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/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:44,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:44,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:44,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:44,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:44,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:44,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:44,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:44,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:44,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:44,535 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:44,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:44,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:44,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:44,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:44,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:44,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:44,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:44,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:44,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:44,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:44,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:44,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:44,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:44,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:44,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:44,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:44,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:44,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:44,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:44,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:44,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:44,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:44,563 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 12:15:44,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:44,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:44,577 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:44,577 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:44,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:44,578 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:44,578 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:44,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:44,578 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:44,579 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:44,579 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:44,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:44,579 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:44,579 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:44,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:44,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:44,581 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:44,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:44,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:44,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:44,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:44,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:44,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:44,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:44,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:44,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:44,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:44,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:44,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:44,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:44,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:44,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:44,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:44,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:44,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:44,584 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:44,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:44,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:44,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:44,585 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:44,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:44,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:44,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:44,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:44,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:44,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl [2019-08-05 12:15:44,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl' [2019-08-05 12:15:44,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:44,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:44,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:44,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:44,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:44,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,710 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:44,711 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:44,711 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:44,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:44,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:44,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:44,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:44,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:44,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:44,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:44,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:44,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (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 12:15:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-05 12:15:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:15:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:15:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-08-05 12:15:45,209 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:45,209 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-05 12:15:45,210 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:45 BoogieIcfgContainer [2019-08-05 12:15:45,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:45,211 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:45,211 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:45,212 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:45,213 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:45" (1/1) ... [2019-08-05 12:15:45,245 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:45,455 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:45,479 INFO L272 AbstractInterpreter]: Visited 13 different actions 43 times. Merged at 11 different actions 23 times. Never widened. Performed 243 root evaluator evaluations with a maximum evaluation depth of 3. Performed 243 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 4 different actions. Largest state had 0 variables. [2019-08-05 12:15:45,480 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:45,483 INFO L168 Benchmark]: Toolchain (without parser) took 807.95 ms. Allocated memory is still 137.9 MB. Free memory was 105.6 MB in the beginning and 80.7 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:45,484 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:45,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.87 ms. Allocated memory is still 137.9 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 12:15:45,487 INFO L168 Benchmark]: Boogie Preprocessor took 34.50 ms. Allocated memory is still 137.9 MB. Free memory was 103.4 MB in the beginning and 102.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:45,488 INFO L168 Benchmark]: RCFGBuilder took 447.74 ms. Allocated memory is still 137.9 MB. Free memory was 101.7 MB in the beginning and 90.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:45,489 INFO L168 Benchmark]: Abstract Interpretation took 268.38 ms. Allocated memory is still 137.9 MB. Free memory was 90.1 MB in the beginning and 80.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:45,493 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 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.87 ms. Allocated memory is still 137.9 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 34.50 ms. Allocated memory is still 137.9 MB. Free memory was 103.4 MB in the beginning and 102.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 447.74 ms. Allocated memory is still 137.9 MB. Free memory was 101.7 MB in the beginning and 90.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 268.38 ms. Allocated memory is still 137.9 MB. Free memory was 90.1 MB in the beginning and 80.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 41]: 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: [L49-L54] modifies #valid, #length; [L49] ensures old(#valid)[#res!base] == false; [L49-L50] ensures #valid == old(#valid)[#res!base := true]; [L49-L51] ensures #res!offset == 0; [L49-L52] ensures #res!base != 0; [L49-L53] ensures #length == old(#length)[#res!base := ~size]; [L10] ~p~1 := #t~malloc0; [L11] ~q~1 := ~p~1; [L14] #t~short2 := ~q~1!offset < { base: ~p~1!base, offset: ~p~1!offset + 400 }!offset; [L15] COND TRUE #t~short2 [L41] requires #valid[#ptr!base]; - UnprovableResult [Line: 41]: 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: [L49-L54] modifies #valid, #length; [L49] ensures old(#valid)[#res!base] == false; [L49-L50] ensures #valid == old(#valid)[#res!base := true]; [L49-L51] ensures #res!offset == 0; [L49-L52] ensures #res!base != 0; [L49-L53] ensures #length == old(#length)[#res!base := ~size]; [L10] ~p~1 := #t~malloc0; [L11] ~q~1 := ~p~1; [L14] #t~short2 := ~q~1!offset < { base: ~p~1!base, offset: ~p~1!offset + 400 }!offset; [L15] COND TRUE #t~short2 [L41] requires #valid[#ptr!base]; [L41-L42] requires #sizeOfReadType + #ptr!offset <= #length[#ptr!base]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...