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/array02-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:01:45,712 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:01:45,714 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:01:45,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:01:45,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:01:45,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:01:45,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:01:45,732 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:01:45,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:01:45,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:01:45,736 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:01:45,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:01:45,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:01:45,739 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:01:45,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:01:45,742 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:01:45,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:01:45,746 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:01:45,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:01:45,749 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:01:45,752 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:01:45,758 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 04:01:45,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:01:45,769 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:01:45,770 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:01:45,770 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:01:45,770 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:01:45,770 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:01:45,770 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:01:45,771 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:01:45,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:01:45,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:01:45,772 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:01:45,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:01:45,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:01:45,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:01:45,773 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:01:45,773 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:01:45,773 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:01:45,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:01:45,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:01:45,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:01:45,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:01:45,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:01:45,774 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:01:45,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:01:45,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:01:45,775 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:01:45,775 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:01:45,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:01:45,775 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:01:45,775 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:01:45,776 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:01:45,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:01:45,776 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:01:45,777 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:01:45,777 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:01:45,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:01:45,826 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:01:45,833 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:01:45,835 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:01:45,836 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:01:45,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-01-25 04:01:46,113 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:01:46,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:01:46,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:01:46,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:01:46,127 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:01:46,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,131 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 04:01:46, skipping insertion in model container [2018-01-25 04:01:46,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,150 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:01:46,191 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:01:46,309 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:01:46,331 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:01:46,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46 WrapperNode [2018-01-25 04:01:46,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:01:46,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:01:46,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:01:46,340 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:01:46,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:01:46,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:01:46,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:01:46,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:01:46,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:01:46" (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 04:01:46,415 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:01:46,415 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:01:46,415 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-01-25 04:01:46,416 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:01:46,416 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:01:46,417 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:01:46,632 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:01:46,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:01:46 BoogieIcfgContainer [2018-01-25 04:01:46,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:01:46,633 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:01:46,633 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:01:46,633 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:01:46,634 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:01:46" (1/1) ... [2018-01-25 04:01:46,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:01:55,051 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:01:55,070 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:01:55,077 INFO L268 AbstractInterpreter]: Visited 55 different actions 525 times. Merged at 35 different actions 274 times. Widened at 1 different actions 2 times. Found 59 fixpoints after 12 different actions. Largest state had 28 variables. [2018-01-25 04:01:55,080 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:01:55,081 INFO L168 Benchmark]: Toolchain (without parser) took 8967.75 ms. Allocated memory was 299.9 MB in the beginning and 1.2 GB in the end (delta: 898.6 MB). Free memory was 260.0 MB in the beginning and 1.1 GB in the end (delta: -808.8 MB). Peak memory consumption was 89.8 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:55,082 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 299.9 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 04:01:55,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.64 ms. Allocated memory is still 299.9 MB. Free memory was 259.0 MB in the beginning and 248.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:55,083 INFO L168 Benchmark]: Boogie Preprocessor took 27.95 ms. Allocated memory is still 299.9 MB. Free memory was 248.9 MB in the beginning and 246.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:55,083 INFO L168 Benchmark]: RCFGBuilder took 264.08 ms. Allocated memory is still 299.9 MB. Free memory was 246.9 MB in the beginning and 229.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:55,084 INFO L168 Benchmark]: Abstract Interpretation took 8447.34 ms. Allocated memory was 299.9 MB in the beginning and 1.2 GB in the end (delta: 898.6 MB). Free memory was 229.3 MB in the beginning and 1.1 GB in the end (delta: -839.5 MB). Peak memory consumption was 59.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:01:55,085 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 299.9 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 218.64 ms. Allocated memory is still 299.9 MB. Free memory was 259.0 MB in the beginning and 248.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.95 ms. Allocated memory is still 299.9 MB. Free memory was 248.9 MB in the beginning and 246.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 264.08 ms. Allocated memory is still 299.9 MB. Free memory was 246.9 MB in the beginning and 229.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 8447.34 ms. Allocated memory was 299.9 MB in the beginning and 1.2 GB in the end (delta: 898.6 MB). Free memory was 229.3 MB in the beginning and 1.1 GB in the end (delta: -839.5 MB). Peak memory consumption was 59.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 42 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 341 LocStat_NO_SUPPORTING_DISEQUALITIES : 36 LocStat_NO_DISJUNCTIONS : -84 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 61 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 71 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 64 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.046854 RENAME_VARIABLES(MILLISECONDS) : 0.509718 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.024233 PROJECTAWAY(MILLISECONDS) : 2.009858 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.100473 DISJOIN(MILLISECONDS) : 0.338557 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.525624 ADD_EQUALITY(MILLISECONDS) : 0.033135 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.028334 #CONJOIN_DISJUNCTIVE : 896 #RENAME_VARIABLES : 1917 #UNFREEZE : 0 #CONJOIN : 1110 #PROJECTAWAY : 978 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 225 #RENAME_VARIABLES_DISJUNCTIVE : 1841 #ADD_EQUALITY : 73 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND TRUE i < N [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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND TRUE i < N [L546] EXPR, FCALL a[i] [L546] COND TRUE a[i] < 0 [L547] FCALL a[i] - UnprovableResult [Line: 556]: 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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND FALSE, RET !(i < N) [L562] test_fun(numbers, array_size) - 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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND TRUE i < N [L546] EXPR, FCALL a[i] [L546] COND FALSE !(a[i] < 0) [L550] 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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND TRUE i < N [L546] EXPR, FCALL a[i] [L546] COND TRUE a[i] < 0 [L547] EXPR, FCALL a[i] [L547] 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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND TRUE i < N [L546] EXPR, FCALL a[i] [L546] COND FALSE !(a[i] < 0) [L550] EXPR, FCALL a[i] [L550] COND TRUE a[i] > 0 [L551] 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: [L557] int array_size = __VERIFIER_nondet_int(); [L558] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L559] array_size = 1 [L561] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L561] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L562] CALL test_fun(numbers, array_size) [L542] int i; [L543] int pos = 0; [L544] int neg = 0; [L545] i = 0 [L545] COND TRUE i < N [L546] EXPR, FCALL a[i] [L546] COND FALSE !(a[i] < 0) [L550] EXPR, FCALL a[i] [L550] COND TRUE a[i] > 0 [L551] EXPR, FCALL a[i] [L551] a[i]-- - 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]: 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/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-01-55-096.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-01-55-096.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-01-55-096.csv Received shutdown request...