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/bubblesort_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 13:49:40,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 13:49:40,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 13:49:40,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 13:49:40,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 13:49:40,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 13:49:40,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 13:49:40,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 13:49:40,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 13:49:40,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 13:49:40,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 13:49:40,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 13:49:40,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 13:49:40,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 13:49:40,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 13:49:40,909 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 13:49:40,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 13:49:40,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 13:49:40,915 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 13:49:40,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 13:49:40,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 13:49:40,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 13:49:40,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 13:49:40,925 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 13:49:40,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 13:49:40,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 13:49:40,934 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 13:49:40,934 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 13:49:40,934 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 13:49:40,935 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 13:49:40,935 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 13:49:40,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 13:49:40,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 13:49:40,935 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 13:49:40,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 13:49:40,936 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 13:49:40,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 13:49:40,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 13:49:40,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 13:49:40,937 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 13:49:40,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 13:49:40,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:49:40,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 13:49:40,938 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 13:49:40,938 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 13:49:40,938 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 13:49:40,938 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 13:49:40,938 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 13:49:40,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 13:49:40,939 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 13:49:40,939 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 13:49:40,939 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 13:49:40,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 13:49:40,983 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 13:49:40,986 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 13:49:40,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 13:49:40,988 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 13:49:40,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort_unsafe_false-valid-deref.i [2018-01-24 13:49:41,101 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 13:49:41,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 13:49:41,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 13:49:41,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 13:49:41,113 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 13:49:41,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747d9d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41, skipping insertion in model container [2018-01-24 13:49:41,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,131 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:49:41,145 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:49:41,262 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:49:41,278 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:49:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41 WrapperNode [2018-01-24 13:49:41,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 13:49:41,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 13:49:41,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 13:49:41,285 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 13:49:41,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 13:49:41,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 13:49:41,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 13:49:41,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 13:49:41,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:49:41" (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 13:49:41,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 13:49:41,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 13:49:41,356 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-01-24 13:49:41,356 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 13:49:41,356 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 13:49:41,356 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 13:49:41,356 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 13:49:41,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 13:49:41,357 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 13:49:41,357 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-01-24 13:49:41,357 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 13:49:41,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 13:49:41,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 13:49:41,545 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 13:49:41,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:49:41 BoogieIcfgContainer [2018-01-24 13:49:41,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 13:49:41,546 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 13:49:41,546 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 13:49:41,546 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 13:49:41,547 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:49:41" (1/1) ... [2018-01-24 13:49:41,601 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 13:49:45,383 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 13:49:45,403 INFO L268 AbstractInterpreter]: Visited 47 different actions 244 times. Merged at 26 different actions 130 times. Widened at 2 different actions 2 times. Found 31 fixpoints after 13 different actions. Largest state had 25 variables. [2018-01-24 13:49:45,406 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 13:49:45,407 INFO L168 Benchmark]: Toolchain (without parser) took 4304.90 ms. Allocated memory was 303.6 MB in the beginning and 659.0 MB in the end (delta: 355.5 MB). Free memory was 262.9 MB in the beginning and 392.3 MB in the end (delta: -129.4 MB). Peak memory consumption was 226.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:49:45,407 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 303.6 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 13:49:45,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.06 ms. Allocated memory is still 303.6 MB. Free memory was 262.9 MB in the beginning and 253.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-01-24 13:49:45,408 INFO L168 Benchmark]: Boogie Preprocessor took 26.79 ms. Allocated memory is still 303.6 MB. Free memory was 253.8 MB in the beginning and 252.8 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-24 13:49:45,408 INFO L168 Benchmark]: RCFGBuilder took 233.86 ms. Allocated memory is still 303.6 MB. Free memory was 252.8 MB in the beginning and 236.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB. [2018-01-24 13:49:45,409 INFO L168 Benchmark]: Abstract Interpretation took 3859.84 ms. Allocated memory was 303.6 MB in the beginning and 659.0 MB in the end (delta: 355.5 MB). Free memory was 236.0 MB in the beginning and 392.3 MB in the end (delta: -156.3 MB). Peak memory consumption was 199.1 MB. Max. memory is 5.3 GB. [2018-01-24 13:49:45,410 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 303.6 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 177.06 ms. Allocated memory is still 303.6 MB. Free memory was 262.9 MB in the beginning and 253.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.79 ms. Allocated memory is still 303.6 MB. Free memory was 253.8 MB in the beginning and 252.8 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 233.86 ms. Allocated memory is still 303.6 MB. Free memory was 252.8 MB in the beginning and 236.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3859.84 ms. Allocated memory was 303.6 MB in the beginning and 659.0 MB in the end (delta: 355.5 MB). Free memory was 236.0 MB in the beginning and 392.3 MB in the end (delta: -156.3 MB). Peak memory consumption was 199.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 36 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 217 LocStat_NO_SUPPORTING_DISEQUALITIES : 15 LocStat_NO_DISJUNCTIONS : -72 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 53 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 54 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 56 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.897877 RENAME_VARIABLES(MILLISECONDS) : 0.526760 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.874245 PROJECTAWAY(MILLISECONDS) : 1.644057 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.175459 DISJOIN(MILLISECONDS) : 0.531134 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.547290 ADD_EQUALITY(MILLISECONDS) : 0.027720 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.034267 #CONJOIN_DISJUNCTIVE : 421 #RENAME_VARIABLES : 902 #UNFREEZE : 0 #CONJOIN : 542 #PROJECTAWAY : 504 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 93 #RENAME_VARIABLES_DISJUNCTIVE : 864 #ADD_EQUALITY : 56 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] FCALL numbers[j-1] - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] FCALL numbers[j-1] - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] FCALL numbers[j-1] [L7] FCALL numbers[j] - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] EXPR, FCALL numbers[j-1] [L7] EXPR, FCALL numbers[j] [L7] COND TRUE numbers[j-1] > numbers[j] [L8] FCALL numbers[j-1] - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] EXPR, FCALL numbers[j-1] [L7] EXPR, FCALL numbers[j] [L7] COND TRUE numbers[j-1] > numbers[j] [L8] EXPR, FCALL numbers[j-1] [L8] temp = numbers[j-1] [L9] FCALL numbers[j] - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] EXPR, FCALL numbers[j-1] [L7] EXPR, FCALL numbers[j] [L7] COND TRUE numbers[j-1] > numbers[j] [L8] EXPR, FCALL numbers[j-1] [L8] temp = numbers[j-1] [L9] EXPR, FCALL numbers[j] [L9] FCALL numbers[j-1] = numbers[j] - 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: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) [L4] int i, j, temp; [L5] i = (array_size - 1) [L5] COND TRUE i >= 0 [L6] j = 1 [L6] COND TRUE j <= i [L7] EXPR, FCALL numbers[j-1] [L7] EXPR, FCALL numbers[j] [L7] COND TRUE numbers[j-1] > numbers[j] [L8] EXPR, FCALL numbers[j-1] [L8] temp = numbers[j-1] [L9] EXPR, FCALL numbers[j] [L9] FCALL numbers[j-1] = numbers[j] [L10] FCALL numbers[j] = temp - 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: 15]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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 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/bubblesort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_13-49-45-418.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_13-49-45-418.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_13-49-45-418.csv Received shutdown request...