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/abstractInterpretation/regression/all/proc-return.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:20,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:20,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:20,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:20,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:20,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:20,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:20,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:20,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:20,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:20,715 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:20,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:20,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:20,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:20,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:20,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:20,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:20,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:20,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:20,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:20,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:20,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:20,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:20,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:20,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:20,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:20,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:20,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:20,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:20,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:20,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:20,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:20,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:20,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:20,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:20,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:20,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:20,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:20,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:20,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:20,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:20,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:20,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:20,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:20,789 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:20,790 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:20,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/proc-return.bpl [2019-08-05 18:16:20,791 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/proc-return.bpl' [2019-08-05 18:16:20,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:20,824 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:20,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:20,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:20,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:20,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:20,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:20,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:20,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:20,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "proc-return.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (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 18:16:20,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:20,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:21,210 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:21,210 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:21,212 INFO L202 PluginConnector]: Adding new model proc-return.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:21 BoogieIcfgContainer [2019-08-05 18:16:21,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:21,213 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:21,213 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:21,214 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:21,216 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "proc-return.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:21" (1/1) ... [2019-08-05 18:16:21,228 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:21,233 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:21,245 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:21,252 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:21,254 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:21,308 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:21,308 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:21,311 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= (- 1) ULTIMATE.start_a) (= 1 ULTIMATE.start_b) (not (= 0 ULTIMATE.start_c)) (= (+ ULTIMATE.start_b ULTIMATE.start_a) ULTIMATE.start_c)) [2019-08-05 18:16:21,312 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:21,320 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:21,323 INFO L168 Benchmark]: Toolchain (without parser) took 498.12 ms. Allocated memory is still 137.9 MB. Free memory was 108.6 MB in the beginning and 92.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:21,324 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:16:21,326 INFO L168 Benchmark]: Boogie Preprocessor took 43.85 ms. Allocated memory is still 137.9 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:21,327 INFO L168 Benchmark]: RCFGBuilder took 342.84 ms. Allocated memory is still 137.9 MB. Free memory was 106.4 MB in the beginning and 97.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:21,329 INFO L168 Benchmark]: Symbolic Interpretation took 107.38 ms. Allocated memory is still 137.9 MB. Free memory was 97.1 MB in the beginning and 92.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:21,333 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: 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 137.9 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.85 ms. Allocated memory is still 137.9 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.84 ms. Allocated memory is still 137.9 MB. Free memory was 106.4 MB in the beginning and 97.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 107.38 ms. Allocated memory is still 137.9 MB. Free memory was 97.1 MB in the beginning and 92.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...