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-0158_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:23:19,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:23:19,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:23:19,109 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:23:19,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:23:19,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:23:19,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:23:19,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:23:19,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:23:19,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:23:19,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:23:19,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:23:19,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:23:19,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:23:19,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:23:19,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:23:19,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:23:19,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:23:19,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:23:19,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:23:19,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:23:19,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:23:19,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:23:19,141 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 16:23:19,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:23:19,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:23:19,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:23:19,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:23:19,151 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:23:19,152 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:23:19,152 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:23:19,152 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:23:19,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:23:19,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:23:19,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:23:19,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:23:19,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:23:19,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:23:19,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:23:19,154 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:23:19,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:23:19,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:23:19,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:23:19,155 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:23:19,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:23:19,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:23:19,155 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:23:19,156 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:23:19,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:23:19,156 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:23:19,156 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:23:19,157 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:23:19,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:23:19,202 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:23:19,234 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:23:19,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:23:19,236 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:23:19,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i [2018-01-24 16:23:19,452 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:23:19,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:23:19,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:23:19,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:23:19,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:23:19,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4d08b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19, skipping insertion in model container [2018-01-24 16:23:19,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,495 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:23:19,542 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:23:19,659 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:23:19,674 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:23:19,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19 WrapperNode [2018-01-24 16:23:19,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:23:19,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:23:19,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:23:19,684 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:23:19,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:19,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:23:19,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:23:19,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:23:19,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:23:19,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:23:19" (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 16:23:19,782 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:23:19,783 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:23:19,783 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:23:19,783 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:23:19,783 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:23:19,783 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:23:19,783 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:23:19,783 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:23:19,784 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:23:19,784 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:23:19,784 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:23:19,784 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:23:19,784 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:23:19,784 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:23:19,785 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:23:19,949 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:23:19,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:23:19 BoogieIcfgContainer [2018-01-24 16:23:19,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:23:19,951 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:23:19,951 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:23:19,951 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:23:19,952 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:23:19" (1/1) ... [2018-01-24 16:23:20,005 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:23:20,412 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:23:20,430 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:23:20,433 INFO L268 AbstractInterpreter]: Visited 37 different actions 37 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-01-24 16:23:20,434 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:23:20,435 INFO L168 Benchmark]: Toolchain (without parser) took 982.38 ms. Allocated memory was 301.5 MB in the beginning and 327.7 MB in the end (delta: 26.2 MB). Free memory was 261.5 MB in the beginning and 282.5 MB in the end (delta: -21.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:23:20,436 INFO L168 Benchmark]: CDTParser took 0.14 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 16:23:20,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.19 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 249.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:23:20,437 INFO L168 Benchmark]: Boogie Preprocessor took 40.48 ms. Allocated memory is still 301.5 MB. Free memory was 249.4 MB in the beginning and 248.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 16:23:20,437 INFO L168 Benchmark]: RCFGBuilder took 225.45 ms. Allocated memory is still 301.5 MB. Free memory was 248.4 MB in the beginning and 232.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB. [2018-01-24 16:23:20,438 INFO L168 Benchmark]: Abstract Interpretation took 483.72 ms. Allocated memory was 301.5 MB in the beginning and 327.7 MB in the end (delta: 26.2 MB). Free memory was 231.6 MB in the beginning and 282.5 MB in the end (delta: -50.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:23:20,440 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 223.19 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 249.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.48 ms. Allocated memory is still 301.5 MB. Free memory was 249.4 MB in the beginning and 248.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 225.45 ms. Allocated memory is still 301.5 MB. Free memory was 248.4 MB in the beginning and 232.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 483.72 ms. Allocated memory was 301.5 MB in the beginning and 327.7 MB in the end (delta: 26.2 MB). Free memory was 231.6 MB in the beginning and 282.5 MB in the end (delta: -50.9 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 33 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 303 LocStat_NO_SUPPORTING_DISEQUALITIES : 128 LocStat_NO_DISJUNCTIONS : -66 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 41 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 85 TransStat_NO_SUPPORTING_DISEQUALITIES : 24 TransStat_NO_DISJUNCTIONS : 52 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.051347 RENAME_VARIABLES(MILLISECONDS) : 0.130214 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.003425 PROJECTAWAY(MILLISECONDS) : 0.121766 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.003333 DISJOIN(MILLISECONDS) : 0.329635 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.163743 ADD_EQUALITY(MILLISECONDS) : 0.034855 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.017640 #CONJOIN_DISJUNCTIVE : 70 #RENAME_VARIABLES : 133 #UNFREEZE : 0 #CONJOIN : 188 #PROJECTAWAY : 128 #ADD_WEAK_EQUALITY : 26 #DISJOIN : 21 #RENAME_VARIABLES_DISJUNCTIVE : 119 #ADD_EQUALITY : 82 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 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: [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) - 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: [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) - 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: [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 - 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: [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] FCALL data.p0 - 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: [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 - 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: [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] FCALL data.p0 - 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: [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) - 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: [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) - 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: [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) - 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: [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) - 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; - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-23-20-454.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-23-20-454.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-23-20-454.csv Received shutdown request...