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/diff-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:05:57,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:05:57,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:05:57,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:05:57,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:05:57,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:05:57,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:05:57,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:05:57,597 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:05:57,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:05:57,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:05:57,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:05:57,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:05:57,601 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:05:57,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:05:57,605 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:05:57,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:05:57,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:05:57,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:05:57,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:05:57,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:05:57,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 04:05:57,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 04:05:57,621 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 04:05:57,631 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:05:57,632 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:05:57,633 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:05:57,633 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:05:57,633 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:05:57,633 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:05:57,634 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:05:57,634 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:05:57,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:05:57,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:05:57,635 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:05:57,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:05:57,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:05:57,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:05:57,636 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:05:57,636 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:05:57,636 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:05:57,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:05:57,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:05:57,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:05:57,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:05:57,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:05:57,637 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:05:57,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:05:57,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:05:57,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:05:57,638 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:05:57,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:05:57,639 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:05:57,639 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:05:57,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:05:57,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:05:57,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:05:57,640 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:05:57,640 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:05:57,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:05:57,690 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:05:57,694 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:05:57,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:05:57,696 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:05:57,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/diff-alloca_true-valid-memsafety_true-termination.i [2018-01-25 04:05:57,980 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:05:57,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:05:57,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:05:57,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:05:57,992 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:05:57,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:05:57" (1/1) ... [2018-01-25 04:05:57,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a59f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:57, skipping insertion in model container [2018-01-25 04:05:57,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:05:57" (1/1) ... [2018-01-25 04:05:58,014 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:05:58,055 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:05:58,182 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:05:58,201 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:05:58,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58 WrapperNode [2018-01-25 04:05:58,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:05:58,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:05:58,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:05:58,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:05:58,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:05:58,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:05:58,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:05:58,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:05:58,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:05:58" (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 04:05:58,306 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:05:58,306 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:05:58,307 INFO L136 BoogieDeclarations]: Found implementation of procedure diff [2018-01-25 04:05:58,307 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:05:58,307 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 04:05:58,307 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 04:05:58,307 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:05:58,307 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:05:58,308 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:05:58,308 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 04:05:58,308 INFO L128 BoogieDeclarations]: Found specification of procedure diff [2018-01-25 04:05:58,308 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:05:58,308 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:05:58,308 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:05:58,550 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:05:58,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:05:58 BoogieIcfgContainer [2018-01-25 04:05:58,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:05:58,552 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:05:58,552 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:05:58,552 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:05:58,553 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:05:58" (1/1) ... [2018-01-25 04:05:58,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:06:13,424 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:06:13,443 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:06:13,446 INFO L268 AbstractInterpreter]: Visited 57 different actions 682 times. Merged at 40 different actions 357 times. Widened at 2 different actions 7 times. Found 93 fixpoints after 12 different actions. Largest state had 38 variables. [2018-01-25 04:06:13,449 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:06:13,450 INFO L168 Benchmark]: Toolchain (without parser) took 15469.34 ms. Allocated memory was 308.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 266.7 MB in the beginning and 929.6 MB in the end (delta: -662.9 MB). Peak memory consumption was 375.7 MB. Max. memory is 5.3 GB. [2018-01-25 04:06:13,450 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 308.8 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 04:06:13,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.91 ms. Allocated memory is still 308.8 MB. Free memory was 265.7 MB in the beginning and 255.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 5.3 GB. [2018-01-25 04:06:13,451 INFO L168 Benchmark]: Boogie Preprocessor took 39.24 ms. Allocated memory is still 308.8 MB. Free memory was 255.4 MB in the beginning and 253.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:06:13,451 INFO L168 Benchmark]: RCFGBuilder took 302.51 ms. Allocated memory is still 308.8 MB. Free memory was 253.3 MB in the beginning and 234.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-01-25 04:06:13,451 INFO L168 Benchmark]: Abstract Interpretation took 14897.25 ms. Allocated memory was 308.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 234.3 MB in the beginning and 929.6 MB in the end (delta: -695.3 MB). Peak memory consumption was 343.3 MB. Max. memory is 5.3 GB. [2018-01-25 04:06:13,453 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 308.8 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 221.91 ms. Allocated memory is still 308.8 MB. Free memory was 265.7 MB in the beginning and 255.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.24 ms. Allocated memory is still 308.8 MB. Free memory was 255.4 MB in the beginning and 253.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 302.51 ms. Allocated memory is still 308.8 MB. Free memory was 253.3 MB in the beginning and 234.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 14897.25 ms. Allocated memory was 308.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 234.3 MB in the beginning and 929.6 MB in the end (delta: -695.3 MB). Peak memory consumption was 343.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 45 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 749 LocStat_NO_SUPPORTING_DISEQUALITIES : 201 LocStat_NO_DISJUNCTIONS : -90 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 63 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 96 TransStat_NO_SUPPORTING_DISEQUALITIES : 14 TransStat_NO_DISJUNCTIONS : 66 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 5.371359 RENAME_VARIABLES(MILLISECONDS) : 0.005327 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 4.709114 PROJECTAWAY(MILLISECONDS) : 10.785991 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.063658 DISJOIN(MILLISECONDS) : 0.422402 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.019453 ADD_EQUALITY(MILLISECONDS) : 0.018532 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007025 #CONJOIN_DISJUNCTIVE : 1195 #RENAME_VARIABLES : 2635 #UNFREEZE : 0 #CONJOIN : 1601 #PROJECTAWAY : 1416 #ADD_WEAK_EQUALITY : 12 #DISJOIN : 340 #RENAME_VARIABLES_DISJUNCTIVE : 2549 #ADD_EQUALITY : 97 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 11 - 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: [L565] int Alen = __VERIFIER_nondet_int(); [L566] int Blen = __VERIFIER_nondet_int(); [L567] COND FALSE !(Alen < 1 || Alen >= 2147483647 / sizeof(int)) [L570] COND TRUE Blen < 1 || Blen >= 2147483647 / sizeof(int) [L571] Blen = 1 [L573] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L573] int* A = (int*) __builtin_alloca (Alen * sizeof(int)); [L574] EXPR, FCALL __builtin_alloca (Blen * sizeof(int)) [L574] int* B = (int*) __builtin_alloca (Blen * sizeof(int)); [L575] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L575] int* D = (int*) __builtin_alloca (Alen * sizeof(int)); [L576] CALL diff(A, Alen, B, Blen, D) [L542] int k = 0; [L543] int i = 0; [L544] int l1 = Alen; [L545] int l2 = Blen; [L546] int found; [L547] COND TRUE i < l1 [L548] int j = 0; [L549] found = 0 [L550] COND TRUE j < l2 && !found [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: [L565] int Alen = __VERIFIER_nondet_int(); [L566] int Blen = __VERIFIER_nondet_int(); [L567] COND FALSE !(Alen < 1 || Alen >= 2147483647 / sizeof(int)) [L570] COND TRUE Blen < 1 || Blen >= 2147483647 / sizeof(int) [L571] Blen = 1 [L573] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L573] int* A = (int*) __builtin_alloca (Alen * sizeof(int)); [L574] EXPR, FCALL __builtin_alloca (Blen * sizeof(int)) [L574] int* B = (int*) __builtin_alloca (Blen * sizeof(int)); [L575] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L575] int* D = (int*) __builtin_alloca (Alen * sizeof(int)); [L576] CALL diff(A, Alen, B, Blen, D) [L542] int k = 0; [L543] int i = 0; [L544] int l1 = Alen; [L545] int l2 = Blen; [L546] int found; [L547] COND TRUE i < l1 [L548] int j = 0; [L549] found = 0 [L550] COND FALSE !(j < l2 && !found) [L557] COND TRUE !found [L558] 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: [L565] int Alen = __VERIFIER_nondet_int(); [L566] int Blen = __VERIFIER_nondet_int(); [L567] COND FALSE !(Alen < 1 || Alen >= 2147483647 / sizeof(int)) [L570] COND TRUE Blen < 1 || Blen >= 2147483647 / sizeof(int) [L571] Blen = 1 [L573] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L573] int* A = (int*) __builtin_alloca (Alen * sizeof(int)); [L574] EXPR, FCALL __builtin_alloca (Blen * sizeof(int)) [L574] int* B = (int*) __builtin_alloca (Blen * sizeof(int)); [L575] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L575] int* D = (int*) __builtin_alloca (Alen * sizeof(int)); [L576] CALL diff(A, Alen, B, Blen, D) [L542] int k = 0; [L543] int i = 0; [L544] int l1 = Alen; [L545] int l2 = Blen; [L546] int found; [L547] COND TRUE i < l1 [L548] int j = 0; [L549] found = 0 [L550] COND TRUE j < l2 && !found [L551] FCALL A[i] [L551] 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: [L565] int Alen = __VERIFIER_nondet_int(); [L566] int Blen = __VERIFIER_nondet_int(); [L567] COND FALSE !(Alen < 1 || Alen >= 2147483647 / sizeof(int)) [L570] COND TRUE Blen < 1 || Blen >= 2147483647 / sizeof(int) [L571] Blen = 1 [L573] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L573] int* A = (int*) __builtin_alloca (Alen * sizeof(int)); [L574] EXPR, FCALL __builtin_alloca (Blen * sizeof(int)) [L574] int* B = (int*) __builtin_alloca (Blen * sizeof(int)); [L575] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L575] int* D = (int*) __builtin_alloca (Alen * sizeof(int)); [L576] CALL diff(A, Alen, B, Blen, D) [L542] int k = 0; [L543] int i = 0; [L544] int l1 = Alen; [L545] int l2 = Blen; [L546] int found; [L547] COND TRUE i < l1 [L548] int j = 0; [L549] found = 0 [L550] COND FALSE !(j < l2 && !found) [L557] COND TRUE !found [L558] EXPR, FCALL A[i] [L558] FCALL D[k] = A[i] - UnprovableResult [Line: 564]: 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: [L565] int Alen = __VERIFIER_nondet_int(); [L566] int Blen = __VERIFIER_nondet_int(); [L567] COND FALSE !(Alen < 1 || Alen >= 2147483647 / sizeof(int)) [L570] COND TRUE Blen < 1 || Blen >= 2147483647 / sizeof(int) [L571] Blen = 1 [L573] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L573] int* A = (int*) __builtin_alloca (Alen * sizeof(int)); [L574] EXPR, FCALL __builtin_alloca (Blen * sizeof(int)) [L574] int* B = (int*) __builtin_alloca (Blen * sizeof(int)); [L575] EXPR, FCALL __builtin_alloca (Alen * sizeof(int)) [L575] int* D = (int*) __builtin_alloca (Alen * sizeof(int)); [L576] CALL diff(A, Alen, B, Blen, D) [L542] int k = 0; [L543] int i = 0; [L544] int l1 = Alen; [L545] int l2 = Blen; [L546] int found; [L547] COND FALSE, RET !(i < l1) [L576] diff(A, Alen, B, Blen, D) [L577] return 0; - 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/diff-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-06-13-460.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-06-13-460.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-06-13-460.csv Received shutdown request...