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/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:22:45,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:22:45,353 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:22:45,368 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:22:45,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:22:45,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:22:45,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:22:45,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:22:45,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:22:45,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:22:45,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:22:45,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:22:45,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:22:45,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:22:45,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:22:45,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:22:45,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:22:45,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:22:45,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:22:45,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:22:45,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:22:45,395 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf [2018-01-24 16:22:45,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:22:45,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:22:45,406 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:22:45,406 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:22:45,406 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:22:45,407 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:22:45,407 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:22:45,407 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:22:45,408 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:22:45,408 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:22:45,408 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:22:45,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:22:45,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:22:45,409 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:22:45,409 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:22:45,409 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:22:45,409 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:22:45,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:22:45,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:22:45,410 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:22:45,410 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:22:45,410 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:22:45,410 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:22:45,411 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:22:45,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:22:45,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:22:45,411 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:22:45,411 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:22:45,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:22:45,412 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:22:45,412 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:22:45,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:22:45,412 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:22:45,413 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:22:45,413 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:22:45,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:22:45,463 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:22:45,467 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:22:45,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:22:45,469 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:22:45,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i [2018-01-24 16:22:45,647 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:22:45,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:22:45,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:22:45,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:22:45,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:22:45,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277e5d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45, skipping insertion in model container [2018-01-24 16:22:45,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,682 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:22:45,723 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:22:45,848 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:22:45,864 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:22:45,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45 WrapperNode [2018-01-24 16:22:45,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:22:45,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:22:45,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:22:45,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:22:45,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (1/1) ... [2018-01-24 16:22:45,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:22:45,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:22:45,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:22:45,904 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:22:45,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:22:45" (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 [2018-01-24 16:22:45,955 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:22:45,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:22:45,956 INFO L136 BoogieDeclarations]: Found implementation of procedure SelectionSort [2018-01-24 16:22:45,956 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:22:45,956 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:22:45,956 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:22:45,957 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:22:45,957 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:22:45,957 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:22:45,957 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:22:45,957 INFO L128 BoogieDeclarations]: Found specification of procedure SelectionSort [2018-01-24 16:22:45,958 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:22:45,958 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:22:45,958 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:22:46,189 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:22:46,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:22:46 BoogieIcfgContainer [2018-01-24 16:22:46,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:22:46,191 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:22:46,191 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:22:46,191 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:22:46,192 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:22:46" (1/1) ... [2018-01-24 16:22:46,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:22:47,697 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:22:47,718 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:22:47,723 INFO L268 AbstractInterpreter]: Visited 53 different actions 347 times. Merged at 34 different actions 167 times. Never widened. Found 39 fixpoints after 13 different actions. Largest state had 26 variables. [2018-01-24 16:22:47,724 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:22:47,725 INFO L168 Benchmark]: Toolchain (without parser) took 2077.09 ms. Allocated memory was 302.0 MB in the beginning and 385.9 MB in the end (delta: 83.9 MB). Free memory was 262.1 MB in the beginning and 275.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 71.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:47,726 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:22:47,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.40 ms. Allocated memory is still 302.0 MB. Free memory was 261.1 MB in the beginning and 250.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:47,726 INFO L168 Benchmark]: Boogie Preprocessor took 30.90 ms. Allocated memory is still 302.0 MB. Free memory was 250.8 MB in the beginning and 249.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 16:22:47,726 INFO L168 Benchmark]: RCFGBuilder took 286.93 ms. Allocated memory is still 302.0 MB. Free memory was 248.8 MB in the beginning and 232.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:47,727 INFO L168 Benchmark]: Abstract Interpretation took 1533.73 ms. Allocated memory was 302.0 MB in the beginning and 385.9 MB in the end (delta: 83.9 MB). Free memory was 232.1 MB in the beginning and 275.0 MB in the end (delta: -42.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:47,728 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 217.40 ms. Allocated memory is still 302.0 MB. Free memory was 261.1 MB in the beginning and 250.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.90 ms. Allocated memory is still 302.0 MB. Free memory was 250.8 MB in the beginning and 249.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 286.93 ms. Allocated memory is still 302.0 MB. Free memory was 248.8 MB in the beginning and 232.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 1533.73 ms. Allocated memory was 302.0 MB in the beginning and 385.9 MB in the end (delta: 83.9 MB). Free memory was 232.1 MB in the beginning and 275.0 MB in the end (delta: -42.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 41 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 315 LocStat_NO_SUPPORTING_DISEQUALITIES : 35 LocStat_NO_DISJUNCTIONS : -82 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 59 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 71 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 63 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.247511 RENAME_VARIABLES(MILLISECONDS) : 0.282516 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.219052 PROJECTAWAY(MILLISECONDS) : 0.157784 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001508 DISJOIN(MILLISECONDS) : 0.136043 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.313219 ADD_EQUALITY(MILLISECONDS) : 0.051677 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.039886 #CONJOIN_DISJUNCTIVE : 572 #RENAME_VARIABLES : 1230 #UNFREEZE : 0 #CONJOIN : 741 #PROJECTAWAY : 655 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 121 #RENAME_VARIABLES_DISJUNCTIVE : 1162 #ADD_EQUALITY : 73 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 8 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND TRUE i < array_size - 1 [L545] int j, min, temp; [L546] min = i [L547] j = i+1 [L547] COND FALSE !(j < array_size) [L552] FCALL a[i] - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND TRUE i < array_size - 1 [L545] int j, min, temp; [L546] min = i [L547] j = i+1 [L547] COND TRUE j < array_size [L549] FCALL a[j] - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND TRUE i < array_size - 1 [L545] int j, min, temp; [L546] min = i [L547] j = i+1 [L547] COND TRUE j < array_size [L549] FCALL a[j] [L549] FCALL a[min] - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND TRUE i < array_size - 1 [L545] int j, min, temp; [L546] min = i [L547] j = i+1 [L547] COND FALSE !(j < array_size) [L552] EXPR, FCALL a[i] [L552] temp = a[i] [L553] FCALL a[min] - UnprovableResult [Line: 557]: 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: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND FALSE, RET !(i < array_size - 1) [L563] SelectionSort(numbers, array_size) [L564] return 0; - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND TRUE i < array_size - 1 [L545] int j, min, temp; [L546] min = i [L547] j = i+1 [L547] COND FALSE !(j < array_size) [L552] EXPR, FCALL a[i] [L552] temp = a[i] [L553] EXPR, FCALL a[min] [L553] FCALL a[i] = a[min] - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L558] int array_size = __VERIFIER_nondet_int(); [L559] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L562] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L562] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L563] CALL SelectionSort(numbers, array_size) [L542] int i; [L543] i = 0 [L543] COND TRUE i < array_size - 1 [L545] int j, min, temp; [L546] min = i [L547] j = i+1 [L547] COND FALSE !(j < array_size) [L552] EXPR, FCALL a[i] [L552] temp = a[i] [L553] EXPR, FCALL a[min] [L553] FCALL a[i] = a[min] [L554] FCALL a[min] = temp - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds 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) 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-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-22-47-736.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-22-47-736.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-22-47-736.csv Received shutdown request...