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/LoopUnwinding-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:57,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:57,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:57,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:57,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:57,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:57,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:57,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:57,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:57,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:57,462 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:57,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:57,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:57,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:57,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:57,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:57,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:57,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:57,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:57,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:57,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:57,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:57,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:57,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:57,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:57,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:57,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:57,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:57,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:57,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:57,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:57,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:57,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:57,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:57,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:57,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:57,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:57,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:57,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:57,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:57,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:57,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:57,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:57,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:57,544 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:57,545 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:57,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopUnwinding-incorrect.bpl [2019-08-05 18:12:57,546 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopUnwinding-incorrect.bpl' [2019-08-05 18:12:57,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:57,581 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:57,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:57,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:57,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:57,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:57,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:57,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:57,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:57,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:57" (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 18:12:57,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure incorrectEx given in one single declaration [2019-08-05 18:12:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure incorrectEx [2019-08-05 18:12:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure incorrectEx [2019-08-05 18:12:57,948 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:57,948 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:12:57,950 INFO L202 PluginConnector]: Adding new model LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:57 BoogieIcfgContainer [2019-08-05 18:12:57,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:57,951 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:57,952 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:57,952 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:57,956 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:57" (1/1) ... [2019-08-05 18:12:57,970 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:57,975 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:57,985 INFO L160 IcfgInterpreter]: Initial procedures are [incorrectEx] [2019-08-05 18:12:57,997 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:58,001 INFO L185 IcfgInterpreter]: Interpreting procedure incorrectEx with input of size 1 [2019-08-05 18:12:58,078 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:58,078 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:58,081 INFO L179 IcfgInterpreter]: Location incorrectExErr0ASSERT_VIOLATIONASSERT has predicate 23#(not (<= 0 incorrectEx_i)) [2019-08-05 18:12:58,082 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:58,091 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:58,094 INFO L168 Benchmark]: Toolchain (without parser) took 511.69 ms. Allocated memory is still 139.5 MB. Free memory was 106.8 MB in the beginning and 90.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:58,096 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:58,097 INFO L168 Benchmark]: Boogie Preprocessor took 47.66 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:58,099 INFO L168 Benchmark]: RCFGBuilder took 320.93 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 95.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:58,100 INFO L168 Benchmark]: Symbolic Interpretation took 139.51 ms. Allocated memory is still 139.5 MB. Free memory was 95.8 MB in the beginning and 90.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:58,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.66 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 320.93 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 95.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 139.51 ms. Allocated memory is still 139.5 MB. Free memory was 95.8 MB in the beginning and 90.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...