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/merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:15:45,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:15:45,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:15:45,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:15:45,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:15:45,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:15:45,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:15:45,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:15:45,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:15:45,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:15:45,676 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:15:45,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:15:45,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:15:45,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:15:45,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:15:45,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:15:45,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:15:45,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:15:45,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:15:45,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:15:45,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:15:45,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:15:45,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:15:45,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:15:45,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:15:45,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:15:45,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:15:45,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:15:45,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:15:45,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:15:45,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:15:45,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:15:45,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:15:45,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:15:45,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:15:45,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:15:45,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:15:45,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:15:45,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:15:45,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:15:45,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:15:45,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:15:45,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:15:45,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:15:45,774 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:15:45,774 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:15:45,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl [2019-08-09 14:15:45,775 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl' [2019-08-09 14:15:45,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:15:45,846 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:15:45,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:15:45,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:15:45,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:15:45,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:15:45,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:15:45,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:15:45,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:15:45,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (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 14:15:46,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:15:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:15:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:15:46,488 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:15:46,489 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:15:46,490 INFO L202 PluginConnector]: Adding new model merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:46 BoogieIcfgContainer [2019-08-09 14:15:46,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:15:46,491 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:15:46,491 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:15:46,491 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:15:46,492 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:46" (1/1) ... [2019-08-09 14:15:46,775 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:46,881 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:46,920 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:47,890 WARN L188 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 123 [2019-08-09 14:15:48,297 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-09 14:15:48,553 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-09 14:15:48,665 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:48,693 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:48,751 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:59,195 WARN L188 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 221 DAG size of output: 181 [2019-08-09 14:16:02,190 WARN L188 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 179 [2019-08-09 14:16:04,619 WARN L188 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 177 [2019-08-09 14:16:06,414 WARN L188 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 175 [2019-08-09 14:16:07,804 WARN L188 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 173 [2019-08-09 14:16:09,084 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 169 [2019-08-09 14:16:09,910 WARN L188 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-08-09 14:16:09,960 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:09,985 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:10,025 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:10,573 WARN L188 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 115 [2019-08-09 14:16:10,871 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-09 14:16:11,082 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-09 14:16:11,294 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-09 14:16:11,327 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:16:11,334 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:16:11,337 INFO L168 Benchmark]: Toolchain (without parser) took 25490.79 ms. Allocated memory was 136.8 MB in the beginning and 300.9 MB in the end (delta: 164.1 MB). Free memory was 108.7 MB in the beginning and 67.5 MB in the end (delta: 41.2 MB). Peak memory consumption was 207.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:11,338 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:16:11,339 INFO L168 Benchmark]: Boogie Preprocessor took 83.86 ms. Allocated memory is still 136.8 MB. Free memory was 108.5 MB in the beginning and 105.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:11,340 INFO L168 Benchmark]: RCFGBuilder took 559.60 ms. Allocated memory is still 136.8 MB. Free memory was 105.9 MB in the beginning and 87.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:11,341 INFO L168 Benchmark]: Symbolic Interpretation took 24844.02 ms. Allocated memory was 136.8 MB in the beginning and 300.9 MB in the end (delta: 164.1 MB). Free memory was 87.4 MB in the beginning and 67.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 186.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:11,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 249]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 48#(and (= (+ ULTIMATE.start_inspect_before_~shape.offset 4) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) (not (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|))) (= 4 |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (= ULTIMATE.start_inspect_before_~shape.base |ULTIMATE.start_read~$Pointer$_#ptr.base|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.86 ms. Allocated memory is still 136.8 MB. Free memory was 108.5 MB in the beginning and 105.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.60 ms. Allocated memory is still 136.8 MB. Free memory was 105.9 MB in the beginning and 87.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 24844.02 ms. Allocated memory was 136.8 MB in the beginning and 300.9 MB in the end (delta: 164.1 MB). Free memory was 87.4 MB in the beginning and 67.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 186.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...