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_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 18:57:41,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 18:57:41,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 18:57:41,211 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 18:57:41,211 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 18:57:41,212 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 18:57:41,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 18:57:41,213 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 18:57:41,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 18:57:41,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 18:57:41,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 18:57:41,217 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 18:57:41,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 18:57:41,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 18:57:41,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 18:57:41,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 18:57:41,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 18:57:41,226 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 18:57:41,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 18:57:41,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 18:57:41,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 18:57:41,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 18:57:41,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 18:57:41,238 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_mostprecise.epf [2018-01-24 18:57:41,248 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 18:57:41,248 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 18:57:41,249 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 18:57:41,249 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 18:57:41,249 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 18:57:41,249 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 18:57:41,250 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 18:57:41,250 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 18:57:41,250 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 18:57:41,251 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 18:57:41,251 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 18:57:41,251 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 18:57:41,251 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 18:57:41,251 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 18:57:41,252 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 18:57:41,252 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 18:57:41,252 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 18:57:41,252 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 18:57:41,252 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 18:57:41,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 18:57:41,253 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 18:57:41,253 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 18:57:41,253 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 18:57:41,253 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 18:57:41,253 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 18:57:41,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 18:57:41,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 18:57:41,254 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 18:57:41,254 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 18:57:41,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 18:57:41,255 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 18:57:41,255 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 18:57:41,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 18:57:41,255 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 18:57:41,256 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 18:57:41,256 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 18:57:41,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 18:57:41,304 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 18:57:41,309 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 18:57:41,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 18:57:41,311 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 18:57:41,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c [2018-01-24 18:57:41,454 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 18:57:41,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 18:57:41,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 18:57:41,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 18:57:41,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 18:57:41,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d10e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41, skipping insertion in model container [2018-01-24 18:57:41,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,490 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 18:57:41,503 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 18:57:41,618 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 18:57:41,633 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 18:57:41,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41 WrapperNode [2018-01-24 18:57:41,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 18:57:41,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 18:57:41,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 18:57:41,641 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 18:57:41,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 18:57:41,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 18:57:41,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 18:57:41,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 18:57:41,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:57:41" (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 18:57:41,720 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 18:57:41,720 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 18:57:41,720 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-24 18:57:41,720 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 18:57:41,720 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 18:57:41,720 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 18:57:41,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 18:57:41,908 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 18:57:41,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 06:57:41 BoogieIcfgContainer [2018-01-24 18:57:41,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 18:57:41,909 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 18:57:41,909 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 18:57:41,909 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 18:57:41,910 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 06:57:41" (1/1) ... [2018-01-24 18:57:41,963 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 18:57:49,467 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 18:57:49,485 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 18:57:49,491 INFO L268 AbstractInterpreter]: Visited 52 different actions 243 times. Merged at 38 different actions 137 times. Never widened. Found 12 fixpoints after 7 different actions. Largest state had 21 variables. [2018-01-24 18:57:49,494 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 18:57:49,495 INFO L168 Benchmark]: Toolchain (without parser) took 8040.17 ms. Allocated memory was 306.2 MB in the beginning and 810.5 MB in the end (delta: 504.4 MB). Free memory was 267.2 MB in the beginning and 300.0 MB in the end (delta: -32.8 MB). Peak memory consumption was 471.6 MB. Max. memory is 5.3 GB. [2018-01-24 18:57:49,496 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 18:57:49,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.10 ms. Allocated memory is still 306.2 MB. Free memory was 266.2 MB in the beginning and 258.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-24 18:57:49,497 INFO L168 Benchmark]: Boogie Preprocessor took 31.32 ms. Allocated memory is still 306.2 MB. Free memory was 258.2 MB in the beginning and 256.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-24 18:57:49,497 INFO L168 Benchmark]: RCFGBuilder took 236.28 ms. Allocated memory is still 306.2 MB. Free memory was 256.1 MB in the beginning and 241.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-01-24 18:57:49,497 INFO L168 Benchmark]: Abstract Interpretation took 7585.20 ms. Allocated memory was 306.2 MB in the beginning and 810.5 MB in the end (delta: 504.4 MB). Free memory was 240.5 MB in the beginning and 300.0 MB in the end (delta: -59.5 MB). Peak memory consumption was 444.9 MB. Max. memory is 5.3 GB. [2018-01-24 18:57:49,499 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 178.10 ms. Allocated memory is still 306.2 MB. Free memory was 266.2 MB in the beginning and 258.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.32 ms. Allocated memory is still 306.2 MB. Free memory was 258.2 MB in the beginning and 256.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 236.28 ms. Allocated memory is still 306.2 MB. Free memory was 256.1 MB in the beginning and 241.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 7585.20 ms. Allocated memory was 306.2 MB in the beginning and 810.5 MB in the end (delta: 504.4 MB). Free memory was 240.5 MB in the beginning and 300.0 MB in the end (delta: -59.5 MB). Peak memory consumption was 444.9 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 : 345 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) : 0.613394 RENAME_VARIABLES(MILLISECONDS) : 0.213630 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.575904 PROJECTAWAY(MILLISECONDS) : 0.189992 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.087781 DISJOIN(MILLISECONDS) : 0.372857 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.238200 ADD_EQUALITY(MILLISECONDS) : 0.027184 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.028021 #CONJOIN_DISJUNCTIVE : 364 #RENAME_VARIABLES : 825 #UNFREEZE : 0 #CONJOIN : 523 #PROJECTAWAY : 526 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 99 #RENAME_VARIABLES_DISJUNCTIVE : 820 #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[33]; [L16] int i; [L17] i = 0 [L17] COND TRUE i <= size + 1 [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[33]; [L16] int i; [L17] i = 0 [L17] COND TRUE i <= size + 1 [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[33]; [L16] int i; [L17] i = 0 [L17] COND FALSE !(i <= size + 1) [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_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_18-57-49-510.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_18-57-49-510.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_18-57-49-510.csv Received shutdown request...