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/pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:51:19,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:51:19,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:51:19,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:51:19,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:51:19,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:51:19,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:51:19,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:51:19,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:51:19,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:51:19,240 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:51:19,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:51:19,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:51:19,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:51:19,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:51:19,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:51:19,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:51:19,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:51:19,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:51:19,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:51:19,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:51:19,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:51:19,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:51:19,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:51:19,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:51:19,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:51:19,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:51:19,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:51:19,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:51:19,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:51:19,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:51:19,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:51:19,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:51:19,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:51:19,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:51:19,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:51:19,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:51:19,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:51:19,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:51:19,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:51:19,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:51:19,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:51:19,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:51:19,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:51:19,314 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:51:19,314 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:51:19,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl [2019-08-06 16:51:19,315 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl' [2019-08-06 16:51:19,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:51:19,396 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:51:19,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:51:19,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:51:19,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:51:19,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (1/1) ... [2019-08-06 16:51:19,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:51:19,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:51:19,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:51:19,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:51:19,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:19" (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 16:51:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:51:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:51:20,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:51:20,608 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:51:20,610 INFO L202 PluginConnector]: Adding new model pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:20 BoogieIcfgContainer [2019-08-06 16:51:20,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:51:20,610 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:51:20,611 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:51:20,611 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:51:20,612 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:20" (1/1) ... [2019-08-06 16:51:20,623 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:51:20,625 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:51:20,632 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:51:20,640 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:51:20,641 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:51:20,751 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-06 16:51:20,765 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:51:20,766 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:51:20,768 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 93#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:51:20,769 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:51:20,777 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:51:20,781 INFO L168 Benchmark]: Toolchain (without parser) took 1383.36 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 107.5 MB in the beginning and 138.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:20,782 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:51:20,783 INFO L168 Benchmark]: Boogie Preprocessor took 67.29 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 105.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:20,785 INFO L168 Benchmark]: RCFGBuilder took 1145.60 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 105.1 MB in the beginning and 149.7 MB in the end (delta: -44.6 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:20,786 INFO L168 Benchmark]: Symbolic Interpretation took 167.20 ms. Allocated memory is still 177.7 MB. Free memory was 149.7 MB in the beginning and 138.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:20,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 375]: 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 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.29 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 105.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1145.60 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 105.1 MB in the beginning and 149.7 MB in the end (delta: -44.6 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 167.20 ms. Allocated memory is still 177.7 MB. Free memory was 149.7 MB in the beginning and 138.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...