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_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 22:33:18,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 22:33:18,539 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 22:33:18,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 22:33:18,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 22:33:18,554 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 22:33:18,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 22:33:18,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 22:33:18,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 22:33:18,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 22:33:18,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 22:33:18,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 22:33:18,561 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 22:33:18,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 22:33:18,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 22:33:18,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 22:33:18,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 22:33:18,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 22:33:18,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 22:33:18,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 22:33:18,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-29 22:33:18,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-29 22:33:18,574 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-29 22:33:18,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-29 22:33:18,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-29 22:33:18,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-29 22:33:18,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-29 22:33:18,578 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-29 22:33:18,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-29 22:33:18,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 22:33:18,579 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 22:33:18,580 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-29 22:33:18,589 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 22:33:18,590 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 22:33:18,591 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 22:33:18,591 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 22:33:18,591 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 22:33:18,591 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 22:33:18,591 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 22:33:18,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 22:33:18,592 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 22:33:18,592 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 22:33:18,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 22:33:18,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 22:33:18,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 22:33:18,593 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 22:33:18,593 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 22:33:18,594 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 22:33:18,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 22:33:18,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 22:33:18,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 22:33:18,594 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 22:33:18,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 22:33:18,595 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 22:33:18,595 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 22:33:18,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:33:18,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 22:33:18,595 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 22:33:18,596 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 22:33:18,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 22:33:18,596 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 22:33:18,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 22:33:18,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 22:33:18,597 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 22:33:18,597 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 22:33:18,598 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 22:33:18,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 22:33:18,644 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 22:33:18,649 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 22:33:18,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 22:33:18,651 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 22:33:18,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-01-29 22:33:18,755 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 22:33:18,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 22:33:18,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 22:33:18,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 22:33:18,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 22:33:18,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f200d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18, skipping insertion in model container [2018-01-29 22:33:18,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,786 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:33:18,801 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:33:18,912 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:33:18,928 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:33:18,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18 WrapperNode [2018-01-29 22:33:18,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 22:33:18,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 22:33:18,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 22:33:18,936 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 22:33:18,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (1/1) ... [2018-01-29 22:33:18,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 22:33:18,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 22:33:18,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 22:33:18,974 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 22:33:18,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (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 [2018-01-29 22:33:19,023 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 22:33:19,023 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 22:33:19,023 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncat [2018-01-29 22:33:19,024 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncat [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 22:33:19,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 22:33:19,262 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 22:33:19,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:33:19 BoogieIcfgContainer [2018-01-29 22:33:19,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 22:33:19,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 22:33:19,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 22:33:19,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 22:33:19,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:33:18" (1/3) ... [2018-01-29 22:33:19,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19101237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:33:19, skipping insertion in model container [2018-01-29 22:33:19,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:33:18" (2/3) ... [2018-01-29 22:33:19,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19101237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:33:19, skipping insertion in model container [2018-01-29 22:33:19,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:33:19" (3/3) ... [2018-01-29 22:33:19,272 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncat_unsafe_false-valid-deref.i [2018-01-29 22:33:19,278 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 22:33:19,285 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-01-29 22:33:19,322 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 22:33:19,322 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 22:33:19,323 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 22:33:19,323 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 22:33:19,323 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 22:33:19,323 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 22:33:19,323 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 22:33:19,323 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 22:33:19,324 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 22:33:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-01-29 22:33:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-29 22:33:19,348 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:33:19,349 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:33:19,350 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, cstrncatErr7RequiresViolation, cstrncatErr5RequiresViolation, cstrncatErr0RequiresViolation, cstrncatErr3RequiresViolation, cstrncatErr9RequiresViolation, cstrncatErr1RequiresViolation, cstrncatErr2RequiresViolation, cstrncatErr8RequiresViolation, cstrncatErr6RequiresViolation, cstrncatErr4RequiresViolation]=== [2018-01-29 22:33:19,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1261347868, now seen corresponding path program 1 times [2018-01-29 22:33:19,356 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:33:19,356 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:33:19,400 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:33:19,400 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:33:19,400 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:33:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 22:33:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 22:33:19,486 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-29 22:33:19,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:33:19 BoogieIcfgContainer [2018-01-29 22:33:19,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 22:33:19,516 INFO L168 Benchmark]: Toolchain (without parser) took 761.02 ms. Allocated memory is still 304.1 MB. Free memory was 265.1 MB in the beginning and 222.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 5.3 GB. [2018-01-29 22:33:19,518 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 22:33:19,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.78 ms. Allocated memory is still 304.1 MB. Free memory was 265.1 MB in the beginning and 256.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-01-29 22:33:19,518 INFO L168 Benchmark]: Boogie Preprocessor took 37.94 ms. Allocated memory is still 304.1 MB. Free memory was 256.0 MB in the beginning and 255.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-01-29 22:33:19,519 INFO L168 Benchmark]: RCFGBuilder took 290.22 ms. Allocated memory is still 304.1 MB. Free memory was 255.0 MB in the beginning and 236.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-01-29 22:33:19,519 INFO L168 Benchmark]: TraceAbstraction took 251.04 ms. Allocated memory is still 304.1 MB. Free memory was 235.1 MB in the beginning and 222.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 5.3 GB. [2018-01-29 22:33:19,522 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 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 171.78 ms. Allocated memory is still 304.1 MB. Free memory was 265.1 MB in the beginning and 256.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.94 ms. Allocated memory is still 304.1 MB. Free memory was 256.0 MB in the beginning and 255.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 290.22 ms. Allocated memory is still 304.1 MB. Free memory was 255.0 MB in the beginning and 236.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 251.04 ms. Allocated memory is still 304.1 MB. Free memory was 235.1 MB in the beginning and 222.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L16] char *s1; [L17] char *s2; [L18] int n = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, n=0] [L19] CALL cstrncat(s1, s2, n) VAL [\old(n)=0, s1={8:2}, s2={5:6}] [L4] char *s = s1; VAL [\old(n)=0, n=0, s={8:2}, s1={8:2}, s1={8:2}, s2={5:6}, s2={5:6}] [L5] FCALL \read(*s) VAL [\old(n)=0, n=0, s={8:2}, s1={8:2}, s1={8:2}, s2={5:6}, s2={5:6}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 11 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=70occurred 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, 18 NumberOfCodeBlocks, 18 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 /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_22-33-19-530.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_22-33-19-530.csv Received shutdown request...