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_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:20:54,613 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:20:54,615 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:20:54,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:20:54,628 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:20:54,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:20:54,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:20:54,632 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:20:54,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:20:54,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:20:54,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:20:54,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:20:54,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:20:54,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:20:54,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:20:54,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:20:54,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:20:54,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:20:54,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:20:54,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:20:54,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:20:54,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:20:54,652 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:20:54,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:20:54,654 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:20:54,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:20:54,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:20:54,656 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:20:54,657 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:20:54,657 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:20:54,658 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:20:54,658 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_imprecise.epf [2018-01-24 16:20:54,668 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:20:54,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:20:54,669 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:20:54,669 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:20:54,670 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:20:54,670 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:20:54,670 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:20:54,670 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:20:54,671 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:20:54,671 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:20:54,671 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:20:54,672 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:20:54,672 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:20:54,672 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:20:54,672 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:20:54,672 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:20:54,672 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:20:54,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:20:54,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:20:54,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:20:54,673 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:20:54,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:20:54,674 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:20:54,674 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:20:54,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:20:54,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:20:54,675 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:20:54,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:20:54,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:20:54,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:20:54,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:20:54,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:20:54,676 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:20:54,677 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:20:54,677 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:20:54,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:20:54,724 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:20:54,728 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:20:54,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:20:54,730 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:20:54,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i [2018-01-24 16:20:54,851 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:20:54,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:20:54,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:20:54,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:20:54,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:20:54,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:20:54" (1/1) ... [2018-01-24 16:20:54,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bdfea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:54, skipping insertion in model container [2018-01-24 16:20:54,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:20:54" (1/1) ... [2018-01-24 16:20:54,881 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:20:54,896 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:20:55,004 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:20:55,019 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:20:55,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55 WrapperNode [2018-01-24 16:20:55,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:20:55,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:20:55,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:20:55,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:20:55,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:20:55,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:20:55,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:20:55,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:20:55,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:20:55" (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 16:20:55,109 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:20:55,109 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:20:55,110 INFO L136 BoogieDeclarations]: Found implementation of procedure diff [2018-01-24 16:20:55,110 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:20:55,110 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:20:55,110 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:20:55,110 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:20:55,110 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:20:55,110 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:20:55,111 INFO L128 BoogieDeclarations]: Found specification of procedure diff [2018-01-24 16:20:55,111 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:20:55,111 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:20:55,111 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:20:55,303 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:20:55,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:20:55 BoogieIcfgContainer [2018-01-24 16:20:55,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:20:55,304 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:20:55,304 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:20:55,305 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:20:55,306 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:20:55" (1/1) ... [2018-01-24 16:20:55,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:20:56,151 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:20:56,174 INFO L268 AbstractInterpreter]: Visited 41 different actions 139 times. Merged at 25 different actions 68 times. Widened at 1 different actions 1 times. Found 26 fixpoints after 15 different actions. Largest state had 38 variables. [2018-01-24 16:20:56,176 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:20:56,178 INFO L168 Benchmark]: Toolchain (without parser) took 1326.08 ms. Allocated memory was 306.7 MB in the beginning and 358.1 MB in the end (delta: 51.4 MB). Free memory was 265.6 MB in the beginning and 268.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 5.3 GB. [2018-01-24 16:20:56,179 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.7 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:20:56,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.34 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 255.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:20:56,179 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 ms. Allocated memory is still 306.7 MB. Free memory was 255.7 MB in the beginning and 253.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:20:56,180 INFO L168 Benchmark]: RCFGBuilder took 241.79 ms. Allocated memory is still 306.7 MB. Free memory was 253.7 MB in the beginning and 238.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:20:56,180 INFO L168 Benchmark]: Abstract Interpretation took 872.25 ms. Allocated memory was 306.7 MB in the beginning and 358.1 MB in the end (delta: 51.4 MB). Free memory was 238.7 MB in the beginning and 268.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:20:56,181 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.7 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.34 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 255.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.38 ms. Allocated memory is still 306.7 MB. Free memory was 255.7 MB in the beginning and 253.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 241.79 ms. Allocated memory is still 306.7 MB. Free memory was 253.7 MB in the beginning and 238.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 872.25 ms. Allocated memory was 306.7 MB in the beginning and 358.1 MB in the end (delta: 51.4 MB). Free memory was 238.7 MB in the beginning and 268.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 21.6 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 : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 364 LocStat_NO_SUPPORTING_DISEQUALITIES : 16 LocStat_NO_DISJUNCTIONS : -68 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 47 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 64 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 49 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.404161 RENAME_VARIABLES(MILLISECONDS) : 0.512368 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.350401 PROJECTAWAY(MILLISECONDS) : 0.280978 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001112 DISJOIN(MILLISECONDS) : 0.535766 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.555892 ADD_EQUALITY(MILLISECONDS) : 0.057828 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.017236 #CONJOIN_DISJUNCTIVE : 226 #RENAME_VARIABLES : 470 #UNFREEZE : 0 #CONJOIN : 311 #PROJECTAWAY : 295 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 48 #RENAME_VARIABLES_DISJUNCTIVE : 448 #ADD_EQUALITY : 65 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 - 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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND TRUE j < l2 && !found [L13] 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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND TRUE j < l2 && !found [L13] 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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND FALSE !(j < l2 && !found) [L19] COND TRUE !found [L20] 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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND FALSE !(j < l2 && !found) [L19] COND TRUE !found [L20] 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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND TRUE j < l2 && !found [L13] FCALL A[i] [L13] FCALL B[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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND TRUE j < l2 && !found [L13] FCALL A[i] [L13] FCALL B[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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND FALSE !(j < l2 && !found) [L19] COND TRUE !found [L20] EXPR, FCALL A[i] [L20] FCALL D[k] = 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: [L27] int *A; [L28] int Alen = __VERIFIER_nondet_int(); [L29] int *B; [L30] int Blen = __VERIFIER_nondet_int(); [L31] int *D; [L32] CALL diff(A, Alen, B, Blen, D) [L4] int k = 0; [L5] int i = 0; [L6] int l1 = Alen; [L7] int l2 = Blen; [L8] int found; [L9] COND TRUE i < l1 [L10] int j = 0; [L11] found = 0 [L12] COND FALSE !(j < l2 && !found) [L19] COND TRUE !found [L20] EXPR, FCALL A[i] [L20] FCALL D[k] = A[i] - PositiveResult [Line: 26]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-20-56-190.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-20-56-190.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-20-56-190.csv Received shutdown request...