java -ea -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_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0302a3f [2019-02-27 13:43:21,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-27 13:43:21,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-27 13:43:21,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-27 13:43:21,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-27 13:43:21,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-27 13:43:21,520 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-27 13:43:21,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-27 13:43:21,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-27 13:43:21,525 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-27 13:43:21,526 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-27 13:43:21,576 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2019-02-27 13:43:21,599 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-27 13:43:21,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-27 13:43:21,600 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-27 13:43:21,603 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-27 13:43:21,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-27 13:43:21,603 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-27 13:43:21,603 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-27 13:43:21,603 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-27 13:43:21,604 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-27 13:43:21,604 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-27 13:43:21,604 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-27 13:43:21,605 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-27 13:43:21,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-27 13:43:21,606 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-27 13:43:21,607 INFO L133 SettingsManager]: * Use SBE=true [2019-02-27 13:43:21,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-27 13:43:21,609 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-27 13:43:21,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-27 13:43:21,609 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-27 13:43:21,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-27 13:43:21,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-27 13:43:21,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-27 13:43:21,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-27 13:43:21,610 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-27 13:43:21,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-27 13:43:21,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-27 13:43:21,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-27 13:43:21,612 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-27 13:43:21,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-27 13:43:21,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-27 13:43:21,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-27 13:43:21,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-27 13:43:21,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-27 13:43:21,613 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-27 13:43:21,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-27 13:43:21,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-27 13:43:21,614 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-27 13:43:21,614 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-27 13:43:21,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-27 13:43:21,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-27 13:43:21,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-27 13:43:21,664 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-27 13:43:21,664 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-27 13:43:21,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl [2019-02-27 13:43:21,665 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl' [2019-02-27 13:43:21,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-27 13:43:21,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-27 13:43:21,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-27 13:43:21,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-27 13:43:21,708 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-27 13:43:21,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-27 13:43:21,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-27 13:43:21,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-27 13:43:21,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-27 13:43:21,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (1/1) ... [2019-02-27 13:43:21,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-27 13:43:21,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-27 13:43:21,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-27 13:43:21,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-27 13:43:21,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:43:21" (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 [2019-02-27 13:43:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-27 13:43:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-27 13:43:22,248 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-27 13:43:22,249 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-02-27 13:43:22,249 INFO L202 PluginConnector]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:43:22 BoogieIcfgContainer [2019-02-27 13:43:22,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-27 13:43:22,250 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-27 13:43:22,250 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-27 13:43:22,251 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-27 13:43:22,252 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:43:22" (1/1) ... [2019-02-27 13:43:22,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-27 13:43:38,419 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-27 13:43:38,441 INFO L272 AbstractInterpreter]: Visited 7 different actions 35 times. Merged at 2 different actions 14 times. Widened at 2 different actions 6 times. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-02-27 13:43:38,444 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-27 13:43:38,445 INFO L168 Benchmark]: Toolchain (without parser) took 16739.23 ms. Allocated memory was 140.5 MB in the beginning and 317.7 MB in the end (delta: 177.2 MB). Free memory was 108.1 MB in the beginning and 269.2 MB in the end (delta: -161.1 MB). Peak memory consumption was 194.5 MB. Max. memory is 7.1 GB. [2019-02-27 13:43:38,448 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-27 13:43:38,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.36 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 106.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-02-27 13:43:38,452 INFO L168 Benchmark]: Boogie Preprocessor took 21.99 ms. Allocated memory is still 140.5 MB. Free memory was 106.1 MB in the beginning and 105.2 MB in the end (delta: 900.5 kB). Peak memory consumption was 900.5 kB. Max. memory is 7.1 GB. [2019-02-27 13:43:38,454 INFO L168 Benchmark]: RCFGBuilder took 480.71 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 93.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-02-27 13:43:38,457 INFO L168 Benchmark]: Abstract Interpretation took 16193.93 ms. Allocated memory was 140.5 MB in the beginning and 317.7 MB in the end (delta: 177.2 MB). Free memory was 93.7 MB in the beginning and 269.2 MB in the end (delta: -175.4 MB). Peak memory consumption was 180.1 MB. Max. memory is 7.1 GB. [2019-02-27 13:43:38,462 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.36 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 106.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.99 ms. Allocated memory is still 140.5 MB. Free memory was 106.1 MB in the beginning and 105.2 MB in the end (delta: 900.5 kB). Peak memory consumption was 900.5 kB. Max. memory is 7.1 GB. * RCFGBuilder took 480.71 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 93.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 16193.93 ms. Allocated memory was 140.5 MB in the beginning and 317.7 MB in the end (delta: 177.2 MB). Free memory was 93.7 MB in the beginning and 269.2 MB in the end (delta: -175.4 MB). Peak memory consumption was 180.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 56]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] havoc main_#res; [L13] havoc main_#t~nondet1, main_#t~post0, main_#t~post2, main_~A~5, main_~i~5; [L14] havoc main_~A~5; [L15] havoc main_~i~5; [L16] main_~i~5 := 0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L28] assume !!(main_~i~5 < 1024); [L29] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L30] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L31] havoc main_#t~nondet1; [L32] main_#t~post0 := main_~i~5; [L33] main_~i~5 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L24] assume !(main_~i~5 < 1024); [L25] main_~i~5 := 0; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L50] assume !!(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L51] main_#t~post2 := main_~i~5; [L52] main_~i~5 := main_#t~post2 + 1; [L53] havoc main_#t~post2; [L42] assume !(main_~A~5[main_~i~5] != 0 && main_~i~5 < 1024); [L43] __VERIFIER_assert_#in~cond := (if main_~i~5 <= 512 then 1 else 0); [L44] havoc __VERIFIER_assert_~cond; [L45] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L46] assume __VERIFIER_assert_~cond == 0; [L47] assume !false; [L56] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...