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_imprecise.epf -i ../../../trunk/examples/svcomp/memsafety-ext/tree_dsw_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a5595af [2018-01-31 22:23:51,136 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 22:23:51,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 22:23:51,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 22:23:51,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 22:23:51,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 22:23:51,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 22:23:51,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 22:23:51,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 22:23:51,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 22:23:51,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 22:23:51,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 22:23:51,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 22:23:51,159 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 22:23:51,160 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 22:23:51,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 22:23:51,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 22:23:51,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 22:23:51,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 22:23:51,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 22:23:51,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 22:23:51,177 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 22:23:51,178 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 22:23:51,178 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_imprecise.epf [2018-01-31 22:23:51,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 22:23:51,188 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 22:23:51,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 22:23:51,189 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 22:23:51,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 22:23:51,190 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-31 22:23:51,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 22:23:51,190 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 22:23:51,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 22:23:51,191 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 22:23:51,191 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 22:23:51,191 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-31 22:23:51,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 22:23:51,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 22:23:51,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 22:23:51,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-31 22:23:51,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 22:23:51,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-31 22:23:51,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 22:23:51,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-31 22:23:51,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-31 22:23:51,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 22:23:51,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-31 22:23:51,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 22:23:51,194 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 22:23:51,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 22:23:51,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 22:23:51,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 22:23:51,195 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 22:23:51,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 22:23:51,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 22:23:51,195 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-31 22:23:51,195 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 22:23:51,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 22:23:51,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 22:23:51,196 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 22:23:51,197 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 22:23:51,197 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 22:23:51,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 22:23:51,244 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 22:23:51,248 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 22:23:51,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 22:23:51,250 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 22:23:51,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_dsw_true-valid-memsafety_false-termination.i [2018-01-31 22:23:51,416 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 22:23:51,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 22:23:51,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 22:23:51,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 22:23:51,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 22:23:51,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f9371f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51, skipping insertion in model container [2018-01-31 22:23:51,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,450 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 22:23:51,491 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 22:23:51,614 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 22:23:51,641 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 22:23:51,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51 WrapperNode [2018-01-31 22:23:51,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 22:23:51,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 22:23:51,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 22:23:51,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 22:23:51,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (1/1) ... [2018-01-31 22:23:51,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 22:23:51,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 22:23:51,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 22:23:51,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 22:23:51,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:23:51" (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 [2018-01-31 22:23:51,744 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 22:23:51,744 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 22:23:51,745 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 22:23:51,745 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 22:23:51,746 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 22:23:51,746 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 22:23:51,746 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 22:23:52,166 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 22:23:52,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:23:52 BoogieIcfgContainer [2018-01-31 22:23:52,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 22:23:52,213 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-31 22:23:52,213 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-31 22:23:52,213 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-31 22:23:52,214 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:23:52" (1/1) ... [2018-01-31 22:23:52,265 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 22:23:55,164 INFO L262 AbstractInterpreter]: Some error location(s) were reachable [2018-01-31 22:23:55,171 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:23:55,173 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:23:55,174 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:23:55,181 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:23:55,181 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:23:55,181 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:23:55,184 INFO L271 AbstractInterpreter]: Visited 118 different actions 593 times. Merged at 102 different actions 393 times. Widened at 3 different actions 4 times. Found 66 fixpoints after 32 different actions. Largest state had 82 variables. [2018-01-31 22:23:55,187 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-31 22:23:55,188 INFO L168 Benchmark]: Toolchain (without parser) took 3770.96 ms. Allocated memory was 304.1 MB in the beginning and 654.8 MB in the end (delta: 350.7 MB). Free memory was 262.4 MB in the beginning and 488.9 MB in the end (delta: -226.5 MB). Peak memory consumption was 124.2 MB. Max. memory is 5.3 GB. [2018-01-31 22:23:55,188 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 304.1 MB. Free memory is still 268.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 22:23:55,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.74 ms. Allocated memory is still 304.1 MB. Free memory was 261.4 MB in the beginning and 250.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. [2018-01-31 22:23:55,189 INFO L168 Benchmark]: Boogie Preprocessor took 43.10 ms. Allocated memory is still 304.1 MB. Free memory was 250.3 MB in the beginning and 248.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 22:23:55,189 INFO L168 Benchmark]: RCFGBuilder took 517.07 ms. Allocated memory is still 304.1 MB. Free memory was 248.3 MB in the beginning and 216.3 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 5.3 GB. [2018-01-31 22:23:55,189 INFO L168 Benchmark]: Abstract Interpretation took 2974.49 ms. Allocated memory was 304.1 MB in the beginning and 654.8 MB in the end (delta: 350.7 MB). Free memory was 216.3 MB in the beginning and 488.9 MB in the end (delta: -272.6 MB). Peak memory consumption was 78.2 MB. Max. memory is 5.3 GB. [2018-01-31 22:23:55,191 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 304.1 MB. Free memory is still 268.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 227.74 ms. Allocated memory is still 304.1 MB. Free memory was 261.4 MB in the beginning and 250.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.10 ms. Allocated memory is still 304.1 MB. Free memory was 250.3 MB in the beginning and 248.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 517.07 ms. Allocated memory is still 304.1 MB. Free memory was 248.3 MB in the beginning and 216.3 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2974.49 ms. Allocated memory was 304.1 MB in the beginning and 654.8 MB in the end (delta: 350.7 MB). Free memory was 216.3 MB in the beginning and 488.9 MB in the end (delta: -272.6 MB). Peak memory consumption was 78.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 100 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 1176 LocStat_NO_SUPPORTING_DISEQUALITIES : 324 LocStat_NO_DISJUNCTIONS : -200 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 122 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 247 TransStat_NO_SUPPORTING_DISEQUALITIES : 59 TransStat_NO_DISJUNCTIONS : 140 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.260836 RENAME_VARIABLES(MILLISECONDS) : 0.156165 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.244139 PROJECTAWAY(MILLISECONDS) : 0.168649 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001161 DISJOIN(MILLISECONDS) : 0.577730 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.178613 ADD_EQUALITY(MILLISECONDS) : 0.077536 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010730 #CONJOIN_DISJUNCTIVE : 949 #RENAME_VARIABLES : 1938 #UNFREEZE : 0 #CONJOIN : 1307 #PROJECTAWAY : 1105 #ADD_WEAK_EQUALITY : 86 #DISJOIN : 105 #RENAME_VARIABLES_DISJUNCTIVE : 1737 #ADD_EQUALITY : 257 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 36 - 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: - UnprovableResult [Line: 620]: 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: [L629] EXPR, FCALL malloc(sizeof(*root)) [L629] struct TreeNode* root = malloc(sizeof(*root)), *n; [L630] FCALL root->left = ((void *)0) [L631] FCALL root->right = ((void *)0) [L632] COND FALSE !(__VERIFIER_nondet_int()) [L651] FCALL struct TreeNode sentinel; [L652] n = root [L653] struct TreeNode* pred = &sentinel; [L654] struct TreeNode* succ = ((void *)0); [L655] COND TRUE n != &sentinel [L656] EXPR, FCALL n->left [L656] succ = n->left [L657] EXPR, FCALL n->right [L657] FCALL n->left = n->right [L658] FCALL n->right = pred [L659] pred = n [L660] n = succ [L661] COND FALSE !(!n) [L655] COND FALSE !(n != &sentinel) [L666] COND FALSE !(pred != root) [L668] n = ((void *)0) [L669] EXPR, FCALL malloc(sizeof(*s)) [L669] struct StackItem* s = malloc(sizeof(*s)), *st; [L670] FCALL s->next = ((void *)0) [L671] FCALL s->node = root [L672] COND TRUE s != ((void *)0) [L673] st = s [L674] EXPR, FCALL s->next [L674] s = s->next [L675] EXPR, FCALL st->node [L675] n = st->node [L676] FCALL free(st) [L677] FCALL n->left [L677] COND FALSE !(n->left) [L683] FCALL n->right [L683] COND FALSE !(n->right) [L689] FCALL free(n) [L672] COND FALSE !(s != ((void *)0)) [L691] return 0; [L691] 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: [L629] EXPR, FCALL malloc(sizeof(*root)) [L629] struct TreeNode* root = malloc(sizeof(*root)), *n; [L630] FCALL root->left = ((void *)0) [L631] FCALL root->right = ((void *)0) [L632] COND FALSE !(__VERIFIER_nondet_int()) [L651] FCALL struct TreeNode sentinel; [L652] n = root [L653] struct TreeNode* pred = &sentinel; [L654] struct TreeNode* succ = ((void *)0); [L655] COND TRUE n != &sentinel [L656] EXPR, FCALL n->left [L656] succ = n->left [L657] EXPR, FCALL n->right [L657] FCALL n->left = n->right [L658] FCALL n->right = pred [L659] pred = n [L660] n = succ [L661] COND FALSE !(!n) [L655] COND FALSE !(n != &sentinel) [L666] COND FALSE !(pred != root) [L668] n = ((void *)0) [L669] EXPR, FCALL malloc(sizeof(*s)) [L669] struct StackItem* s = malloc(sizeof(*s)), *st; [L670] FCALL s->next = ((void *)0) [L671] FCALL s->node = root [L672] COND TRUE s != ((void *)0) [L673] st = s [L674] EXPR, FCALL s->next [L674] s = s->next [L675] EXPR, FCALL st->node [L675] n = st->node [L676] FCALL free(st) [L677] FCALL n->left [L677] COND FALSE !(n->left) [L683] FCALL n->right [L683] COND FALSE !(n->right) [L689] FCALL free(n) [L672] COND FALSE !(s != ((void *)0)) [L691] return 0; [L691] return 0; * 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) 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/tree_dsw_true-valid-memsafety_false-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-31_22-23-55-197.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_dsw_true-valid-memsafety_false-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-31_22-23-55-197.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_dsw_true-valid-memsafety_false-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-31_22-23-55-197.csv Received shutdown request...