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/mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/memsafety/test-0232_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 16:11:20,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 16:11:20,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 16:11:20,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 16:11:20,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 16:11:20,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 16:11:20,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 16:11:20,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 16:11:20,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 16:11:20,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 16:11:20,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 16:11:20,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 16:11:20,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 16:11:20,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 16:11:20,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 16:11:20,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 16:11:20,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 16:11:20,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 16:11:20,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 16:11:20,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 16:11:20,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 16:11:20,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 16:11:20,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 16:11:20,166 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf [2018-01-23 16:11:20,176 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 16:11:20,176 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 16:11:20,177 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 16:11:20,177 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 16:11:20,178 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 16:11:20,178 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-23 16:11:20,178 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 16:11:20,178 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 16:11:20,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 16:11:20,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 16:11:20,180 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 16:11:20,180 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 16:11:20,180 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 16:11:20,180 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 16:11:20,180 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 16:11:20,181 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 16:11:20,181 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 16:11:20,181 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 16:11:20,181 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 16:11:20,181 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 16:11:20,182 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 16:11:20,182 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 16:11:20,182 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 16:11:20,182 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 16:11:20,182 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 16:11:20,183 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 16:11:20,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 16:11:20,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 16:11:20,183 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 16:11:20,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 16:11:20,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 16:11:20,184 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 16:11:20,184 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 16:11:20,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 16:11:20,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 16:11:20,185 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 16:11:20,186 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 16:11:20,186 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 16:11:20,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 16:11:20,235 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 16:11:20,239 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 16:11:20,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 16:11:20,242 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 16:11:20,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0232_false-valid-memtrack.i [2018-01-23 16:11:20,401 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 16:11:20,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 16:11:20,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 16:11:20,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 16:11:20,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 16:11:20,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585c73c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20, skipping insertion in model container [2018-01-23 16:11:20,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,434 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:11:20,474 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:11:20,592 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:11:20,607 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:11:20,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20 WrapperNode [2018-01-23 16:11:20,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 16:11:20,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 16:11:20,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 16:11:20,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 16:11:20,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (1/1) ... [2018-01-23 16:11:20,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 16:11:20,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 16:11:20,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 16:11:20,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 16:11:20,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:11:20" (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 [2018-01-23 16:11:20,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 16:11:20,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 16:11:20,719 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-23 16:11:20,719 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 16:11:20,719 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 16:11:20,719 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 16:11:20,720 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-23 16:11:20,721 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 16:11:20,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 16:11:20,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 16:11:21,001 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 16:11:21,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:11:21 BoogieIcfgContainer [2018-01-23 16:11:21,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 16:11:21,002 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 16:11:21,002 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 16:11:21,002 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 16:11:21,003 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:11:21" (1/1) ... [2018-01-23 16:11:21,049 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 16:11:21,634 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 16:11:21,646 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:11:21,650 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:11:21,650 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:11:21,657 INFO L268 AbstractInterpreter]: Visited 42 different actions 67 times. Merged at 7 different actions 7 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 36 variables. [2018-01-23 16:11:21,659 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 16:11:21,660 INFO L168 Benchmark]: Toolchain (without parser) took 1258.60 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 266.6 MB in the beginning and 234.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 5.3 GB. [2018-01-23 16:11:21,661 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 308.3 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 16:11:21,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.59 ms. Allocated memory is still 308.3 MB. Free memory was 265.6 MB in the beginning and 255.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-23 16:11:21,662 INFO L168 Benchmark]: Boogie Preprocessor took 44.18 ms. Allocated memory is still 308.3 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 16:11:21,663 INFO L168 Benchmark]: RCFGBuilder took 341.53 ms. Allocated memory is still 308.3 MB. Free memory was 253.5 MB in the beginning and 232.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. [2018-01-23 16:11:21,663 INFO L168 Benchmark]: Abstract Interpretation took 657.62 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 232.9 MB in the beginning and 234.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. [2018-01-23 16:11:21,665 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 308.3 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 209.59 ms. Allocated memory is still 308.3 MB. Free memory was 265.6 MB in the beginning and 255.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.18 ms. Allocated memory is still 308.3 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 341.53 ms. Allocated memory is still 308.3 MB. Free memory was 253.5 MB in the beginning and 232.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 657.62 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 232.9 MB in the beginning and 234.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 37 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 537 LocStat_NO_SUPPORTING_DISEQUALITIES : 230 LocStat_NO_DISJUNCTIONS : -74 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 48 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 94 TransStat_NO_SUPPORTING_DISEQUALITIES : 21 TransStat_NO_DISJUNCTIONS : 52 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.831865 RENAME_VARIABLES(MILLISECONDS) : 0.019117 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.289767 PROJECTAWAY(MILLISECONDS) : 0.140887 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001639 DISJOIN(MILLISECONDS) : 1.066294 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.053106 ADD_EQUALITY(MILLISECONDS) : 0.016352 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.036249 #CONJOIN_DISJUNCTIVE : 119 #RENAME_VARIABLES : 204 #UNFREEZE : 0 #CONJOIN : 204 #PROJECTAWAY : 149 #ADD_WEAK_EQUALITY : 24 #DISJOIN : 31 #RENAME_VARIABLES_DISJUNCTIVE : 200 #ADD_EQUALITY : 94 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 11 - UnprovableResult [Line: 1]: 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: - UnprovableResult [Line: 624]: 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: [L635] FCALL struct item *list = ((void *)0); [L637] CALL append(&list) [L626] EXPR, FCALL malloc(sizeof *item) [L626] struct item *item = malloc(sizeof *item); [L627] EXPR, FCALL \read(**plist) [L627] FCALL item->next = *plist [L628] EXPR, FCALL item->next [L628-L630] COND FALSE, EXPR !((item->next) ? item->next->data : malloc(sizeof *item)) [L630] EXPR, FCALL malloc(sizeof *item) [L628-L630] EXPR (item->next) ? item->next->data : malloc(sizeof *item) [L628-L630] FCALL item->data = (item->next) ? item->next->data : malloc(sizeof *item) [L631] FCALL *plist = item - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 633]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - 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-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_16-11-21-676.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_16-11-21-676.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_16-11-21-676.csv Received shutdown request...