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/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test3_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 20:37:25,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 20:37:25,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 20:37:25,450 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 20:37:25,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 20:37:25,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 20:37:25,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 20:37:25,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 20:37:25,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 20:37:25,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 20:37:25,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 20:37:25,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 20:37:25,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 20:37:25,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 20:37:25,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 20:37:25,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 20:37:25,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 20:37:25,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 20:37:25,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 20:37:25,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 20:37:25,471 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 20:37:25,471 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 20:37:25,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 20:37:25,473 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 20:37:25,474 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 20:37:25,475 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 20:37:25,475 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 20:37:25,476 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 20:37:25,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 20:37:25,476 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 20:37:25,477 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 20:37:25,477 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-24 20:37:25,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 20:37:25,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 20:37:25,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 20:37:25,489 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 20:37:25,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 20:37:25,490 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 20:37:25,490 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 20:37:25,490 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 20:37:25,490 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 20:37:25,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 20:37:25,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 20:37:25,491 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 20:37:25,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 20:37:25,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 20:37:25,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 20:37:25,492 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 20:37:25,492 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 20:37:25,493 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 20:37:25,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 20:37:25,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 20:37:25,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 20:37:25,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 20:37:25,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 20:37:25,494 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 20:37:25,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 20:37:25,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 20:37:25,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 20:37:25,494 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 20:37:25,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 20:37:25,495 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 20:37:25,495 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 20:37:25,495 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 20:37:25,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 20:37:25,495 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 20:37:25,496 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 20:37:25,497 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 20:37:25,497 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 20:37:25,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 20:37:25,543 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 20:37:25,547 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 20:37:25,549 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 20:37:25,549 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 20:37:25,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test3_false-valid-free.i [2018-01-24 20:37:25,731 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 20:37:25,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 20:37:25,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 20:37:25,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 20:37:25,746 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 20:37:25,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388a8c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25, skipping insertion in model container [2018-01-24 20:37:25,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,770 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:37:25,821 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:37:25,922 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:37:25,934 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:37:25,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25 WrapperNode [2018-01-24 20:37:25,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 20:37:25,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 20:37:25,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 20:37:25,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 20:37:25,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (1/1) ... [2018-01-24 20:37:25,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 20:37:25,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 20:37:25,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 20:37:25,965 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 20:37:25,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (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 20:37:26,014 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 20:37:26,014 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 20:37:26,014 INFO L136 BoogieDeclarations]: Found implementation of procedure h_unsafe [2018-01-24 20:37:26,014 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 20:37:26,014 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 20:37:26,015 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 20:37:26,015 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 20:37:26,015 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 20:37:26,015 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-01-24 20:37:26,015 INFO L128 BoogieDeclarations]: Found specification of procedure h_unsafe [2018-01-24 20:37:26,015 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 20:37:26,016 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 20:37:26,016 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 20:37:26,016 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 20:37:26,127 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 20:37:26,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:37:26 BoogieIcfgContainer [2018-01-24 20:37:26,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 20:37:26,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 20:37:26,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 20:37:26,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 20:37:26,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 08:37:25" (1/3) ... [2018-01-24 20:37:26,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fde273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:37:26, skipping insertion in model container [2018-01-24 20:37:26,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:37:25" (2/3) ... [2018-01-24 20:37:26,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fde273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:37:26, skipping insertion in model container [2018-01-24 20:37:26,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:37:26" (3/3) ... [2018-01-24 20:37:26,135 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test3_false-valid-free.i [2018-01-24 20:37:26,141 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 20:37:26,148 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-24 20:37:26,182 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 20:37:26,182 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 20:37:26,183 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 20:37:26,183 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 20:37:26,183 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 20:37:26,183 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 20:37:26,183 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 20:37:26,183 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 20:37:26,184 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 20:37:26,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-01-24 20:37:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-24 20:37:26,206 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:37:26,207 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:37:26,207 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-24 20:37:26,211 INFO L82 PathProgramCache]: Analyzing trace with hash 683079850, now seen corresponding path program 1 times [2018-01-24 20:37:26,213 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:37:26,260 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:37:26,260 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:37:26,260 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:37:26,260 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:37:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-24 20:37:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-24 20:37:26,326 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-24 20:37:26,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 08:37:26 BoogieIcfgContainer [2018-01-24 20:37:26,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 20:37:26,344 INFO L168 Benchmark]: Toolchain (without parser) took 612.51 ms. Allocated memory is still 300.9 MB. Free memory was 258.2 MB in the beginning and 220.4 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 5.3 GB. [2018-01-24 20:37:26,345 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 300.9 MB. Free memory is still 265.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 20:37:26,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.83 ms. Allocated memory is still 300.9 MB. Free memory was 258.2 MB in the beginning and 246.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-01-24 20:37:26,346 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 ms. Allocated memory is still 300.9 MB. Free memory was 246.1 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 20:37:26,347 INFO L168 Benchmark]: RCFGBuilder took 162.76 ms. Allocated memory is still 300.9 MB. Free memory was 244.1 MB in the beginning and 232.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 5.3 GB. [2018-01-24 20:37:26,347 INFO L168 Benchmark]: TraceAbstraction took 214.49 ms. Allocated memory is still 300.9 MB. Free memory was 232.4 MB in the beginning and 220.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-24 20:37:26,350 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 300.9 MB. Free memory is still 265.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 200.83 ms. Allocated memory is still 300.9 MB. Free memory was 258.2 MB in the beginning and 246.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.83 ms. Allocated memory is still 300.9 MB. Free memory was 246.1 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 162.76 ms. Allocated memory is still 300.9 MB. Free memory was 244.1 MB in the beginning and 232.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 214.49 ms. Allocated memory is still 300.9 MB. Free memory was 232.4 MB in the beginning and 220.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1444] CALL entry_point() [L1439] CALL, EXPR h_unsafe() [L1435] RET return (int *)__VERIFIER_nondet_pointer(); [L1439] EXPR h_unsafe() VAL [h_unsafe()={2:3}] [L1439] int *p = h_unsafe(); [L1440] COND TRUE \read(*p) VAL [p={2:3}] [L1440] FCALL free(p) VAL [p={2:3}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test3_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_20-37-26-361.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test3_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_20-37-26-361.csv Received shutdown request...