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 [2018-01-23 15:00:18,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 15:00:18,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 15:00:18,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 15:00:18,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 15:00:18,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 15:00:18,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [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 [2018-01-23 15:00:18,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [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 [2018-01-23 15:00:18,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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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...