB. Free memory was 84.4 MB in the beginning and 75.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 24]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L82-L85] modifies #valid; [L82-L83] ensures old(#valid)[#res!base] == false; [L82-L84] ensures #valid == old(#valid)[#res!base := true]; [L82-L85] modifies #valid; [L82-L83] ensures old(#valid)[#res!base] == false; [L82-L84] ensures #valid == old(#valid)[#res!base := true]; [L61-L62] modifies #memory_int, #memory_$Pointer$; [L61-L63] ensures #memory_int == old(#memory_int)[#ptr := #value]; [L61-L64] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #memory_$Pointer$[#ptr]]; [L82-L85] modifies #valid; [L82-L83] ensures old(#valid)[#res!base] == false; [L82-L84] ensures #valid == old(#valid)[#res!base := true]; [L73-L74] modifies #memory_int, #memory_$Pointer$; [L73-L75] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #value]; [L73-L74] modifies #memory_int, #memory_$Pointer$; [L73-L75] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #value]; [L73-L74] modifies #memory_int, #memory_$Pointer$; [L73-L75] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #value]; [L17] ~pp1~1 := ~#p1~1; [L18] ~pp2~1 := ~#p2~1; [L76-L77] ensures #value == #memory_$Pointer$[#ptr]; [L73-L74] modifies #memory_int, #memory_$Pointer$; [L73-L75] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #value]; [L7] havoc #t~mem1; [L61-L62] modifies #memory_int, #memory_$Pointer$; [L61-L63] ensures #memory_int == old(#memory_int)[#ptr := #value]; [L61-L64] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #memory_$Pointer$[#ptr]]; [L61-L62] modifies #memory_int, #memory_$Pointer$; [L61-L63] ensures #memory_int == old(#memory_int)[#ptr := #value]; [L61-L64] ensures #memory_$Pointer$ == old(#memory_$Pointer$)[#ptr := #memory_$Pointer$[#ptr]]; [L76-L77] ensures #value == #memory_$Pointer$[#ptr]; [L67-L68] ensures #value == #memory_int[#ptr]; [L24] assert #t~mem8 == 8; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...