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_stack_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 16:13:39,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 16:13:39,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 16:13:39,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 16:13:39,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 16:13:39,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 16:13:39,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 16:13:39,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 16:13:39,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 16:13:39,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 16:13:39,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 16:13:39,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 16:13:39,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 16:13:39,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 16:13:39,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 16:13:39,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 16:13:39,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 16:13:39,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 16:13:39,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 16:13:39,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 16:13:39,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 16:13:39,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 16:13:39,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 16:13:39,416 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 [2018-01-23 16:13:39,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 16:13:39,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 16:13:39,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 16:13:39,427 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 16:13:39,428 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 16:13:39,428 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-23 16:13:39,428 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 16:13:39,428 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 16:13:39,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 16:13:39,429 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 16:13:39,429 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 16:13:39,429 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 16:13:39,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 16:13:39,430 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 16:13:39,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 16:13:39,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 16:13:39,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 16:13:39,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 16:13:39,431 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 16:13:39,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 16:13:39,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 16:13:39,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 16:13:39,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 16:13:39,432 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 16:13:39,432 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 16:13:39,432 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 16:13:39,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 16:13:39,432 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 16:13:39,433 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 16:13:39,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 16:13:39,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 16:13:39,433 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 16:13:39,433 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 16:13:39,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 16:13:39,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 16:13:39,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 16:13:39,435 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 16:13:39,435 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 16:13:39,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 16:13:39,480 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 16:13:39,483 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 16:13:39,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 16:13:39,484 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 16:13:39,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_stack_true-valid-memsafety_false-termination.i [2018-01-23 16:13:39,648 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 16:13:39,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 16:13:39,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 16:13:39,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 16:13:39,662 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 16:13:39,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646b4c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39, skipping insertion in model container [2018-01-23 16:13:39,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,686 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:13:39,727 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:13:39,846 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:13:39,872 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:13:39,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39 WrapperNode [2018-01-23 16:13:39,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 16:13:39,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 16:13:39,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 16:13:39,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 16:13:39,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (1/1) ... [2018-01-23 16:13:39,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 16:13:39,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 16:13:39,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 16:13:39,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 16:13:39,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:13:39" (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 16:13:39,969 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 16:13:39,969 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 16:13:39,969 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 16:13:39,969 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 16:13:39,970 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 16:13:39,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 16:13:39,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 16:13:40,354 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 16:13:40,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:13:40 BoogieIcfgContainer [2018-01-23 16:13:40,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 16:13:40,356 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 16:13:40,356 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 16:13:40,356 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 16:13:40,357 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:13:40" (1/1) ... [2018-01-23 16:13:40,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 16:13:42,470 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 16:13:42,479 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:13:42,482 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:13:42,482 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:13:42,488 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:13:42,488 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:13:42,488 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:13:42,491 INFO L268 AbstractInterpreter]: Visited 98 different actions 359 times. Merged at 83 different actions 213 times. Never widened. Found 47 fixpoints after 28 different actions. Largest state had 72 variables. [2018-01-23 16:13:42,493 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 16:13:42,494 INFO L168 Benchmark]: Toolchain (without parser) took 2844.86 ms. Allocated memory was 303.0 MB in the beginning and 470.8 MB in the end (delta: 167.8 MB). Free memory was 261.3 MB in the beginning and 241.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 187.4 MB. Max. memory is 5.3 GB. [2018-01-23 16:13:42,495 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 16:13:42,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.96 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 249.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. [2018-01-23 16:13:42,495 INFO L168 Benchmark]: Boogie Preprocessor took 36.83 ms. Allocated memory is still 303.0 MB. Free memory was 249.2 MB in the beginning and 247.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 16:13:42,495 INFO L168 Benchmark]: RCFGBuilder took 438.22 ms. Allocated memory is still 303.0 MB. Free memory was 247.2 MB in the beginning and 220.7 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. [2018-01-23 16:13:42,496 INFO L168 Benchmark]: Abstract Interpretation took 2137.03 ms. Allocated memory was 303.0 MB in the beginning and 470.8 MB in the end (delta: 167.8 MB). Free memory was 220.7 MB in the beginning and 241.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 146.7 MB. Max. memory is 5.3 GB. [2018-01-23 16:13:42,497 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 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 224.96 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 249.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.83 ms. Allocated memory is still 303.0 MB. Free memory was 249.2 MB in the beginning and 247.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 438.22 ms. Allocated memory is still 303.0 MB. Free memory was 247.2 MB in the beginning and 220.7 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2137.03 ms. Allocated memory was 303.0 MB in the beginning and 470.8 MB in the end (delta: 167.8 MB). Free memory was 220.7 MB in the beginning and 241.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 146.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 84 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 921 LocStat_NO_SUPPORTING_DISEQUALITIES : 204 LocStat_NO_DISJUNCTIONS : -168 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 102 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 210 TransStat_NO_SUPPORTING_DISEQUALITIES : 49 TransStat_NO_DISJUNCTIONS : 118 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.431878 RENAME_VARIABLES(MILLISECONDS) : 0.384930 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.405772 PROJECTAWAY(MILLISECONDS) : 0.360016 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001162 DISJOIN(MILLISECONDS) : 0.491421 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.414644 ADD_EQUALITY(MILLISECONDS) : 0.021250 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008485 #CONJOIN_DISJUNCTIVE : 595 #RENAME_VARIABLES : 1197 #UNFREEZE : 0 #CONJOIN : 878 #PROJECTAWAY : 732 #ADD_WEAK_EQUALITY : 71 #DISJOIN : 90 #RENAME_VARIABLES_DISJUNCTIVE : 1056 #ADD_EQUALITY : 214 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 29 - 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] n = ((void *)0) [L652] EXPR, FCALL malloc(sizeof(*s)) [L652] struct StackItem* s = malloc(sizeof(*s)), *st; [L653] FCALL s->next = ((void *)0) [L654] FCALL s->node = root [L655] COND TRUE s != ((void *)0) [L656] st = s [L657] EXPR, FCALL s->next [L657] s = s->next [L658] EXPR, FCALL st->node [L658] n = st->node [L659] FCALL free(st) [L660] FCALL n->left [L660] COND FALSE !(n->left) [L666] FCALL n->right [L666] COND FALSE !(n->right) [L672] FCALL free(n) [L655] COND FALSE !(s != ((void *)0)) [L674] 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] n = ((void *)0) [L652] EXPR, FCALL malloc(sizeof(*s)) [L652] struct StackItem* s = malloc(sizeof(*s)), *st; [L653] FCALL s->next = ((void *)0) [L654] FCALL s->node = root [L655] COND TRUE s != ((void *)0) [L656] st = s [L657] EXPR, FCALL s->next [L657] s = s->next [L658] EXPR, FCALL st->node [L658] n = st->node [L659] FCALL free(st) [L660] FCALL n->left [L660] COND FALSE !(n->left) [L666] FCALL n->right [L666] COND FALSE !(n->right) [L672] FCALL free(n) [L655] COND FALSE !(s != ((void *)0)) [L674] 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_stack_true-valid-memsafety_false-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_16-13-42-504.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_stack_true-valid-memsafety_false-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_16-13-42-504.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_stack_true-valid-memsafety_false-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_16-13-42-504.csv Received shutdown request...