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_27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:17:09,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:17:09,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:17:09,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:17:09,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:17:09,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:17:09,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:17:09,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:17:09,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:17:09,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:17:09,391 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:17:09,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:17:09,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:17:09,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:17:09,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:17:09,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:17:09,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:17:09,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:17:09,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:17:09,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:17:09,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:17:09,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:17:09,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:17:09,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:17:09,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:17:09,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:17:09,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:17:09,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:17:09,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:17:09,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:17:09,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:17:09,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:17:09,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:17:09,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:17:09,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:17:09,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:17:09,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:17:09,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:17:09,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:17:09,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:17:09,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:17:09,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:17:09,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:17:09,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:17:09,463 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:17:09,464 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:17:09,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_27.bpl [2019-08-09 14:17:09,465 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_27.bpl' [2019-08-09 14:17:09,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:17:09,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:17:09,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:17:09,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:17:09,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:17:09,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (1/1) ... [2019-08-09 14:17:09,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:17:09,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:17:09,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:17:09,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:17:09,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:09" (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 14:17:09,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:17:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:17:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:17:10,051 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:17:10,051 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:17:10,053 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:10 BoogieIcfgContainer [2019-08-09 14:17:10,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:17:10,055 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:17:10,055 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:17:10,055 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:17:10,057 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "dll_extends_pointer_true-valid-memsafety.i_27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:10" (1/1) ... [2019-08-09 14:17:10,709 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-08-09 14:17:10,877 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-09 14:17:11,002 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-09 14:17:12,039 WARN L188 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2019-08-09 14:17:12,308 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-08-09 14:17:12,531 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-09 14:17:18,596 WARN L188 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 184 DAG size of output: 163 [2019-08-09 14:17:21,696 WARN L188 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-09 14:17:23,294 WARN L188 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 155 [2019-08-09 14:17:24,125 WARN L188 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-09 14:17:24,788 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-09 14:17:25,925 WARN L188 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2019-08-09 14:17:26,264 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-08-09 14:17:26,517 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-08-09 14:17:26,530 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:26,538 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:26,540 INFO L168 Benchmark]: Toolchain (without parser) took 17016.49 ms. Allocated memory was 132.6 MB in the beginning and 295.7 MB in the end (delta: 163.1 MB). Free memory was 107.3 MB in the beginning and 213.4 MB in the end (delta: -106.2 MB). Peak memory consumption was 206.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,540 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,544 INFO L168 Benchmark]: Boogie Preprocessor took 90.27 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 104.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,545 INFO L168 Benchmark]: RCFGBuilder took 439.20 ms. Allocated memory is still 132.6 MB. Free memory was 104.7 MB in the beginning and 89.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,547 INFO L168 Benchmark]: Symbolic Interpretation took 16483.13 ms. Allocated memory was 132.6 MB in the beginning and 295.7 MB in the end (delta: 163.1 MB). Free memory was 89.1 MB in the beginning and 213.4 MB in the end (delta: -124.3 MB). Peak memory consumption was 188.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,551 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 194]: 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 31#(and (= 0 ULTIMATE.start_main_~list~0.base) (= |ULTIMATE.start_main_#res| 0) (= ULTIMATE.start_main_~list~0.offset 0) (not (= |ULTIMATE.start_main_old_#valid| |#valid|))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.27 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 104.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.20 ms. Allocated memory is still 132.6 MB. Free memory was 104.7 MB in the beginning and 89.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 16483.13 ms. Allocated memory was 132.6 MB in the beginning and 295.7 MB in the end (delta: 163.1 MB). Free memory was 89.1 MB in the beginning and 213.4 MB in the end (delta: -124.3 MB). Peak memory consumption was 188.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...