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_imprecise.epf -i ../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:25:21,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:25:21,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:25:21,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:25:21,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:25:21,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:25:21,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:25:21,672 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:25:21,674 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:25:21,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:25:21,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:25:21,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:25:21,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:25:21,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:25:21,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:25:21,682 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:25:21,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:25:21,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:25:21,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:25:21,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:25:21,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:25:21,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:25:21,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:25:21,696 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_imprecise.epf [2018-01-24 16:25:21,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:25:21,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:25:21,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:25:21,706 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:25:21,706 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:25:21,706 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:25:21,706 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:25:21,706 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:25:21,707 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:25:21,707 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:25:21,707 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:25:21,707 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:25:21,707 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:25:21,708 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:25:21,708 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:25:21,708 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:25:21,708 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:25:21,708 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:25:21,708 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:25:21,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:25:21,709 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:25:21,709 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:25:21,709 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:25:21,709 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:25:21,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:25:21,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:25:21,710 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:25:21,711 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:25:21,711 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:25:21,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:25:21,754 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:25:21,757 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:25:21,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:25:21,759 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:25:21,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i [2018-01-24 16:25:21,940 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:25:21,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:25:21,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:25:21,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:25:21,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:25:21,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:25:21" (1/1) ... [2018-01-24 16:25:21,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc7c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:21, skipping insertion in model container [2018-01-24 16:25:21,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:25:21" (1/1) ... [2018-01-24 16:25:21,968 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:25:22,004 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:25:22,106 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:25:22,121 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:25:22,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22 WrapperNode [2018-01-24 16:25:22,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:25:22,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:25:22,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:25:22,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:25:22,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:25:22,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:25:22,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:25:22,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:25:22,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:22" (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 16:25:22,212 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:25:22,213 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:25:22,213 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-24 16:25:22,213 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-24 16:25:22,213 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:25:22,213 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:25:22,213 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:25:22,213 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:25:22,213 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:25:22,213 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:25:22,213 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:25:22,214 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:25:22,214 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-24 16:25:22,214 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-24 16:25:22,214 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:25:22,214 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:25:22,214 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:25:22,387 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:25:22,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:25:22 BoogieIcfgContainer [2018-01-24 16:25:22,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:25:22,389 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:25:22,389 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:25:22,389 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:25:22,390 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:25:22" (1/1) ... [2018-01-24 16:25:22,449 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:25:22,839 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:25:22,863 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:25:22,882 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 16:25:22,884 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:25:22,885 INFO L168 Benchmark]: Toolchain (without parser) took 943.90 ms. Allocated memory was 303.6 MB in the beginning and 327.7 MB in the end (delta: 24.1 MB). Free memory was 263.6 MB in the beginning and 294.7 MB in the end (delta: -31.1 MB). Peak memory consumption was 90.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:22,888 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 303.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:25:22,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.70 ms. Allocated memory is still 303.6 MB. Free memory was 262.6 MB in the beginning and 252.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:22,889 INFO L168 Benchmark]: Boogie Preprocessor took 35.26 ms. Allocated memory is still 303.6 MB. Free memory was 252.5 MB in the beginning and 250.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:22,890 INFO L168 Benchmark]: RCFGBuilder took 223.84 ms. Allocated memory is still 303.6 MB. Free memory was 250.5 MB in the beginning and 233.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:22,890 INFO L168 Benchmark]: Abstract Interpretation took 494.94 ms. Allocated memory was 303.6 MB in the beginning and 327.7 MB in the end (delta: 24.1 MB). Free memory was 233.9 MB in the beginning and 294.7 MB in the end (delta: -60.8 MB). Peak memory consumption was 60.5 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:22,892 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 303.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 182.70 ms. Allocated memory is still 303.6 MB. Free memory was 262.6 MB in the beginning and 252.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.26 ms. Allocated memory is still 303.6 MB. Free memory was 252.5 MB in the beginning and 250.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 223.84 ms. Allocated memory is still 303.6 MB. Free memory was 250.5 MB in the beginning and 233.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 494.94 ms. Allocated memory was 303.6 MB in the beginning and 327.7 MB in the end (delta: 24.1 MB). Free memory was 233.9 MB in the beginning and 294.7 MB in the end (delta: -60.8 MB). Peak memory consumption was 60.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 40 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 340 LocStat_NO_SUPPORTING_DISEQUALITIES : 155 LocStat_NO_DISJUNCTIONS : -80 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 51 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 109 TransStat_NO_SUPPORTING_DISEQUALITIES : 29 TransStat_NO_DISJUNCTIONS : 62 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.091169 RENAME_VARIABLES(MILLISECONDS) : 0.177070 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.020638 PROJECTAWAY(MILLISECONDS) : 0.129720 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002763 DISJOIN(MILLISECONDS) : 0.393483 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.233415 ADD_EQUALITY(MILLISECONDS) : 0.048096 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010594 #CONJOIN_DISJUNCTIVE : 84 #RENAME_VARIABLES : 168 #UNFREEZE : 0 #CONJOIN : 225 #PROJECTAWAY : 156 #ADD_WEAK_EQUALITY : 18 #DISJOIN : 16 #RENAME_VARIABLES_DISJUNCTIVE : 145 #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) - 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] 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 * 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_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-25-22-905.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_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-25-22-905.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_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-25-22-905.csv Received shutdown request...