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_overflow.ufo.UNBOUNDED.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:25,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:25,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:25,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:25,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:25,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:25,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:25,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:25,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:25,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:25,227 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:25,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:25,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:25,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:25,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:25,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:25,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:25,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:25,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:25,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:25,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:25,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:25,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:25,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:25,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:25,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:25,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:25,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:25,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:25,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:25,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:25,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:25,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:25,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:25,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:25,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:25,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:25,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:25,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:25,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:25,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:25,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:25,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:25,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:25,296 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:25,297 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:25,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl [2019-08-09 14:10:25,298 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl' [2019-08-09 14:10:25,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:25,351 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:25,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:25,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:25,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:25,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (1/1) ... [2019-08-09 14:10:25,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:25,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:25,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:25,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:25,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:25" (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 14:10:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:26,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:26,203 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:26,204 INFO L202 PluginConnector]: Adding new model pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:26 BoogieIcfgContainer [2019-08-09 14:10:26,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:26,205 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:26,205 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:26,206 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:26,207 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:26" (1/1) ... [2019-08-09 14:10:26,416 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-08-09 14:10:27,497 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:27,505 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:27,510 INFO L168 Benchmark]: Toolchain (without parser) took 2155.19 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 106.0 MB in the beginning and 70.1 MB in the end (delta: 36.0 MB). Peak memory consumption was 99.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:27,512 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:27,514 INFO L168 Benchmark]: Boogie Preprocessor took 54.63 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 103.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:27,515 INFO L168 Benchmark]: RCFGBuilder took 797.55 ms. Allocated memory is still 138.4 MB. Free memory was 103.6 MB in the beginning and 60.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:27,518 INFO L168 Benchmark]: Symbolic Interpretation took 1299.61 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 60.7 MB in the beginning and 70.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:27,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 370]: 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 149#(= 0 (mod ULTIMATE.start_assert_~arg 256)). 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 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.63 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 103.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 797.55 ms. Allocated memory is still 138.4 MB. Free memory was 103.6 MB in the beginning and 60.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1299.61 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 60.7 MB in the beginning and 70.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...