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/regression/bpl/interprocedural/BugSubstitution.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:27,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:27,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:27,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:27,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:27,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:27,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:27,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:27,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:27,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:27,512 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:27,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:27,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:27,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:27,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:27,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:27,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:27,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:27,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:27,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:27,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:27,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:27,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:27,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:27,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:27,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:27,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:27,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:27,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:27,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:27,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:27,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:27,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:27,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:27,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:27,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:27,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:27,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:27,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:27,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:27,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:27,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:27,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:27,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:27,599 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:27,600 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:27,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugSubstitution.bpl [2019-08-06 16:58:27,601 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugSubstitution.bpl' [2019-08-06 16:58:27,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:27,637 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:27,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:27,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:27,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:27,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:27,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:27,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:27,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:27,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (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 16:58:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure test_proc [2019-08-06 16:58:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test_proc [2019-08-06 16:58:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-06 16:58:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-06 16:58:27,806 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:58:27,940 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:27,940 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:27,942 INFO L202 PluginConnector]: Adding new model BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27 BoogieIcfgContainer [2019-08-06 16:58:27,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:27,942 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,943 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:27,943 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:27,944 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,956 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-06 16:58:27,960 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:27,967 INFO L160 IcfgInterpreter]: Initial procedures are [test_proc, Main] [2019-08-06 16:58:27,975 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:27,977 INFO L185 IcfgInterpreter]: Interpreting procedure test_proc with input of size 1 [2019-08-06 16:58:28,014 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-06 16:58:28,038 INFO L185 IcfgInterpreter]: Interpreting procedure test_proc with input of size 12 [2019-08-06 16:58:28,041 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:28,041 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:28,044 INFO L179 IcfgInterpreter]: Location MainErr1ASSERT_VIOLATIONASSERT has predicate 15#false [2019-08-06 16:58:28,044 INFO L179 IcfgInterpreter]: Location MainErr0REQUIRES_VIOLATIONPRE_CONDITION has predicate 19#false [2019-08-06 16:58:28,045 INFO L179 IcfgInterpreter]: Location test_procErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 23#(or (and (<= 0 test_proc_x) (= z_glob (- 1)) (not (< 0 test_proc_res)) (= (+ test_proc_x 1) test_proc_res)) (and (= test_proc_x 1) (<= 0 test_proc_x) (= z_glob (- 1)) (= x_glob y_glob) (= x_glob 42) (not (< 0 test_proc_res)) (= (+ test_proc_x 1) test_proc_res))) [2019-08-06 16:58:28,046 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:28,053 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:28,056 INFO L168 Benchmark]: Toolchain (without parser) took 418.29 ms. Allocated memory is still 140.0 MB. Free memory was 108.2 MB in the beginning and 91.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:28,057 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:28,058 INFO L168 Benchmark]: Boogie Preprocessor took 36.55 ms. Allocated memory is still 140.0 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:28,060 INFO L168 Benchmark]: RCFGBuilder took 267.44 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 96.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:28,061 INFO L168 Benchmark]: Symbolic Interpretation took 111.02 ms. Allocated memory is still 140.0 MB. Free memory was 96.1 MB in the beginning and 91.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:28,065 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 6]: procedure precondition always holds For all program executions holds that procedure precondition always holds at this location - UnprovableResult [Line: 6]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition 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 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.55 ms. Allocated memory is still 140.0 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.44 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 96.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 111.02 ms. Allocated memory is still 140.0 MB. Free memory was 96.1 MB in the beginning and 91.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...