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/dll_extends_pointer_true-valid-memsafety.i_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:16:46,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:16:46,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:16:46,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:16:46,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:16:46,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:16:46,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:16:46,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:16:46,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:16:46,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:16:46,521 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:16:46,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:16:46,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:16:46,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:16:46,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:16:46,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:16:46,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:16:46,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:16:46,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:16:46,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:16:46,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:16:46,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:16:46,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:16:46,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:16:46,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:16:46,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:16:46,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:16:46,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:16:46,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:16:46,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:16:46,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:16:46,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:16:46,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:16:46,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:16:46,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:16:46,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:16:46,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:16:46,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:16:46,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:16:46,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:16:46,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:16:46,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:16:46,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:16:46,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:16:46,596 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:16:46,596 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:16:46,597 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_29.bpl [2019-08-09 14:16:46,597 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_29.bpl' [2019-08-09 14:16:46,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:16:46,653 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:16:46,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:16:46,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:16:46,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:16:46,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (1/1) ... [2019-08-09 14:16:46,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:16:46,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:16:46,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:16:46,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:16:46,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:46" (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 14:16:46,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:16:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:16:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:16:47,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:16:47,242 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:16:47,245 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:47 BoogieIcfgContainer [2019-08-09 14:16:47,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:16:47,246 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:16:47,246 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:16:47,247 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:16:47,248 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "dll_extends_pointer_true-valid-memsafety.i_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,872 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-08-09 14:16:48,035 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-09 14:16:48,181 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-09 14:16:49,293 WARN L188 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2019-08-09 14:16:49,604 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-08-09 14:16:49,839 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-09 14:16:58,499 WARN L188 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 188 DAG size of output: 166 [2019-08-09 14:17:02,569 WARN L188 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 163 [2019-08-09 14:17:05,232 WARN L188 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 158 [2019-08-09 14:17:06,435 WARN L188 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 153 [2019-08-09 14:17:07,741 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 153 DAG size of output: 142 [2019-08-09 14:17:08,809 WARN L188 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2019-08-09 14:17:09,362 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-08-09 14:17:09,640 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-08-09 14:17:09,663 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:09,671 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:09,675 INFO L168 Benchmark]: Toolchain (without parser) took 23020.54 ms. Allocated memory was 137.4 MB in the beginning and 336.1 MB in the end (delta: 198.7 MB). Free memory was 105.1 MB in the beginning and 217.0 MB in the end (delta: -111.9 MB). Peak memory consumption was 242.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:09,676 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:17:09,683 INFO L168 Benchmark]: Boogie Preprocessor took 59.61 ms. Allocated memory is still 137.4 MB. Free memory was 104.9 MB in the beginning and 102.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:09,684 INFO L168 Benchmark]: RCFGBuilder took 531.50 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 86.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:09,685 INFO L168 Benchmark]: Symbolic Interpretation took 22425.52 ms. Allocated memory was 137.4 MB in the beginning and 336.1 MB in the end (delta: 198.7 MB). Free memory was 86.5 MB in the beginning and 217.0 MB in the end (delta: -130.5 MB). Peak memory consumption was 223.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:09,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 192]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 34#(and (= ULTIMATE.start_main_~list~0.offset |ULTIMATE.start_read~$Pointer$_#ptr.offset|) (= ULTIMATE.start_main_~y~0.base ULTIMATE.start_main_~list~0.base) (or (and (= |#NULL.base| 0) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 13) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)) (and (= |#NULL.base| 0) (= |ULTIMATE.start_main_#t~malloc0.offset| 0) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 13) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))) (or (not (= 0 ULTIMATE.start_main_~list~0.base)) (not (= ULTIMATE.start_main_~list~0.offset 0))) (not (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|))) (= 4 |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (= ULTIMATE.start_main_~list~0.offset ULTIMATE.start_main_~y~0.offset) (= |ULTIMATE.start_read~$Pointer$_#ptr.base| ULTIMATE.start_main_~list~0.base)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.61 ms. Allocated memory is still 137.4 MB. Free memory was 104.9 MB in the beginning and 102.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 531.50 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 86.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 22425.52 ms. Allocated memory was 137.4 MB in the beginning and 336.1 MB in the end (delta: 198.7 MB). Free memory was 86.5 MB in the beginning and 217.0 MB in the end (delta: -130.5 MB). Peak memory consumption was 223.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...