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/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/array-memsafety/count_down-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 15:04:30,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 15:04:30,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 15:04:30,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 15:04:30,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 15:04:30,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 15:04:30,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 15:04:30,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 15:04:30,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 15:04:30,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 15:04:30,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 15:04:30,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 15:04:30,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 15:04:30,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 15:04:30,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 15:04:30,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 15:04:30,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 15:04:30,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 15:04:30,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 15:04:30,713 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 15:04:30,715 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 15:04:30,722 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 15:04:30,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 15:04:30,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 15:04:30,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 15:04:30,732 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 15:04:30,732 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 15:04:30,732 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 15:04:30,732 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 15:04:30,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 15:04:30,733 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 15:04:30,733 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 15:04:30,733 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 15:04:30,733 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 15:04:30,733 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 15:04:30,734 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 15:04:30,734 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 15:04:30,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 15:04:30,735 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 15:04:30,735 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 15:04:30,735 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 15:04:30,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 15:04:30,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 15:04:30,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 15:04:30,737 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 15:04:30,737 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 15:04:30,737 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 15:04:30,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 15:04:30,782 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 15:04:30,785 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 15:04:30,786 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 15:04:30,787 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 15:04:30,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/count_down-alloca_true-valid-memsafety_true-termination.i [2018-01-23 15:04:30,966 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 15:04:30,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 15:04:30,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 15:04:30,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 15:04:30,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 15:04:30,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:04:30" (1/1) ... [2018-01-23 15:04:30,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcefd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:30, skipping insertion in model container [2018-01-23 15:04:30,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:04:30" (1/1) ... [2018-01-23 15:04:30,998 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 15:04:31,037 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 15:04:31,157 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 15:04:31,175 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 15:04:31,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31 WrapperNode [2018-01-23 15:04:31,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 15:04:31,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 15:04:31,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 15:04:31,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 15:04:31,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 15:04:31,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 15:04:31,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 15:04:31,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 15:04:31,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:04:31" (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 [2018-01-23 15:04:31,263 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 15:04:31,263 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 15:04:31,263 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 15:04:31,263 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 15:04:31,264 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 15:04:31,448 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 15:04:31,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:04:31 BoogieIcfgContainer [2018-01-23 15:04:31,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 15:04:31,449 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 15:04:31,449 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 15:04:31,449 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 15:04:31,450 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:04:31" (1/1) ... [2018-01-23 15:04:31,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 15:04:51,079 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 15:04:51,087 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:04:51,089 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:04:51,090 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:04:51,090 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 15:04:51,096 INFO L268 AbstractInterpreter]: Visited 44 different actions 439 times. Merged at 28 different actions 290 times. Widened at 5 different actions 26 times. Found 52 fixpoints after 10 different actions. Largest state had 26 variables. [2018-01-23 15:04:51,098 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 15:04:51,098 INFO L168 Benchmark]: Toolchain (without parser) took 20131.74 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 265.6 MB in the beginning and 855.0 MB in the end (delta: -589.4 MB). Peak memory consumption was 955.1 MB. Max. memory is 5.3 GB. [2018-01-23 15:04:51,099 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 305.7 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 15:04:51,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.54 ms. Allocated memory is still 305.7 MB. Free memory was 264.6 MB in the beginning and 254.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-23 15:04:51,099 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 305.7 MB. Free memory was 254.5 MB in the beginning and 253.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-23 15:04:51,100 INFO L168 Benchmark]: RCFGBuilder took 234.81 ms. Allocated memory is still 305.7 MB. Free memory was 253.5 MB in the beginning and 237.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 5.3 GB. [2018-01-23 15:04:51,100 INFO L168 Benchmark]: Abstract Interpretation took 19648.97 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 237.5 MB in the beginning and 855.0 MB in the end (delta: -617.5 MB). Peak memory consumption was 927.0 MB. Max. memory is 5.3 GB. [2018-01-23 15:04:51,101 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 305.7 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 210.54 ms. Allocated memory is still 305.7 MB. Free memory was 264.6 MB in the beginning and 254.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 305.7 MB. Free memory was 254.5 MB in the beginning and 253.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 234.81 ms. Allocated memory is still 305.7 MB. Free memory was 253.5 MB in the beginning and 237.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 19648.97 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 237.5 MB in the beginning and 855.0 MB in the end (delta: -617.5 MB). Peak memory consumption was 927.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 34 LocStat_MAX_WEQGRAPH_SIZE : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 308 LocStat_NO_SUPPORTING_DISEQUALITIES : 45 LocStat_NO_DISJUNCTIONS : -68 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 48 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 50 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 46 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.927564 RENAME_VARIABLES(MILLISECONDS) : 0.009686 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.807820 PROJECTAWAY(MILLISECONDS) : 8.276962 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.043866 DISJOIN(MILLISECONDS) : 0.501512 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.018972 ADD_EQUALITY(MILLISECONDS) : 0.022239 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007799 #CONJOIN_DISJUNCTIVE : 760 #RENAME_VARIABLES : 1493 #UNFREEZE : 0 #CONJOIN : 804 #PROJECTAWAY : 787 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 148 #RENAME_VARIABLES_DISJUNCTIVE : 1570 #ADD_EQUALITY : 51 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 - UnprovableResult [Line: 1]: 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: - UnprovableResult [Line: 1]: 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: [L541] int i, j; [L542] int val; [L543] int length = __VERIFIER_nondet_int(); [L544] COND TRUE length < 1 || length >= 2147483647 / sizeof(int) [L544] length = 1 [L545] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L545] int *arr = __builtin_alloca (length*sizeof(int)); [L546] COND FALSE !(!arr) [L547] i=0 [L547] COND FALSE !(i