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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test3_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:06:44,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:06:44,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:06:44,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:06:44,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:06:44,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:06:44,438 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:06:44,439 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:06:44,440 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:06:44,441 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:06:44,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:06:44,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:06:44,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:06:44,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:06:44,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:06:44,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:06:44,448 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:06:44,449 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:06:44,450 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:06:44,451 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:06:44,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 21:06:44,453 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 21:06:44,454 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 21:06:44,455 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 21:06:44,455 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 21:06:44,456 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 21:06:44,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 21:06:44,457 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 21:06:44,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 21:06:44,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:06:44,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:06:44,458 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 21:06:44,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:06:44,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:06:44,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:06:44,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:06:44,470 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:06:44,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:06:44,470 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:06:44,470 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:06:44,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:06:44,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:06:44,471 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:06:44,471 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:06:44,471 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:06:44,471 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:06:44,471 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:06:44,471 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:06:44,472 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:06:44,472 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:06:44,472 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:06:44,472 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:06:44,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:06:44,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:06:44,473 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:06:44,473 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:06:44,473 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:06:44,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:06:44,510 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:06:44,513 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:06:44,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:06:44,516 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:06:44,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test3_false-valid-free.i [2018-02-02 21:06:44,653 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:06:44,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:06:44,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:06:44,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:06:44,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:06:44,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2b8cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44, skipping insertion in model container [2018-02-02 21:06:44,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,672 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:06:44,706 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:06:44,789 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:06:44,798 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:06:44,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44 WrapperNode [2018-02-02 21:06:44,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:06:44,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:06:44,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:06:44,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:06:44,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... [2018-02-02 21:06:44,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:06:44,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:06:44,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:06:44,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:06:44,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-02 21:06:44,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:06:44,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:06:44,864 INFO L136 BoogieDeclarations]: Found implementation of procedure h_unsafe [2018-02-02 21:06:44,864 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 21:06:44,864 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:06:44,864 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:06:44,864 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:06:44,864 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 21:06:44,864 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-02-02 21:06:44,865 INFO L128 BoogieDeclarations]: Found specification of procedure h_unsafe [2018-02-02 21:06:44,865 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 21:06:44,865 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:06:44,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:06:44,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:06:44,958 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:06:44,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:06:44 BoogieIcfgContainer [2018-02-02 21:06:44,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:06:44,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:06:44,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:06:44,962 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:06:44,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:06:44" (1/3) ... [2018-02-02 21:06:44,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5171f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:06:44, skipping insertion in model container [2018-02-02 21:06:44,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:44" (2/3) ... [2018-02-02 21:06:44,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5171f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:06:44, skipping insertion in model container [2018-02-02 21:06:44,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:06:44" (3/3) ... [2018-02-02 21:06:44,965 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test3_false-valid-free.i [2018-02-02 21:06:44,973 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:06:44,978 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-02-02 21:06:45,002 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:06:45,003 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:06:45,003 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:06:45,003 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:06:45,003 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:06:45,003 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:06:45,003 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:06:45,004 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:06:45,004 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:06:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-02-02 21:06:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 21:06:45,024 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:45,025 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:06:45,025 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:45,029 INFO L82 PathProgramCache]: Analyzing trace with hash 683079850, now seen corresponding path program 1 times [2018-02-02 21:06:45,031 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:45,031 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:45,078 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:45,078 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:45,078 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-02 21:06:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-02 21:06:45,129 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-02-02 21:06:45,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:06:45 BoogieIcfgContainer [2018-02-02 21:06:45,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 21:06:45,144 INFO L168 Benchmark]: Toolchain (without parser) took 489.76 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 318.3 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:45,145 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 399.5 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:06:45,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.86 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 344.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:45,146 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 399.5 MB. Free memory was 344.5 MB in the beginning and 341.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:45,146 INFO L168 Benchmark]: RCFGBuilder took 130.19 ms. Allocated memory is still 399.5 MB. Free memory was 341.9 MB in the beginning and 330.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:45,147 INFO L168 Benchmark]: TraceAbstraction took 183.21 ms. Allocated memory is still 399.5 MB. Free memory was 330.2 MB in the beginning and 318.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:45,149 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 399.5 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 148.86 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 344.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.79 ms. Allocated memory is still 399.5 MB. Free memory was 344.5 MB in the beginning and 341.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 130.19 ms. Allocated memory is still 399.5 MB. Free memory was 341.9 MB in the beginning and 330.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 183.21 ms. Allocated memory is still 399.5 MB. Free memory was 330.2 MB in the beginning and 318.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 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, 0.0s DumpTime, 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, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test3_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-06-45-157.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test3_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_21-06-45-157.csv Received shutdown request...