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-b03553c [2019-08-05 18:16:54,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:54,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:54,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:54,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:54,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:54,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:54,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:54,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:54,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:54,288 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:54,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:54,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:54,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:54,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:54,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:54,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:54,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:54,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:54,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:54,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:54,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:54,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:54,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:54,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:54,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:54,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:54,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:54,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:54,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:54,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:54,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:54,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:54,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:54,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:54,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:54,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:54,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:54,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:54,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:54,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:54,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:54,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:54,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:54,396 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:54,396 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:54,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/bug-double-call.bpl [2019-08-05 18:16:54,397 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/bug-double-call.bpl' [2019-08-05 18:16:54,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:54,431 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:54,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:54,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:54,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:54,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:54,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:54,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:54,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:54,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bug-double-call.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:54" (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 18:16:54,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:54,552 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:54,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:54,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:54,823 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:54,823 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:16:54,825 INFO L202 PluginConnector]: Adding new model bug-double-call.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:54 BoogieIcfgContainer [2019-08-05 18:16:54,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:54,825 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:54,826 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:54,826 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:54,827 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 05.08 06:16:54" (1/1) ... [2019-08-05 18:16:54,837 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:54,840 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:54,847 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:54,855 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:54,857 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:54,945 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:54,945 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:54,947 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (exists ((v_foo_local_BEFORE_RETURN_2 Int)) (and (< v_foo_local_BEFORE_RETURN_2 6) (<= 5 v_foo_local_BEFORE_RETURN_2))) (exists ((v_foo_local_BEFORE_RETURN_1 Int)) (and (<= 5 v_foo_local_BEFORE_RETURN_1) (< v_foo_local_BEFORE_RETURN_1 6)))) [2019-08-05 18:16:54,948 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:54,956 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:54,959 INFO L168 Benchmark]: Toolchain (without parser) took 526.91 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 89.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:54,961 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:54,964 INFO L168 Benchmark]: Boogie Preprocessor took 43.49 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:54,965 INFO L168 Benchmark]: RCFGBuilder took 349.40 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 94.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:54,967 INFO L168 Benchmark]: Symbolic Interpretation took 130.90 ms. Allocated memory is still 139.5 MB. Free memory was 94.6 MB in the beginning and 89.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:54,972 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.49 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.40 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 94.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 130.90 ms. Allocated memory is still 139.5 MB. Free memory was 94.6 MB in the beginning and 89.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...