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/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:10,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:10,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:10,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:10,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:10,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:10,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:10,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:10,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:10,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:10,462 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:10,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:10,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:10,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:10,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:10,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:10,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:10,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:10,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:10,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:10,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:10,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:10,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:10,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:10,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:10,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:10,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:10,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:10,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:10,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:10,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:10,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:10,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:10,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:10,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:10,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:10,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:10,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:10,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:10,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:10,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:10,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:10,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:10,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:10,561 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:10,562 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:10,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2019-08-06 16:52:10,563 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2019-08-06 16:52:10,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:10,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:10,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:10,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:10,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:10,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (1/1) ... [2019-08-06 16:52:10,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:10,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:10,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:10,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:10,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:10" (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 16:52:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:11,007 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:11,007 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:52:11,008 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:11 BoogieIcfgContainer [2019-08-06 16:52:11,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:11,009 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:11,009 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:11,010 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:11,011 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:11" (1/1) ... [2019-08-06 16:52:11,022 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:11,024 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:11,031 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:11,039 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:11,040 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:11,154 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:11,154 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:11,157 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 15#(and (not (< ULTIMATE.start_main_~c~5 200000)) (< ~last 200000) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (and (= ULTIMATE.start_main_~c~5 200000) (= ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~a~5)) 1 0)) (or (not (= ULTIMATE.start_main_~c~5 ~last)) (not (= ULTIMATE.start_main_~st~5 0))) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~c~5 (+ ~last 1)) (or (and (= |ULTIMATE.start_nondet_#res| ULTIMATE.start_nondet_~x~4) (= (+ ULTIMATE.start_main_~b~5 (- 3)) 0) (<= |ULTIMATE.start_nondet_#res| 2147483647) (= 0 ~last) (= 0 (+ ULTIMATE.start_main_~a~5 (- 3))) (<= 0 (+ |ULTIMATE.start_nondet_#res| 2147483648)) (= |ULTIMATE.start_nondet_#res| ~last)) (and (= |ULTIMATE.start_nondet_#res| ULTIMATE.start_nondet_~x~4) (< ~last 200000) (= (+ ULTIMATE.start_main_~b~5 (- 3)) 0) (<= |ULTIMATE.start_nondet_#res| 2147483647) (= 0 ~last) (= ~last (+ ~last 1)) (= 0 (+ ULTIMATE.start_main_~a~5 (- 3))) (<= 0 (+ |ULTIMATE.start_nondet_#res| 2147483648)) (= |ULTIMATE.start_nondet_#res| ~last))) (= ULTIMATE.start_main_~st~5 0)) [2019-08-06 16:52:11,159 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:11,166 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:11,170 INFO L168 Benchmark]: Toolchain (without parser) took 566.51 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 91.6 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:11,171 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:11,172 INFO L168 Benchmark]: Boogie Preprocessor took 45.87 ms. Allocated memory is still 132.1 MB. Free memory was 108.3 MB in the beginning and 106.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:11,173 INFO L168 Benchmark]: RCFGBuilder took 359.97 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 96.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:11,175 INFO L168 Benchmark]: Symbolic Interpretation took 157.43 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 91.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:11,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 63]: 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 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.87 ms. Allocated memory is still 132.1 MB. Free memory was 108.3 MB in the beginning and 106.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 359.97 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 96.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 157.43 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 91.6 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...