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/recursive/Goa2Threads2Ressources.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:14:57,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:14:57,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:14:57,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:14:57,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:14:57,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:14:57,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:14:57,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:14:57,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:14:57,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:14:57,276 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:14:57,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:14:57,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:14:57,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:14:57,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:14:57,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:14:57,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:14:57,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:14:57,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:14:57,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:14:57,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:14:57,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:14:57,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:14:57,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:14:57,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:14:57,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:14:57,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:14:57,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:14:57,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:14:57,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:14:57,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:14:57,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:14:57,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:14:57,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:14:57,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:14:57,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:14:57,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:14:57,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:14:57,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:14:57,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:14:57,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:14:57,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:14:57,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:14:57,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:14:57,349 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:14:57,350 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:14:57,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/Goa2Threads2Ressources.bpl [2019-08-05 18:14:57,351 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/Goa2Threads2Ressources.bpl' [2019-08-05 18:14:57,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:14:57,407 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:14:57,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:14:57,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:14:57,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:14:57,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (1/1) ... [2019-08-05 18:14:57,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:14:57,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:14:57,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:14:57,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:14:57,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:57" (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 18:14:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure Thread1 [2019-08-05 18:14:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread1 [2019-08-05 18:14:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure Thread2 [2019-08-05 18:14:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread2 [2019-08-05 18:14:58,009 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint Thread1FINAL: assume true; [2019-08-05 18:14:58,039 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:14:58,039 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 18:14:58,040 INFO L202 PluginConnector]: Adding new model Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:58 BoogieIcfgContainer [2019-08-05 18:14:58,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:14:58,041 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:14:58,041 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:14:58,042 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:14:58,043 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Goa2Threads2Ressources.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:58" (1/1) ... [2019-08-05 18:14:58,055 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:14:58,058 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:14:58,067 INFO L160 IcfgInterpreter]: Initial procedures are [Thread1] [2019-08-05 18:14:58,077 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:14:58,078 INFO L185 IcfgInterpreter]: Interpreting procedure Thread1 with input of size 1 [2019-08-05 18:14:58,656 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:14:58,656 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:14:58,659 INFO L179 IcfgInterpreter]: Location Thread1Err1ASSERT_VIOLATIONASSERT has predicate 793#(not (= 0 ressource2)) [2019-08-05 18:14:58,660 INFO L179 IcfgInterpreter]: Location Thread1Err0ASSERT_VIOLATIONASSERT has predicate 626#(not (= 0 ressource1)) [2019-08-05 18:14:58,661 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:14:58,669 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:14:58,672 INFO L168 Benchmark]: Toolchain (without parser) took 1264.25 ms. Allocated memory is still 132.6 MB. Free memory was 108.6 MB in the beginning and 67.8 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:58,673 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:14:58,675 INFO L168 Benchmark]: Boogie Preprocessor took 59.47 ms. Allocated memory is still 132.6 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:58,676 INFO L168 Benchmark]: RCFGBuilder took 573.11 ms. Allocated memory is still 132.6 MB. Free memory was 106.5 MB in the beginning and 92.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:58,677 INFO L168 Benchmark]: Symbolic Interpretation took 628.05 ms. Allocated memory is still 132.6 MB. Free memory was 92.3 MB in the beginning and 67.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:58,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 67]: 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: - UnprovableResult [Line: 48]: 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 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.47 ms. Allocated memory is still 132.6 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 573.11 ms. Allocated memory is still 132.6 MB. Free memory was 106.5 MB in the beginning and 92.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 628.05 ms. Allocated memory is still 132.6 MB. Free memory was 92.3 MB in the beginning and 67.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...