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/ArrayQuantifierEliminationBug01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:48,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:48,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:48,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:17:48,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:17:48,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:17:48,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:17:48,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:17:48,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:17:48,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:17:48,904 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:17:48,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:17:48,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:48,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:48,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:48,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:48,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:48,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:48,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:48,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:48,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:48,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:48,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:48,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:48,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:48,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:48,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:48,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:48,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:48,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:48,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:48,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:48,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:17:48,947 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 12:17:48,969 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:48,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:48,973 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:48,973 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:48,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:48,973 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:48,974 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:48,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:48,975 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:48,975 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:48,975 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:48,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:48,977 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:48,977 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:48,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:48,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:48,978 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:48,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:48,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:48,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:48,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:48,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:48,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:48,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:48,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:48,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:48,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:48,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:48,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:48,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:48,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:48,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:48,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:48,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:48,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:48,982 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:48,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:48,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:48,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:48,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:49,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:49,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:49,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:49,043 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:49,044 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:49,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/ArrayQuantifierEliminationBug01.bpl [2019-08-05 12:17:49,045 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/ArrayQuantifierEliminationBug01.bpl' [2019-08-05 12:17:49,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:49,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:49,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:49,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:49,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:49,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:49,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:49,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:49,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:49,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:49,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:49,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:49,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:49,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:49" (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 12:17:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:49,391 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:49,391 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-08-05 12:17:49,392 INFO L202 PluginConnector]: Adding new model ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:49 BoogieIcfgContainer [2019-08-05 12:17:49,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:49,393 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:49,393 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:49,393 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:49,395 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayQuantifierEliminationBug01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:49" (1/1) ... [2019-08-05 12:17:49,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:49,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:49,498 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 40 root evaluator evaluations with a maximum evaluation depth of 1. Performed 40 inverse root evaluator evaluations with a maximum inverse evaluation depth of 1. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:17:49,498 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:49,501 INFO L168 Benchmark]: Toolchain (without parser) took 420.16 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 87.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:49,502 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:49,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.57 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 103.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:49,505 INFO L168 Benchmark]: Boogie Preprocessor took 18.71 ms. Allocated memory is still 131.6 MB. Free memory was 103.4 MB in the beginning and 102.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:49,506 INFO L168 Benchmark]: RCFGBuilder took 239.90 ms. Allocated memory is still 131.6 MB. Free memory was 102.3 MB in the beginning and 93.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:49,507 INFO L168 Benchmark]: Abstract Interpretation took 105.23 ms. Allocated memory is still 131.6 MB. Free memory was 93.1 MB in the beginning and 87.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:49,512 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 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.57 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 103.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.71 ms. Allocated memory is still 131.6 MB. Free memory was 103.4 MB in the beginning and 102.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.90 ms. Allocated memory is still 131.6 MB. Free memory was 102.3 MB in the beginning and 93.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 105.23 ms. Allocated memory is still 131.6 MB. Free memory was 93.1 MB in the beginning and 87.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 24]: Unable to prove that procedure precondition always holds and assertion always holds Unable to prove that procedure precondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L29-L32] modifies valid; [L30] free ensures false == old(valid)[addr]; [L31] free ensures old(valid)[addr := true] == valid; [L29-L32] modifies valid; [L30] free ensures false == old(valid)[addr]; [L31] free ensures old(valid)[addr := true] == valid; [L24-L25] requires valid[pointer]; - UnprovableResult [Line: 24]: Unable to prove that procedure precondition always holds and assertion always holds Unable to prove that procedure precondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L29-L32] modifies valid; [L30] free ensures false == old(valid)[addr]; [L31] free ensures old(valid)[addr := true] == valid; [L29-L32] modifies valid; [L30] free ensures false == old(valid)[addr]; [L31] free ensures old(valid)[addr := true] == valid; [L24-L25] requires valid[pointer]; [L24-L27] modifies valid; [L26] free ensures old(valid)[pointer := false] == valid; [L24-L25] requires valid[pointer]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...