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/loopAccelerationFastUPR/twoLoops_secondPart.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:14,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:14,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:14,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:14,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:14,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:14,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:14,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:14,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:14,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:14,345 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:14,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:14,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:14,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:14,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:14,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:14,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:14,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:14,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:14,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:14,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:14,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:14,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:14,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:14,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:14,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:14,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:14,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:14,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:14,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:14,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:14,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:14,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:14,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:14,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:14,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:14,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:14,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:14,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:14,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:14,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:14,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:14,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:14,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:14,469 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:14,470 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:14,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationFastUPR/twoLoops_secondPart.bpl [2019-08-05 18:17:14,471 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationFastUPR/twoLoops_secondPart.bpl' [2019-08-05 18:17:14,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:14,500 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:14,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:14,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:14,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:14,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:14,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:14,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:14,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:14,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoops_secondPart.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 18:17:14,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:14,834 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:14,835 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:14,836 INFO L202 PluginConnector]: Adding new model twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:14 BoogieIcfgContainer [2019-08-05 18:17:14,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:14,837 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:14,837 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:14,838 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:14,839 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoops_secondPart.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:14" (1/1) ... [2019-08-05 18:17:14,850 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:17:14,853 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:14,860 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:14,868 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:14,870 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:14,971 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:14,971 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:14,975 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= main_x 1001)) (< main_x 1002) (not (< main_x 1000))) [2019-08-05 18:17:14,977 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:14,984 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:14,987 INFO L168 Benchmark]: Toolchain (without parser) took 486.09 ms. Allocated memory is still 131.6 MB. Free memory was 108.2 MB in the beginning and 92.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:14,989 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:17:14,990 INFO L168 Benchmark]: Boogie Preprocessor took 49.05 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:14,992 INFO L168 Benchmark]: RCFGBuilder took 286.53 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 96.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:14,994 INFO L168 Benchmark]: Symbolic Interpretation took 147.22 ms. Allocated memory is still 131.6 MB. Free memory was 96.9 MB in the beginning and 92.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:15,000 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 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.05 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.53 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 96.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 147.22 ms. Allocated memory is still 131.6 MB. Free memory was 96.9 MB in the beginning and 92.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...