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_smtcomp.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:15:09,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:15:09,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:15:09,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:15:09,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:15:09,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:15:09,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:15:09,414 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:15:09,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:15:09,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:15:09,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:15:09,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:15:09,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:15:09,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:15:09,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:15:09,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:15:09,427 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:15:09,429 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:15:09,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:15:09,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:15:09,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:15:09,439 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 04:15:09,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 04:15:09,440 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_smtcomp.epf [2018-01-25 04:15:09,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:15:09,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:15:09,449 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:15:09,449 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:15:09,449 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:15:09,449 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:15:09,449 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:15:09,449 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:15:09,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:15:09,450 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:15:09,450 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:15:09,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:15:09,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:15:09,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:15:09,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:15:09,451 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:15:09,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:15:09,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:15:09,453 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:15:09,453 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:15:09,454 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:15:09,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:15:09,500 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:15:09,504 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:15:09,505 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:15:09,506 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:15:09,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i [2018-01-25 04:15:09,685 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:15:09,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:15:09,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:15:09,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:15:09,696 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:15:09,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4d08b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09, skipping insertion in model container [2018-01-25 04:15:09,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,714 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:15:09,753 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:15:09,869 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:15:09,884 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:15:09,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09 WrapperNode [2018-01-25 04:15:09,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:15:09,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:15:09,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:15:09,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:15:09,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (1/1) ... [2018-01-25 04:15:09,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:15:09,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:15:09,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:15:09,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:15:09,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:15:09" (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 [2018-01-25 04:15:10,003 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:15:10,004 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:15:10,004 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:15:10,004 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-25 04:15:10,004 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-25 04:15:10,004 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 04:15:10,005 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 04:15:10,005 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:15:10,005 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:15:10,005 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:15:10,005 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-25 04:15:10,005 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 04:15:10,006 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:15:10,006 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:15:10,006 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:15:10,205 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:15:10,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:15:10 BoogieIcfgContainer [2018-01-25 04:15:10,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:15:10,206 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:15:10,206 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:15:10,206 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:15:10,207 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:15:10" (1/1) ... [2018-01-25 04:15:10,256 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:15:44,966 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:15:44,986 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:15:44,988 INFO L268 AbstractInterpreter]: Visited 37 different actions 37 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-01-25 04:15:44,989 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:15:44,989 INFO L168 Benchmark]: Toolchain (without parser) took 35303.63 ms. Allocated memory was 304.1 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 264.1 MB in the beginning and 544.8 MB in the end (delta: -280.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-01-25 04:15:44,990 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 04:15:44,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.13 ms. Allocated memory is still 304.1 MB. Free memory was 263.1 MB in the beginning and 252.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:15:44,990 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory is still 304.1 MB. Free memory was 252.0 MB in the beginning and 251.0 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. [2018-01-25 04:15:44,991 INFO L168 Benchmark]: RCFGBuilder took 270.38 ms. Allocated memory is still 304.1 MB. Free memory was 251.0 MB in the beginning and 235.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. [2018-01-25 04:15:44,991 INFO L168 Benchmark]: Abstract Interpretation took 34782.83 ms. Allocated memory was 304.1 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 234.2 MB in the beginning and 544.8 MB in the end (delta: -310.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-01-25 04:15:44,992 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 202.13 ms. Allocated memory is still 304.1 MB. Free memory was 263.1 MB in the beginning and 252.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory is still 304.1 MB. Free memory was 252.0 MB in the beginning and 251.0 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. * RCFGBuilder took 270.38 ms. Allocated memory is still 304.1 MB. Free memory was 251.0 MB in the beginning and 235.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 34782.83 ms. Allocated memory was 304.1 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 234.2 MB in the beginning and 544.8 MB in the end (delta: -310.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 32 LocStat_MAX_WEQGRAPH_SIZE : 12 LocStat_MAX_SIZEOF_WEQEDGELABEL : 12 LocStat_NO_SUPPORTING_EQUALITIES : 407 LocStat_NO_SUPPORTING_DISEQUALITIES : 158 LocStat_NO_DISJUNCTIONS : -64 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 41 TransStat_MAX_WEQGRAPH_SIZE : 6 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 85 TransStat_NO_SUPPORTING_DISEQUALITIES : 24 TransStat_NO_DISJUNCTIONS : 52 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.044652 RENAME_VARIABLES(MILLISECONDS) : 0.079719 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.002286 PROJECTAWAY(MILLISECONDS) : 0.072568 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.087160 DISJOIN(MILLISECONDS) : 9.182982 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.107839 ADD_EQUALITY(MILLISECONDS) : 0.030161 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009416 #CONJOIN_DISJUNCTIVE : 75 #RENAME_VARIABLES : 146 #UNFREEZE : 0 #CONJOIN : 197 #PROJECTAWAY : 132 #ADD_WEAK_EQUALITY : 26 #DISJOIN : 26 #RENAME_VARIABLES_DISJUNCTIVE : 132 #ADD_EQUALITY : 82 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 16 - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] FCALL data.p0 - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] FCALL data.p0 - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) [L755] FCALL free(ptr) - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) [L755] FCALL free(ptr) - UnprovableResult [Line: 740]: 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) [L755] FCALL free(ptr) [L756] return 0; [L756] return 0; - 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/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-15-45-001.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-15-45-001.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-15-45-001.csv Received shutdown request...