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_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:25:37,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:25:37,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:25:37,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:25:37,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:25:37,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:25:37,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:25:37,343 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:25:37,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:25:37,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:25:37,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:25:37,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:25:37,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:25:37,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:25:37,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:25:37,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:25:37,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:25:37,356 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:25:37,358 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:25:37,359 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:25:37,361 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:25:37,361 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:25:37,362 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:25:37,363 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:25:37,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:25:37,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:25:37,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:25:37,366 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:25:37,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:25:37,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:25:37,367 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:25:37,367 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf [2018-01-24 16:25:37,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:25:37,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:25:37,377 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:25:37,377 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:25:37,377 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:25:37,377 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:25:37,377 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:25:37,377 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:25:37,378 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:25:37,378 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:25:37,378 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:25:37,378 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:25:37,378 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:25:37,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:25:37,378 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:25:37,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:25:37,379 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:25:37,380 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:25:37,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:25:37,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:25:37,380 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:25:37,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:25:37,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:25:37,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:25:37,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:25:37,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:25:37,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:25:37,382 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:25:37,382 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:25:37,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:25:37,425 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:25:37,428 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:25:37,429 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:25:37,429 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:25:37,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-01-24 16:25:37,590 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:25:37,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:25:37,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:25:37,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:25:37,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:25:37,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd47ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37, skipping insertion in model container [2018-01-24 16:25:37,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,620 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:25:37,659 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:25:37,769 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:25:37,782 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:25:37,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37 WrapperNode [2018-01-24 16:25:37,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:25:37,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:25:37,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:25:37,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:25:37,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... [2018-01-24 16:25:37,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:25:37,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:25:37,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:25:37,818 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:25:37,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:25:37" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:25:37,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:25:37,865 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:25:37,865 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:25:37,865 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:25:37,865 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:25:37,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:25:37,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:25:38,005 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:25:38,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:25:38 BoogieIcfgContainer [2018-01-24 16:25:38,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:25:38,006 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:25:38,006 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:25:38,007 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:25:38,007 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:25:38" (1/1) ... [2018-01-24 16:25:38,052 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:25:38,295 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:25:38,311 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:25:38,314 INFO L268 AbstractInterpreter]: Visited 26 different actions 26 times. Never merged. Never widened. Never found a fixpoint. Largest state had 19 variables. [2018-01-24 16:25:38,315 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:25:38,316 INFO L168 Benchmark]: Toolchain (without parser) took 725.52 ms. Allocated memory is still 303.6 MB. Free memory was 263.5 MB in the beginning and 211.7 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:38,317 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 303.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:25:38,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.50 ms. Allocated memory is still 303.6 MB. Free memory was 263.5 MB in the beginning and 253.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:38,318 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 303.6 MB. Free memory was 252.4 MB in the beginning and 251.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 16:25:38,318 INFO L168 Benchmark]: RCFGBuilder took 187.99 ms. Allocated memory is still 303.6 MB. Free memory was 251.4 MB in the beginning and 237.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:38,319 INFO L168 Benchmark]: Abstract Interpretation took 308.65 ms. Allocated memory is still 303.6 MB. Free memory was 237.8 MB in the beginning and 211.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:25:38,322 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 303.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 193.50 ms. Allocated memory is still 303.6 MB. Free memory was 263.5 MB in the beginning and 253.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 303.6 MB. Free memory was 252.4 MB in the beginning and 251.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 187.99 ms. Allocated memory is still 303.6 MB. Free memory was 251.4 MB in the beginning and 237.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 308.65 ms. Allocated memory is still 303.6 MB. Free memory was 237.8 MB in the beginning and 211.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 24 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 203 LocStat_NO_SUPPORTING_DISEQUALITIES : 101 LocStat_NO_DISJUNCTIONS : -48 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 30 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 58 TransStat_NO_SUPPORTING_DISEQUALITIES : 17 TransStat_NO_DISJUNCTIONS : 36 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.038797 RENAME_VARIABLES(MILLISECONDS) : 0.129519 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.004259 PROJECTAWAY(MILLISECONDS) : 0.087204 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002185 DISJOIN(MILLISECONDS) : 0.475501 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.162124 ADD_EQUALITY(MILLISECONDS) : 0.049520 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.017769 #CONJOIN_DISJUNCTIVE : 41 #RENAME_VARIABLES : 74 #UNFREEZE : 0 #CONJOIN : 108 #PROJECTAWAY : 78 #ADD_WEAK_EQUALITY : 15 #DISJOIN : 6 #RENAME_VARIABLES_DISJUNCTIVE : 68 #ADD_EQUALITY : 54 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 10 - 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] FCALL data.p0 = malloc(37U) [L630] 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] FCALL data.p0 = malloc(37U) [L630] FCALL data.str.p2 = &data [L631] 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] FCALL data.p0 = malloc(37U) [L630] FCALL data.str.p2 = &data [L631] EXPR, FCALL data.p0 [L631] 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] FCALL data.p0 = malloc(37U) [L630] FCALL data.str.p2 = &data [L631] EXPR, FCALL data.p0 [L631] FCALL free(data.p0) - UnprovableResult [Line: 619]: 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: [L621-L628] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] EXPR, FCALL malloc(37U) [L629] FCALL data.p0 = malloc(37U) [L630] FCALL data.str.p2 = &data [L631] EXPR, FCALL data.p0 [L631] FCALL free(data.p0) [L632] return 0; [L632] return 0; - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-25-38-336.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-25-38-336.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-25-38-336.csv Received shutdown request...