java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/array-memsafety/add_last_unsafe_false-valid-deref.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.23-47db877
[2018-01-23 15:00:18,015 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-01-23 15:00:18,017 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-01-23 15:00:18,030 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-01-23 15:00:18,030 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-01-23 15:00:18,031 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-01-23 15:00:18,032 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-01-23 15:00:18,034 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-01-23 15:00:18,036 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2018-01-23 15:00:18,041 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-01-23 15:00:18,044 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
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[2018-01-23 15:00:18,047 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-01-23 15:00:18,048 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2018-01-23 15:00:18,051 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2018-01-23 15:00:18,057 INFO  L98         SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf
[2018-01-23 15:00:18,066 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-01-23 15:00:18,067 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-23 15:00:18,068 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-23 15:00:18,068 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-01-23 15:00:18,068 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-23 15:00:18,068 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-23 15:00:18,068 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-01-23 15:00:18,069 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-23 15:00:18,069 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-01-23 15:00:18,069 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-01-23 15:00:18,070 INFO  L133        SettingsManager]:  * Check allocation purity=true
[2018-01-23 15:00:18,070 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-01-23 15:00:18,070 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-01-23 15:00:18,070 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-01-23 15:00:18,070 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-01-23 15:00:18,071 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-23 15:00:18,071 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-01-23 15:00:18,071 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-01-23 15:00:18,071 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-01-23 15:00:18,071 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-01-23 15:00:18,072 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-23 15:00:18,072 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-01-23 15:00:18,072 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-01-23 15:00:18,072 INFO  L133        SettingsManager]:  * Add additional assume for each assert=false
[2018-01-23 15:00:18,072 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-01-23 15:00:18,073 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-23 15:00:18,073 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-23 15:00:18,073 INFO  L133        SettingsManager]:  * Interpolant automaton=TWOTRACK
[2018-01-23 15:00:18,073 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-01-23 15:00:18,073 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-23 15:00:18,074 INFO  L133        SettingsManager]:  * Stop after first violation was found=false
[2018-01-23 15:00:18,074 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-01-23 15:00:18,074 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-23 15:00:18,074 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-23 15:00:18,074 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-23 15:00:18,075 INFO  L131        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-23 15:00:18,075 INFO  L133        SettingsManager]:  * TransformationType=HEAP_SEPARATOR
[2018-01-23 15:00:18,109 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-23 15:00:18,121 INFO  L266   ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-23 15:00:18,125 INFO  L222   ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-23 15:00:18,126 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-01-23 15:00:18,127 INFO  L276        PluginConnector]: CDTParser initialized
[2018-01-23 15:00:18,127 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/add_last_unsafe_false-valid-deref.i
[2018-01-23 15:00:18,294 INFO  L304   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-23 15:00:18,299 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-01-23 15:00:18,300 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-23 15:00:18,300 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-23 15:00:18,306 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-23 15:00:18,307 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,309 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0715de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18, skipping insertion in model container
[2018-01-23 15:00:18,310 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,328 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-23 15:00:18,367 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-23 15:00:18,482 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-23 15:00:18,496 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-23 15:00:18,501 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18 WrapperNode
[2018-01-23 15:00:18,501 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-23 15:00:18,501 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-23 15:00:18,502 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-23 15:00:18,502 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-01-23 15:00:18,513 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,513 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,521 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,522 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,525 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,529 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,530 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,531 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-23 15:00:18,531 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-23 15:00:18,531 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-01-23 15:00:18,531 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-01-23 15:00:18,532 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:00:18" (1/1) ...
No working directory specified, using /storage/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
[2018-01-23 15:00:18,576 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-23 15:00:18,577 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-23 15:00:18,577 INFO  L136     BoogieDeclarations]: Found implementation of procedure main
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure write~int
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure read~int
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-01-23 15:00:18,577 INFO  L128     BoogieDeclarations]: Found specification of procedure main
[2018-01-23 15:00:18,578 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-23 15:00:18,578 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-23 15:00:18,733 INFO  L257             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-23 15:00:18,733 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:00:18 BoogieIcfgContainer
[2018-01-23 15:00:18,733 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-23 15:00:18,734 INFO  L113        PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2018-01-23 15:00:18,734 INFO  L271        PluginConnector]: Initializing Abstract Interpretation...
[2018-01-23 15:00:18,734 INFO  L276        PluginConnector]: Abstract Interpretation initialized
[2018-01-23 15:00:18,735 INFO  L185        PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:00:18" (1/1) ...
[2018-01-23 15:00:18,781 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2)
[2018-01-23 15:00:33,942 INFO  L259    AbstractInterpreter]: Some error location(s) were reachable
[2018-01-23 15:00:33,951 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-23 15:00:33,953 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-23 15:00:33,953 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-23 15:00:33,953 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-23 15:00:33,958 INFO  L268    AbstractInterpreter]: Visited 31 different actions 123 times. Merged at 20 different actions 75 times. Widened at 1 different actions 2 times. Found 6 fixpoints after 2 different actions. Largest state had 27 variables.
[2018-01-23 15:00:33,960 INFO  L132        PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2018-01-23 15:00:33,961 INFO  L168              Benchmark]: Toolchain (without parser) took 15666.18 ms. Allocated memory was 303.6 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 261.9 MB in the beginning and 431.2 MB in the end (delta: -169.4 MB). Peak memory consumption was 920.1 MB. Max. memory is 5.3 GB.
[2018-01-23 15:00:33,961 INFO  L168              Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 303.6 MB. Free memory is still 267.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-23 15:00:33,962 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 200.98 ms. Allocated memory is still 303.6 MB. Free memory was 260.9 MB in the beginning and 250.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
[2018-01-23 15:00:33,962 INFO  L168              Benchmark]: Boogie Preprocessor took 29.52 ms. Allocated memory is still 303.6 MB. Free memory was 250.9 MB in the beginning and 249.9 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB.
[2018-01-23 15:00:33,962 INFO  L168              Benchmark]: RCFGBuilder took 202.13 ms. Allocated memory is still 303.6 MB. Free memory was 249.9 MB in the beginning and 236.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB.
[2018-01-23 15:00:33,962 INFO  L168              Benchmark]: Abstract Interpretation took 15226.50 ms. Allocated memory was 303.6 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 236.0 MB in the beginning and 431.2 MB in the end (delta: -195.2 MB). Peak memory consumption was 894.3 MB. Max. memory is 5.3 GB.
[2018-01-23 15:00:33,963 INFO  L344   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13 ms. Allocated memory is still 303.6 MB. Free memory is still 267.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
 * CACSL2BoogieTranslator took 200.98 ms. Allocated memory is still 303.6 MB. Free memory was 260.9 MB in the beginning and 250.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
 * Boogie Preprocessor took 29.52 ms. Allocated memory is still 303.6 MB. Free memory was 250.9 MB in the beginning and 249.9 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB.
 * RCFGBuilder took 202.13 ms. Allocated memory is still 303.6 MB. Free memory was 249.9 MB in the beginning and 236.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB.
 * Abstract Interpretation took 15226.50 ms. Allocated memory was 303.6 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 236.0 MB in the beginning and 431.2 MB in the end (delta: -195.2 MB). Peak memory consumption was 894.3 MB. Max. memory is 5.3 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - StatisticsResult: ArrayEqualityDomainStatistics
    
#Locations                               :      26 
LocStat_MAX_WEQGRAPH_SIZE                :       3 
LocStat_MAX_SIZEOF_WEQEDGELABEL          :       3 
LocStat_NO_SUPPORTING_EQUALITIES         :     248 
LocStat_NO_SUPPORTING_DISEQUALITIES      :      37 
LocStat_NO_DISJUNCTIONS                  :     -52 
LocStat_MAX_NO_DISJUNCTIONS              :      -1 
#Transitions                             :      35 
TransStat_MAX_WEQGRAPH_SIZE              :       2 
TransStat_MAX_SIZEOF_WEQEDGELABEL        :       1 
TransStat_NO_SUPPORTING_EQUALITIES       :      45 
TransStat_NO_SUPPORTING_DISEQUALITIES    :       8 
TransStat_NO_DISJUNCTIONS                :      35 
TransStat_MAX_NO_DISJUNCTIONS            :       2 

  - StatisticsResult: EqConstraintFactoryStatistics
    
CONJOIN_DISJUNCTIVE(MILLISECONDS)        : 10.409285 
RENAME_VARIABLES(MILLISECONDS)           : 2.771054 
UNFREEZE(MILLISECONDS)                   : 0.000000 
CONJOIN(MILLISECONDS)                    : 10.347011 
PROJECTAWAY(MILLISECONDS)                : 0.105174 
ADD_WEAK_EQUALITY(MILLISECONDS)          : 0.083241 
DISJOIN(MILLISECONDS)                    : 1.762814 
RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.800226 
ADD_EQUALITY(MILLISECONDS)               : 0.076241 
DISJOIN_DISJUNCTIVE(MILLISECONDS)        : 0.000000 
ADD_DISEQUALITY(MILLISECONDS)            : 0.009645 
#CONJOIN_DISJUNCTIVE                     :     222 
#RENAME_VARIABLES                        :     447 
#UNFREEZE                                :       0 
#CONJOIN                                 :     276 
#PROJECTAWAY                             :     265 
#ADD_WEAK_EQUALITY                       :       6 
#DISJOIN                                 :      40 
#RENAME_VARIABLES_DISJUNCTIVE            :     458 
#ADD_EQUALITY                            :      44 
#DISJOIN_DISJUNCTIVE                     :       0 
#ADD_DISEQUALITY                         :       7 

  - UnprovableResult [Line: 1]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 

  - UnprovableResult [Line: 1]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L541]               int i, j;
[L542]               int length = __VERIFIER_nondet_int();
[L543]  COND TRUE    length < 1
[L543]               length = 1
[L544]  EXPR, FCALL  __builtin_alloca (length)
[L544]               int *arr = __builtin_alloca (length);
[L545]  COND FALSE   !(!arr)
[L546]               int *a = arr;
[L547]  EXPR, FCALL  \read(*a)
[L547]  EXPR, FCALL  arr + length - 1
[L547]  COND FALSE   !(*a != *(arr + length - 1))
[L551]               return 0;

  - PositiveResult [Line: 540]: all allocated memory was freed
    For all program executions holds that all allocated memory was freed at this location
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_15-00-33-970.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_15-00-33-970.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_15-00-33-970.csv
Received shutdown request...