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_smtcomp.epf -i ../../../trunk/examples/svcomp/array-memsafety/selectionsort_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 21:52:39,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 21:52:39,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 21:52:39,557 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 21:52:39,557 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 21:52:39,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 21:52:39,560 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 21:52:39,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 21:52:39,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 21:52:39,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 21:52:39,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 21:52:39,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 21:52:39,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 21:52:39,566 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 21:52:39,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 21:52:39,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 21:52:39,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 21:52:39,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 21:52:39,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 21:52:39,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 21:52:39,578 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 21:52:39,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 21:52:39,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 21:52:39,584 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_smtcomp.epf [2018-01-23 21:52:39,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 21:52:39,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 21:52:39,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 21:52:39,594 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 21:52:39,595 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 21:52:39,595 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 21:52:39,595 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-23 21:52:39,595 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 21:52:39,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 21:52:39,596 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 21:52:39,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 21:52:39,596 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 21:52:39,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 21:52:39,597 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 21:52:39,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 21:52:39,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 21:52:39,597 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 21:52:39,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 21:52:39,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 21:52:39,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 21:52:39,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 21:52:39,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 21:52:39,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 21:52:39,599 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 21:52:39,599 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 21:52:39,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 21:52:39,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 21:52:39,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 21:52:39,600 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 21:52:39,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 21:52:39,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 21:52:39,600 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 21:52:39,601 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 21:52:39,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 21:52:39,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 21:52:39,601 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 21:52:39,602 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 21:52:39,602 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 21:52:39,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 21:52:39,650 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 21:52:39,654 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 21:52:39,655 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 21:52:39,656 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 21:52:39,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/selectionsort_unsafe_false-valid-deref.i [2018-01-23 21:52:39,757 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 21:52:39,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 21:52:39,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 21:52:39,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 21:52:39,768 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 21:52:39,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b199dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39, skipping insertion in model container [2018-01-23 21:52:39,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,784 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 21:52:39,800 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 21:52:39,901 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 21:52:39,916 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 21:52:39,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39 WrapperNode [2018-01-23 21:52:39,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 21:52:39,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 21:52:39,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 21:52:39,922 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 21:52:39,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (1/1) ... [2018-01-23 21:52:39,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 21:52:39,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 21:52:39,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 21:52:39,962 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 21:52:39,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:52:39" (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 21:52:40,022 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 21:52:40,023 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 21:52:40,023 INFO L136 BoogieDeclarations]: Found implementation of procedure SelectionSort [2018-01-23 21:52:40,023 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 21:52:40,023 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 21:52:40,023 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 21:52:40,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 21:52:40,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 21:52:40,024 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 21:52:40,024 INFO L128 BoogieDeclarations]: Found specification of procedure SelectionSort [2018-01-23 21:52:40,024 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 21:52:40,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 21:52:40,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 21:52:40,210 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 21:52:40,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 09:52:40 BoogieIcfgContainer [2018-01-23 21:52:40,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 21:52:40,211 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 21:52:40,211 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 21:52:40,212 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 21:52:40,212 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 09:52:40" (1/1) ... [2018-01-23 21:52:40,255 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 21:52:42,755 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 21:52:42,763 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:52:42,766 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:52:42,766 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:52:42,766 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:52:42,766 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:52:42,769 INFO L268 AbstractInterpreter]: Visited 38 different actions 138 times. Merged at 19 different actions 73 times. Widened at 1 different actions 2 times. Found 15 fixpoints after 8 different actions. Largest state had 26 variables. [2018-01-23 21:52:42,772 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 21:52:42,773 INFO L168 Benchmark]: Toolchain (without parser) took 3015.55 ms. Allocated memory was 304.1 MB in the beginning and 465.6 MB in the end (delta: 161.5 MB). Free memory was 265.0 MB in the beginning and 256.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 170.5 MB. Max. memory is 5.3 GB. [2018-01-23 21:52:42,773 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 304.1 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 21:52:42,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.67 ms. Allocated memory is still 304.1 MB. Free memory was 265.0 MB in the beginning and 256.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 5.3 GB. [2018-01-23 21:52:42,774 INFO L168 Benchmark]: Boogie Preprocessor took 39.89 ms. Allocated memory is still 304.1 MB. Free memory was 256.7 MB in the beginning and 254.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 21:52:42,774 INFO L168 Benchmark]: RCFGBuilder took 248.98 ms. Allocated memory is still 304.1 MB. Free memory was 254.7 MB in the beginning and 239.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 5.3 GB. [2018-01-23 21:52:42,774 INFO L168 Benchmark]: Abstract Interpretation took 2560.45 ms. Allocated memory was 304.1 MB in the beginning and 465.6 MB in the end (delta: 161.5 MB). Free memory was 239.6 MB in the beginning and 256.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 145.1 MB. Max. memory is 5.3 GB. [2018-01-23 21:52:42,775 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 304.1 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 158.67 ms. Allocated memory is still 304.1 MB. Free memory was 265.0 MB in the beginning and 256.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.89 ms. Allocated memory is still 304.1 MB. Free memory was 256.7 MB in the beginning and 254.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 248.98 ms. Allocated memory is still 304.1 MB. Free memory was 254.7 MB in the beginning and 239.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2560.45 ms. Allocated memory was 304.1 MB in the beginning and 465.6 MB in the end (delta: 161.5 MB). Free memory was 239.6 MB in the beginning and 256.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 145.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 31 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 172 LocStat_NO_SUPPORTING_DISEQUALITIES : 2 LocStat_NO_DISJUNCTIONS : -62 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 44 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 40 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 40 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.006040 RENAME_VARIABLES(MILLISECONDS) : 0.321161 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001243 PROJECTAWAY(MILLISECONDS) : 0.182381 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.181963 DISJOIN(MILLISECONDS) : 0.282270 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.336951 ADD_EQUALITY(MILLISECONDS) : 0.060542 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.024131 #CONJOIN_DISJUNCTIVE : 245 #RENAME_VARIABLES : 469 #UNFREEZE : 0 #CONJOIN : 261 #PROJECTAWAY : 279 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 30 #RENAME_VARIABLES_DISJUNCTIVE : 503 #ADD_EQUALITY : 42 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 2 - 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: [L20] int *a; [L21] int array_size = __VERIFIER_nondet_int(); [L22] CALL SelectionSort(a, array_size) [L4] int i; [L5] i = 0 [L5] COND FALSE, RET !(i < array_size - 1) [L22] SelectionSort(a, array_size) [L23] return 0; - PositiveResult [Line: 2]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 19]: 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) - 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/selectionsort_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_21-52-42-784.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_21-52-42-784.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_21-52-42-784.csv Received shutdown request...