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-e6f8464 [2019-08-06 14:24:46,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:24:46,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:24:46,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:24:46,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:24:46,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:24:46,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:24:46,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:24:46,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:24:46,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:24:46,706 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:24:46,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:24:46,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:24:46,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:24:46,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:24:46,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:24:46,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:24:46,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:24:46,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:24:46,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:24:46,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:24:46,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:24:46,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:24:46,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:24:46,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:24:46,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:24:46,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:24:46,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:24:46,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:24:46,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:24:46,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:24:46,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:24:46,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:24:46,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:24:46,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:24:46,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:24:46,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:24:46,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:24:46,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:24:46,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:24:46,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:24:46,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:24:46,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:24:46,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:24:46,795 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:24:46,796 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:24:46,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TermWithDoubleOccurrenceOfVariable.bpl [2019-08-06 14:24:46,797 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TermWithDoubleOccurrenceOfVariable.bpl' [2019-08-06 14:24:46,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:24:46,827 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:24:46,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:24:46,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:24:46,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:24:46,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (1/1) ... [2019-08-06 14:24:46,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:24:46,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:24:46,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:24:46,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:24:46,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:24:46" (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 14:24:46,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-06 14:24:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 14:24:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 14:24:47,132 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:24:47,132 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:24:47,133 INFO L202 PluginConnector]: Adding new model TermWithDoubleOccurrenceOfVariable.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:24:47 BoogieIcfgContainer [2019-08-06 14:24:47,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:24:47,134 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:24:47,134 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:24:47,134 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:24:47,135 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 02:24:47" (1/1) ... [2019-08-06 14:24:47,145 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:24:47,148 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:24:47,155 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 14:24:47,162 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:24:47,164 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 14:24:47,196 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:24:47,196 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:24:47,200 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 14:24:47,201 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:24:47,208 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:24:47,213 INFO L168 Benchmark]: Toolchain (without parser) took 383.61 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 94.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-06 14:24:47,215 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 14:24:47,216 INFO L168 Benchmark]: Boogie Preprocessor took 43.83 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:24:47,218 INFO L168 Benchmark]: RCFGBuilder took 261.86 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 98.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-06 14:24:47,220 INFO L168 Benchmark]: Symbolic Interpretation took 74.50 ms. Allocated memory is still 133.7 MB. Free memory was 98.3 MB in the beginning and 94.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 14:24:47,224 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 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.83 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 261.86 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 98.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 74.50 ms. Allocated memory is still 133.7 MB. Free memory was 98.3 MB in the beginning and 94.5 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...