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/abstractInterpretation/unclassified/EasyNestedLoop_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:18,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:18,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:18,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:18,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:18,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:18,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:18,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:18,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:18,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:18,526 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:18,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:18,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:18,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:18,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:18,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:18,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:18,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:18,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:18,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:18,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:18,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:18,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:18,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:18,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:18,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:18,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:18,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:18,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:18,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:18,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:18,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:18,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:18,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:18,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:18,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:18,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:18,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:18,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:18,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:18,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:18,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:18,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:18,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:18,613 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:18,614 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:18,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyNestedLoop_incorrect.bpl [2019-08-05 12:07:18,615 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyNestedLoop_incorrect.bpl' [2019-08-05 12:07:18,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:18,648 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:18,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:18,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:18,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:18,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (1/1) ... [2019-08-05 12:07:18,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:18,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:18,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:18,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:18,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:18" (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 12:07:18,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-05 12:07:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-05 12:07:18,763 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-05 12:07:19,074 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:19,074 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:19,076 INFO L202 PluginConnector]: Adding new model EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:19 BoogieIcfgContainer [2019-08-05 12:07:19,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:19,077 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:19,077 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:19,077 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:19,079 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:19" (1/1) ... [2019-08-05 12:07:19,091 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:19,098 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:19,108 INFO L160 IcfgInterpreter]: Initial procedures are [EasyLoop] [2019-08-05 12:07:19,118 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:19,120 INFO L184 IcfgInterpreter]: Interpreting procedure EasyLoop with input of size 1 [2019-08-05 12:07:19,342 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2019-08-05 12:07:19,994 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 15 [2019-08-05 12:07:20,202 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-08-05 12:07:20,309 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:20,309 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:20,313 INFO L178 IcfgInterpreter]: Location EasyLoopErr0ASSERT_VIOLATIONASSERT has predicate 46#(and (not (< EasyLoop_x 35)) (not (< EasyLoop_x EasyLoop_y)) (or (< EasyLoop_x 36) (< EasyLoop_x (+ EasyLoop_y 1)))) [2019-08-05 12:07:20,322 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:20,324 INFO L168 Benchmark]: Toolchain (without parser) took 1675.94 ms. Allocated memory is still 142.1 MB. Free memory was 111.8 MB in the beginning and 63.9 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:20,325 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 112.9 MB in the beginning and 112.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:20,326 INFO L168 Benchmark]: Boogie Preprocessor took 39.28 ms. Allocated memory is still 142.1 MB. Free memory was 111.6 MB in the beginning and 109.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:20,327 INFO L168 Benchmark]: RCFGBuilder took 388.29 ms. Allocated memory is still 142.1 MB. Free memory was 109.4 MB in the beginning and 100.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:20,328 INFO L168 Benchmark]: Symbolic Interpretation took 1245.34 ms. Allocated memory is still 142.1 MB. Free memory was 100.1 MB in the beginning and 64.1 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:20,332 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 142.1 MB. Free memory was 112.9 MB in the beginning and 112.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.28 ms. Allocated memory is still 142.1 MB. Free memory was 111.6 MB in the beginning and 109.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.29 ms. Allocated memory is still 142.1 MB. Free memory was 109.4 MB in the beginning and 100.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1245.34 ms. Allocated memory is still 142.1 MB. Free memory was 100.1 MB in the beginning and 64.1 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...