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/alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:13:40,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:13:40,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:13:40,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:13:40,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:13:40,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:13:40,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:13:40,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:13:40,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:13:40,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:13:40,454 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:13:40,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:13:40,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:13:40,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:13:40,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:13:40,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:13:40,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:13:40,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:13:40,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:13:40,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:13:40,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:13:40,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:13:40,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:13:40,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:13:40,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:13:40,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:13:40,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:13:40,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:13:40,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:13:40,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:13:40,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:13:40,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:13:40,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:13:40,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:13:40,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:13:40,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:13:40,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:13:40,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:13:40,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:13:40,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:13:40,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:13:40,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:13:40,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:13:40,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:13:40,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:13:40,532 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:13:40,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl [2019-08-05 18:13:40,534 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl' [2019-08-05 18:13:40,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:13:40,605 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:13:40,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:13:40,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:13:40,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:13:40,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (1/1) ... [2019-08-05 18:13:40,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:13:40,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:13:40,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:13:40,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:13:40,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:40" (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 [2019-08-05 18:13:40,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:13:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:13:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:13:41,303 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 18:13:41,494 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:13:41,495 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:13:41,496 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:41 BoogieIcfgContainer [2019-08-05 18:13:41,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:13:41,497 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:13:41,497 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:13:41,498 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:13:41,499 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:41" (1/1) ... [2019-08-05 18:13:41,510 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:13:41,513 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:13:41,520 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:13:41,528 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:13:41,530 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:13:41,835 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:13:41,836 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:13:41,839 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 63#(and (or (and (<= |ULTIMATE.start_read~$Pointer$_#ptr.offset| (select |#length| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= |ULTIMATE.start_read~int_#value| 2) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |ULTIMATE.start_read~$Pointer$_#ptr.base|) (+ |ULTIMATE.start_read~$Pointer$_#ptr.offset| (- 4)))) (= ULTIMATE.start_main_~flag~0 1) (<= 4 |ULTIMATE.start_read~$Pointer$_#ptr.offset|)) (and (<= |ULTIMATE.start_read~$Pointer$_#ptr.offset| (select |#length| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (exists ((v_ULTIMATE.start_main_~flag~0_30 Int)) (not (= v_ULTIMATE.start_main_~flag~0_30 0))) (= ULTIMATE.start_main_~flag~0 0) (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= |ULTIMATE.start_read~int_#value| 1) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |ULTIMATE.start_read~$Pointer$_#ptr.base|) (+ |ULTIMATE.start_read~$Pointer$_#ptr.offset| (- 4)))) (<= 4 |ULTIMATE.start_read~$Pointer$_#ptr.offset|))) (= |ULTIMATE.start_read~int_#ptr.offset| ULTIMATE.start_main_~p~0.offset) (= |ULTIMATE.start_read~$Pointer$_#value.base| ULTIMATE.start_main_~p~0.base) (not (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_read~$Pointer$_#ptr.base|) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) |ULTIMATE.start_read~$Pointer$_#value.base|) (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= |ULTIMATE.start_read~$Pointer$_#value.offset| ULTIMATE.start_main_~p~0.offset) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_read~$Pointer$_#ptr.base|) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) |ULTIMATE.start_read~$Pointer$_#value.offset|) (<= 0 |ULTIMATE.start_read~$Pointer$_#ptr.offset|) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.base) (<= (+ |ULTIMATE.start_read~$Pointer$_#ptr.offset| |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (select |#length| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= 4 |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (exists ((|v_ULTIMATE.start_read~int_#ptr.offset_11| Int) (|v_ULTIMATE.start_read~int_#sizeOfReadType_11| Int) (|v_ULTIMATE.start_read~int_#ptr.base_12| Int) (|v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_11| Int)) (and (not (= 3 (select (select |#memory_int| |v_ULTIMATE.start_read~int_#ptr.base_12|) |v_ULTIMATE.start_read~int_#ptr.offset_11|))) (= 1 (select |#valid| |v_ULTIMATE.start_read~int_#ptr.base_12|)) (<= (+ |v_ULTIMATE.start_read~int_#ptr.offset_11| |v_ULTIMATE.start_read~int_#sizeOfReadType_11|) (select |#length| |v_ULTIMATE.start_read~int_#ptr.base_12|)) (or (and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 8) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| 3) (= |v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_11| 4) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_11|)) (and (= |v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_11| 4) (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_11|))) (<= 0 |v_ULTIMATE.start_read~int_#ptr.offset_11|)))) [2019-08-05 18:13:41,843 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:13:41,854 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:13:41,857 INFO L168 Benchmark]: Toolchain (without parser) took 1252.18 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 106.8 MB in the beginning and 148.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:41,859 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:13:41,862 INFO L168 Benchmark]: Boogie Preprocessor took 90.95 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 104.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:41,863 INFO L168 Benchmark]: RCFGBuilder took 799.70 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 78.7 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:41,864 INFO L168 Benchmark]: Symbolic Interpretation took 357.17 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 78.7 MB in the beginning and 148.8 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:41,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 197]: 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 0.24 ms. Allocated memory is still 140.5 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.95 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 104.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 799.70 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 78.7 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 357.17 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 78.7 MB in the beginning and 148.8 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...