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/eq/28_extended_weak_equivalences_for_scoping.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:10,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:10,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:10,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:10,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:10,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:10,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:10,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:10,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:10,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:10,440 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:10,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:19:10,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:10,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:10,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:10,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:10,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:10,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:10,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:10,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:10,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:10,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:10,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:10,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:10,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:19:10,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:10,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:10,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:10,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:10,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:10,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:10,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:10,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:19:10,478 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 12:19:10,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:10,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:10,502 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:10,502 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:10,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:10,502 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:10,503 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:10,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:10,504 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:10,504 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:10,504 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:10,504 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:10,504 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:10,505 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:10,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:10,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:10,507 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:10,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:10,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:10,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:10,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:10,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:10,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:10,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:10,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:10,509 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:10,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:10,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:10,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:10,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:10,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:10,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:10,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:10,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:10,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:10,511 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:10,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:10,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:10,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:10,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:10,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:10,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:10,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:10,582 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:10,582 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:10,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/28_extended_weak_equivalences_for_scoping.bpl [2019-08-05 12:19:10,583 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/28_extended_weak_equivalences_for_scoping.bpl' [2019-08-05 12:19:10,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:10,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:10,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:10,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:10,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:10,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,649 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:10,650 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:10,650 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:10,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:10,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:10,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:10,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:10,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:10,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:10,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:10,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:10,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:10" (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 12:19:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-05 12:19:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 12:19:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 12:19:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:19:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:19:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure freemem [2019-08-05 12:19:10,967 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:10,967 INFO L283 CfgBuilder]: Removed 12 assume(true) statements. [2019-08-05 12:19:10,968 INFO L202 PluginConnector]: Adding new model 28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:10 BoogieIcfgContainer [2019-08-05 12:19:10,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:10,969 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:10,969 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:10,970 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:10,970 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "28_extended_weak_equivalences_for_scoping.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:10" (1/1) ... [2019-08-05 12:19:10,993 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:11,060 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:11,079 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 46 root evaluator evaluations with a maximum evaluation depth of 3. Performed 46 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:19:11,079 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:11,082 INFO L168 Benchmark]: Toolchain (without parser) took 466.17 ms. Allocated memory is still 141.6 MB. Free memory was 105.3 MB in the beginning and 86.1 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,083 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.60 ms. Allocated memory is still 141.6 MB. Free memory was 105.3 MB in the beginning and 102.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,086 INFO L168 Benchmark]: Boogie Preprocessor took 27.03 ms. Allocated memory is still 141.6 MB. Free memory was 102.7 MB in the beginning and 101.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,089 INFO L168 Benchmark]: RCFGBuilder took 273.14 ms. Allocated memory is still 141.6 MB. Free memory was 101.6 MB in the beginning and 91.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,090 INFO L168 Benchmark]: Abstract Interpretation took 110.23 ms. Allocated memory is still 141.6 MB. Free memory was 91.8 MB in the beginning and 86.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,098 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 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 106.3 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 52.60 ms. Allocated memory is still 141.6 MB. Free memory was 105.3 MB in the beginning and 102.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.03 ms. Allocated memory is still 141.6 MB. Free memory was 102.7 MB in the beginning and 101.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.14 ms. Allocated memory is still 141.6 MB. Free memory was 101.6 MB in the beginning and 91.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 110.23 ms. Allocated memory is still 141.6 MB. Free memory was 91.8 MB in the beginning and 86.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 22]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L39-L40] modifies valid; [L39-L41] ensures old(valid)[res] == false; [L39-L42] ensures valid == old(valid)[res := true]; [L20] mem[p] := 12; [L39-L40] modifies valid; [L39-L41] ensures old(valid)[res] == false; [L39-L42] ensures valid == old(valid)[res := true]; [L35] mem[q] := 13; [L44-L45] modifies valid; [L44-L46] ensures valid == old(valid)[p := false]; [L22] assert mem[p] == 12; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...