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_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:19:52,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:19:52,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:19:52,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-07 15:19:52,981 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2019-01-07 15:19:53,004 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:19:53,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:19:53,007 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:19:53,008 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:19:53,008 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:19:53,008 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:19:53,009 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:19:53,009 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:19:53,009 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:19:53,009 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-07 15:19:53,009 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:19:53,010 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:19:53,011 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:19:53,012 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:19:53,012 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:19:53,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:19:53,012 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:19:53,014 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:19:53,015 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:19:53,015 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:19:53,015 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:19:53,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:19:53,016 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:19:53,016 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:19:53,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:19:53,016 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:19:53,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:19:53,017 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:19:53,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:19:53,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:19:53,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:19:53,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:19:53,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:19:53,018 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:19:53,019 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:19:53,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:19:53,019 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:19:53,019 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:19:53,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:19:53,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:19:53,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:19:53,093 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:19:53,093 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:19:53,094 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2019-01-07 15:19:53,095 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2019-01-07 15:19:53,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:19:53,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:19:53,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:19:53,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:19:53,167 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:19:53,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:19:53,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:19:53,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:19:53,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:19:53,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:19:53,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:19:53,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:19:53,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:19:53,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (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 [2019-01-07 15:19:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 15:19:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 15:19:53,845 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 15:19:53,846 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-07 15:19:53,847 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:19:53 BoogieIcfgContainer [2019-01-07 15:19:53,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:19:53,848 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:19:53,848 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:19:53,848 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:19:53,849 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 15:19:54,045 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-01-07 15:20:11,389 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 15:20:11,411 INFO L272 AbstractInterpreter]: Visited 6 different actions 216 times. Merged at 4 different actions 168 times. Widened at 3 different actions 116 times. Performed 1807 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1807 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-07 15:20:11,413 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 15:20:11,415 INFO L168 Benchmark]: Toolchain (without parser) took 18251.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 186.5 MB). Peak memory consumption was 936.2 MB. Max. memory is 7.1 GB. [2019-01-07 15:20:11,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:20:11,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:20:11,419 INFO L168 Benchmark]: Boogie Preprocessor took 38.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:20:11,420 INFO L168 Benchmark]: RCFGBuilder took 581.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-01-07 15:20:11,421 INFO L168 Benchmark]: Abstract Interpretation took 17565.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 165.3 MB). Peak memory consumption was 915.0 MB. Max. memory is 7.1 GB. [2019-01-07 15:20:11,426 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 581.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 17565.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 165.3 MB). Peak memory consumption was 915.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 101]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L37] #NULL.base, #NULL.offset := 0, 0; [L38] #valid := #valid[0 := 0]; [L39] ~SIZE := 0; [L40] havoc main_#res; [L41] havoc main_#t~nondet3, main_#t~ret5, main_~#a~7.base, main_~#a~7.offset; [L42] ~SIZE := (if main_#t~nondet3 % 4294967296 < 0 && main_#t~nondet3 % 4294967296 % 8 != 0 then main_#t~nondet3 % 4294967296 / 8 + 1 else main_#t~nondet3 % 4294967296 / 8) + 1; [L43] havoc main_#t~nondet3; [L44] #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid; [L45] #Ultimate.alloc_~size := ~SIZE % 4294967296 * 4; [L46] havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L47] havoc #valid, #length; [L48] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L49] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L50] assume #Ultimate.alloc_#res.offset == 0; [L51] assume #Ultimate.alloc_#res.base != 0; [L52] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L53] main_~#a~7.base, main_~#a~7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L54] write~int_old_#memory_int := #memory_int; [L55] write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 3, main_~#a~7.base, main_~#a~7.offset + (if ~SIZE % 4294967296 < 0 && ~SIZE % 4294967296 % 2 != 0 then ~SIZE % 4294967296 / 2 + 1 else ~SIZE % 4294967296 / 2) % 4294967296 * 4, 4; [L56] havoc #memory_int; [L57] assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value]; [L58] linear_search_#in~a.base, linear_search_#in~a.offset, linear_search_#in~n, linear_search_#in~q := main_~#a~7.base, main_~#a~7.offset, (if ~SIZE % 4294967296 % 4294967296 <= 2147483647 then ~SIZE % 4294967296 % 4294967296 else ~SIZE % 4294967296 % 4294967296 - 4294967296), 3; [L59] havoc linear_search_#res; [L60] havoc linear_search_#t~post2, linear_search_#t~mem0, linear_search_#t~short1, linear_search_~a.base, linear_search_~a.offset, linear_search_~n, linear_search_~q, linear_search_~j~5; [L61] linear_search_~a.base, linear_search_~a.offset := linear_search_#in~a.base, linear_search_#in~a.offset; [L62] linear_search_~n := linear_search_#in~n; [L63] linear_search_~q := linear_search_#in~q; [L64] linear_search_~j~5 := 0; [L68] linear_search_#t~short1 := linear_search_~j~5 % 4294967296 < linear_search_~n % 4294967296; [L69] assume linear_search_#t~short1; [L70] read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := linear_search_~a.base, linear_search_~a.offset + linear_search_~j~5 % 4294967296 * 4, 4; [L71] havoc read~int_#value; [L72] assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset]; [L73] linear_search_#t~mem0 := read~int_#value; [L74] linear_search_#t~short1 := linear_search_#t~mem0 != linear_search_~q; [L79] assume !linear_search_#t~short1; [L80] havoc linear_search_#t~mem0; [L81] havoc linear_search_#t~short1; [L82] assume !(linear_search_~j~5 % 4294967296 < ~SIZE % 4294967296); [L83] linear_search_#res := 0; [L84] main_#t~ret5 := linear_search_#res; [L85] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; [L86] __VERIFIER_assert_#in~cond := main_#t~ret5; [L87] havoc __VERIFIER_assert_~cond; [L88] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L89] assume __VERIFIER_assert_~cond == 0; [L90] assume !false; [L101] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...