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_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-c30ebe1
[2018-12-17 14:42:36,403 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-12-17 14:42:36,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-12-17 14:42:36,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2018-12-17 14:42:36,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2018-12-17 14:42:36,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-17 14:42:36,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-17 14:42:36,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-17 14:42:36,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-17 14:42:36,446 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-17 14:42:36,447 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-17 14:42:36,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2018-12-17 14:42:36,452 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-17 14:42:36,453 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-17 14:42:36,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-17 14:42:36,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2018-12-17 14:42:36,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-12-17 14:42:36,461 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
[2018-12-17 14:42:36,485 INFO L110 SettingsManager]: Loading preferences was successful
[2018-12-17 14:42:36,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-17 14:42:36,490 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2018-12-17 14:42:36,490 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2018-12-17 14:42:36,491 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * User list type=DISABLED
[2018-12-17 14:42:36,492 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * Explicit value domain=true
[2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * Octagon Domain=false
[2018-12-17 14:42:36,495 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain
[2018-12-17 14:42:36,495 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2018-12-17 14:42:36,495 INFO L133 SettingsManager]: * Interval Domain=false
[2018-12-17 14:42:36,496 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-17 14:42:36,496 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * Use SBE=true
[2018-12-17 14:42:36,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * sizeof long=4
[2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2018-12-17 14:42:36,499 INFO L133 SettingsManager]: * sizeof long double=12
[2018-12-17 14:42:36,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-12-17 14:42:36,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2018-12-17 14:42:36,499 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-17 14:42:36,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-12-17 14:42:36,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-12-17 14:42:36,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-12-17 14:42:36,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-17 14:42:36,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-12-17 14:42:36,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-12-17 14:42:36,503 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2018-12-17 14:42:36,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-17 14:42:36,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-17 14:42:36,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-17 14:42:36,551 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-12-17 14:42:36,552 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2018-12-17 14:42:36,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl
[2018-12-17 14:42:36,553 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl'
[2018-12-17 14:42:36,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-17 14:42:36,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-12-17 14:42:36,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-17 14:42:36,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-17 14:42:36,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-17 14:42:36,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,623 WARN L165 Inliner]: Program contained no entry procedure!
[2018-12-17 14:42:36,624 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start]
[2018-12-17 14:42:36,624 WARN L175 Inliner]: Fallback enabled. All procedures will be processed.
[2018-12-17 14:42:36,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-17 14:42:36,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-17 14:42:36,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-17 14:42:36,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-12-17 14:42:36,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ...
[2018-12-17 14:42:36,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-17 14:42:36,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-17 14:42:36,651 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-12-17 14:42:36,651 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-12-17 14:42:36,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (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
[2018-12-17 14:42:36,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2018-12-17 14:42:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2018-12-17 14:42:36,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2018-12-17 14:42:37,053 INFO L272 CfgBuilder]: Using library mode
[2018-12-17 14:42:37,053 INFO L280 CfgBuilder]: Removed 0 assue(true) statements.
[2018-12-17 14:42:37,054 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:42:37 BoogieIcfgContainer
[2018-12-17 14:42:37,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-17 14:42:37,054 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2018-12-17 14:42:37,055 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2018-12-17 14:42:37,055 INFO L276 PluginConnector]: Abstract Interpretation initialized
[2018-12-17 14:42:37,056 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:42:37" (1/1) ...
[2018-12-17 14:42:37,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)
[2018-12-17 14:42:41,161 FATAL L210 ngHoareTripleChecker]: Soundness check failed for the following hoare triple
[2018-12-17 14:42:41,161 FATAL L212 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN
[2018-12-17 14:42:41,162 FATAL L214 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3"
[2018-12-17 14:42:41,163 FATAL L218 ngHoareTripleChecker]: --
[2018-12-17 14:42:41,164 FATAL L219 ngHoareTripleChecker]: Pre: {2147483633#(or (and (= c_j 0) (= c_i 0)) (and (= c_j 0) (not (= c_n 0)) (not (= c_i 0))))}
[2018-12-17 14:42:41,167 FATAL L223 ngHoareTripleChecker]: Action: assume i < n;a := a[i := 0];i := i + 1;
[2018-12-17 14:42:41,169 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_i_primed (+ c_i 1)) (= c_a_primed (store c_a c_i 0)) (< c_i c_n))
[2018-12-17 14:42:41,169 FATAL L225 ngHoareTripleChecker]: Post: {2147483632#(exists ((v_b_14_1 Int) (v_b_13_1 Int) (v_v_145_1 Int)) (and (forall ((v_idx_26 Int) (v_idx_27 Int) (v_idx_28 Int)) (or (<= v_b_14_1 v_idx_27) (= (select c_a v_idx_27) 0) (<= v_b_13_1 v_idx_26) (< v_idx_27 v_b_13_1) (< v_idx_28 v_b_14_1))) (= v_v_145_1 0) (= c_j 0) (not (= c_n 0)) (not (= v_b_13_1 0))))}
[2018-12-17 14:42:41,173 FATAL L263 ngHoareTripleChecker]: --
[2018-12-17 14:42:41,174 FATAL L264 ngHoareTripleChecker]: Simplified triple
[2018-12-17 14:42:41,326 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11
[2018-12-17 14:42:41,327 FATAL L265 ngHoareTripleChecker]: Pre: {2147483633#(or (and (= j 0) (= i 0)) (and (= j 0) (not (= n 0))))}
[2018-12-17 14:42:41,327 FATAL L269 ngHoareTripleChecker]: Action: assume i < n;a := a[i := 0];i := i + 1;
[2018-12-17 14:42:41,328 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_i_primed (+ c_i 1)) (= c_a_primed (store c_a c_i 0)) (< c_i c_n))
[2018-12-17 14:42:41,656 FATAL L271 ngHoareTripleChecker]: Post: {2147483632#(and (= j 0) (not (= n 0)) (exists ((v_b_14_1 Int) (v_b_13_1 Int)) (and (forall ((v_idx_27 Int)) (or (<= v_b_14_1 v_idx_27) (= (select a v_idx_27) 0) (< v_idx_27 v_b_13_1))) (not (= v_b_13_1 0)))))}
[2018-12-17 14:42:43,927 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2018-12-17 14:42:43,944 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 5 different actions 15 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables.
[2018-12-17 14:42:43,946 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2018-12-17 14:42:43,948 INFO L168 Benchmark]: Toolchain (without parser) took 7362.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 7.1 GB.
[2018-12-17 14:42:43,950 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-12-17 14:42:43,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-12-17 14:42:43,953 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-12-17 14:42:43,953 INFO L168 Benchmark]: RCFGBuilder took 403.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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.
[2018-12-17 14:42:43,955 INFO L168 Benchmark]: Abstract Interpretation took 6892.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB.
[2018-12-17 14:42:43,959 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 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Preprocessor took 23.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
* RCFGBuilder took 403.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 6892.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 34]: Unable to prove that assertion always holds
Unable to prove that assertion always holds
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L26] i := 0;
[L27] assume j == i;
[L29] COND FALSE !(i < n)
[L33] assume 0 <= r && r < n;
[L34] assert a[r] == 0;
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...