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/array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:28:13,373 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:28:13,376 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:28:13,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 15:28:13,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 15:28:13,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 15:28:13,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 15:28:13,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 15:28:13,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 15:28:13,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 15:28:13,401 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-31 15:28:13,448 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 [2019-01-31 15:28:13,471 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:28:13,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:28:13,473 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:28:13,473 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:28:13,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:28:13,473 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:28:13,474 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:28:13,474 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:28:13,474 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:28:13,474 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-31 15:28:13,474 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:28:13,475 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:28:13,476 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:28:13,476 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:28:13,477 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:28:13,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:28:13,478 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:28:13,478 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:28:13,478 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:28:13,479 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:28:13,479 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:28:13,479 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:28:13,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:28:13,479 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:28:13,480 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:28:13,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:28:13,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:28:13,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:28:13,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:28:13,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:28:13,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:28:13,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:28:13,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:28:13,484 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:28:13,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:28:13,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:28:13,485 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:28:13,485 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:28:13,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:28:13,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:28:13,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:28:13,559 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:28:13,560 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:28:13,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl [2019-01-31 15:28:13,561 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl' [2019-01-31 15:28:13,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:28:13,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:28:13,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:28:13,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:28:13,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:28:13,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:28:13,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:28:13,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:28:13,647 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:28:13,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (1/1) ... [2019-01-31 15:28:13,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:28:13,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:28:13,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:28:13,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:28:13,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:13" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:28:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 15:28:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 15:28:14,235 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 15:28:14,236 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-31 15:28:14,237 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:28:14 BoogieIcfgContainer [2019-01-31 15:28:14,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:28:14,238 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:28:14,238 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:28:14,239 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:28:14,240 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:28:14" (1/1) ... [2019-01-31 15:28:14,298 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:28:14,704 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-01-31 15:28:18,847 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 15:28:18,867 INFO L272 AbstractInterpreter]: Visited 5 different actions 7 times. Merged at 1 different actions 1 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-31 15:28:18,869 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 15:28:18,870 INFO L168 Benchmark]: Toolchain (without parser) took 5263.35 ms. Allocated memory was 133.7 MB in the beginning and 229.1 MB in the end (delta: 95.4 MB). Free memory was 108.8 MB in the beginning and 185.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. [2019-01-31 15:28:18,873 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:28:18,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.05 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 107.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-01-31 15:28:18,877 INFO L168 Benchmark]: Boogie Preprocessor took 22.51 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 105.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-31 15:28:18,878 INFO L168 Benchmark]: RCFGBuilder took 568.06 ms. Allocated memory is still 133.7 MB. Free memory was 105.8 MB in the beginning and 94.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-01-31 15:28:18,881 INFO L168 Benchmark]: Abstract Interpretation took 4631.17 ms. Allocated memory was 133.7 MB in the beginning and 229.1 MB in the end (delta: 95.4 MB). Free memory was 94.4 MB in the beginning and 185.4 MB in the end (delta: -90.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. [2019-01-31 15:28:18,889 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.05 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 107.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.51 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 105.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 568.06 ms. Allocated memory is still 133.7 MB. Free memory was 105.8 MB in the beginning and 94.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4631.17 ms. Allocated memory was 133.7 MB in the beginning and 229.1 MB in the end (delta: 95.4 MB). Free memory was 94.4 MB in the beginning and 185.4 MB in the end (delta: -90.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 52]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L15] havoc main_#res; [L16] havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_~SIZE~5, main_~j~5, main_~k~5, main_~array~5, main_~menor~5; [L17] main_~SIZE~5 := 1; [L18] havoc main_~j~5; [L19] havoc main_~k~5; [L20] havoc main_~array~5; [L21] havoc main_~menor~5; [L22] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L23] main_~menor~5 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] main_~j~5 := 0; [L41] assume !!(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296); [L42] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L43] main_~array~5 := main_~array~5[main_~j~5 % 4294967296 := main_#t~nondet2]; [L44] havoc main_#t~nondet2; [L45] assume main_~array~5[main_~j~5 % 4294967296] <= main_~menor~5; [L46] main_~menor~5 := main_~array~5[main_~j~5 % 4294967296]; [L47] main_#t~post1 := main_~j~5; [L48] main_~j~5 := main_#t~post1 + 1; [L49] havoc main_#t~post1; [L33] assume !(main_~j~5 % 4294967296 < main_~SIZE~5 % 4294967296); [L34] __VERIFIER_assert_#in~cond := (if main_~array~5[0] >= main_~menor~5 then 1 else 0); [L35] havoc __VERIFIER_assert_~cond; [L36] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L37] assume __VERIFIER_assert_~cond == 0; [L38] assume !false; [L52] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...