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_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl
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This is Ultimate 0.1.24-0302a3f
[2019-02-25 16:08:22,429 INFO L170 SettingsManager]: Resetting all preferences to default values...
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[2019-02-25 16:08:22,505 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
[2019-02-25 16:08:22,527 INFO L110 SettingsManager]: Loading preferences was successful
[2019-02-25 16:08:22,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2019-02-25 16:08:22,530 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2019-02-25 16:08:22,530 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2019-02-25 16:08:22,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-02-25 16:08:22,531 INFO L133 SettingsManager]: * User list type=DISABLED
[2019-02-25 16:08:22,531 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true
[2019-02-25 16:08:22,531 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-02-25 16:08:22,532 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2019-02-25 16:08:22,532 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain
[2019-02-25 16:08:22,532 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2019-02-25 16:08:22,532 INFO L133 SettingsManager]: * Interval Domain=false
[2019-02-25 16:08:22,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-02-25 16:08:22,533 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2019-02-25 16:08:22,533 INFO L133 SettingsManager]: * Use SBE=true
[2019-02-25 16:08:22,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-02-25 16:08:22,535 INFO L133 SettingsManager]: * sizeof long=4
[2019-02-25 16:08:22,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2019-02-25 16:08:22,535 INFO L133 SettingsManager]: * sizeof POINTER=4
[2019-02-25 16:08:22,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2019-02-25 16:08:22,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-02-25 16:08:22,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-02-25 16:08:22,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-02-25 16:08:22,536 INFO L133 SettingsManager]: * sizeof long double=12
[2019-02-25 16:08:22,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2019-02-25 16:08:22,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-02-25 16:08:22,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-02-25 16:08:22,538 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-02-25 16:08:22,538 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2019-02-25 16:08:22,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-02-25 16:08:22,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-02-25 16:08:22,539 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-02-25 16:08:22,539 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-02-25 16:08:22,539 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-02-25 16:08:22,539 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-02-25 16:08:22,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-02-25 16:08:22,540 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-02-25 16:08:22,540 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-02-25 16:08:22,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-02-25 16:08:22,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-02-25 16:08:22,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-02-25 16:08:22,616 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-02-25 16:08:22,617 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2019-02-25 16:08:22,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl
[2019-02-25 16:08:22,618 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl'
[2019-02-25 16:08:22,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-02-25 16:08:22,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-02-25 16:08:22,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-02-25 16:08:22,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-02-25 16:08:22,677 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2019-02-25 16:08:22,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-02-25 16:08:22,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-02-25 16:08:22,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-02-25 16:08:22,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2019-02-25 16:08:22,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (1/1) ...
[2019-02-25 16:08:22,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-02-25 16:08:22,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-02-25 16:08:22,741 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-02-25 16:08:22,741 INFO L276 PluginConnector]: RCFGBuilder initialized
[2019-02-25 16:08:22,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:08:22" (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
[2019-02-25 16:08:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-02-25 16:08:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-02-25 16:08:23,093 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-02-25 16:08:23,094 INFO L286 CfgBuilder]: Removed 1 assue(true) statements.
[2019-02-25 16:08:23,095 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:08:23 BoogieIcfgContainer
[2019-02-25 16:08:23,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-02-25 16:08:23,096 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-02-25 16:08:23,096 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-02-25 16:08:23,097 INFO L276 PluginConnector]: Abstract Interpretation initialized
[2019-02-25 16:08:23,098 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:08:23" (1/1) ...
[2019-02-25 16:08:23,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2)
[2019-02-25 16:08:23,319 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.
[2019-02-25 16:08:29,234 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-02-25 16:08:29,258 INFO L272 AbstractInterpreter]: Visited 6 different actions 246 times. Merged at 4 different actions 192 times. Widened at 3 different actions 134 times. Performed 2156 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2156 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 0 variables.
[2019-02-25 16:08:29,261 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-02-25 16:08:29,267 INFO L168 Benchmark]: Toolchain (without parser) took 6586.56 ms. Allocated memory was 137.9 MB in the beginning and 839.9 MB in the end (delta: 702.0 MB). Free memory was 105.1 MB in the beginning and 676.6 MB in the end (delta: -571.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB.
[2019-02-25 16:08:29,272 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-02-25 16:08:29,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 137.9 MB. Free memory was 104.9 MB in the beginning and 103.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB.
[2019-02-25 16:08:29,279 INFO L168 Benchmark]: Boogie Preprocessor took 26.65 ms. Allocated memory is still 137.9 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB.
[2019-02-25 16:08:29,281 INFO L168 Benchmark]: RCFGBuilder took 354.34 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 90.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB.
[2019-02-25 16:08:29,282 INFO L168 Benchmark]: Abstract Interpretation took 6164.81 ms. Allocated memory was 137.9 MB in the beginning and 839.9 MB in the end (delta: 702.0 MB). Free memory was 90.0 MB in the beginning and 676.6 MB in the end (delta: -586.6 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB.
[2019-02-25 16:08:29,293 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 0.23 ms. Allocated memory is still 137.9 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 137.9 MB. Free memory was 104.9 MB in the beginning and 103.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 26.65 ms. Allocated memory is still 137.9 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 354.34 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 90.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 6164.81 ms. Allocated memory was 137.9 MB in the beginning and 839.9 MB in the end (delta: 702.0 MB). Free memory was 90.0 MB in the beginning and 676.6 MB in the end (delta: -586.6 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 102]: 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 % 2 != 0 then main_#t~nondet3 % 4294967296 / 2 + 1 else main_#t~nondet3 % 4294967296 / 2) + 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;
[L102] assert false;
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...