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/loopAccelerationBB/loop3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:55,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:55,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:55,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:55,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:55,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:55,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:55,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:55,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:55,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:55,394 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:55,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:55,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:55,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:55,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:55,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:55,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:55,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:55,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:55,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:55,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:55,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:55,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:55,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:55,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:55,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:55,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:55,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:55,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:55,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:55,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:55,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:55,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:55,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:55,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:55,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:55,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:55,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:55,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:55,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:55,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:55,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:55,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:55,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:55,478 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:55,478 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:55,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationBB/loop3.bpl [2019-08-06 16:59:55,479 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationBB/loop3.bpl' [2019-08-06 16:59:55,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:55,509 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:55,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:55,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:55,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:55,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:55,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:55,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:55,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:55,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:55" (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 16:59:55,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:55,762 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:55,762 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:55,763 INFO L202 PluginConnector]: Adding new model loop3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:55 BoogieIcfgContainer [2019-08-06 16:59:55,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:55,764 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:55,764 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:55,765 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:55,766 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:55" (1/1) ... [2019-08-06 16:59:55,777 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:55,780 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:55,787 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:55,795 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:55,797 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:55,869 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:55,869 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:55,872 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= main_x 1001)) (< main_x 1002) (not (< main_x 1000))) [2019-08-06 16:59:55,873 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:55,883 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:55,887 INFO L168 Benchmark]: Toolchain (without parser) took 376.75 ms. Allocated memory is still 139.5 MB. Free memory was 108.0 MB in the beginning and 91.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:55,888 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:55,889 INFO L168 Benchmark]: Boogie Preprocessor took 39.50 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:55,891 INFO L168 Benchmark]: RCFGBuilder took 214.34 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:55,892 INFO L168 Benchmark]: Symbolic Interpretation took 119.53 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 91.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:55,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 0.16 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.50 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 214.34 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 119.53 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 91.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...