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/toy/errorLocalization/nested_ifs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:50:11,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:11,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:11,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:11,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:11,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:11,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:11,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:11,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:11,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:11,671 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:11,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:11,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:11,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:11,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:11,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:11,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:11,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:11,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:11,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:11,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:11,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:11,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:11,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:11,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:11,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:11,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:11,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:11,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:11,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:11,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:11,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:11,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:11,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:11,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:11,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:11,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:11,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:11,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:11,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:11,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:11,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:11,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:11,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:11,748 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:11,749 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:11,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/nested_ifs.bpl [2019-08-05 11:50:11,750 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/nested_ifs.bpl' [2019-08-05 11:50:11,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:11,780 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:11,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:11,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:11,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:11,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (1/1) ... [2019-08-05 11:50:11,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:11,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:11,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:11,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:11,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:11" (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 11:50:11,884 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 11:50:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:50:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:50:12,100 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:50:12,101 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:50:12,102 INFO L202 PluginConnector]: Adding new model nested_ifs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:12 BoogieIcfgContainer [2019-08-05 11:50:12,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:12,102 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:12,102 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:12,103 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:12,104 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:12" (1/1) ... [2019-08-05 11:50:12,115 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:12,120 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:12,129 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 11:50:12,140 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:12,142 INFO L184 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 11:50:12,429 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2019-08-05 11:50:12,430 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:12,430 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:12,434 INFO L178 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= 1 foo_z) (= 1 foo_x) (= 0 foo_y)) [2019-08-05 11:50:12,440 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:12,442 INFO L168 Benchmark]: Toolchain (without parser) took 661.51 ms. Allocated memory is still 137.9 MB. Free memory was 109.4 MB in the beginning and 90.4 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:12,443 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:50:12,444 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 ms. Allocated memory is still 137.9 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:12,445 INFO L168 Benchmark]: RCFGBuilder took 285.44 ms. Allocated memory is still 137.9 MB. Free memory was 107.2 MB in the beginning and 96.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:12,446 INFO L168 Benchmark]: Symbolic Interpretation took 338.05 ms. Allocated memory is still 137.9 MB. Free memory was 96.3 MB in the beginning and 90.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:12,449 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 26]: 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 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.15 ms. Allocated memory is still 137.9 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 285.44 ms. Allocated memory is still 137.9 MB. Free memory was 107.2 MB in the beginning and 96.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 338.05 ms. Allocated memory is still 137.9 MB. Free memory was 96.3 MB in the beginning and 90.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...