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.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 14:39:16,428 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 14:39:16,430 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 14:39:16,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 14:39:16,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 14:39:16,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 14:39:16,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 14:39:16,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 14:39:16,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 14:39:16,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 14:39:16,454 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 14:39:16,455 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 14:39:16,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 14:39:16,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 14:39:16,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 14:39:16,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 14:39:16,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 14:39:16,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 14:39:16,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 14:39:16,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 14:39:16,470 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 14:39:16,476 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.epf [2018-01-24 14:39:16,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 14:39:16,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 14:39:16,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 14:39:16,486 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 14:39:16,486 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 14:39:16,486 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 14:39:16,486 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 14:39:16,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 14:39:16,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 14:39:16,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 14:39:16,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 14:39:16,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 14:39:16,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 14:39:16,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 14:39:16,488 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 14:39:16,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 14:39:16,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 14:39:16,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 14:39:16,489 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 14:39:16,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 14:39:16,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 14:39:16,490 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 14:39:16,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 14:39:16,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 14:39:16,490 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 14:39:16,491 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 14:39:16,491 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 14:39:16,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 14:39:16,532 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 14:39:16,536 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 14:39:16,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 14:39:16,537 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 14:39:16,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-01-24 14:39:16,648 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 14:39:16,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 14:39:16,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 14:39:16,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 14:39:16,663 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 14:39:16,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b06dc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16, skipping insertion in model container [2018-01-24 14:39:16,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,689 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:39:16,710 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:39:16,834 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:39:16,848 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:39:16,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16 WrapperNode [2018-01-24 14:39:16,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 14:39:16,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 14:39:16,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 14:39:16,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 14:39:16,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (1/1) ... [2018-01-24 14:39:16,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 14:39:16,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 14:39:16,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 14:39:16,891 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 14:39:16,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:39:16" (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 14:39:16,933 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 14:39:16,933 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 14:39:16,933 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-24 14:39:16,933 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 14:39:16,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 14:39:16,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 14:39:16,934 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 14:39:16,934 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 14:39:16,934 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 14:39:16,934 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-24 14:39:16,934 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 14:39:16,934 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 14:39:16,935 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 14:39:17,107 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 14:39:17,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:39:17 BoogieIcfgContainer [2018-01-24 14:39:17,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 14:39:17,108 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 14:39:17,108 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 14:39:17,109 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 14:39:17,109 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:39:17" (1/1) ... [2018-01-24 14:39:17,153 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 14:39:20,719 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 14:39:20,738 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 14:39:20,745 INFO L268 AbstractInterpreter]: Visited 52 different actions 240 times. Merged at 38 different actions 131 times. Never widened. Found 17 fixpoints after 7 different actions. Largest state had 21 variables. [2018-01-24 14:39:20,747 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 14:39:20,748 INFO L168 Benchmark]: Toolchain (without parser) took 4099.37 ms. Allocated memory was 297.3 MB in the beginning and 528.0 MB in the end (delta: 230.7 MB). Free memory was 258.3 MB in the beginning and 241.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 247.6 MB. Max. memory is 5.3 GB. [2018-01-24 14:39:20,749 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 297.3 MB. Free memory is still 263.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 14:39:20,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.35 ms. Allocated memory is still 297.3 MB. Free memory was 257.3 MB in the beginning and 249.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:39:20,750 INFO L168 Benchmark]: Boogie Preprocessor took 35.40 ms. Allocated memory is still 297.3 MB. Free memory was 249.3 MB in the beginning and 247.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-24 14:39:20,750 INFO L168 Benchmark]: RCFGBuilder took 217.47 ms. Allocated memory is still 297.3 MB. Free memory was 247.2 MB in the beginning and 232.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. [2018-01-24 14:39:20,751 INFO L168 Benchmark]: Abstract Interpretation took 3639.38 ms. Allocated memory was 297.3 MB in the beginning and 528.0 MB in the end (delta: 230.7 MB). Free memory was 232.5 MB in the beginning and 241.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 221.8 MB. Max. memory is 5.3 GB. [2018-01-24 14:39:20,753 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 297.3 MB. Free memory is still 263.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.35 ms. Allocated memory is still 297.3 MB. Free memory was 257.3 MB in the beginning and 249.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.40 ms. Allocated memory is still 297.3 MB. Free memory was 249.3 MB in the beginning and 247.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 217.47 ms. Allocated memory is still 297.3 MB. Free memory was 247.2 MB in the beginning and 232.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3639.38 ms. Allocated memory was 297.3 MB in the beginning and 528.0 MB in the end (delta: 230.7 MB). Free memory was 232.5 MB in the beginning and 241.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 221.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 44 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 330 LocStat_NO_SUPPORTING_DISEQUALITIES : 82 LocStat_NO_DISJUNCTIONS : -88 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 58 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 53 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.932418 RENAME_VARIABLES(MILLISECONDS) : 0.348139 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.887019 PROJECTAWAY(MILLISECONDS) : 0.199329 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.088286 DISJOIN(MILLISECONDS) : 0.459436 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.380082 ADD_EQUALITY(MILLISECONDS) : 0.051196 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.041233 #CONJOIN_DISJUNCTIVE : 354 #RENAME_VARIABLES : 805 #UNFREEZE : 0 #CONJOIN : 513 #PROJECTAWAY : 518 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 83 #RENAME_VARIABLES_DISJUNCTIVE : 800 #ADD_EQUALITY : 53 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 - UnprovableResult [Line: 27]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L24] int i, b[32]; [L25] FCALL char mask[32]; [L26] i = 0 [L26] COND TRUE i < sizeof(mask) [L27] b[i] - UnprovableResult [Line: 30]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L24] int i, b[32]; [L25] FCALL char mask[32]; [L26] i = 0 [L26] COND FALSE !(i < sizeof(mask)) [L29] i = 0 [L29] COND TRUE i < sizeof(mask) [L30] b[i] - UnprovableResult [Line: 18]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L24] int i, b[32]; [L25] FCALL char mask[32]; [L26] i = 0 [L26] COND TRUE i < sizeof(mask) [L27] b[i] [L27] CALL foo(mask, i) [L15] char a[32]; [L16] int i; [L17] i = 0 [L17] COND TRUE i <= size [L18] 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: [L24] int i, b[32]; [L25] FCALL char mask[32]; [L26] i = 0 [L26] COND TRUE i < sizeof(mask) [L27] b[i] [L27] CALL foo(mask, i) [L15] char a[32]; [L16] int i; [L17] i = 0 [L17] COND TRUE i <= size [L18] a[i] [L18] FCALL b[i] - UnprovableResult [Line: 23]: 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: [L24] int i, b[32]; [L25] FCALL char mask[32]; [L26] i = 0 [L26] COND TRUE i < sizeof(mask) [L27] EXPR b[i] [L27] CALL, EXPR foo(mask, i) [L15] char a[32]; [L16] int i; [L17] i = 0 [L17] COND FALSE !(i <= size) [L20] RET return i; [L27] EXPR foo(mask, i) [L27] b[i] = foo(mask, i) [L26] i++ [L26] COND FALSE !(i < sizeof(mask)) [L29] i = 0 [L29] COND FALSE !(i < sizeof(mask)) [L34] return 0; [L34] return 0; - 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/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_14-39-20-763.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_14-39-20-763.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_14-39-20-763.csv Received shutdown request...