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/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:31:35,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:31:35,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:31:35,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:31:35,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:31:35,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:31:35,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:31:35,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:31:35,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:31:35,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:31:35,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:31:35,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:31:35,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:31:35,234 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:31:35,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:31:35,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:31:35,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:31:35,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:31:35,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:31:35,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:31:35,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:31:35,250 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 16:31:35,259 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:31:35,259 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:31:35,260 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:31:35,260 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:31:35,261 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:31:35,261 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:31:35,261 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:31:35,261 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:31:35,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:31:35,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:31:35,262 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:31:35,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:31:35,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:31:35,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:31:35,263 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:31:35,263 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:31:35,263 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:31:35,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:31:35,264 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:31:35,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:31:35,264 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:31:35,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:31:35,264 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:31:35,265 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:31:35,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:31:35,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:31:35,265 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:31:35,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:31:35,266 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:31:35,266 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:31:35,266 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:31:35,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:31:35,266 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:31:35,267 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:31:35,267 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:31:35,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:31:35,314 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:31:35,318 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:31:35,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:31:35,320 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:31:35,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2018-01-24 16:31:35,529 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:31:35,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:31:35,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:31:35,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:31:35,542 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:31:35,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388a8c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35, skipping insertion in model container [2018-01-24 16:31:35,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,559 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:31:35,608 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:31:35,716 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:31:35,730 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:31:35,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35 WrapperNode [2018-01-24 16:31:35,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:31:35,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:31:35,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:31:35,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:31:35,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:31:35,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:31:35,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:31:35,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:31:35,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:31:35" (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 16:31:35,812 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:31:35,812 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:31:35,812 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-24 16:31:35,813 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 16:31:35,813 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-24 16:31:35,813 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 16:31:35,814 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:31:35,814 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:31:35,814 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:31:35,941 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:31:35,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:31:35 BoogieIcfgContainer [2018-01-24 16:31:35,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:31:35,943 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:31:35,943 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:31:35,943 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:31:35,945 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:31:35" (1/1) ... [2018-01-24 16:31:35,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:31:36,332 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:31:36,345 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:31:36,355 INFO L268 AbstractInterpreter]: Visited 32 different actions 59 times. Merged at 12 different actions 16 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 18 variables. [2018-01-24 16:31:36,357 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:31:36,359 INFO L168 Benchmark]: Toolchain (without parser) took 829.01 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 197.7 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 5.3 GB. [2018-01-24 16:31:36,360 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 301.5 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:31:36,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.60 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 248.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. [2018-01-24 16:31:36,361 INFO L168 Benchmark]: Boogie Preprocessor took 31.76 ms. Allocated memory is still 301.5 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:31:36,361 INFO L168 Benchmark]: RCFGBuilder took 173.47 ms. Allocated memory is still 301.5 MB. Free memory was 246.2 MB in the beginning and 232.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:31:36,362 INFO L168 Benchmark]: Abstract Interpretation took 414.97 ms. Allocated memory is still 301.5 MB. Free memory was 232.6 MB in the beginning and 197.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. [2018-01-24 16:31:36,365 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 301.5 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.60 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 248.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.76 ms. Allocated memory is still 301.5 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 173.47 ms. Allocated memory is still 301.5 MB. Free memory was 246.2 MB in the beginning and 232.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 414.97 ms. Allocated memory is still 301.5 MB. Free memory was 232.6 MB in the beginning and 197.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 26 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 105 LocStat_NO_SUPPORTING_DISEQUALITIES : 16 LocStat_NO_DISJUNCTIONS : -52 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 40 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 72 TransStat_NO_SUPPORTING_DISEQUALITIES : 16 TransStat_NO_DISJUNCTIONS : 47 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.317456 RENAME_VARIABLES(MILLISECONDS) : 0.014947 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.066639 PROJECTAWAY(MILLISECONDS) : 0.512862 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001613 DISJOIN(MILLISECONDS) : 0.532616 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.034855 ADD_EQUALITY(MILLISECONDS) : 0.029170 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.053375 #CONJOIN_DISJUNCTIVE : 98 #RENAME_VARIABLES : 222 #UNFREEZE : 0 #CONJOIN : 235 #PROJECTAWAY : 164 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 17 #RENAME_VARIABLES_DISJUNCTIVE : 201 #ADD_EQUALITY : 56 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 13 - UnprovableResult [Line: 1442]: 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: [L1443] CALL entry_point() [L1434] CALL, EXPR ldv_malloc(sizeof(int)) [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; [L1434] EXPR ldv_malloc(sizeof(int)) [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] COND FALSE, RET !(\read(*p)) [L1443] entry_point() - 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: [L1443] CALL entry_point() [L1434] CALL, EXPR ldv_malloc(sizeof(int)) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1434] EXPR ldv_malloc(sizeof(int)) [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] COND TRUE \read(*p) [L1436] CALL, EXPR ldv_malloc(sizeof(int)) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) [L1074] RET return malloc(size); [L1436] EXPR ldv_malloc(sizeof(int)) [L1436] int *q = (int *)ldv_malloc(sizeof(int)); [L1437] FCALL free(q) [L1438] FCALL free(p) - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free 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/memleaks_test4_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-31-36-378.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-31-36-378.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test4_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-31-36-378.csv Received shutdown request...