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 0.1.24-4ddfff8 [2019-08-09 14:09:01,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:01,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:01,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:01,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:01,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:01,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:01,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:01,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:01,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:01,143 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:01,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:01,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:01,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:01,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:01,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:01,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:01,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:01,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:01,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:01,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:01,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:01,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:01,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:01,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:01,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:01,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:01,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:01,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:01,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:01,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:01,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:01,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:01,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:01,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:01,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:01,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:01,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:01,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:01,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:01,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:01,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:01,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:01,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:01,225 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:01,226 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:01,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl [2019-08-09 14:09:01,227 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.BOUNDED-8.pals.c_19.bpl' [2019-08-09 14:09:01,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:01,281 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:01,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:01,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:01,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:01,306 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,307 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,327 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,328 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,344 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,353 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,357 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 09.08 02:09:01" (1/1) ... [2019-08-09 14:09:01,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:01,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:01,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:01,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:01,370 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 09.08 02:09:01" (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 14:09:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:02,237 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:02,238 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:02,239 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 09.08 02:09:02 BoogieIcfgContainer [2019-08-09 14:09:02,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:02,240 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:02,240 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:02,240 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:02,241 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 09.08 02:09:02" (1/1) ... [2019-08-09 14:09:02,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-08-09 14:09:03,746 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:03,753 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:03,758 INFO L168 Benchmark]: Toolchain (without parser) took 2474.44 ms. Allocated memory was 140.0 MB in the beginning and 245.9 MB in the end (delta: 105.9 MB). Free memory was 107.6 MB in the beginning and 202.8 MB in the end (delta: -95.3 MB). Peak memory consumption was 148.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:03,761 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:03,762 INFO L168 Benchmark]: Boogie Preprocessor took 83.79 ms. Allocated memory is still 140.0 MB. Free memory was 107.6 MB in the beginning and 105.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:03,764 INFO L168 Benchmark]: RCFGBuilder took 873.13 ms. Allocated memory was 140.0 MB in the beginning and 178.3 MB in the end (delta: 38.3 MB). Free memory was 105.2 MB in the beginning and 150.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:03,766 INFO L168 Benchmark]: Symbolic Interpretation took 1514.17 ms. Allocated memory was 178.3 MB in the beginning and 245.9 MB in the end (delta: 67.6 MB). Free memory was 150.1 MB in the beginning and 202.8 MB in the end (delta: -52.7 MB). Peak memory consumption was 152.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:03,774 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. 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 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.79 ms. Allocated memory is still 140.0 MB. Free memory was 107.6 MB in the beginning and 105.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 873.13 ms. Allocated memory was 140.0 MB in the beginning and 178.3 MB in the end (delta: 38.3 MB). Free memory was 105.2 MB in the beginning and 150.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1514.17 ms. Allocated memory was 178.3 MB in the beginning and 245.9 MB in the end (delta: 67.6 MB). Free memory was 150.1 MB in the beginning and 202.8 MB in the end (delta: -52.7 MB). Peak memory consumption was 152.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...