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/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:29:31,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:29:31,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:29:31,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:29:31,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:29:31,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:29:31,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:29:31,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:29:31,703 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:29:31,704 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:29:31,704 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:29:31,705 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:29:31,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:29:31,707 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:29:31,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:29:31,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:29:31,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:29:31,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:29:31,715 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:29:31,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:29:31,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:29:31,724 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:29:31,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:29:31,725 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 16:29:31,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:29:31,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:29:31,736 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:29:31,737 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:29:31,737 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:29:31,737 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:29:31,737 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:29:31,737 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:29:31,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:29:31,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:29:31,739 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:29:31,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:29:31,739 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:29:31,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:29:31,739 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:29:31,740 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:29:31,740 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:29:31,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:29:31,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:29:31,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:29:31,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:29:31,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:29:31,741 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:29:31,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:29:31,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:29:31,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:29:31,742 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:29:31,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:29:31,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:29:31,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:29:31,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:29:31,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:29:31,743 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:29:31,744 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:29:31,744 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:29:31,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:29:31,790 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:29:31,793 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:29:31,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:29:31,794 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:29:31,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c [2018-01-24 16:29:31,928 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:29:31,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:29:31,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:29:31,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:29:31,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:29:31,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:29:31" (1/1) ... [2018-01-24 16:29:31,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c4f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:31, skipping insertion in model container [2018-01-24 16:29:31,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:29:31" (1/1) ... [2018-01-24 16:29:31,967 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:29:31,985 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:29:32,118 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:29:32,140 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:29:32,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32 WrapperNode [2018-01-24 16:29:32,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:29:32,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:29:32,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:29:32,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:29:32,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:29:32,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:29:32,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:29:32,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:29:32,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:32" (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 16:29:32,224 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:29:32,225 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:29:32,225 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-24 16:29:32,225 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:29:32,225 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:29:32,225 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:29:32,225 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:29:32,225 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:29:32,226 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:29:32,226 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-24 16:29:32,226 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:29:32,226 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:29:32,226 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:29:32,441 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:29:32,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:29:32 BoogieIcfgContainer [2018-01-24 16:29:32,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:29:32,443 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:29:32,443 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:29:32,443 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:29:32,444 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:29:32" (1/1) ... [2018-01-24 16:29:32,492 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:29:33,200 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:29:33,213 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:29:33,218 INFO L268 AbstractInterpreter]: Visited 55 different actions 196 times. Merged at 39 different actions 108 times. Never widened. Found 9 fixpoints after 4 different actions. Largest state had 23 variables. [2018-01-24 16:29:33,220 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:29:33,221 INFO L168 Benchmark]: Toolchain (without parser) took 1292.71 ms. Allocated memory was 311.4 MB in the beginning and 327.2 MB in the end (delta: 15.7 MB). Free memory was 272.5 MB in the beginning and 210.6 MB in the end (delta: 61.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:33,222 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 311.4 MB. Free memory is still 277.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:29:33,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.63 ms. Allocated memory is still 311.4 MB. Free memory was 272.5 MB in the beginning and 263.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:33,223 INFO L168 Benchmark]: Boogie Preprocessor took 29.26 ms. Allocated memory is still 311.4 MB. Free memory was 263.4 MB in the beginning and 262.5 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-24 16:29:33,223 INFO L168 Benchmark]: RCFGBuilder took 263.56 ms. Allocated memory is still 311.4 MB. Free memory was 262.5 MB in the beginning and 245.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:33,223 INFO L168 Benchmark]: Abstract Interpretation took 777.46 ms. Allocated memory was 311.4 MB in the beginning and 327.2 MB in the end (delta: 15.7 MB). Free memory was 245.7 MB in the beginning and 210.6 MB in the end (delta: 35.1 MB). Peak memory consumption was 50.8 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:33,225 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 311.4 MB. Free memory is still 277.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 213.63 ms. Allocated memory is still 311.4 MB. Free memory was 272.5 MB in the beginning and 263.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.26 ms. Allocated memory is still 311.4 MB. Free memory was 263.4 MB in the beginning and 262.5 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 263.56 ms. Allocated memory is still 311.4 MB. Free memory was 262.5 MB in the beginning and 245.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 777.46 ms. Allocated memory was 311.4 MB in the beginning and 327.2 MB in the end (delta: 15.7 MB). Free memory was 245.7 MB in the beginning and 210.6 MB in the end (delta: 35.1 MB). Peak memory consumption was 50.8 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 : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 295 LocStat_NO_SUPPORTING_DISEQUALITIES : 84 LocStat_NO_DISJUNCTIONS : -90 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 61 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 60 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 62 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.306898 RENAME_VARIABLES(MILLISECONDS) : 0.199159 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.259112 PROJECTAWAY(MILLISECONDS) : 0.164693 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001421 DISJOIN(MILLISECONDS) : 0.243408 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.218814 ADD_EQUALITY(MILLISECONDS) : 0.047355 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.060645 #CONJOIN_DISJUNCTIVE : 256 #RENAME_VARIABLES : 563 #UNFREEZE : 0 #CONJOIN : 371 #PROJECTAWAY : 382 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 53 #RENAME_VARIABLES_DISJUNCTIVE : 556 #ADD_EQUALITY : 61 #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: [L21] int i, b[100]; [L22] i = 0 [L22] COND FALSE !(i < 100) [L25] i = 0 [L25] COND TRUE i < 100 [L26] FCALL b[i] - UnprovableResult [Line: 15]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L21] int i, b[100]; [L22] i = 0 [L22] COND TRUE i < 100 [L23] CALL foo(i, b, i) [L13] int a[n], i; [L14] i = 0 [L14] COND TRUE i < size [L15] 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: [L21] int i, b[100]; [L22] i = 0 [L22] COND TRUE i < 100 [L23] CALL foo(i, b, i) [L13] int a[n], i; [L14] i = 0 [L14] COND TRUE i < size [L15] a[i] [L15] FCALL b[i] - UnprovableResult [Line: 20]: 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: [L21] int i, b[100]; [L22] i = 0 [L22] COND FALSE !(i < 100) [L25] i = 0 [L25] COND FALSE !(i < 100) [L30] return 0; [L30] return 0; - 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: [L21] int i, b[100]; [L22] i = 0 [L22] COND TRUE i < 100 [L23] CALL, EXPR foo(i, b, i) [L13] int a[n], i; [L14] i = 0 [L14] COND FALSE !(i < size) [L17] RET return i; [L23] EXPR foo(i, b, i) [L23] FCALL b[i] = foo(i, b, i) - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location * 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/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-29-33-235.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-29-33-235.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-29-33-235.csv Received shutdown request...