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_precise.epf -i ../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 21:15:36,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 21:15:36,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 21:15:36,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 21:15:36,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 21:15:36,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 21:15:36,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 21:15:36,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 21:15:36,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 21:15:36,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 21:15:36,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 21:15:36,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 21:15:36,847 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 21:15:36,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 21:15:36,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 21:15:36,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 21:15:36,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 21:15:36,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 21:15:36,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 21:15:36,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 21:15:36,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 21:15:36,867 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_precise.epf [2018-01-24 21:15:36,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 21:15:36,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 21:15:36,878 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 21:15:36,878 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 21:15:36,878 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 21:15:36,879 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 21:15:36,879 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 21:15:36,879 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 21:15:36,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 21:15:36,880 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 21:15:36,880 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 21:15:36,880 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 21:15:36,880 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 21:15:36,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 21:15:36,881 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 21:15:36,881 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 21:15:36,881 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 21:15:36,881 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 21:15:36,882 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 21:15:36,882 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 21:15:36,882 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 21:15:36,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 21:15:36,882 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 21:15:36,882 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 21:15:36,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 21:15:36,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 21:15:36,883 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 21:15:36,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 21:15:36,883 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 21:15:36,884 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 21:15:36,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 21:15:36,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 21:15:36,884 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 21:15:36,885 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 21:15:36,885 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 21:15:36,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 21:15:36,936 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 21:15:36,940 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 21:15:36,942 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 21:15:36,942 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 21:15:36,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-01-24 21:15:37,125 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 21:15:37,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 21:15:37,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 21:15:37,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 21:15:37,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 21:15:37,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d63a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37, skipping insertion in model container [2018-01-24 21:15:37,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,165 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 21:15:37,205 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 21:15:37,326 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 21:15:37,341 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 21:15:37,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37 WrapperNode [2018-01-24 21:15:37,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 21:15:37,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 21:15:37,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 21:15:37,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 21:15:37,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 21:15:37,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 21:15:37,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 21:15:37,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 21:15:37,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 09:15:37" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 21:15:37,428 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 21:15:37,428 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 21:15:37,429 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-01-24 21:15:37,429 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 21:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 21:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 21:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 21:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 21:15:37,429 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 21:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 21:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-01-24 21:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 21:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 21:15:37,430 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 21:15:37,614 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 21:15:37,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 09:15:37 BoogieIcfgContainer [2018-01-24 21:15:37,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 21:15:37,646 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 21:15:37,646 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 21:15:37,647 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 21:15:37,648 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 09:15:37" (1/1) ... [2018-01-24 21:15:37,691 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 21:15:56,563 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 21:15:56,578 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 21:15:56,580 INFO L268 AbstractInterpreter]: Visited 42 different actions 233 times. Merged at 26 different actions 119 times. Never widened. Found 17 fixpoints after 5 different actions. Largest state had 24 variables. [2018-01-24 21:15:56,583 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 21:15:56,584 INFO L168 Benchmark]: Toolchain (without parser) took 19457.82 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 266.6 MB in the beginning and 680.3 MB in the end (delta: -413.7 MB). Peak memory consumption was 631.2 MB. Max. memory is 5.3 GB. [2018-01-24 21:15:56,585 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.7 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 21:15:56,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.51 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 255.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-24 21:15:56,586 INFO L168 Benchmark]: Boogie Preprocessor took 34.02 ms. Allocated memory is still 306.7 MB. Free memory was 255.5 MB in the beginning and 254.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 21:15:56,586 INFO L168 Benchmark]: RCFGBuilder took 262.47 ms. Allocated memory is still 306.7 MB. Free memory was 254.5 MB in the beginning and 238.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. [2018-01-24 21:15:56,586 INFO L168 Benchmark]: Abstract Interpretation took 18936.83 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 238.4 MB in the beginning and 680.3 MB in the end (delta: -441.9 MB). Peak memory consumption was 603.0 MB. Max. memory is 5.3 GB. [2018-01-24 21:15:56,588 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.7 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 215.51 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 255.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.02 ms. Allocated memory is still 306.7 MB. Free memory was 255.5 MB in the beginning and 254.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 262.47 ms. Allocated memory is still 306.7 MB. Free memory was 254.5 MB in the beginning and 238.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 18936.83 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 238.4 MB in the beginning and 680.3 MB in the end (delta: -441.9 MB). Peak memory consumption was 603.0 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 : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 262 LocStat_NO_SUPPORTING_DISEQUALITIES : 28 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 : 57 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 49 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.961775 RENAME_VARIABLES(MILLISECONDS) : 0.514769 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.933702 PROJECTAWAY(MILLISECONDS) : 30.495053 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.079205 DISJOIN(MILLISECONDS) : 0.393811 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.531895 ADD_EQUALITY(MILLISECONDS) : 0.024486 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012269 #CONJOIN_DISJUNCTIVE : 370 #RENAME_VARIABLES : 790 #UNFREEZE : 0 #CONJOIN : 488 #PROJECTAWAY : 447 #ADD_WEAK_EQUALITY : 6 #DISJOIN : 98 #RENAME_VARIABLES_DISJUNCTIVE : 766 #ADD_EQUALITY : 58 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 5 - 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: [L553] int array_size = __VERIFIER_nondet_int(); [L554] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L555] array_size = 1 [L557] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L557] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L558] CALL test_fun(numbers, array_size) [L542] int i; [L543] int res = 0; [L544] i = 0 [L544] COND TRUE i < N [L545] FCALL a[i] - 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: [L553] int array_size = __VERIFIER_nondet_int(); [L554] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L555] array_size = 1 [L557] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L557] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L558] CALL test_fun(numbers, array_size) [L542] int i; [L543] int res = 0; [L544] i = 0 [L544] COND TRUE i < N [L545] EXPR, FCALL a[i] [L545] COND TRUE a[i] > 0 [L546] FCALL a[i] - 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: [L553] int array_size = __VERIFIER_nondet_int(); [L554] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L555] array_size = 1 [L557] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L557] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L558] CALL test_fun(numbers, array_size) [L542] int i; [L543] int res = 0; [L544] i = 0 [L544] COND TRUE i < N [L545] EXPR, FCALL a[i] [L545] COND TRUE a[i] > 0 [L546] EXPR, FCALL a[i] [L546] a[i]-- - UnprovableResult [Line: 552]: 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: [L553] int array_size = __VERIFIER_nondet_int(); [L554] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L555] array_size = 1 [L557] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L557] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L558] CALL test_fun(numbers, array_size) [L542] int i; [L543] int res = 0; [L544] i = 0 [L544] COND FALSE !(i < N) [L550] RET return res; [L558] test_fun(numbers, array_size) - 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/array01-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_precise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_21-15-56-597.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array01-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_precise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_21-15-56-597.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array01-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_precise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_21-15-56-597.csv Received shutdown request...