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.ufo.UNBOUNDED.pals.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:14,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:14,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:14,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:14,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:14,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:14,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:14,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:14,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:14,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:14,207 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:14,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:14,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:14,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:14,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:14,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:14,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:14,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:14,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:14,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:14,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:14,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:14,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:14,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:14,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:14,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:14,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:14,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:14,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:14,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:14,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:14,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:14,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:14,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:14,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:14,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:14,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:14,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:14,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:14,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:14,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:14,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:14,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:14,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:14,281 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:14,282 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:14,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl [2019-08-09 14:10:14,283 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl' [2019-08-09 14:10:14,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:14,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:14,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:14,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:14,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:14,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (1/1) ... [2019-08-09 14:10:14,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:14,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:14,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:14,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:14,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:14" (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 14:10:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:15,373 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:15,374 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:15,375 INFO L202 PluginConnector]: Adding new model pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:15 BoogieIcfgContainer [2019-08-09 14:10:15,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:15,376 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:15,376 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:15,376 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:15,377 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:15" (1/1) ... [2019-08-09 14:10:15,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-08-09 14:10:16,698 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:16,706 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:16,709 INFO L168 Benchmark]: Toolchain (without parser) took 2371.62 ms. Allocated memory was 132.1 MB in the beginning and 246.9 MB in the end (delta: 114.8 MB). Free memory was 106.5 MB in the beginning and 183.2 MB in the end (delta: -76.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:16,711 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:16,712 INFO L168 Benchmark]: Boogie Preprocessor took 88.62 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 104.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:16,713 INFO L168 Benchmark]: RCFGBuilder took 949.49 ms. Allocated memory was 132.1 MB in the beginning and 173.0 MB in the end (delta: 40.9 MB). Free memory was 104.1 MB in the beginning and 151.4 MB in the end (delta: -47.3 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:16,714 INFO L168 Benchmark]: Symbolic Interpretation took 1330.06 ms. Allocated memory was 173.0 MB in the beginning and 246.9 MB in the end (delta: 73.9 MB). Free memory was 150.6 MB in the beginning and 183.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:16,719 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 371]: 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 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.62 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 104.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 949.49 ms. Allocated memory was 132.1 MB in the beginning and 173.0 MB in the end (delta: 40.9 MB). Free memory was 104.1 MB in the beginning and 151.4 MB in the end (delta: -47.3 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1330.06 ms. Allocated memory was 173.0 MB in the beginning and 246.9 MB in the end (delta: 73.9 MB). Free memory was 150.6 MB in the beginning and 183.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...