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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:40:09,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:40:09,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:40:09,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:40:09,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:40:09,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:40:09,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:40:09,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:40:09,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:40:09,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:40:09,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-15 11:40:09,468 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-02-15 11:40:09,488 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:40:09,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:40:09,490 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:40:09,490 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:40:09,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:40:09,490 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:40:09,491 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:40:09,494 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:40:09,494 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-15 11:40:09,494 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:40:09,494 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-15 11:40:09,495 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-15 11:40:09,495 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:40:09,495 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:40:09,496 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:40:09,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:40:09,497 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:40:09,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:40:09,497 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:40:09,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:40:09,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:40:09,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:40:09,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:40:09,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:40:09,500 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:40:09,500 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:40:09,500 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:40:09,500 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:40:09,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:40:09,501 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:40:09,501 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:40:09,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:40:09,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:40:09,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:40:09,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:40:09,502 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:40:09,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:40:09,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:40:09,503 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:40:09,503 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:40:09,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:40:09,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:40:09,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:40:09,559 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:40:09,559 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:40:09,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl [2019-02-15 11:40:09,560 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array1.i_3.bpl' [2019-02-15 11:40:09,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:40:09,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:40:09,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:40:09,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:40:09,595 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:40:09,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:40:09,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:40:09,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:40:09,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:40:09,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:40:09,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:40:09,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:40:09,653 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:40:09,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:09" (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 [2019-02-15 11:40:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-15 11:40:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-15 11:40:09,938 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-15 11:40:09,939 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-02-15 11:40:09,942 INFO L202 PluginConnector]: Adding new model array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:40:09 BoogieIcfgContainer [2019-02-15 11:40:09,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:40:09,943 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-15 11:40:09,943 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-15 11:40:09,943 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-15 11:40:09,944 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:40:09" (1/1) ... [2019-02-15 11:40:09,983 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:40:10,330 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-15 11:40:10,349 INFO L272 AbstractInterpreter]: Visited 5 different actions 11 times. Merged at 1 different actions 3 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-02-15 11:40:10,351 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-15 11:40:10,352 INFO L168 Benchmark]: Toolchain (without parser) took 759.19 ms. Allocated memory is still 137.9 MB. Free memory was 105.5 MB in the beginning and 77.1 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:10,354 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 137.9 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:40:10,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.52 ms. Allocated memory is still 137.9 MB. Free memory was 105.1 MB in the beginning and 103.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:10,356 INFO L168 Benchmark]: Boogie Preprocessor took 20.67 ms. Allocated memory is still 137.9 MB. Free memory was 103.4 MB in the beginning and 102.5 MB in the end (delta: 900.3 kB). Peak memory consumption was 900.3 kB. Max. memory is 7.1 GB. [2019-02-15 11:40:10,357 INFO L168 Benchmark]: RCFGBuilder took 289.98 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 93.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:10,358 INFO L168 Benchmark]: Abstract Interpretation took 408.42 ms. Allocated memory is still 137.9 MB. Free memory was 93.7 MB in the beginning and 77.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:10,366 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 0.14 ms. Allocated memory is still 137.9 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.52 ms. Allocated memory is still 137.9 MB. Free memory was 105.1 MB in the beginning and 103.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.67 ms. Allocated memory is still 137.9 MB. Free memory was 103.4 MB in the beginning and 102.5 MB in the end (delta: 900.3 kB). Peak memory consumption was 900.3 kB. Max. memory is 7.1 GB. * RCFGBuilder took 289.98 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 93.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 408.42 ms. Allocated memory is still 137.9 MB. Free memory was 93.7 MB in the beginning and 77.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 37]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L10] havoc main_#res; [L11] havoc main_#t~post0, main_~A~4, main_~i~4; [L12] havoc main_~A~4; [L13] havoc main_~i~4; [L14] main_~i~4 := 0; [L30] assume !!(main_~i~4 < 1024); [L31] main_~A~4 := main_~A~4[main_~i~4 := main_~i~4]; [L32] main_#t~post0 := main_~i~4; [L33] main_~i~4 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L30] assume !!(main_~i~4 < 1024); [L31] main_~A~4 := main_~A~4[main_~i~4 := main_~i~4]; [L32] main_#t~post0 := main_~i~4; [L33] main_~i~4 := main_#t~post0 + 1; [L34] havoc main_#t~post0; [L22] assume !(main_~i~4 < 1024); [L23] __VERIFIER_assert_#in~cond := (if main_~A~4[1023] != 1023 then 1 else 0); [L24] havoc __VERIFIER_assert_~cond; [L25] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L26] assume __VERIFIER_assert_~cond == 0; [L27] assume !false; [L37] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...