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/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-0ed9222-m
[2019-01-11 15:08:39,081 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2019-01-11 15:08:39,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-01-11 15:08:39,094 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-01-11 15:08:39,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-01-11 15:08:39,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-01-11 15:08:39,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-01-11 15:08:39,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-01-11 15:08:39,101 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-01-11 15:08:39,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-01-11 15:08:39,102 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-01-11 15:08:39,103 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-01-11 15:08:39,104 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-01-11 15:08:39,105 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-01-11 15:08:39,106 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-01-11 15:08:39,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-01-11 15:08:39,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-01-11 15:08:39,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-01-11 15:08:39,112 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-01-11 15:08:39,113 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-01-11 15:08:39,115 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-01-11 15:08:39,116 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-01-11 15:08:39,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-01-11 15:08:39,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-01-11 15:08:39,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-01-11 15:08:39,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-01-11 15:08:39,121 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-01-11 15:08:39,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-01-11 15:08:39,123 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-01-11 15:08:39,124 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-01-11 15:08:39,125 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2019-01-11 15:08:39,125 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-01-11 15:08:39,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-01-11 15:08:39,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
[2019-01-11 15:08:39,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-01-11 15:08:39,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2019-01-11 15:08:39,128 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
[2019-01-11 15:08:39,141 INFO L110 SettingsManager]: Loading preferences was successful
[2019-01-11 15:08:39,141 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2019-01-11 15:08:39,142 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2019-01-11 15:08:39,142 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2019-01-11 15:08:39,142 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-01-11 15:08:39,142 INFO L133 SettingsManager]: * User list type=DISABLED
[2019-01-11 15:08:39,143 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true
[2019-01-11 15:08:39,143 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-01-11 15:08:39,143 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2019-01-11 15:08:39,143 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain
[2019-01-11 15:08:39,143 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2019-01-11 15:08:39,144 INFO L133 SettingsManager]: * Interval Domain=false
[2019-01-11 15:08:39,144 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-01-11 15:08:39,144 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2019-01-11 15:08:39,145 INFO L133 SettingsManager]: * Use SBE=true
[2019-01-11 15:08:39,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-01-11 15:08:39,145 INFO L133 SettingsManager]: * sizeof long=4
[2019-01-11 15:08:39,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2019-01-11 15:08:39,145 INFO L133 SettingsManager]: * sizeof POINTER=4
[2019-01-11 15:08:39,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2019-01-11 15:08:39,146 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-01-11 15:08:39,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-01-11 15:08:39,146 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-01-11 15:08:39,146 INFO L133 SettingsManager]: * sizeof long double=12
[2019-01-11 15:08:39,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2019-01-11 15:08:39,147 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-01-11 15:08:39,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-01-11 15:08:39,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-01-11 15:08:39,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2019-01-11 15:08:39,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000
[2019-01-11 15:08:39,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-01-11 15:08:39,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-01-11 15:08:39,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-01-11 15:08:39,149 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-01-11 15:08:39,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-01-11 15:08:39,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in
[2019-01-11 15:08:39,149 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-01-11 15:08:39,149 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-01-11 15:08:39,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-01-11 15:08:39,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-01-11 15:08:39,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-01-11 15:08:39,209 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-01-11 15:08:39,210 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2019-01-11 15:08:39,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl
[2019-01-11 15:08:39,211 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl'
[2019-01-11 15:08:39,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-01-11 15:08:39,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-01-11 15:08:39,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-01-11 15:08:39,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-01-11 15:08:39,247 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2019-01-11 15:08:39,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,285 WARN L165 Inliner]: Program contained no entry procedure!
[2019-01-11 15:08:39,285 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start]
[2019-01-11 15:08:39,285 WARN L175 Inliner]: Fallback enabled. All procedures will be processed.
[2019-01-11 15:08:39,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-01-11 15:08:39,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-01-11 15:08:39,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-01-11 15:08:39,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2019-01-11 15:08:39,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-01-11 15:08:39,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-01-11 15:08:39,316 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-01-11 15:08:39,316 INFO L276 PluginConnector]: RCFGBuilder initialized
[2019-01-11 15:08:39,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:39" (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:8192 -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:8192 -smt2 -in -t:2000
[2019-01-11 15:08:39,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-01-11 15:08:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-01-11 15:08:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-01-11 15:08:39,622 INFO L278 CfgBuilder]: Using library mode
[2019-01-11 15:08:39,622 INFO L286 CfgBuilder]: Removed 1 assue(true) statements.
[2019-01-11 15:08:39,624 INFO L202 PluginConnector]: Adding new model Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:08:39 BoogieIcfgContainer
[2019-01-11 15:08:39,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-01-11 15:08:39,625 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-01-11 15:08:39,625 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-01-11 15:08:39,626 INFO L276 PluginConnector]: Abstract Interpretation initialized
[2019-01-11 15:08:39,627 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:08:39" (1/1) ...
[2019-01-11 15:08:39,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2)
[2019-01-11 15:08:39,769 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-01-11 15:08:39,789 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 9 root evaluator evaluations with a maximum evaluation depth of 2. Performed 9 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 2 fixpoints after 2 different actions. Largest state had 0 variables.
[2019-01-11 15:08:39,790 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-01-11 15:08:39,791 INFO L168 Benchmark]: Toolchain (without parser) took 546.54 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 90.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:39,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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.
[2019-01-11 15:08:39,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.16 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.
[2019-01-11 15:08:39,795 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 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.
[2019-01-11 15:08:39,797 INFO L168 Benchmark]: RCFGBuilder took 308.83 ms. Allocated memory is still 133.7 MB. Free memory was 105.8 MB in the beginning and 97.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:39,798 INFO L168 Benchmark]: Abstract Interpretation took 165.49 ms. Allocated memory is still 133.7 MB. Free memory was 97.4 MB in the beginning and 90.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:39,803 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 0.20 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 41.16 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 26.75 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 308.83 ms. Allocated memory is still 133.7 MB. Free memory was 105.8 MB in the beginning and 97.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 165.49 ms. Allocated memory is still 133.7 MB. Free memory was 97.4 MB in the beginning and 90.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 27]: Unable to prove that assertion always holds
Unable to prove that assertion always holds
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L16] assume x > y;
[L18] a[x] := 0;
[L19] a[y] := 1000;
[L26] COND TRUE a[x] == 1000
[L27] assert a[y] <= 0;
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...