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.epf -i ../../../trunk/examples/svcomp/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 13:54:14,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 13:54:14,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 13:54:14,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 13:54:14,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 13:54:14,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 13:54:14,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 13:54:14,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 13:54:14,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 13:54:14,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 13:54:14,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 13:54:14,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 13:54:14,050 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 13:54:14,051 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 13:54:14,052 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 13:54:14,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 13:54:14,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 13:54:14,059 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 13:54:14,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 13:54:14,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 13:54:14,065 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 13:54:14,071 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.epf [2018-01-24 13:54:14,081 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 13:54:14,082 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 13:54:14,083 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 13:54:14,083 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 13:54:14,083 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 13:54:14,083 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 13:54:14,084 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 13:54:14,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 13:54:14,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 13:54:14,085 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 13:54:14,085 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 13:54:14,085 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 13:54:14,085 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 13:54:14,086 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 13:54:14,086 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 13:54:14,086 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 13:54:14,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 13:54:14,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 13:54:14,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 13:54:14,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 13:54:14,087 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 13:54:14,087 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 13:54:14,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 13:54:14,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:54:14,088 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 13:54:14,088 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 13:54:14,088 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 13:54:14,089 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 13:54:14,089 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 13:54:14,089 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 13:54:14,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 13:54:14,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 13:54:14,090 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 13:54:14,090 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 13:54:14,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 13:54:14,140 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 13:54:14,144 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 13:54:14,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 13:54:14,146 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 13:54:14,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-01-24 13:54:14,319 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 13:54:14,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 13:54:14,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 13:54:14,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 13:54:14,330 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 13:54:14,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e47ad9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14, skipping insertion in model container [2018-01-24 13:54:14,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,351 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:54:14,391 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:54:14,506 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:54:14,521 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:54:14,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14 WrapperNode [2018-01-24 13:54:14,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 13:54:14,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 13:54:14,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 13:54:14,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 13:54:14,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 13:54:14,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 13:54:14,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 13:54:14,567 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 13:54:14,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:54:14" (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 13:54:14,611 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 13:54:14,611 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 13:54:14,611 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-01-24 13:54:14,611 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 13:54:14,611 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 13:54:14,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 13:54:14,809 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 13:54:14,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:54:14 BoogieIcfgContainer [2018-01-24 13:54:14,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 13:54:14,811 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 13:54:14,811 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 13:54:14,811 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 13:54:14,812 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:54:14" (1/1) ... [2018-01-24 13:54:14,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 13:54:22,904 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 13:54:22,923 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 13:54:22,928 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. [2018-01-24 13:54:22,930 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 13:54:22,931 INFO L168 Benchmark]: Toolchain (without parser) took 8611.09 ms. Allocated memory was 305.1 MB in the beginning and 1.0 GB in the end (delta: 703.1 MB). Free memory was 265.2 MB in the beginning and 366.1 MB in the end (delta: -100.9 MB). Peak memory consumption was 602.2 MB. Max. memory is 5.3 GB. [2018-01-24 13:54:22,931 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 305.1 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 13:54:22,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.18 ms. Allocated memory is still 305.1 MB. Free memory was 264.2 MB in the beginning and 254.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-24 13:54:22,932 INFO L168 Benchmark]: Boogie Preprocessor took 36.80 ms. Allocated memory is still 305.1 MB. Free memory was 254.1 MB in the beginning and 252.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:54:22,932 INFO L168 Benchmark]: RCFGBuilder took 243.99 ms. Allocated memory is still 305.1 MB. Free memory was 252.1 MB in the beginning and 234.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-24 13:54:22,932 INFO L168 Benchmark]: Abstract Interpretation took 8119.40 ms. Allocated memory was 305.1 MB in the beginning and 1.0 GB in the end (delta: 703.1 MB). Free memory was 234.5 MB in the beginning and 366.1 MB in the end (delta: -131.5 MB). Peak memory consumption was 571.6 MB. Max. memory is 5.3 GB. [2018-01-24 13:54:22,934 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 305.1 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 203.18 ms. Allocated memory is still 305.1 MB. Free memory was 264.2 MB in the beginning and 254.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.80 ms. Allocated memory is still 305.1 MB. Free memory was 254.1 MB in the beginning and 252.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 243.99 ms. Allocated memory is still 305.1 MB. Free memory was 252.1 MB in the beginning and 234.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 8119.40 ms. Allocated memory was 305.1 MB in the beginning and 1.0 GB in the end (delta: 703.1 MB). Free memory was 234.5 MB in the beginning and 366.1 MB in the end (delta: -131.5 MB). Peak memory consumption was 571.6 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) : 1.678084 RENAME_VARIABLES(MILLISECONDS) : 0.822616 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.631160 PROJECTAWAY(MILLISECONDS) : 3.308746 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.090275 DISJOIN(MILLISECONDS) : 0.527297 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.847746 ADD_EQUALITY(MILLISECONDS) : 0.036702 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.027415 #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.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_13-54-22-942.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.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_13-54-22-942.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.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_13-54-22-942.csv Received shutdown request...