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/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:45:49,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:45:49,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:45:49,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:45:49,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:45:49,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:45:49,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:45:49,860 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:45:49,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:45:49,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:45:49,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:45:49,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:45:49,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:45:49,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:45:49,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:45:49,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:45:49,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:45:49,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:45:49,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:45:49,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:45:49,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:45:49,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 04:45:49,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 04:45:49,885 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 04:45:49,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:45:49,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:45:49,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:45:49,895 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:45:49,895 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:45:49,895 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:45:49,895 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:45:49,895 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:45:49,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:45:49,896 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:45:49,897 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:45:49,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:45:49,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:45:49,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:45:49,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:45:49,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:45:49,898 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:45:49,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:45:49,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:45:49,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:45:49,898 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:45:49,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:45:49,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:45:49,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:45:49,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:45:49,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:45:49,899 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:45:49,900 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:45:49,900 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:45:49,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:45:49,944 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:45:49,948 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:45:49,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:45:49,949 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:45:49,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c [2018-01-25 04:45:50,074 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:45:50,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:45:50,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:45:50,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:45:50,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:45:50,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3076bea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50, skipping insertion in model container [2018-01-25 04:45:50,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,106 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:45:50,123 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:45:50,256 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:45:50,280 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:45:50,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50 WrapperNode [2018-01-25 04:45:50,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:45:50,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:45:50,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:45:50,290 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:45:50,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:45:50,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:45:50,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:45:50,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:45:50,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:45:50" (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 04:45:50,372 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:45:50,372 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:45:50,372 INFO L136 BoogieDeclarations]: Found implementation of procedure bar [2018-01-25 04:45:50,372 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-25 04:45:50,372 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:45:50,372 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 04:45:50,372 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 04:45:50,372 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure bar [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:45:50,373 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:45:50,600 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:45:50,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:45:50 BoogieIcfgContainer [2018-01-25 04:45:50,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:45:50,602 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:45:50,602 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:45:50,603 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:45:50,604 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:45:50" (1/1) ... [2018-01-25 04:45:50,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:45:56,338 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:45:56,356 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:45:56,360 INFO L268 AbstractInterpreter]: Visited 77 different actions 341 times. Merged at 53 different actions 143 times. Never widened. Found 27 fixpoints after 11 different actions. Largest state had 25 variables. [2018-01-25 04:45:56,362 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:45:56,363 INFO L168 Benchmark]: Toolchain (without parser) took 6287.88 ms. Allocated memory was 304.1 MB in the beginning and 645.9 MB in the end (delta: 341.8 MB). Free memory was 265.1 MB in the beginning and 224.8 MB in the end (delta: 40.3 MB). Peak memory consumption was 382.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:45:56,363 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 04:45:56,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.65 ms. Allocated memory is still 304.1 MB. Free memory was 264.1 MB in the beginning and 256.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-25 04:45:56,364 INFO L168 Benchmark]: Boogie Preprocessor took 31.11 ms. Allocated memory is still 304.1 MB. Free memory was 256.2 MB in the beginning and 254.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-25 04:45:56,364 INFO L168 Benchmark]: RCFGBuilder took 280.07 ms. Allocated memory is still 304.1 MB. Free memory was 254.2 MB in the beginning and 234.6 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 5.3 GB. [2018-01-25 04:45:56,364 INFO L168 Benchmark]: Abstract Interpretation took 5759.97 ms. Allocated memory was 304.1 MB in the beginning and 645.9 MB in the end (delta: 341.8 MB). Free memory was 234.6 MB in the beginning and 224.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 351.6 MB. Max. memory is 5.3 GB. [2018-01-25 04:45:56,366 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 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 208.65 ms. Allocated memory is still 304.1 MB. Free memory was 264.1 MB in the beginning and 256.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.11 ms. Allocated memory is still 304.1 MB. Free memory was 256.2 MB in the beginning and 254.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 280.07 ms. Allocated memory is still 304.1 MB. Free memory was 254.2 MB in the beginning and 234.6 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 5759.97 ms. Allocated memory was 304.1 MB in the beginning and 645.9 MB in the end (delta: 341.8 MB). Free memory was 234.6 MB in the beginning and 224.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 351.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 62 LocStat_MAX_WEQGRAPH_SIZE : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 584 LocStat_NO_SUPPORTING_DISEQUALITIES : 154 LocStat_NO_DISJUNCTIONS : -124 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 85 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 91 TransStat_NO_SUPPORTING_DISEQUALITIES : 14 TransStat_NO_DISJUNCTIONS : 86 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 3.295472 RENAME_VARIABLES(MILLISECONDS) : 0.018599 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.864289 PROJECTAWAY(MILLISECONDS) : 12.432314 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.069299 DISJOIN(MILLISECONDS) : 0.101273 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.036498 ADD_EQUALITY(MILLISECONDS) : 0.028080 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014238 #CONJOIN_DISJUNCTIVE : 474 #RENAME_VARIABLES : 1091 #UNFREEZE : 0 #CONJOIN : 739 #PROJECTAWAY : 701 #ADD_WEAK_EQUALITY : 13 #DISJOIN : 121 #RENAME_VARIABLES_DISJUNCTIVE : 1081 #ADD_EQUALITY : 93 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 10 - 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: [L32] int i, b[100]; [L33] i = 0 [L33] COND FALSE !(i < 100) [L36] i = 0 [L36] COND TRUE i < 100 [L37] FCALL b[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: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i + 1) [L21] FCALL int a[n], i; [L22] i = 0 [L22] COND TRUE i < size [L23] FCALL b[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: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i + 1) [L21] FCALL int a[n], i; [L22] i = 0 [L22] COND TRUE i < size [L23] EXPR, FCALL b[i] [L23] FCALL a[i] = b[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: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i + 1) [L21] FCALL int a[n], i; [L22] i = 0 [L22] COND FALSE !(i < size) [L25] CALL bar(a, size) [L12] int res = 0, i; [L13] i = 0 [L13] COND TRUE i < size [L14] FCALL b[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: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L34] CALL, EXPR foo(i, b, i + 1) [L21] FCALL int a[n], i; [L22] i = 0 [L22] COND FALSE !(i < size) [L25] CALL bar(a, size) [L12] int res = 0, i; [L13] i = 0 [L13] COND FALSE !(i < size) [L16] RET return res; [L25] bar(a, size) [L25] COND FALSE !(bar(a, size)) [L28] return i; [L28] RET return i; [L34] EXPR foo(i, b, i + 1) [L34] FCALL b[i] = foo(i, b, i + 1) - UnprovableResult [Line: 31]: 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: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L34] CALL, EXPR foo(i, b, i + 1) [L21] FCALL int a[n], i; [L22] i = 0 [L22] COND FALSE !(i < size) [L25] CALL bar(a, size) [L12] int res = 0, i; [L13] i = 0 [L13] COND FALSE !(i < size) [L16] RET return res; [L25] bar(a, size) [L25] COND FALSE !(bar(a, size)) [L28] return i; [L28] RET return i; [L34] EXPR foo(i, b, i + 1) [L34] FCALL b[i] = foo(i, b, i + 1) [L33] i++ [L33] COND FALSE !(i < 100) [L36] i = 0 [L36] COND FALSE !(i < 100) [L41] return 0; [L41] 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 - 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/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-45-56-375.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-45-56-375.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-45-56-375.csv Received shutdown request...