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/mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf -i ../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 22:03:24,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 22:03:24,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 22:03:24,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 22:03:24,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 22:03:24,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 22:03:24,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 22:03:24,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 22:03:24,120 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 22:03:24,121 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 22:03:24,122 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 22:03:24,122 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 22:03:24,123 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 22:03:24,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 22:03:24,125 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 22:03:24,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 22:03:24,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 22:03:24,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 22:03:24,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 22:03:24,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 22:03:24,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 22:03:24,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 22:03:24,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 22:03:24,139 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 22:03:24,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 22:03:24,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 22:03:24,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 22:03:24,142 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 22:03:24,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 22:03:24,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 22:03:24,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 22:03:24,143 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf [2018-01-23 22:03:24,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 22:03:24,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 22:03:24,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 22:03:24,154 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 22:03:24,154 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 22:03:24,154 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 22:03:24,154 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-23 22:03:24,155 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 22:03:24,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 22:03:24,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 22:03:24,155 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 22:03:24,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 22:03:24,157 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 22:03:24,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 22:03:24,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 22:03:24,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 22:03:24,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 22:03:24,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 22:03:24,158 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 22:03:24,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 22:03:24,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 22:03:24,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 22:03:24,158 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 22:03:24,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 22:03:24,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 22:03:24,159 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 22:03:24,159 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 22:03:24,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 22:03:24,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 22:03:24,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 22:03:24,160 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 22:03:24,160 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 22:03:24,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 22:03:24,206 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 22:03:24,209 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 22:03:24,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 22:03:24,210 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 22:03:24,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i [2018-01-23 22:03:24,363 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 22:03:24,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 22:03:24,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 22:03:24,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 22:03:24,372 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 22:03:24,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14eb5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24, skipping insertion in model container [2018-01-23 22:03:24,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,388 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 22:03:24,423 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 22:03:24,534 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 22:03:24,549 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 22:03:24,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24 WrapperNode [2018-01-23 22:03:24,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 22:03:24,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 22:03:24,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 22:03:24,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 22:03:24,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 22:03:24,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 22:03:24,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 22:03:24,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 22:03:24,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 10:03:24" (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 [2018-01-23 22:03:24,636 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 22:03:24,636 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 22:03:24,636 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-23 22:03:24,636 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 22:03:24,636 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 22:03:24,636 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 22:03:24,637 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 22:03:24,814 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 22:03:24,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 10:03:24 BoogieIcfgContainer [2018-01-23 22:03:24,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 22:03:24,815 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 22:03:24,816 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 22:03:24,816 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 22:03:24,816 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 10:03:24" (1/1) ... [2018-01-23 22:03:24,866 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 22:03:32,511 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 22:03:32,523 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,527 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,527 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,528 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,532 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,533 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,533 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,533 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 22:03:32,535 INFO L268 AbstractInterpreter]: Visited 44 different actions 144 times. Merged at 26 different actions 84 times. Never widened. Found 7 fixpoints after 4 different actions. Largest state had 28 variables. [2018-01-23 22:03:32,537 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 22:03:32,538 INFO L168 Benchmark]: Toolchain (without parser) took 8174.00 ms. Allocated memory was 304.1 MB in the beginning and 821.6 MB in the end (delta: 517.5 MB). Free memory was 263.0 MB in the beginning and 176.9 MB in the end (delta: 86.1 MB). Peak memory consumption was 603.6 MB. Max. memory is 5.3 GB. [2018-01-23 22:03:32,538 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 304.1 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 22:03:32,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.05 ms. Allocated memory is still 304.1 MB. Free memory was 263.0 MB in the beginning and 253.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-23 22:03:32,539 INFO L168 Benchmark]: Boogie Preprocessor took 31.28 ms. Allocated memory is still 304.1 MB. Free memory was 253.0 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 22:03:32,539 INFO L168 Benchmark]: RCFGBuilder took 228.87 ms. Allocated memory is still 304.1 MB. Free memory was 251.1 MB in the beginning and 234.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 5.3 GB. [2018-01-23 22:03:32,539 INFO L168 Benchmark]: Abstract Interpretation took 7721.58 ms. Allocated memory was 304.1 MB in the beginning and 821.6 MB in the end (delta: 517.5 MB). Free memory was 234.1 MB in the beginning and 176.9 MB in the end (delta: 57.2 MB). Peak memory consumption was 574.7 MB. Max. memory is 5.3 GB. [2018-01-23 22:03:32,541 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 304.1 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 187.05 ms. Allocated memory is still 304.1 MB. Free memory was 263.0 MB in the beginning and 253.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.28 ms. Allocated memory is still 304.1 MB. Free memory was 253.0 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 228.87 ms. Allocated memory is still 304.1 MB. Free memory was 251.1 MB in the beginning and 234.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 7721.58 ms. Allocated memory was 304.1 MB in the beginning and 821.6 MB in the end (delta: 517.5 MB). Free memory was 234.1 MB in the beginning and 176.9 MB in the end (delta: 57.2 MB). Peak memory consumption was 574.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 38 LocStat_MAX_WEQGRAPH_SIZE : 8 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 577 LocStat_NO_SUPPORTING_DISEQUALITIES : 100 LocStat_NO_DISJUNCTIONS : -76 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 50 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 129 TransStat_NO_SUPPORTING_DISEQUALITIES : 16 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.720279 RENAME_VARIABLES(MILLISECONDS) : 0.113910 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.682529 PROJECTAWAY(MILLISECONDS) : 0.087188 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.080920 DISJOIN(MILLISECONDS) : 0.359068 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.144899 ADD_EQUALITY(MILLISECONDS) : 0.019857 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.006479 #CONJOIN_DISJUNCTIVE : 236 #RENAME_VARIABLES : 530 #UNFREEZE : 0 #CONJOIN : 477 #PROJECTAWAY : 338 #ADD_WEAK_EQUALITY : 15 #DISJOIN : 32 #RENAME_VARIABLES_DISJUNCTIVE : 509 #ADD_EQUALITY : 100 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 10 - UnprovableResult [Line: 1]: 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: [L619] int *a, *b; [L620] int n; - UnprovableResult [Line: 629]: 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: [L619] int *a, *b; [L620] int n; [L631] n = 128 [L632] EXPR, FCALL malloc (n * sizeof(*a)) [L632] a = malloc (n * sizeof(*a)) [L633] EXPR, FCALL malloc (n * sizeof(*b)) [L633] b = malloc (n * sizeof(*b)) [L634] EXPR b++ [L634] FCALL *b++ = 0 [L635] CALL foo () [L623] int i; [L624] i = 0 [L624] COND FALSE !(i < n) [L626] i = 0 [L626] COND FALSE, RET !(i < 128 - 1) [L635] foo () [L636] FCALL b[-2] [L636] COND TRUE b[-2] [L637] FCALL free(a) [L637] FCALL free(b-1) [L640] return 0; - UnprovableResult [Line: 1]: 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: [L619] int *a, *b; [L620] int n; [L631] n = 128 [L632] EXPR, FCALL malloc (n * sizeof(*a)) [L632] a = malloc (n * sizeof(*a)) [L633] EXPR, FCALL malloc (n * sizeof(*b)) [L633] b = malloc (n * sizeof(*b)) [L634] EXPR b++ [L634] FCALL *b++ = 0 [L635] CALL foo () [L623] int i; [L624] i = 0 [L624] COND FALSE !(i < n) [L626] i = 0 [L626] COND FALSE, RET !(i < 128 - 1) [L635] foo () [L636] FCALL b[-2] [L636] COND TRUE b[-2] [L637] FCALL free(a) [L637] FCALL free(b-1) [L640] return 0; - PositiveResult [Line: 621]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - 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/960521-1_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_22-03-32-548.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_22-03-32-548.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_22-03-32-548.csv Received shutdown request...