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-call-nested-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:34,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:34,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:34,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:34,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:34,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:34,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:34,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:34,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:34,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:34,285 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:34,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:34,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:34,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:34,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:34,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:34,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:34,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:34,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:34,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:34,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:34,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:34,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:34,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:34,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:34,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:34,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:34,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:34,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:34,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:34,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:34,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:34,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:34,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:34,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:34,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:34,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:34,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:34,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:34,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:34,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:34,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:34,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:34,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:34,375 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:34,376 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:34,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/proc-call-nested-safe.bpl [2019-08-05 18:16:34,377 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/proc-call-nested-safe.bpl' [2019-08-05 18:16:34,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:34,409 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:34,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:34,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:34,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:34,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:34,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:34,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:34,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:34,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:34" (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 18:16:34,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:34,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:34,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funA given in one single declaration [2019-08-05 18:16:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure funA [2019-08-05 18:16:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure funA [2019-08-05 18:16:34,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funB given in one single declaration [2019-08-05 18:16:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure funB [2019-08-05 18:16:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure funB [2019-08-05 18:16:34,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:34,788 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:34,790 INFO L202 PluginConnector]: Adding new model proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:34 BoogieIcfgContainer [2019-08-05 18:16:34,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:34,790 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:34,790 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:34,791 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:34,791 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "proc-call-nested-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:34" (1/1) ... [2019-08-05 18:16:34,801 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:34,803 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:34,810 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:34,818 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:34,820 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:34,878 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:34,878 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:34,881 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 19#(and (not (<= ULTIMATE.start_x 1)) (or (= 1 ULTIMATE.start_x) (= 0 ULTIMATE.start_x))) [2019-08-05 18:16:34,882 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:34,888 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:34,890 INFO L168 Benchmark]: Toolchain (without parser) took 480.50 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 91.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:34,892 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:34,893 INFO L168 Benchmark]: Boogie Preprocessor took 41.49 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 106.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:34,894 INFO L168 Benchmark]: RCFGBuilder took 338.11 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 96.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:34,895 INFO L168 Benchmark]: Symbolic Interpretation took 97.56 ms. Allocated memory is still 134.2 MB. Free memory was 96.0 MB in the beginning and 91.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:34,899 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 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.49 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 106.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.11 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 96.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.56 ms. Allocated memory is still 134.2 MB. Free memory was 96.0 MB in the beginning and 91.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...