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/real-life/MarkovChains/FourStateCircle.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:48:17,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:48:17,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:48:17,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:48:17,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:48:17,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:48:17,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:48:17,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:48:17,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:48:17,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:48:17,501 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:48:17,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:48:17,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:48:17,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:48:17,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:48:17,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:48:17,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:48:17,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:48:17,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:48:17,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:48:17,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:48:17,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:48:17,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:48:17,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:48:17,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:48:17,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:48:17,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:48:17,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:48:17,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:48:17,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:48:17,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:48:17,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:48:17,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:48:17,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:48:17,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:48:17,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:48:17,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:48:17,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:48:17,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:48:17,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:48:17,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:48:17,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:48:17,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:48:17,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:48:17,578 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:48:17,578 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:48:17,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/MarkovChains/FourStateCircle.bpl [2019-08-06 16:48:17,579 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/MarkovChains/FourStateCircle.bpl' [2019-08-06 16:48:17,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:48:17,618 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:48:17,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:48:17,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:48:17,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:48:17,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (1/1) ... [2019-08-06 16:48:17,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:48:17,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:48:17,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:48:17,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:48:17,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:17" (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 [2019-08-06 16:48:17,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:48:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:48:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:48:18,001 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:48:18,001 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:48:18,002 INFO L202 PluginConnector]: Adding new model FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:48:18 BoogieIcfgContainer [2019-08-06 16:48:18,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:48:18,003 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:48:18,003 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:48:18,003 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:48:18,004 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "FourStateCircle.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:48:18" (1/1) ... [2019-08-06 16:48:18,017 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:48:18,020 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:48:18,028 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:48:18,036 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:48:18,038 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:48:18,197 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:48:18,197 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:48:18,200 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 32#(and (not (= (+ main_p0 main_p2) main_q0)) (or (and (= 0.0 main_p1) (= 0.0 main_q1) (= 0.0 main_p3) (= (+ main_p0 main_p2) main_q0)) (and (= 0.0 main_p0) (= 0.0 main_q0) (= main_q1 (+ main_p1 main_p3)) (= 0.0 main_p2)))) [2019-08-06 16:48:18,201 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 29#(and (not (= (+ main_p1 main_p3) main_q1)) (or (and (= 0.0 main_p1) (= 0.0 main_q1) (= 0.0 main_p3) (= (+ main_p0 main_p2) main_q0)) (and (= 0.0 main_p0) (= 0.0 main_q0) (= main_q1 (+ main_p1 main_p3)) (= 0.0 main_p2))) (= (+ main_p0 main_p2) main_q0)) [2019-08-06 16:48:18,205 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:48:18,223 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:48:18,226 INFO L168 Benchmark]: Toolchain (without parser) took 606.47 ms. Allocated memory is still 135.8 MB. Free memory was 107.4 MB in the beginning and 87.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:18,227 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:48:18,231 INFO L168 Benchmark]: Boogie Preprocessor took 42.51 ms. Allocated memory is still 135.8 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:18,233 INFO L168 Benchmark]: RCFGBuilder took 340.42 ms. Allocated memory is still 135.8 MB. Free memory was 105.2 MB in the beginning and 93.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:18,235 INFO L168 Benchmark]: Symbolic Interpretation took 219.99 ms. Allocated memory is still 135.8 MB. Free memory was 93.6 MB in the beginning and 87.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:18,241 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: - UnprovableResult [Line: 30]: 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 135.8 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.51 ms. Allocated memory is still 135.8 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.42 ms. Allocated memory is still 135.8 MB. Free memory was 105.2 MB in the beginning and 93.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 219.99 ms. Allocated memory is still 135.8 MB. Free memory was 93.6 MB in the beginning and 87.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...