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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 12:47:38,157 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 12:47:38,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 12:47:38,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 12:47:38,172 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 12:47:38,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 12:47:38,173 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 12:47:38,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 12:47:38,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 12:47:38,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 12:47:38,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 12:47:38,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 12:47:38,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 12:47:38,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 12:47:38,181 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 12:47:38,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 12:47:38,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 12:47:38,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 12:47:38,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 12:47:38,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 12:47:38,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 12:47:38,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 12:47:38,189 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 12:47:38,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 12:47:38,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 12:47:38,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 12:47:38,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 12:47:38,193 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 12:47:38,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 12:47:38,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 12:47:38,194 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 12:47:38,194 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_Array.epf [2018-04-11 12:47:38,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 12:47:38,214 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 12:47:38,215 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 12:47:38,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 12:47:38,215 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 12:47:38,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 12:47:38,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 12:47:38,215 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 12:47:38,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 12:47:38,215 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 12:47:38,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 12:47:38,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:47:38,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 12:47:38,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 12:47:38,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 12:47:38,254 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 12:47:38,257 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 12:47:38,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 12:47:38,259 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 12:47:38,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-04-11 12:47:38,615 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbd9c50a4a [2018-04-11 12:47:38,689 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 12:47:38,689 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 12:47:38,689 INFO L168 CDTParser]: Scanning stroeder1_unsafe_false-valid-deref.i [2018-04-11 12:47:38,690 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 12:47:38,690 INFO L215 ultiparseSymbolTable]: [2018-04-11 12:47:38,690 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 12:47:38,690 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fstroeder__unsafe_false_valid_deref_i__sumOfThirdBytes ('sumOfThirdBytes') in stroeder1_unsafe_false-valid-deref.i [2018-04-11 12:47:38,691 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in stroeder1_unsafe_false-valid-deref.i [2018-04-11 12:47:38,691 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 12:47:38,691 INFO L233 ultiparseSymbolTable]: [2018-04-11 12:47:38,702 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbd9c50a4a [2018-04-11 12:47:38,705 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 12:47:38,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 12:47:38,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 12:47:38,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 12:47:38,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 12:47:38,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ef213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38, skipping insertion in model container [2018-04-11 12:47:38,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,723 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:47:38,734 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:47:38,827 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:47:38,846 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:47:38,850 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-11 12:47:38,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38 WrapperNode [2018-04-11 12:47:38,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 12:47:38,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 12:47:38,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 12:47:38,856 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 12:47:38,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (1/1) ... [2018-04-11 12:47:38,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 12:47:38,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 12:47:38,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 12:47:38,878 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 12:47:38,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (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 [2018-04-11 12:47:38,911 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 12:47:38,911 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 12:47:38,911 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstroeder__unsafe_false_valid_deref_i__sumOfThirdBytes [2018-04-11 12:47:38,911 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 12:47:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 12:47:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstroeder__unsafe_false_valid_deref_i__sumOfThirdBytes [2018-04-11 12:47:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 12:47:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 12:47:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 12:47:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 12:47:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 12:47:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 12:47:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 12:47:39,056 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 12:47:39,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:47:39 BoogieIcfgContainer [2018-04-11 12:47:39,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 12:47:39,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 12:47:39,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 12:47:39,058 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 12:47:39,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 12:47:38" (1/3) ... [2018-04-11 12:47:39,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff2f2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:47:39, skipping insertion in model container [2018-04-11 12:47:39,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:38" (2/3) ... [2018-04-11 12:47:39,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff2f2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:47:39, skipping insertion in model container [2018-04-11 12:47:39,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:47:39" (3/3) ... [2018-04-11 12:47:39,061 INFO L107 eAbstractionObserver]: Analyzing ICFG stroeder1_unsafe_false-valid-deref.i [2018-04-11 12:47:39,068 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 12:47:39,075 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 12:47:39,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 12:47:39,097 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 12:47:39,097 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 12:47:39,097 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 12:47:39,097 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 12:47:39,097 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 12:47:39,097 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 12:47:39,097 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 12:47:39,097 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 12:47:39,098 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 12:47:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-04-11 12:47:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 12:47:39,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:39,112 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:39,112 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fstroeder__unsafe_false_valid_deref_i__sumOfThirdBytesErr0RequiresViolation, __U_MULTI_fstroeder__unsafe_false_valid_deref_i__sumOfThirdBytesErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 12:47:39,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1614335889, now seen corresponding path program 1 times [2018-04-11 12:47:39,145 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 12:47:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 12:47:39,202 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 12:47:39,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 12:47:39 BoogieIcfgContainer [2018-04-11 12:47:39,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 12:47:39,220 INFO L168 Benchmark]: Toolchain (without parser) took 514.33 ms. Allocated memory was 402.1 MB in the beginning and 585.1 MB in the end (delta: 183.0 MB). Free memory was 339.6 MB in the beginning and 538.1 MB in the end (delta: -198.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:47:39,221 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 402.1 MB. Free memory is still 359.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:47:39,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.54 ms. Allocated memory is still 402.1 MB. Free memory was 339.6 MB in the beginning and 329.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:39,222 INFO L168 Benchmark]: Boogie Preprocessor took 21.25 ms. Allocated memory is still 402.1 MB. Free memory was 329.0 MB in the beginning and 327.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:39,223 INFO L168 Benchmark]: RCFGBuilder took 178.91 ms. Allocated memory was 402.1 MB in the beginning and 585.1 MB in the end (delta: 183.0 MB). Free memory was 327.7 MB in the beginning and 553.1 MB in the end (delta: -225.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:39,223 INFO L168 Benchmark]: TraceAbstraction took 162.23 ms. Allocated memory is still 585.1 MB. Free memory was 553.1 MB in the beginning and 538.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:39,226 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 402.1 MB. Free memory is still 359.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 149.54 ms. Allocated memory is still 402.1 MB. Free memory was 339.6 MB in the beginning and 329.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 21.25 ms. Allocated memory is still 402.1 MB. Free memory was 329.0 MB in the beginning and 327.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 178.91 ms. Allocated memory was 402.1 MB in the beginning and 585.1 MB in the end (delta: 183.0 MB). Free memory was 327.7 MB in the beginning and 553.1 MB in the end (delta: -225.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 162.23 ms. Allocated memory is still 585.1 MB. Free memory was 553.1 MB in the beginning and 538.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L15] int* numbers; [L16] int array_size = __VERIFIER_nondet_int(); [L17] CALL sumOfThirdBytes(numbers, array_size) VAL [\old(array_size)=1, numbers={4:-2}] [L4] int i, sum; [L5] char* p; [L6] sum = 0 [L7] i = 0 VAL [\old(array_size)=1, array_size=1, i=0, numbers={4:-2}, numbers={4:-2}, sum=0] [L7] COND TRUE i < array_size [L8] p = &(numbers[i]) [L9] p = p + 2 VAL [\old(array_size)=1, array_size=1, i=0, numbers={4:-2}, numbers={4:-2}, p={4:0}, sum=0] [L10] FCALL \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 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=24occurred 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, 11 NumberOfCodeBlocks, 11 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/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_12-47-39-234.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_12-47-39-234.csv Received shutdown request...