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_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a9d37a5-m [2019-02-28 11:53:30,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-28 11:53:30,551 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-28 11:53:30,564 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-02-28 11:53:30,623 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-02-28 11:53:30,637 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-28 11:53:30,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-28 11:53:30,638 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-28 11:53:30,639 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-28 11:53:30,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-28 11:53:30,639 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-28 11:53:30,639 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-28 11:53:30,640 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-28 11:53:30,640 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-28 11:53:30,640 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-28 11:53:30,640 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-28 11:53:30,640 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-28 11:53:30,641 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-28 11:53:30,641 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-28 11:53:30,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-28 11:53:30,642 INFO L133 SettingsManager]: * Use SBE=true [2019-02-28 11:53:30,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-28 11:53:30,642 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-28 11:53:30,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-28 11:53:30,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-28 11:53:30,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-28 11:53:30,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-28 11:53:30,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-28 11:53:30,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-28 11:53:30,644 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-28 11:53:30,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-28 11:53:30,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-28 11:53:30,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-28 11:53:30,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-28 11:53:30,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-28 11:53:30,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 11:53:30,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-28 11:53:30,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-28 11:53:30,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-28 11:53:30,646 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-28 11:53:30,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-28 11:53:30,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in [2019-02-28 11:53:30,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-28 11:53:30,647 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-28 11:53:30,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-28 11:53:30,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-28 11:53:30,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-28 11:53:30,721 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-28 11:53:30,721 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-28 11:53:30,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl [2019-02-28 11:53:30,722 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl' [2019-02-28 11:53:30,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-28 11:53:30,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-28 11:53:30,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-28 11:53:30,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-28 11:53:30,768 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-28 11:53:30,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-28 11:53:30,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-28 11:53:30,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-28 11:53:30,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-28 11:53:30,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (1/1) ... [2019-02-28 11:53:30,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-28 11:53:30,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-28 11:53:30,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-28 11:53:30,828 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-28 11:53:30,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:30" (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:16092 -smt2 -in -t:200000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 11:53:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-28 11:53:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-28 11:53:31,097 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-28 11:53:31,098 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-02-28 11:53:31,099 INFO L202 PluginConnector]: Adding new model array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 11:53:31 BoogieIcfgContainer [2019-02-28 11:53:31,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-28 11:53:31,100 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-28 11:53:31,100 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-28 11:53:31,101 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-28 11:53:31,102 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 11:53:31" (1/1) ... [2019-02-28 11:53:31,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-28 11:53:32,459 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-28 11:53:32,485 INFO L272 AbstractInterpreter]: Visited 5 different actions 19 times. Merged at 1 different actions 7 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-28 11:53:32,489 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-28 11:53:32,490 INFO L168 Benchmark]: Toolchain (without parser) took 1724.32 ms. Allocated memory was 132.6 MB in the beginning and 195.6 MB in the end (delta: 62.9 MB). Free memory was 107.9 MB in the beginning and 146.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-02-28 11:53:32,494 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-28 11:53:32,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 132.6 MB. Free memory was 107.6 MB in the beginning and 106.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-02-28 11:53:32,498 INFO L168 Benchmark]: Boogie Preprocessor took 21.72 ms. Allocated memory is still 132.6 MB. Free memory was 106.1 MB in the beginning and 105.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-28 11:53:32,499 INFO L168 Benchmark]: RCFGBuilder took 272.34 ms. Allocated memory is still 132.6 MB. Free memory was 105.0 MB in the beginning and 96.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-02-28 11:53:32,500 INFO L168 Benchmark]: Abstract Interpretation took 1389.15 ms. Allocated memory was 132.6 MB in the beginning and 195.6 MB in the end (delta: 62.9 MB). Free memory was 95.9 MB in the beginning and 146.7 MB in the end (delta: -50.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-02-28 11:53:32,510 INFO L336 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 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 132.6 MB. Free memory was 107.6 MB in the beginning and 106.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.72 ms. Allocated memory is still 132.6 MB. Free memory was 106.1 MB in the beginning and 105.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 272.34 ms. Allocated memory is still 132.6 MB. Free memory was 105.0 MB in the beginning and 96.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1389.15 ms. Allocated memory was 132.6 MB in the beginning and 195.6 MB in the end (delta: 62.9 MB). Free memory was 95.9 MB in the beginning and 146.7 MB in the end (delta: -50.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 42]: 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~post0, main_~A~4, main_~B~4, main_~i~4, main_~tmp~4; [L14] havoc main_~A~4; [L15] havoc main_~B~4; [L16] havoc main_~i~4; [L17] havoc main_~tmp~4; [L18] main_~i~4 := 0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L26] assume !(main_~i~4 < 2048); [L27] __VERIFIER_assert_#in~cond := (if main_~A~4[1024] != main_~B~4[1024] then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L29] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L30] assume __VERIFIER_assert_~cond == 0; [L31] assume !false; [L42] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...