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-0019_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:28:50,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:28:50,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:28:50,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:28:50,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:28:50,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:28:50,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:28:50,301 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:28:50,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:28:50,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:28:50,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:28:50,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:28:50,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:28:50,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:28:50,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:28:50,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:28:50,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:28:50,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:28:50,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:28:50,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:28:50,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:28:50,323 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:28:50,323 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:28:50,323 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 16:28:50,333 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:28:50,333 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:28:50,334 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:28:50,334 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:28:50,335 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:28:50,335 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:28:50,335 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:28:50,335 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:28:50,336 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:28:50,336 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:28:50,336 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:28:50,336 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:28:50,336 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:28:50,337 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:28:50,337 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:28:50,337 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:28:50,337 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:28:50,337 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:28:50,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:28:50,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:28:50,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:28:50,338 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:28:50,338 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:28:50,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:28:50,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:28:50,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:28:50,339 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:28:50,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:28:50,340 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:28:50,340 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:28:50,340 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:28:50,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:28:50,340 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:28:50,341 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:28:50,341 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:28:50,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:28:50,389 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:28:50,392 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:28:50,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:28:50,394 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:28:50,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i [2018-01-24 16:28:50,571 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:28:50,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:28:50,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:28:50,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:28:50,583 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:28:50,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cecf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50, skipping insertion in model container [2018-01-24 16:28:50,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,605 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:28:50,644 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:28:50,759 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:28:50,781 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:28:50,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50 WrapperNode [2018-01-24 16:28:50,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:28:50,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:28:50,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:28:50,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:28:50,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (1/1) ... [2018-01-24 16:28:50,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:28:50,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:28:50,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:28:50,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:28:50,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:28:50" (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 16:28:50,876 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:28:50,877 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:28:50,877 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-24 16:28:50,877 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-24 16:28:50,877 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:28:50,877 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:28:50,877 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:28:50,878 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:28:50,878 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:28:50,878 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:28:50,878 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:28:50,878 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:28:50,878 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:28:50,879 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:28:50,879 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-24 16:28:50,879 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-24 16:28:50,879 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:28:50,879 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:28:50,879 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:28:51,147 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:28:51,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:28:51 BoogieIcfgContainer [2018-01-24 16:28:51,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:28:51,149 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:28:51,149 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:28:51,149 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:28:51,150 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:28:51" (1/1) ... [2018-01-24 16:28:51,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:28:51,672 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:28:51,705 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:28:51,709 INFO L268 AbstractInterpreter]: Visited 63 different actions 67 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-01-24 16:28:51,711 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:28:51,712 INFO L168 Benchmark]: Toolchain (without parser) took 1140.22 ms. Allocated memory was 304.1 MB in the beginning and 329.8 MB in the end (delta: 25.7 MB). Free memory was 262.0 MB in the beginning and 267.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:51,713 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 304.1 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:28:51,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.19 ms. Allocated memory is still 304.1 MB. Free memory was 261.0 MB in the beginning and 250.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:51,714 INFO L168 Benchmark]: Boogie Preprocessor took 31.49 ms. Allocated memory is still 304.1 MB. Free memory was 250.8 MB in the beginning and 248.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:51,715 INFO L168 Benchmark]: RCFGBuilder took 325.43 ms. Allocated memory is still 304.1 MB. Free memory was 248.9 MB in the beginning and 227.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:28:51,715 INFO L168 Benchmark]: Abstract Interpretation took 562.77 ms. Allocated memory was 304.1 MB in the beginning and 329.8 MB in the end (delta: 25.7 MB). Free memory was 227.9 MB in the beginning and 267.3 MB in the end (delta: -39.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:28:51,718 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 304.1 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 212.19 ms. Allocated memory is still 304.1 MB. Free memory was 261.0 MB in the beginning and 250.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.49 ms. Allocated memory is still 304.1 MB. Free memory was 250.8 MB in the beginning and 248.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 325.43 ms. Allocated memory is still 304.1 MB. Free memory was 248.9 MB in the beginning and 227.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 562.77 ms. Allocated memory was 304.1 MB in the beginning and 329.8 MB in the end (delta: 25.7 MB). Free memory was 227.9 MB in the beginning and 267.3 MB in the end (delta: -39.4 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 : 57 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 600 LocStat_NO_SUPPORTING_DISEQUALITIES : 259 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 71 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 138 TransStat_NO_SUPPORTING_DISEQUALITIES : 33 TransStat_NO_DISJUNCTIONS : 87 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.053111 RENAME_VARIABLES(MILLISECONDS) : 0.116348 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.003775 PROJECTAWAY(MILLISECONDS) : 0.086635 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002038 DISJOIN(MILLISECONDS) : 0.696007 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.156531 ADD_EQUALITY(MILLISECONDS) : 0.042423 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.020125 #CONJOIN_DISJUNCTIVE : 101 #RENAME_VARIABLES : 191 #UNFREEZE : 0 #CONJOIN : 274 #PROJECTAWAY : 198 #ADD_WEAK_EQUALITY : 34 #DISJOIN : 20 #RENAME_VARIABLES_DISJUNCTIVE : 172 #ADD_EQUALITY : 140 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 22 - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] FCALL pdata->lo - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] FCALL pdata->hi - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] FCALL *(pdata->hi) = 8 - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] FCALL *(pdata->hi) = 8 - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] FCALL \read(*lo) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] FCALL \read(*lo) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] FCALL \read(*lo) [L634] FCALL \read(*hi) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] FCALL \read(*lo) [L634] FCALL \read(*hi) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] EXPR, FCALL \read(*lo) [L634] EXPR, FCALL \read(*hi) [L634] COND FALSE !(*lo > *hi) [L636] FCALL free(lo) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] EXPR, FCALL \read(*lo) [L634] EXPR, FCALL \read(*hi) [L634] COND FALSE !(*lo > *hi) [L636] FCALL free(lo) [L637] FCALL free(hi) - 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] EXPR, FCALL \read(*lo) [L634] EXPR, FCALL \read(*hi) [L634] COND FALSE !(*lo > *hi) [L636] FCALL free(lo) [L637] FCALL free(hi) - UnprovableResult [Line: 639]: 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: [L640] FCALL TData data; [L641] CALL alloc_data(&data) [L625] EXPR, FCALL malloc(sizeof(int)) [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) [L626] EXPR, FCALL malloc(sizeof(int)) [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) [L627] EXPR, FCALL pdata->lo [L627] FCALL *(pdata->lo) = 4 [L628] EXPR, FCALL pdata->hi [L628] RET, FCALL *(pdata->hi) = 8 [L641] alloc_data(&data) [L642] FCALL free_data(data) [L642] FCALL free_data(data) [L642] CALL free_data(data) [L632] int *lo = data.lo; [L633] int *hi = data.hi; [L634] EXPR, FCALL \read(*lo) [L634] EXPR, FCALL \read(*hi) [L634] COND TRUE, RET *lo > *hi [L642] free_data(data) [L643] return 0; [L643] 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 - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-28-51-731.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-28-51-731.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-28-51-731.csv Received shutdown request...