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_smtcomp.epf -i ../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:01:39,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:01:39,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:01:39,718 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:01:39,719 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:01:39,720 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:01:39,721 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:01:39,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:01:39,725 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:01:39,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:01:39,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:01:39,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:01:39,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:01:39,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:01:39,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:01:39,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:01:39,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:01:39,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:01:39,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:01:39,740 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:01:39,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:01:39,749 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_smtcomp.epf [2018-01-25 04:01:39,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:01:39,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:01:39,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:01:39,760 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:01:39,760 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:01:39,761 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:01:39,761 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:01:39,761 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:01:39,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:01:39,762 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:01:39,762 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:01:39,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:01:39,762 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:01:39,763 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:01:39,763 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:01:39,763 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:01:39,763 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:01:39,763 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:01:39,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:01:39,764 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:01:39,764 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:01:39,764 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:01:39,764 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:01:39,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:01:39,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:01:39,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:01:39,765 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:01:39,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:01:39,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:01:39,766 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:01:39,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:01:39,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:01:39,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:01:39,767 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:01:39,767 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:01:39,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:01:39,817 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:01:39,822 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:01:39,823 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:01:39,824 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:01:39,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-01-25 04:01:40,031 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:01:40,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:01:40,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:01:40,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:01:40,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:01:40,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1365a45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40, skipping insertion in model container [2018-01-25 04:01:40,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,070 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:01:40,113 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:01:40,238 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:01:40,253 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:01:40,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40 WrapperNode [2018-01-25 04:01:40,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:01:40,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:01:40,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:01:40,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:01:40,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:01:40,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:01:40,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:01:40,300 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:01:40,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:40" (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 04:01:40,347 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:01:40,348 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:01:40,348 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-01-25 04:01:40,348 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:01:40,348 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 04:01:40,348 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 04:01:40,349 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:01:40,349 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:01:40,349 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:01:40,349 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 04:01:40,349 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-01-25 04:01:40,349 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:01:40,350 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:01:40,350 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:01:40,575 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:01:40,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:01:40 BoogieIcfgContainer [2018-01-25 04:01:40,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:01:40,577 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:01:40,577 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:01:40,578 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:01:40,579 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:01:40" (1/1) ... [2018-01-25 04:01:40,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:01:43,681 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:01:43,701 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:01:43,736 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. [2018-01-25 04:01:43,739 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:01:43,740 INFO L168 Benchmark]: Toolchain (without parser) took 3708.51 ms. Allocated memory was 304.1 MB in the beginning and 591.4 MB in the end (delta: 287.3 MB). Free memory was 264.0 MB in the beginning and 335.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 216.0 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:43,741 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-01-25 04:01:43,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.75 ms. Allocated memory is still 304.1 MB. Free memory was 263.0 MB in the beginning and 252.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:43,741 INFO L168 Benchmark]: Boogie Preprocessor took 38.88 ms. Allocated memory is still 304.1 MB. Free memory was 252.8 MB in the beginning and 251.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-25 04:01:43,742 INFO L168 Benchmark]: RCFGBuilder took 276.75 ms. Allocated memory is still 304.1 MB. Free memory was 251.8 MB in the beginning and 235.5 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:43,742 INFO L168 Benchmark]: Abstract Interpretation took 3161.60 ms. Allocated memory was 304.1 MB in the beginning and 591.4 MB in the end (delta: 287.3 MB). Free memory was 235.5 MB in the beginning and 335.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 187.5 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:43,744 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 221.75 ms. Allocated memory is still 304.1 MB. Free memory was 263.0 MB in the beginning and 252.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.88 ms. Allocated memory is still 304.1 MB. Free memory was 252.8 MB in the beginning and 251.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 276.75 ms. Allocated memory is still 304.1 MB. Free memory was 251.8 MB in the beginning and 235.5 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3161.60 ms. Allocated memory was 304.1 MB in the beginning and 591.4 MB in the end (delta: 287.3 MB). Free memory was 235.5 MB in the beginning and 335.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 187.5 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) : 2.057364 RENAME_VARIABLES(MILLISECONDS) : 0.988114 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.009923 PROJECTAWAY(MILLISECONDS) : 3.454123 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.081693 DISJOIN(MILLISECONDS) : 0.722379 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 1.024419 ADD_EQUALITY(MILLISECONDS) : 0.054964 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012626 #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_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-01-43-754.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_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-01-43-754.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_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-01-43-754.csv Received shutdown request...