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.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 15:15:15,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 15:15:15,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 15:15:15,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 15:15:15,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 15:15:15,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 15:15:15,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 15:15:15,443 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 15:15:15,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 15:15:15,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 15:15:15,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 15:15:15,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 15:15:15,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 15:15:15,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 15:15:15,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 15:15:15,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 15:15:15,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 15:15:15,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 15:15:15,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 15:15:15,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 15:15:15,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 15:15:15,500 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 15:15:15,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 15:15:15,500 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.epf [2018-01-23 15:15:15,530 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 15:15:15,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 15:15:15,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 15:15:15,538 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 15:15:15,539 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 15:15:15,539 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 15:15:15,539 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 15:15:15,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 15:15:15,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 15:15:15,540 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 15:15:15,540 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 15:15:15,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 15:15:15,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 15:15:15,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 15:15:15,541 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 15:15:15,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 15:15:15,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 15:15:15,547 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 15:15:15,548 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 15:15:15,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 15:15:15,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 15:15:15,548 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 15:15:15,548 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 15:15:15,548 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 15:15:15,549 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 15:15:15,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 15:15:15,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 15:15:15,549 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 15:15:15,549 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 15:15:15,549 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 15:15:15,550 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 15:15:15,550 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 15:15:15,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 15:15:15,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 15:15:15,550 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 15:15:15,553 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 15:15:15,553 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 15:15:15,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 15:15:15,645 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 15:15:15,649 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 15:15:15,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 15:15:15,650 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 15:15:15,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i [2018-01-23 15:15:15,876 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 15:15:15,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 15:15:15,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 15:15:15,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 15:15:15,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 15:15:15,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:15:15" (1/1) ... [2018-01-23 15:15:15,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157b506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:15, skipping insertion in model container [2018-01-23 15:15:15,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:15:15" (1/1) ... [2018-01-23 15:15:15,918 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 15:15:15,970 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 15:15:16,121 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 15:15:16,146 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 15:15:16,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16 WrapperNode [2018-01-23 15:15:16,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 15:15:16,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 15:15:16,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 15:15:16,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 15:15:16,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 15:15:16,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 15:15:16,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 15:15:16,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 15:15:16,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:15:16" (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 15:15:16,252 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 15:15:16,253 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 15:15:16,253 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 15:15:16,253 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 15:15:16,253 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 15:15:16,253 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 15:15:16,253 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 15:15:16,253 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 15:15:16,253 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 15:15:16,254 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 15:15:16,254 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 15:15:16,254 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 15:15:16,254 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 15:15:16,254 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 15:15:16,254 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 15:15:16,474 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 15:15:16,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:15:16 BoogieIcfgContainer [2018-01-23 15:15:16,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 15:15:16,477 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 15:15:16,477 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 15:15:16,478 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 15:15:16,479 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:15:16" (1/1) ... [2018-01-23 15:15:16,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 15:15:43,555 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 15:15:43,571 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:15:43,574 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:15:43,574 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:15:43,578 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:15:43,578 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:15:43,578 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:15:43,580 INFO L268 AbstractInterpreter]: Visited 25 different actions 25 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-01-23 15:15:43,581 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 15:15:43,582 INFO L168 Benchmark]: Toolchain (without parser) took 27704.76 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 264.6 MB in the beginning and 759.8 MB in the end (delta: -495.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-01-23 15:15:43,582 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 305.7 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 15:15:43,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.74 ms. Allocated memory is still 305.7 MB. Free memory was 264.6 MB in the beginning and 252.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-23 15:15:43,583 INFO L168 Benchmark]: Boogie Preprocessor took 39.69 ms. Allocated memory is still 305.7 MB. Free memory is still 252.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 15:15:43,584 INFO L168 Benchmark]: RCFGBuilder took 276.61 ms. Allocated memory is still 305.7 MB. Free memory was 252.6 MB in the beginning and 237.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-23 15:15:43,584 INFO L168 Benchmark]: Abstract Interpretation took 27103.86 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 237.6 MB in the beginning and 759.8 MB in the end (delta: -522.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 5.3 GB. [2018-01-23 15:15:43,586 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 305.7 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 272.74 ms. Allocated memory is still 305.7 MB. Free memory was 264.6 MB in the beginning and 252.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.69 ms. Allocated memory is still 305.7 MB. Free memory is still 252.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 276.61 ms. Allocated memory is still 305.7 MB. Free memory was 252.6 MB in the beginning and 237.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 27103.86 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 237.6 MB in the beginning and 759.8 MB in the end (delta: -522.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 25 LocStat_MAX_WEQGRAPH_SIZE : 12 LocStat_MAX_SIZEOF_WEQEDGELABEL : 12 LocStat_NO_SUPPORTING_EQUALITIES : 260 LocStat_NO_SUPPORTING_DISEQUALITIES : 90 LocStat_NO_DISJUNCTIONS : -50 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 29 TransStat_MAX_WEQGRAPH_SIZE : 6 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 72 TransStat_NO_SUPPORTING_DISEQUALITIES : 15 TransStat_NO_DISJUNCTIONS : 35 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.178616 RENAME_VARIABLES(MILLISECONDS) : 0.039730 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.156973 PROJECTAWAY(MILLISECONDS) : 0.042981 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.066597 DISJOIN(MILLISECONDS) : 4.499960 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.054975 ADD_EQUALITY(MILLISECONDS) : 0.022193 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.005160 #CONJOIN_DISJUNCTIVE : 58 #RENAME_VARIABLES : 108 #UNFREEZE : 0 #CONJOIN : 156 #PROJECTAWAY : 96 #ADD_WEAK_EQUALITY : 26 #DISJOIN : 18 #RENAME_VARIABLES_DISJUNCTIVE : 99 #ADD_EQUALITY : 69 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 - 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: 740]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: abstract domain could reach this error location. Possible FailurePath: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) [L755] FCALL free(ptr) [L756] return 0; [L756] return 0; - 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: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] EXPR, FCALL malloc(37U) [L750] FCALL data.p0 = malloc(37U) [L751] FCALL data.str.p2 = &data [L752] EXPR, FCALL data.p0 [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 [L754] EXPR, FCALL data.p0 [L754] FCALL free(data.p0) [L755] FCALL free(ptr) [L756] return 0; [L756] return 0; * 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) - 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-0158_false-valid-free.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_15-15-43-597.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_15-15-43-597.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_15-15-43-597.csv Received shutdown request...