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-b8c145f [2019-08-05 11:50:34,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:34,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:34,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:34,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:34,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:34,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:34,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:34,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:34,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:34,726 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:34,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:34,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:34,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:34,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:34,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:34,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:34,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:34,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:34,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:34,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:34,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:34,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:34,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:34,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:34,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:34,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:34,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:34,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:34,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:34,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:34,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:34,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:34,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:34,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:34,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:34,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:34,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:34,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:34,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:34,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:34,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:34,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:34,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:34,843 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:34,843 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:34,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopUnwinding-incorrect.bpl [2019-08-05 11:50:34,844 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopUnwinding-incorrect.bpl' [2019-08-05 11:50:34,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:34,868 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:34,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:34,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:34,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:34,892 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,894 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,900 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,901 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,903 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,906 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,907 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 11:50:34" (1/1) ... [2019-08-05 11:50:34,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:34,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:34,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:34,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:34,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:34" (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 11:50:34,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure incorrectEx given in one single declaration [2019-08-05 11:50:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure incorrectEx [2019-08-05 11:50:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure incorrectEx [2019-08-05 11:50:35,208 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:50:35,209 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:50:35,210 INFO L202 PluginConnector]: Adding new model LoopUnwinding-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:35 BoogieIcfgContainer [2019-08-05 11:50:35,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:35,211 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:35,211 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:35,211 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:35,217 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 11:50:35" (1/1) ... [2019-08-05 11:50:35,229 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:35,232 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:35,245 INFO L160 IcfgInterpreter]: Initial procedures are [incorrectEx] [2019-08-05 11:50:35,254 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:35,256 INFO L184 IcfgInterpreter]: Interpreting procedure incorrectEx with input of size 1 [2019-08-05 11:50:35,588 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2019-08-05 11:50:35,616 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:35,617 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:35,619 INFO L178 IcfgInterpreter]: Location incorrectExErr0ASSERT_VIOLATIONASSERT has predicate 22#(not (<= 0 incorrectEx_i)) [2019-08-05 11:50:35,627 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:35,629 INFO L168 Benchmark]: Toolchain (without parser) took 760.74 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 90.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:35,631 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:50:35,632 INFO L168 Benchmark]: Boogie Preprocessor took 39.98 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:35,633 INFO L168 Benchmark]: RCFGBuilder took 301.82 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 99.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:35,634 INFO L168 Benchmark]: Symbolic Interpretation took 416.05 ms. Allocated memory is still 133.7 MB. Free memory was 99.2 MB in the beginning and 90.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:35,638 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 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.98 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.82 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 99.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 416.05 ms. Allocated memory is still 133.7 MB. Free memory was 99.2 MB in the beginning and 90.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...