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/TermWithDoubleOccurrenceOfVariable.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:02,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:02,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:02,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:02,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:02,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:02,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:02,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:02,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:02,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:02,713 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:02,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:02,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:02,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:02,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:02,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:02,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:02,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:02,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:02,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:02,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:02,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:02,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:02,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:02,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:02,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:02,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:02,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:02,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:02,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:02,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:02,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:02,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:02,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:02,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:02,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:02,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:02,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:02,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:02,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:02,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:02,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:02,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:02,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:02,795 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:02,795 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:02,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TermWithDoubleOccurrenceOfVariable.bpl [2019-08-06 16:58:02,796 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TermWithDoubleOccurrenceOfVariable.bpl' [2019-08-06 16:58:02,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:02,827 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:02,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:02,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:02,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:02,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:02,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:02,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:02,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:02,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:02" (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 [2019-08-06 16:58:02,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-06 16:58:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:03,159 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:03,160 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:03,161 INFO L202 PluginConnector]: Adding new model TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:03 BoogieIcfgContainer [2019-08-06 16:58:03,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:03,162 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:03,162 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:03,163 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:03,167 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:03" (1/1) ... [2019-08-06 16:58:03,178 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:03,182 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:03,189 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:58:03,198 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:03,199 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:58:03,246 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:03,246 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:03,249 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= proc_y 2)) (= (* 2 proc_x) proc_y) (= proc_x 1)) [2019-08-06 16:58:03,251 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:03,258 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:03,260 INFO L168 Benchmark]: Toolchain (without parser) took 431.92 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 93.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:03,261 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:03,262 INFO L168 Benchmark]: Boogie Preprocessor took 40.16 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:03,264 INFO L168 Benchmark]: RCFGBuilder took 293.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 98.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:03,265 INFO L168 Benchmark]: Symbolic Interpretation took 95.51 ms. Allocated memory is still 132.1 MB. Free memory was 97.6 MB in the beginning and 93.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:03,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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 132.1 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.16 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 98.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 95.51 ms. Allocated memory is still 132.1 MB. Free memory was 97.6 MB in the beginning and 93.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...