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/memsafety/test-0019_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 14:14:08,748 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 14:14:08,750 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 14:14:08,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 14:14:08,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 14:14:08,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 14:14:08,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 14:14:08,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 14:14:08,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 14:14:08,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 14:14:08,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 14:14:08,773 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 14:14:08,774 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 14:14:08,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 14:14:08,776 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 14:14:08,779 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 14:14:08,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 14:14:08,783 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 14:14:08,784 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 14:14:08,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 14:14:08,788 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 14:14:08,794 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 14:14:08,801 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 14:14:08,802 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 14:14:08,802 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 14:14:08,802 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 14:14:08,803 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 14:14:08,803 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 14:14:08,803 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 14:14:08,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 14:14:08,803 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 14:14:08,803 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 14:14:08,804 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 14:14:08,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 14:14:08,805 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 14:14:08,805 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 14:14:08,805 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 14:14:08,805 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 14:14:08,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 14:14:08,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 14:14:08,806 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 14:14:08,806 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 14:14:08,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 14:14:08,806 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 14:14:08,807 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 14:14:08,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 14:14:08,807 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 14:14:08,807 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 14:14:08,807 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 14:14:08,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 14:14:08,850 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 14:14:08,853 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 14:14:08,855 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 14:14:08,855 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 14:14:08,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i [2018-01-24 14:14:09,022 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 14:14:09,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 14:14:09,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 14:14:09,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 14:14:09,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 14:14:09,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b352040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09, skipping insertion in model container [2018-01-24 14:14:09,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,049 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:14:09,084 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:14:09,194 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:14:09,211 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:14:09,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09 WrapperNode [2018-01-24 14:14:09,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 14:14:09,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 14:14:09,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 14:14:09,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 14:14:09,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 14:14:09,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 14:14:09,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 14:14:09,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 14:14:09,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:14:09" (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 [2018-01-24 14:14:09,310 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 14:14:09,310 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 14:14:09,310 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-24 14:14:09,310 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-24 14:14:09,310 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 14:14:09,310 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 14:14:09,311 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 14:14:09,312 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 14:14:09,488 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 14:14:09,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:14:09 BoogieIcfgContainer [2018-01-24 14:14:09,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 14:14:09,489 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 14:14:09,489 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 14:14:09,490 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 14:14:09,491 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:14:09" (1/1) ... [2018-01-24 14:14:09,537 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 14:14:14,024 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 14:14:14,044 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 14:14:14,046 INFO L268 AbstractInterpreter]: Visited 43 different actions 48 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-01-24 14:14:14,048 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 14:14:14,049 INFO L168 Benchmark]: Toolchain (without parser) took 5025.62 ms. Allocated memory was 306.2 MB in the beginning and 652.2 MB in the end (delta: 346.0 MB). Free memory was 265.1 MB in the beginning and 600.1 MB in the end (delta: -335.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:14:14,049 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 306.2 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 14:14:14,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.89 ms. Allocated memory is still 306.2 MB. Free memory was 265.1 MB in the beginning and 255.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:14:14,050 INFO L168 Benchmark]: Boogie Preprocessor took 37.15 ms. Allocated memory is still 306.2 MB. Free memory was 255.1 MB in the beginning and 253.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:14:14,050 INFO L168 Benchmark]: RCFGBuilder took 230.65 ms. Allocated memory is still 306.2 MB. Free memory was 253.1 MB in the beginning and 236.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:14:14,051 INFO L168 Benchmark]: Abstract Interpretation took 4558.88 ms. Allocated memory was 306.2 MB in the beginning and 652.2 MB in the end (delta: 346.0 MB). Free memory was 236.2 MB in the beginning and 600.1 MB in the end (delta: -364.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 14:14:14,053 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 306.2 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 191.89 ms. Allocated memory is still 306.2 MB. Free memory was 265.1 MB in the beginning and 255.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.15 ms. Allocated memory is still 306.2 MB. Free memory was 255.1 MB in the beginning and 253.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 230.65 ms. Allocated memory is still 306.2 MB. Free memory was 253.1 MB in the beginning and 236.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 4558.88 ms. Allocated memory was 306.2 MB in the beginning and 652.2 MB in the end (delta: 346.0 MB). Free memory was 236.2 MB in the beginning and 600.1 MB in the end (delta: -364.0 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 38 LocStat_MAX_WEQGRAPH_SIZE : 10 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 424 LocStat_NO_SUPPORTING_DISEQUALITIES : 163 LocStat_NO_DISJUNCTIONS : -76 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 51 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 109 TransStat_NO_SUPPORTING_DISEQUALITIES : 29 TransStat_NO_DISJUNCTIONS : 62 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.025504 RENAME_VARIABLES(MILLISECONDS) : 0.061474 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001429 PROJECTAWAY(MILLISECONDS) : 0.036696 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.092731 DISJOIN(MILLISECONDS) : 1.402776 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.076457 ADD_EQUALITY(MILLISECONDS) : 0.022300 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.006403 #CONJOIN_DISJUNCTIVE : 85 #RENAME_VARIABLES : 173 #UNFREEZE : 0 #CONJOIN : 230 #PROJECTAWAY : 156 #ADD_WEAK_EQUALITY : 18 #DISJOIN : 19 #RENAME_VARIABLES_DISJUNCTIVE : 150 #ADD_EQUALITY : 97 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 18 - 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] FCALL pdata->hi = malloc(24) - 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(data) [L640] FCALL free_data(data) - 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(data) [L640] FCALL free_data(data) [L640] CALL free_data(data) [L630] void *lo = data.lo; [L631] void *hi = data.hi; [L632] COND FALSE !(lo == hi) [L634] FCALL free(lo) - 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(data) [L640] FCALL free_data(data) [L640] CALL free_data(data) [L630] void *lo = data.lo; [L631] void *hi = data.hi; [L632] COND FALSE !(lo == hi) [L634] FCALL free(lo) - 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(data) [L640] FCALL free_data(data) [L640] CALL free_data(data) [L630] void *lo = data.lo; [L631] void *hi = data.hi; [L632] COND FALSE !(lo == hi) [L634] FCALL free(lo) [L635] FCALL free(hi) - 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(data) [L640] FCALL free_data(data) [L640] CALL free_data(data) [L630] void *lo = data.lo; [L631] void *hi = data.hi; [L632] COND FALSE !(lo == hi) [L634] FCALL free(lo) [L635] FCALL free(hi) - UnprovableResult [Line: 637]: 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: [L638] FCALL TData data; [L639] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(16) [L625] FCALL pdata->lo = malloc(16) [L626] EXPR, FCALL malloc(24) [L626] RET, FCALL pdata->hi = malloc(24) [L639] alloc_data(&data) [L640] FCALL free_data(data) [L640] FCALL free_data(data) [L640] CALL free_data(data) [L630] void *lo = data.lo; [L631] void *hi = data.hi; [L632] COND TRUE, RET lo == hi [L640] free_data(data) [L641] return 0; [L641] 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 * 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-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_14-14-14-063.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_14-14-14-063.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_14-14-14-063.csv Received shutdown request...