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-e6f8464 [2019-08-06 14:23:14,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:23:14,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:23:14,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:23:14,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:23:14,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:23:14,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:23:14,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:23:14,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:23:14,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:23:14,596 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:23:14,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:23:14,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:23:14,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:23:14,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:23:14,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:23:14,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:23:14,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:23:14,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:23:14,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:23:14,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:23:14,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:23:14,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:23:14,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:23:14,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-06 14:23:14,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:23:14,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:23:14,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:23:14,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:23:14,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:23:14,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:23:14,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:23:14,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:23:14,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:23:14,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:23:14,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:23:14,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:23:14,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:23:14,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:23:14,709 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:23:14,710 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:23:14,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl [2019-08-06 14:23:14,712 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/merge_sort_true-unreach-call_true-valid-memsafety.i_19.bpl' [2019-08-06 14:23:14,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:23:14,787 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:23:14,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:23:14,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:23:14,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:23:14,813 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,815 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,840 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,840 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,865 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,869 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,873 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 06.08 02:23:14" (1/1) ... [2019-08-06 14:23:14,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:23:14,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:23:14,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:23:14,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:23:14,888 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 06.08 02:23:14" (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 [2019-08-06 14:23:14,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 14:23:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 14:23:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 14:23:15,319 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 14:23:15,319 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:23:15,321 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 06.08 02:23:15 BoogieIcfgContainer [2019-08-06 14:23:15,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:23:15,322 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:23:15,322 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:23:15,322 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:23:15,323 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 06.08 02:23:15" (1/1) ... [2019-08-06 14:23:15,339 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:23:15,347 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:23:15,366 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 14:23:15,385 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:23:15,386 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 14:23:15,800 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:23:15,801 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:23:15,804 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 48#(and (exists ((|v_ULTIMATE.start_read~$Pointer$_#ptr.base_13| Int) (|v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| Int)) (and (<= (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| 4) (select |#length| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4)))) (<= 4 |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4))))) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4))) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4))))) (= |ULTIMATE.start_read~$Pointer$_#value.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12|)) (= 1 (select |#valid| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4)))) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4)))) 0) (or (not (= 0 |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|)) (not (= 0 (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4))))) (<= 0 |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4)))) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4)))) 0) (or (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (- 4))) 0))) (= |ULTIMATE.start_read~$Pointer$_#value.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12|)) (<= |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12| (select |#length| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|)) (or (not (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12|))) (not (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_13|) |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_12|)))))) (= |ULTIMATE.start_read~$Pointer$_#value.offset| ULTIMATE.start_inspect_before_~shape.offset) (= (+ ULTIMATE.start_inspect_before_~shape.offset 4) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) (= ULTIMATE.start_inspect_before_~shape.base |ULTIMATE.start_read~$Pointer$_#value.base|) (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|)) [2019-08-06 14:23:15,806 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:23:15,814 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:23:15,817 INFO L168 Benchmark]: Toolchain (without parser) took 1029.11 ms. Allocated memory is still 141.6 MB. Free memory was 109.0 MB in the beginning and 70.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:15,819 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 110.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 14:23:15,822 INFO L168 Benchmark]: Boogie Preprocessor took 95.00 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:15,824 INFO L168 Benchmark]: RCFGBuilder took 437.78 ms. Allocated memory is still 141.6 MB. Free memory was 106.2 MB in the beginning and 87.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:15,825 INFO L168 Benchmark]: Symbolic Interpretation took 492.21 ms. Allocated memory is still 141.6 MB. Free memory was 87.6 MB in the beginning and 70.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:15,831 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 110.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.00 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 437.78 ms. Allocated memory is still 141.6 MB. Free memory was 106.2 MB in the beginning and 87.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 492.21 ms. Allocated memory is still 141.6 MB. Free memory was 87.6 MB in the beginning and 70.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...