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/loopAcceleration/loopWithUnreachableBranch.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:14,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:14,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:14,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:14,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:14,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:14,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:14,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:14,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:14,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:14,536 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:14,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:14,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:14,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:14,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:14,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:14,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:14,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:14,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:14,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:14,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:14,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:14,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:14,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:14,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:14,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:14,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:14,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:14,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:14,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:14,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:14,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:14,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:14,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:14,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:14,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:14,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:14,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:14,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:14,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:14,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:14,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:14,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:14,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:14,632 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:14,633 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:14,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithUnreachableBranch.bpl [2019-08-05 18:17:14,634 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithUnreachableBranch.bpl' [2019-08-05 18:17:14,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:14,671 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:14,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:14,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:14,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:14,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:14,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:14,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:14,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:14,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (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 18:17:14,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:15,166 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:15,166 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:15,168 INFO L202 PluginConnector]: Adding new model loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:15 BoogieIcfgContainer [2019-08-05 18:17:15,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:15,168 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:15,168 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:15,169 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:15,170 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:15" (1/1) ... [2019-08-05 18:17:15,198 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:17:15,204 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:15,218 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:15,236 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:15,238 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:15,384 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:15,384 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:15,387 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 24#(and (< main_x 1000001) (not (= main_y 0)) (not (< main_x 1000000)) (= main_x 1000000)) [2019-08-05 18:17:15,387 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (< main_x 1000001) (not (= main_x 1000000)) (not (< main_x 1000000))) [2019-08-05 18:17:15,388 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:15,395 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:15,398 INFO L168 Benchmark]: Toolchain (without parser) took 727.32 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 90.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:15,399 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:17:15,400 INFO L168 Benchmark]: Boogie Preprocessor took 38.30 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:15,402 INFO L168 Benchmark]: RCFGBuilder took 457.39 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 95.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:15,403 INFO L168 Benchmark]: Symbolic Interpretation took 227.11 ms. Allocated memory is still 140.0 MB. Free memory was 95.3 MB in the beginning and 90.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:15,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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: 16]: 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 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.30 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 457.39 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 95.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 227.11 ms. Allocated memory is still 140.0 MB. Free memory was 95.3 MB in the beginning and 90.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...