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/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:12,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:12,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:12,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:12,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:12,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:12,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:12,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:12,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:12,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:12,342 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:12,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:12,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:12,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:12,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:12,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:12,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:12,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:12,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:12,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:12,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:12,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:12,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:12,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:12,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:12,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:12,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:12,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:12,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:12,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:12,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:12,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:12,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:12,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:12,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:12,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:12,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:12,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:12,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:12,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:12,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:12,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:12,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:12,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:12,427 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:12,428 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:12,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2019-08-06 16:52:12,429 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2019-08-06 16:52:12,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:12,472 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:12,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:12,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:12,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:12,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:12,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:12,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:12,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:12,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:12" (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 16:52:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:12,848 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:12,848 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:52:12,849 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:12 BoogieIcfgContainer [2019-08-06 16:52:12,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:12,850 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:12,850 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:12,850 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:12,851 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:12" (1/1) ... [2019-08-06 16:52:12,862 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:12,865 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:12,877 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:12,889 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:12,890 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:13,052 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:13,053 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:13,056 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 44#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (< 0 ULTIMATE.start_main_~k~5) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (= (ite (< 0 (+ ULTIMATE.start_main_~k~5 1)) 1 0) 0)) (< 0 (+ ULTIMATE.start_main_~j~5 1)) (< 0 ULTIMATE.start_main_~j~5)) [2019-08-06 16:52:13,058 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:13,075 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:13,086 INFO L168 Benchmark]: Toolchain (without parser) took 605.06 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 88.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,088 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,094 INFO L168 Benchmark]: Boogie Preprocessor took 38.76 ms. Allocated memory is still 132.1 MB. Free memory was 107.0 MB in the beginning and 105.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,096 INFO L168 Benchmark]: RCFGBuilder took 337.44 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 94.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,098 INFO L168 Benchmark]: Symbolic Interpretation took 225.37 ms. Allocated memory is still 132.1 MB. Free memory was 94.7 MB in the beginning and 88.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 66]: 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 132.1 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.76 ms. Allocated memory is still 132.1 MB. Free memory was 107.0 MB in the beginning and 105.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.44 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 94.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 225.37 ms. Allocated memory is still 132.1 MB. Free memory was 94.7 MB in the beginning and 88.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...