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_preciseopt.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 01:46:18,369 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 01:46:18,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 01:46:18,388 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 01:46:18,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 01:46:18,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 01:46:18,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 01:46:18,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 01:46:18,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 01:46:18,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 01:46:18,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 01:46:18,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 01:46:18,400 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 01:46:18,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 01:46:18,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 01:46:18,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 01:46:18,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 01:46:18,414 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 01:46:18,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 01:46:18,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 01:46:18,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 01:46:18,425 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_preciseopt.epf [2018-01-25 01:46:18,439 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 01:46:18,439 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 01:46:18,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 01:46:18,440 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 01:46:18,440 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 01:46:18,441 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 01:46:18,441 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 01:46:18,441 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 01:46:18,441 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 01:46:18,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 01:46:18,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 01:46:18,452 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 01:46:18,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 01:46:18,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 01:46:18,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 01:46:18,452 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 01:46:18,453 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 01:46:18,453 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 01:46:18,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 01:46:18,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 01:46:18,453 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 01:46:18,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 01:46:18,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 01:46:18,454 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 01:46:18,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 01:46:18,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 01:46:18,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 01:46:18,455 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 01:46:18,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 01:46:18,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 01:46:18,456 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 01:46:18,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 01:46:18,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 01:46:18,456 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 01:46:18,457 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 01:46:18,457 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 01:46:18,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 01:46:18,532 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 01:46:18,539 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 01:46:18,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 01:46:18,543 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 01:46:18,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c [2018-01-25 01:46:18,721 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 01:46:18,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 01:46:18,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 01:46:18,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 01:46:18,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 01:46:18,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:18,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5962a729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18, skipping insertion in model container [2018-01-25 01:46:18,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:18,763 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 01:46:18,785 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 01:46:18,947 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 01:46:18,969 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 01:46:18,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18 WrapperNode [2018-01-25 01:46:18,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 01:46:18,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 01:46:18,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 01:46:18,981 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 01:46:19,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (1/1) ... [2018-01-25 01:46:19,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 01:46:19,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 01:46:19,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 01:46:19,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 01:46:19,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 01:46:18" (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 [2018-01-25 01:46:19,079 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 01:46:19,079 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 01:46:19,079 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-25 01:46:19,079 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 01:46:19,079 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 01:46:19,080 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 01:46:19,081 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 01:46:19,364 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 01:46:19,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 01:46:19 BoogieIcfgContainer [2018-01-25 01:46:19,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 01:46:19,365 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 01:46:19,365 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 01:46:19,366 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 01:46:19,367 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 01:46:19" (1/1) ... [2018-01-25 01:46:19,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 01:46:25,824 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 01:46:25,844 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 01:46:25,852 INFO L268 AbstractInterpreter]: Visited 52 different actions 236 times. Merged at 38 different actions 130 times. Never widened. Found 14 fixpoints after 7 different actions. Largest state had 21 variables. [2018-01-25 01:46:25,856 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 01:46:25,857 INFO L168 Benchmark]: Toolchain (without parser) took 7134.90 ms. Allocated memory was 308.3 MB in the beginning and 778.0 MB in the end (delta: 469.8 MB). Free memory was 269.2 MB in the beginning and 606.2 MB in the end (delta: -337.1 MB). Peak memory consumption was 132.7 MB. Max. memory is 5.3 GB. [2018-01-25 01:46:25,858 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 308.3 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 01:46:25,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.63 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 259.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-25 01:46:25,859 INFO L168 Benchmark]: Boogie Preprocessor took 46.35 ms. Allocated memory is still 308.3 MB. Free memory was 259.1 MB in the beginning and 257.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-25 01:46:25,859 INFO L168 Benchmark]: RCFGBuilder took 339.17 ms. Allocated memory is still 308.3 MB. Free memory was 257.2 MB in the beginning and 242.2 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-25 01:46:25,859 INFO L168 Benchmark]: Abstract Interpretation took 6490.65 ms. Allocated memory was 308.3 MB in the beginning and 778.0 MB in the end (delta: 469.8 MB). Free memory was 242.2 MB in the beginning and 606.2 MB in the end (delta: -364.1 MB). Peak memory consumption was 105.7 MB. Max. memory is 5.3 GB. [2018-01-25 01:46:25,862 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 308.3 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 248.63 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 259.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 46.35 ms. Allocated memory is still 308.3 MB. Free memory was 259.1 MB in the beginning and 257.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 339.17 ms. Allocated memory is still 308.3 MB. Free memory was 257.2 MB in the beginning and 242.2 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 6490.65 ms. Allocated memory was 308.3 MB in the beginning and 778.0 MB in the end (delta: 469.8 MB). Free memory was 242.2 MB in the beginning and 606.2 MB in the end (delta: -364.1 MB). Peak memory consumption was 105.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 44 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 289 LocStat_NO_SUPPORTING_DISEQUALITIES : 82 LocStat_NO_DISJUNCTIONS : -88 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 58 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 53 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.784280 RENAME_VARIABLES(MILLISECONDS) : 0.223175 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.747138 PROJECTAWAY(MILLISECONDS) : 0.426833 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.092995 DISJOIN(MILLISECONDS) : 0.218524 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.246824 ADD_EQUALITY(MILLISECONDS) : 1.309193 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.038434 #CONJOIN_DISJUNCTIVE : 351 #RENAME_VARIABLES : 793 #UNFREEZE : 0 #CONJOIN : 502 #PROJECTAWAY : 508 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 98 #RENAME_VARIABLES_DISJUNCTIVE : 788 #ADD_EQUALITY : 53 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 - UnprovableResult [Line: 26]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L22] int i, b[100]; [L23] unsigned char buffer[32]; [L24] FCALL char mask[32]; [L25] i = 0 [L25] COND TRUE i < sizeof(mask) [L26] b[i] - UnprovableResult [Line: 29]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L22] int i, b[100]; [L23] unsigned char buffer[32]; [L24] FCALL char mask[32]; [L25] i = 0 [L25] COND FALSE !(i < sizeof(mask)) [L28] i = 0 [L28] COND TRUE i < sizeof(mask) [L29] b[i] - UnprovableResult [Line: 16]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L22] int i, b[100]; [L23] unsigned char buffer[32]; [L24] FCALL char mask[32]; [L25] i = 0 [L25] COND TRUE i < sizeof(mask) [L26] b[i] [L26] CALL foo(32, mask) [L13] char a[32]; [L14] int i; [L15] i=0 [L15] COND TRUE i