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/unclassified/bug-double-call.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:40,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:40,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:40,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:40,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:40,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:40,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:40,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:40,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:40,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:40,695 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:40,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:40,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:40,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:40,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:40,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:40,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:40,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:40,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:40,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:40,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:40,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:40,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:40,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:40,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:40,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:40,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:40,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:40,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:40,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:40,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:40,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:40,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:40,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:40,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:40,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:40,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:40,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:40,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:40,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:40,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:40,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:40,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:40,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:40,773 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:40,774 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:40,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/bug-double-call.bpl [2019-08-09 14:20:40,775 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/bug-double-call.bpl' [2019-08-09 14:20:40,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:40,810 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:40,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:40,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:40,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:40,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (1/1) ... [2019-08-09 14:20:40,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:40,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:40,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:40,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:40,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:40" (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 [2019-08-09 14:20:40,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-09 14:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-09 14:20:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-09 14:20:40,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:20:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:20:41,148 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:20:41,149 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:20:41,152 INFO L202 PluginConnector]: Adding new model bug-double-call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:41 BoogieIcfgContainer [2019-08-09 14:20:41,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:41,154 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:41,154 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:41,154 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:41,156 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:41" (1/1) ... [2019-08-09 14:20:41,338 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:41,345 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:41,349 INFO L168 Benchmark]: Toolchain (without parser) took 536.96 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 91.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:41,350 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:41,352 INFO L168 Benchmark]: Boogie Preprocessor took 40.23 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:41,353 INFO L168 Benchmark]: RCFGBuilder took 300.61 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 96.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:41,354 INFO L168 Benchmark]: Symbolic Interpretation took 192.10 ms. Allocated memory is still 133.2 MB. Free memory was 96.2 MB in the beginning and 91.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:41,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: 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. Predicate is 27#true. 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 133.2 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.23 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.61 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 96.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 192.10 ms. Allocated memory is still 133.2 MB. Free memory was 96.2 MB in the beginning and 91.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...