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/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:04,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:04,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:04,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:04,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:04,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:04,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:04,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:04,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:04,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:04,327 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:04,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:04,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:04,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:04,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:04,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:04,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:04,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:04,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:04,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:04,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:04,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:04,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:04,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:04,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:04,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:04,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:04,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:04,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:04,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:04,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:04,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:04,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:04,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:04,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:04,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:04,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:04,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:04,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:04,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:04,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:04,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:04,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:04,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:04,430 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:04,431 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:04,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2019-08-09 14:10:04,432 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2019-08-09 14:10:04,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:04,464 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:04,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:04,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:04,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:04,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:04,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:04,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:04,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:04,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:04" (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 [2019-08-09 14:10:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:04,807 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:04,808 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:04,809 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:04 BoogieIcfgContainer [2019-08-09 14:10:04,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:04,810 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:04,810 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:04,810 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:04,811 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:04" (1/1) ... [2019-08-09 14:10:04,964 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:04,972 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:04,976 INFO L168 Benchmark]: Toolchain (without parser) took 510.89 ms. Allocated memory is still 139.5 MB. Free memory was 108.5 MB in the beginning and 89.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:04,977 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 139.5 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:04,979 INFO L168 Benchmark]: Boogie Preprocessor took 45.70 ms. Allocated memory is still 139.5 MB. Free memory was 108.5 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. [2019-08-09 14:10:04,980 INFO L168 Benchmark]: RCFGBuilder took 296.78 ms. Allocated memory is still 139.5 MB. Free memory was 106.2 MB in the beginning and 95.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:04,981 INFO L168 Benchmark]: Symbolic Interpretation took 162.87 ms. Allocated memory is still 139.5 MB. Free memory was 95.3 MB in the beginning and 89.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:04,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 54]: 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. Predicate is 27#(and (= (ite (= ULTIMATE.start_main_~x~4 100) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~y~4 0) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)). 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 139.5 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.70 ms. Allocated memory is still 139.5 MB. Free memory was 108.5 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 296.78 ms. Allocated memory is still 139.5 MB. Free memory was 106.2 MB in the beginning and 95.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 162.87 ms. Allocated memory is still 139.5 MB. Free memory was 95.3 MB in the beginning and 89.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...