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/20170304-DifficultPathPrograms/nested9.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:57:21,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:57:21,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:57:21,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:57:21,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:57:21,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:57:21,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:57:21,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:57:21,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:57:21,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:57:21,491 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:57:21,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:57:21,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:57:21,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:57:21,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:57:21,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:57:21,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:57:21,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:57:21,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:57:21,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:57:21,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:57:21,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:57:21,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:57:21,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:57:21,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:57:21,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:57:21,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:57:21,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:57:21,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:57:21,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:57:21,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:57:21,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:57:21,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:57:21,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:57:21,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:57:21,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:57:21,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:57:21,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:57:21,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:57:21,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:57:21,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:57:21,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:57:21,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:57:21,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:57:21,592 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:57:21,593 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:57:21,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested9.i_3.bpl [2019-08-04 21:57:21,594 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested9.i_3.bpl' [2019-08-04 21:57:21,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:57:21,638 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:57:21,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:57:21,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:57:21,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:57:21,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:21,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:57:21,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:57:21,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:57:21,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:57:21,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:57:21" (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 [2019-08-04 21:57:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:57:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:57:21,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:57:21,994 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-04 21:57:21,995 INFO L202 PluginConnector]: Adding new model nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:57:21 BoogieIcfgContainer [2019-08-04 21:57:21,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:57:21,996 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:57:21,996 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:57:21,996 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:57:21,998 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:57:21" (1/1) ... [2019-08-04 21:57:22,009 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:57:22,012 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:57:22,020 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:57:22,028 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:57:22,029 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:57:22,364 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 18 [2019-08-04 21:57:22,740 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2019-08-04 21:57:22,887 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2019-08-04 21:57:23,071 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-08-04 21:57:23,463 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-08-04 21:57:23,921 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-08-04 21:57:23,940 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:57:23,940 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:57:23,944 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 30#false [2019-08-04 21:57:23,946 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:57:23,949 INFO L168 Benchmark]: Toolchain (without parser) took 2310.43 ms. Allocated memory was 133.2 MB in the beginning and 170.4 MB in the end (delta: 37.2 MB). Free memory was 110.6 MB in the beginning and 125.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:57:23,950 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 21:57:23,951 INFO L168 Benchmark]: Boogie Preprocessor took 50.39 ms. Allocated memory is still 133.2 MB. Free memory was 110.4 MB in the beginning and 108.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:57:23,953 INFO L168 Benchmark]: RCFGBuilder took 305.72 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 97.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:57:23,954 INFO L168 Benchmark]: Symbolic Interpretation took 1950.25 ms. Allocated memory was 133.2 MB in the beginning and 170.4 MB in the end (delta: 37.2 MB). Free memory was 97.7 MB in the beginning and 125.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:57:23,959 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.39 ms. Allocated memory is still 133.2 MB. Free memory was 110.4 MB in the beginning and 108.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.72 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 97.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1950.25 ms. Allocated memory was 133.2 MB in the beginning and 170.4 MB in the end (delta: 37.2 MB). Free memory was 97.7 MB in the beginning and 125.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...