java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:16:11,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:16:11,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:16:11,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:16:11,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:16:11,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:16:11,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:16:11,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:16:11,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:16:11,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:16:11,938 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:16:11,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:16:11,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:16:11,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:16:11,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:16:11,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:16:11,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:16:11,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:16:11,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:16:11,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:16:11,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:16:11,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:16:11,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:16:11,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:16:11,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:16:11,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:16:11,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:16:11,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:16:11,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:16:11,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:16:11,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:16:11,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:16:11,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:16:11,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:16:11,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:16:11,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:16:11,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:16:11,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:16:11,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:16:11,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:16:11,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:16:12,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:16:12,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:16:12,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:16:12,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:16:12,024 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:16:12,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl [2019-08-09 14:16:12,025 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl' [2019-08-09 14:16:12,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:16:12,064 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:16:12,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:16:12,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:16:12,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:16:12,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:16:12,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:16:12,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:16:12,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:16:12,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-09 14:16:12,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:16:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:16:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:16:12,436 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:16:12,437 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:16:12,438 INFO L202 PluginConnector]: Adding new model reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:12 BoogieIcfgContainer [2019-08-09 14:16:12,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:16:12,439 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:16:12,439 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:16:12,439 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:16:12,440 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:12" (1/1) ... [2019-08-09 14:16:12,593 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:12,980 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-08-09 14:16:13,076 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:16:13,087 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:16:13,089 INFO L168 Benchmark]: Toolchain (without parser) took 1024.94 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 108.8 MB in the beginning and 148.3 MB in the end (delta: -39.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:13,092 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:16:13,093 INFO L168 Benchmark]: Boogie Preprocessor took 38.72 ms. Allocated memory is still 132.6 MB. Free memory was 108.6 MB in the beginning and 106.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:13,094 INFO L168 Benchmark]: RCFGBuilder took 334.52 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 94.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:13,096 INFO L168 Benchmark]: Symbolic Interpretation took 648.52 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 94.6 MB in the beginning and 148.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:13,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 104]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 27#(and (or (not (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|))) (not (<= 0 |ULTIMATE.start_read~int_#ptr.offset|))) (or (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (and (= |#NULL.base| 0) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.72 ms. Allocated memory is still 132.6 MB. Free memory was 108.6 MB in the beginning and 106.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.52 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 94.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 648.52 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 94.6 MB in the beginning and 148.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...