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-b03553c [2019-08-05 18:15:37,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:37,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:37,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:37,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:37,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:37,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:37,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:37,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:37,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:37,839 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:37,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:37,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:37,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:37,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:37,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:37,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:37,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:37,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:37,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:37,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:37,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:37,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:37,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:37,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:37,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:37,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:37,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:37,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:37,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:37,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:37,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:37,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:37,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:37,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:37,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:37,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:37,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:37,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:37,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:37,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:37,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:37,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:37,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:37,950 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:37,951 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:37,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugSubstitution.bpl [2019-08-05 18:15:37,953 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugSubstitution.bpl' [2019-08-05 18:15:37,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:37,992 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:37,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:37,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:37,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:38,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (1/1) ... [2019-08-05 18:15:38,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:38,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:38,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:38,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:38,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:37" (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 18:15:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure test_proc [2019-08-05 18:15:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test_proc [2019-08-05 18:15:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 18:15:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 18:15:38,196 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:15:38,388 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:38,388 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:38,390 INFO L202 PluginConnector]: Adding new model BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:38 BoogieIcfgContainer [2019-08-05 18:15:38,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:38,391 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:38,391 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:38,391 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:38,392 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugSubstitution.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:38" (1/1) ... [2019-08-05 18:15:38,405 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-05 18:15:38,408 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:38,422 INFO L160 IcfgInterpreter]: Initial procedures are [test_proc, Main] [2019-08-05 18:15:38,433 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:38,435 INFO L185 IcfgInterpreter]: Interpreting procedure test_proc with input of size 1 [2019-08-05 18:15:38,479 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-05 18:15:38,504 INFO L185 IcfgInterpreter]: Interpreting procedure test_proc with input of size 12 [2019-08-05 18:15:38,506 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:38,506 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:38,510 INFO L179 IcfgInterpreter]: Location MainErr1ASSERT_VIOLATIONASSERT has predicate 15#false [2019-08-05 18:15:38,510 INFO L179 IcfgInterpreter]: Location MainErr0REQUIRES_VIOLATIONPRE_CONDITION has predicate 19#false [2019-08-05 18:15:38,511 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))) [2019-08-05 18:15:38,512 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:38,521 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:38,524 INFO L168 Benchmark]: Toolchain (without parser) took 531.32 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 92.8 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:38,526 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:38,527 INFO L168 Benchmark]: Boogie Preprocessor took 44.82 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:38,530 INFO L168 Benchmark]: RCFGBuilder took 352.33 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 97.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:38,532 INFO L168 Benchmark]: Symbolic Interpretation took 130.64 ms. Allocated memory is still 133.7 MB. Free memory was 97.9 MB in the beginning and 92.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:38,538 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 0.29 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.82 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.33 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 97.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 130.64 ms. Allocated memory is still 133.7 MB. Free memory was 97.9 MB in the beginning and 92.8 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...