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_36.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:17:25,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:17:25,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:17:25,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:17:25,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:17:25,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:17:25,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:17:25,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:17:25,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:17:25,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:17:25,558 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:17:25,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:17:25,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:17:25,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:17:25,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:17:25,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:17:25,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:17:25,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:17:25,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:17:25,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:17:25,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:17:25,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:17:25,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:17:25,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:17:25,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:17:25,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:17:25,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:17:25,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:17:25,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:17:25,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:17:25,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:17:25,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:17:25,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:17:25,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:17:25,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:17:25,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:17:25,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:17:25,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:17:25,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:17:25,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:17:25,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:17:25,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:17:25,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:17:25,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:17:25,643 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:17:25,643 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:17:25,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_36.bpl [2019-08-09 14:17:25,644 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_36.bpl' [2019-08-09 14:17:25,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:17:25,702 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:17:25,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:17:25,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:17:25,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:17:25,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (1/1) ... [2019-08-09 14:17:25,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:17:25,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:17:25,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:17:25,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:17:25,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:25" (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 14:17:25,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:17:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:17:25,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:17:26,222 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:17:26,222 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:17:26,224 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:26 BoogieIcfgContainer [2019-08-09 14:17:26,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:17:26,225 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:17:26,225 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:17:26,226 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:17:26,227 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "dll_extends_pointer_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:26" (1/1) ... [2019-08-09 14:17:26,864 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-08-09 14:17:27,017 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-09 14:17:27,151 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-09 14:17:28,235 WARN L188 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 120 [2019-08-09 14:17:28,522 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-09 14:17:28,767 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-09 14:17:35,658 WARN L188 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 212 DAG size of output: 186 [2019-08-09 14:17:39,126 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 182 [2019-08-09 14:17:41,460 WARN L188 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 177 [2019-08-09 14:17:42,665 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 172 [2019-08-09 14:17:43,497 WARN L188 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-08-09 14:17:43,703 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-08-09 14:17:44,967 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 165 DAG size of output: 148 [2019-08-09 14:17:46,024 WARN L188 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 99 [2019-08-09 14:17:46,453 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2019-08-09 14:17:46,666 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-09 14:17:46,968 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-08-09 14:17:46,997 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:47,004 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:47,006 INFO L168 Benchmark]: Toolchain (without parser) took 21305.13 ms. Allocated memory was 138.4 MB in the beginning and 352.3 MB in the end (delta: 213.9 MB). Free memory was 106.3 MB in the beginning and 237.0 MB in the end (delta: -130.8 MB). Peak memory consumption was 224.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:47,007 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:17:47,008 INFO L168 Benchmark]: Boogie Preprocessor took 83.75 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 103.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:47,009 INFO L168 Benchmark]: RCFGBuilder took 437.07 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 86.9 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:47,010 INFO L168 Benchmark]: Symbolic Interpretation took 20779.35 ms. Allocated memory was 138.4 MB in the beginning and 352.3 MB in the end (delta: 213.9 MB). Free memory was 86.7 MB in the beginning and 237.0 MB in the end (delta: -150.3 MB). Peak memory consumption was 204.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:47,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 202]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 34#(and (= ULTIMATE.start_main_~list~0.offset |ULTIMATE.start_read~$Pointer$_#value.offset|) (= |ULTIMATE.start_read~$Pointer$_#value.base| ULTIMATE.start_main_~list~0.base) (= 1 (select |#valid| ULTIMATE.start_main_~y~0.base)) (= |ULTIMATE.start_read~$Pointer$_#value.offset| (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)) (<= (+ ULTIMATE.start_main_~y~0.offset 4) (select |#length| ULTIMATE.start_main_~y~0.base)) (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset) |ULTIMATE.start_read~$Pointer$_#value.base|) (<= 0 ULTIMATE.start_main_~y~0.offset) (or (not (<= 0 |ULTIMATE.start_read~$Pointer$_#ptr.offset|)) (not (<= (+ |ULTIMATE.start_read~$Pointer$_#ptr.offset| |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (select |#length| |ULTIMATE.start_read~$Pointer$_#ptr.base|)))) (or (and (= |#NULL.base| 0) (= |ULTIMATE.start_main_#t~malloc0.offset| 0) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |ULTIMATE.start_main_#t~malloc2.offset| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_~size| 1) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)) (and (= |#NULL.base| 0) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))) (= |ULTIMATE.start_read~$Pointer$_#ptr.base| ULTIMATE.start_main_~y~0.base) (or (not (= ULTIMATE.start_main_~y~0.offset 0)) (not (= 0 ULTIMATE.start_main_~y~0.base))) (= 4 |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (= (+ ULTIMATE.start_main_~y~0.offset 8) |ULTIMATE.start_read~$Pointer$_#ptr.offset|)). 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 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.75 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 103.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 437.07 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 86.9 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20779.35 ms. Allocated memory was 138.4 MB in the beginning and 352.3 MB in the end (delta: 213.9 MB). Free memory was 86.7 MB in the beginning and 237.0 MB in the end (delta: -150.3 MB). Peak memory consumption was 204.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...