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/memleaks_test17_1_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 14:41:35,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 14:41:35,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 14:41:35,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 14:41:35,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 14:41:35,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 14:41:35,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 14:41:35,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 14:41:35,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 14:41:35,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 14:41:35,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 14:41:35,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 14:41:35,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 14:41:35,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 14:41:35,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 14:41:35,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 14:41:35,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 14:41:35,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 14:41:35,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 14:41:35,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 14:41:35,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 14:41:35,847 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 14:41:35,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 14:41:35,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 14:41:35,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 14:41:35,858 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 14:41:35,858 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 14:41:35,858 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 14:41:35,858 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 14:41:35,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 14:41:35,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 14:41:35,859 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 14:41:35,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 14:41:35,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 14:41:35,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 14:41:35,860 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 14:41:35,860 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 14:41:35,860 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 14:41:35,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 14:41:35,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 14:41:35,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 14:41:35,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 14:41:35,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 14:41:35,861 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 14:41:35,862 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 14:41:35,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 14:41:35,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 14:41:35,862 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 14:41:35,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 14:41:35,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 14:41:35,863 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 14:41:35,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 14:41:35,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 14:41:35,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 14:41:35,864 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 14:41:35,864 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 14:41:35,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 14:41:35,909 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 14:41:35,913 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 14:41:35,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 14:41:35,915 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 14:41:35,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_1_false-valid-memtrack.i [2018-01-24 14:41:36,109 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 14:41:36,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 14:41:36,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 14:41:36,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 14:41:36,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 14:41:36,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142f1c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36, skipping insertion in model container [2018-01-24 14:41:36,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,146 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:41:36,198 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:41:36,317 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:41:36,340 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:41:36,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36 WrapperNode [2018-01-24 14:41:36,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 14:41:36,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 14:41:36,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 14:41:36,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 14:41:36,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 14:41:36,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 14:41:36,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 14:41:36,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 14:41:36,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:41:36" (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 14:41:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 14:41:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 14:41:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-24 14:41:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_17 [2018-01-24 14:41:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure free_17 [2018-01-24 14:41:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 14:41:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 14:41:36,441 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 14:41:36,441 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 14:41:36,441 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_17 [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure free_17 [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 14:41:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 14:41:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 14:41:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 14:41:36,744 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 14:41:36,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:41:36 BoogieIcfgContainer [2018-01-24 14:41:36,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 14:41:36,745 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 14:41:36,746 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 14:41:36,746 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 14:41:36,747 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:41:36" (1/1) ... [2018-01-24 14:41:36,791 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 14:41:45,677 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 14:41:45,685 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 14:41:45,709 INFO L268 AbstractInterpreter]: Visited 84 different actions 539 times. Merged at 53 different actions 298 times. Never widened. Found 46 fixpoints after 16 different actions. Largest state had 31 variables. [2018-01-24 14:41:45,711 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 14:41:45,712 INFO L168 Benchmark]: Toolchain (without parser) took 9602.97 ms. Allocated memory was 308.8 MB in the beginning and 1.0 GB in the end (delta: 691.5 MB). Free memory was 267.8 MB in the beginning and 844.4 MB in the end (delta: -576.5 MB). Peak memory consumption was 115.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:41:45,713 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 308.8 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 14:41:45,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.26 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 253.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:41:45,713 INFO L168 Benchmark]: Boogie Preprocessor took 38.33 ms. Allocated memory is still 308.8 MB. Free memory was 253.9 MB in the beginning and 251.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:41:45,714 INFO L168 Benchmark]: RCFGBuilder took 355.93 ms. Allocated memory is still 308.8 MB. Free memory was 251.9 MB in the beginning and 229.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-01-24 14:41:45,714 INFO L168 Benchmark]: Abstract Interpretation took 8966.24 ms. Allocated memory was 308.8 MB in the beginning and 1.0 GB in the end (delta: 691.5 MB). Free memory was 229.2 MB in the beginning and 844.4 MB in the end (delta: -615.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 5.3 GB. [2018-01-24 14:41:45,715 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 308.8 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 234.26 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 253.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.33 ms. Allocated memory is still 308.8 MB. Free memory was 253.9 MB in the beginning and 251.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 355.93 ms. Allocated memory is still 308.8 MB. Free memory was 251.9 MB in the beginning and 229.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 8966.24 ms. Allocated memory was 308.8 MB in the beginning and 1.0 GB in the end (delta: 691.5 MB). Free memory was 229.2 MB in the beginning and 844.4 MB in the end (delta: -615.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 69 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 666 LocStat_NO_SUPPORTING_DISEQUALITIES : 92 LocStat_NO_DISJUNCTIONS : -138 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 96 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 146 TransStat_NO_SUPPORTING_DISEQUALITIES : 23 TransStat_NO_DISJUNCTIONS : 105 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 7.347328 RENAME_VARIABLES(MILLISECONDS) : 0.817197 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 7.313167 PROJECTAWAY(MILLISECONDS) : 1.296721 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.095381 DISJOIN(MILLISECONDS) : 0.291872 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.836263 ADD_EQUALITY(MILLISECONDS) : 0.030286 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.019648 #CONJOIN_DISJUNCTIVE : 892 #RENAME_VARIABLES : 2115 #UNFREEZE : 0 #CONJOIN : 1467 #PROJECTAWAY : 1311 #ADD_WEAK_EQUALITY : 17 #DISJOIN : 276 #RENAME_VARIABLES_DISJUNCTIVE : 1986 #ADD_EQUALITY : 135 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 20 - UnprovableResult [Line: 1477]: 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: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND TRUE, RET !array [L1478] entry_point() - 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: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 [L1469] COND TRUE i=0 [L1451] FCALL array[j] - UnprovableResult [Line: 1]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 [L1469] COND FALSE !(i=0 [L1451] EXPR, FCALL array[j] [L1451] FCALL free(array[j]) - UnprovableResult [Line: 1]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 [L1469] COND FALSE !(i=0 [L1451] EXPR, FCALL array[j] [L1451] FCALL free(array[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: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 [L1469] COND FALSE !(i=0 [L1451] EXPR, FCALL array[j] [L1451] FCALL free(array[j]) [L1452] FCALL array[j]=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: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 [L1469] COND FALSE !(i=0 [L1451] EXPR, FCALL array[j] [L1451] FCALL free(array[j]) [L1452] FCALL array[j]=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: [L1478] CALL entry_point() [L1465] int i; [L1466] int len = 10; [L1467] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1467] EXPR ldv_malloc(sizeof(struct A17*)*len) [L1467] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1468] COND FALSE !(!array) [L1469] i=0 [L1469] COND FALSE !(i