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/WhileLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:50:24,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:24,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:24,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:24,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:24,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:24,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:24,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:24,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:24,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:24,433 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:24,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:24,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:24,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:24,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:24,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:24,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:24,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:24,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:24,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:24,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:24,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:24,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:24,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:24,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:24,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:24,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:24,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:24,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:24,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:24,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:24,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:24,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:24,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:24,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:24,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:24,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:24,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:24,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:24,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:24,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:24,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:24,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:24,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:24,528 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:24,528 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:24,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/WhileLoop.bpl [2019-08-05 11:50:24,529 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/WhileLoop.bpl' [2019-08-05 11:50:24,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:24,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:24,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:24,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:24,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:24,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:24,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:24,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:24,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:24,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:24" (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 11:50:24,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 11:50:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:50:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:50:24,902 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:50:24,903 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:50:24,904 INFO L202 PluginConnector]: Adding new model WhileLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:24 BoogieIcfgContainer [2019-08-05 11:50:24,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:24,905 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:24,905 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:24,905 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:24,907 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:24" (1/1) ... [2019-08-05 11:50:24,919 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:24,922 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:24,929 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 11:50:24,938 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:24,939 INFO L184 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 11:50:25,240 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 11:50:25,369 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2019-08-05 11:50:25,697 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2019-08-05 11:50:25,763 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:25,763 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:25,767 INFO L178 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= foo_y (+ foo_x 1)) (< foo_i 6) (not (< foo_i 5)) (not (= 5 foo_x))) [2019-08-05 11:50:25,775 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:25,777 INFO L168 Benchmark]: Toolchain (without parser) took 1220.94 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 75.0 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:25,779 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:50:25,780 INFO L168 Benchmark]: Boogie Preprocessor took 44.36 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:25,781 INFO L168 Benchmark]: RCFGBuilder took 303.66 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:25,782 INFO L168 Benchmark]: Symbolic Interpretation took 870.07 ms. Allocated memory is still 133.2 MB. Free memory was 98.4 MB in the beginning and 75.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:25,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.36 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 303.66 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 870.07 ms. Allocated memory is still 133.2 MB. Free memory was 98.4 MB in the beginning and 75.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...