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/list-ext-properties/test-0158_1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:28:34,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:28:34,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:28:34,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:28:34,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:28:34,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:28:34,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:28:34,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:28:34,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:28:34,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:28:34,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:28:34,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:28:34,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:28:34,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:28:34,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:28:34,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:28:34,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:28:34,873 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:28:34,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:28:34,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:28:34,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:28:34,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:28:34,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:28:34,885 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 16:28:34,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:28:34,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:28:34,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:28:34,896 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:28:34,896 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:28:34,896 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:28:34,897 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:28:34,897 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:28:34,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:28:34,898 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:28:34,898 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:28:34,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:28:34,898 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:28:34,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:28:34,898 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:28:34,899 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:28:34,899 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:28:34,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:28:34,899 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:28:34,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:28:34,900 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:28:34,900 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:28:34,900 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:28:34,900 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:28:34,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:28:34,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:28:34,901 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:28:34,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:28:34,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:28:34,901 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:28:34,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:28:34,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:28:34,902 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:28:34,903 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:28:34,903 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:28:34,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:28:34,951 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:28:34,955 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:28:34,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:28:34,957 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:28:34,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_false-valid-free.i [2018-01-24 16:28:35,150 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:28:35,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:28:35,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:28:35,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:28:35,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:28:35,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d68a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35, skipping insertion in model container [2018-01-24 16:28:35,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,185 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:28:35,225 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:28:35,340 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:28:35,357 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:28:35,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35 WrapperNode [2018-01-24 16:28:35,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:28:35,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:28:35,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:28:35,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:28:35,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:28:35,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:28:35,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:28:35,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:28:35,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:35" (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 16:28:35,461 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:28:35,461 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:28:35,461 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:28:35,461 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:28:35,461 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:28:35,461 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:28:35,461 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:28:35,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:28:35,658 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:28:35,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:28:35 BoogieIcfgContainer [2018-01-24 16:28:35,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:28:35,659 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:28:35,659 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:28:35,660 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:28:35,660 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:28:35" (1/1) ... [2018-01-24 16:28:35,711 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:28:36,349 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:28:36,368 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:28:36,371 INFO L268 AbstractInterpreter]: Visited 47 different actions 81 times. Merged at 17 different actions 27 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 27 variables. [2018-01-24 16:28:36,373 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:28:36,374 INFO L168 Benchmark]: Toolchain (without parser) took 1222.61 ms. Allocated memory was 306.2 MB in the beginning and 327.2 MB in the end (delta: 21.0 MB). Free memory was 266.1 MB in the beginning and 185.1 MB in the end (delta: 81.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:36,375 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 306.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:28:36,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.76 ms. Allocated memory is still 306.2 MB. Free memory was 265.1 MB in the beginning and 255.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:36,375 INFO L168 Benchmark]: Boogie Preprocessor took 30.93 ms. Allocated memory is still 306.2 MB. Free memory was 255.0 MB in the beginning and 253.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:36,376 INFO L168 Benchmark]: RCFGBuilder took 259.42 ms. Allocated memory is still 306.2 MB. Free memory was 253.0 MB in the beginning and 234.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:36,376 INFO L168 Benchmark]: Abstract Interpretation took 713.65 ms. Allocated memory was 306.2 MB in the beginning and 327.2 MB in the end (delta: 21.0 MB). Free memory was 234.9 MB in the beginning and 185.1 MB in the end (delta: 49.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:36,378 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 306.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 209.76 ms. Allocated memory is still 306.2 MB. Free memory was 265.1 MB in the beginning and 255.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.93 ms. Allocated memory is still 306.2 MB. Free memory was 255.0 MB in the beginning and 253.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 259.42 ms. Allocated memory is still 306.2 MB. Free memory was 253.0 MB in the beginning and 234.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 713.65 ms. Allocated memory was 306.2 MB in the beginning and 327.2 MB in the end (delta: 21.0 MB). Free memory was 234.9 MB in the beginning and 185.1 MB in the end (delta: 49.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 38 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 381 LocStat_NO_SUPPORTING_DISEQUALITIES : 183 LocStat_NO_DISJUNCTIONS : -76 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 51 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 94 TransStat_NO_SUPPORTING_DISEQUALITIES : 27 TransStat_NO_DISJUNCTIONS : 64 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.048262 RENAME_VARIABLES(MILLISECONDS) : 0.107499 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001852 PROJECTAWAY(MILLISECONDS) : 0.128565 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001975 DISJOIN(MILLISECONDS) : 0.881864 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.139226 ADD_EQUALITY(MILLISECONDS) : 0.036891 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.016930 #CONJOIN_DISJUNCTIVE : 135 #RENAME_VARIABLES : 287 #UNFREEZE : 0 #CONJOIN : 291 #PROJECTAWAY : 199 #ADD_WEAK_EQUALITY : 32 #DISJOIN : 30 #RENAME_VARIABLES_DISJUNCTIVE : 242 #ADD_EQUALITY : 97 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 19 - 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 - 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND TRUE __VERIFIER_nondet_int() [L633] FCALL data.str.p2 = 20 - 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] FCALL data.str.p2 - 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] EXPR, FCALL data.str.p2 [L637] COND TRUE 25 > data.str.p2 [L638] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] EXPR, FCALL data.str.p2 [L637] COND FALSE !(25 > data.str.p2) [L640] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] EXPR, FCALL data.str.p2 [L637] COND FALSE !(25 > data.str.p2) [L640] EXPR, FCALL data.p0 [L640] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] EXPR, FCALL data.str.p2 [L637] COND FALSE !(25 > data.str.p2) [L640] EXPR, FCALL data.p0 [L640] 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] EXPR, FCALL data.str.p2 [L637] COND FALSE !(25 > data.str.p2) [L640] EXPR, FCALL data.p0 [L640] FCALL free(data.p0) [L641] FCALL free(ptr) - UnprovableResult [Line: 620]: 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: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] EXPR, FCALL malloc(37U) [L630] FCALL data.p0 = malloc(37U) [L631] EXPR, FCALL data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 [L637] EXPR, FCALL data.str.p2 [L637] COND FALSE !(25 > data.str.p2) [L640] EXPR, FCALL data.p0 [L640] FCALL free(data.p0) [L641] FCALL free(ptr) [L642] return 0; [L642] 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]: free always succeeds For all program executions holds that free 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 - 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_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-28-36-390.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-28-36-390.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-28-36-390.csv Received shutdown request...