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.UNBOUNDED.pals.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:42,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:42,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:42,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:42,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:42,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:42,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:42,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:42,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:42,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:42,690 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:42,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:42,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:42,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:42,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:42,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:42,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:42,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:42,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:42,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:42,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:42,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:42,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:42,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:42,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:42,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:42,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:42,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:42,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:42,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:42,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:42,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:42,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:42,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:42,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:42,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:42,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:42,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:42,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:42,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:42,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:42,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:42,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:42,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:42,762 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:42,763 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:42,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl [2019-08-06 16:52:42,764 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl' [2019-08-06 16:52:42,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:42,831 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:42,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:42,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:42,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:42,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (1/1) ... [2019-08-06 16:52:42,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:42,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:42,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:42,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:42,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:42" (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 16:52:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:44,041 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:44,042 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:44,043 INFO L202 PluginConnector]: Adding new model pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:44 BoogieIcfgContainer [2019-08-06 16:52:44,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:44,044 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:44,045 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:44,045 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:44,046 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:44" (1/1) ... [2019-08-06 16:52:44,059 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:44,062 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:44,069 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:44,078 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:44,080 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:44,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-06 16:52:44,219 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:44,219 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:44,222 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 93#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:52:44,223 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:44,230 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:44,234 INFO L168 Benchmark]: Toolchain (without parser) took 1402.13 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 109.3 MB in the beginning and 140.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:44,236 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:44,237 INFO L168 Benchmark]: Boogie Preprocessor took 56.41 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 106.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:44,238 INFO L168 Benchmark]: RCFGBuilder took 1154.73 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 106.9 MB in the beginning and 150.1 MB in the end (delta: -43.2 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:44,239 INFO L168 Benchmark]: Symbolic Interpretation took 186.41 ms. Allocated memory is still 170.9 MB. Free memory was 150.1 MB in the beginning and 140.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:44,243 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.41 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 106.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.73 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 106.9 MB in the beginning and 150.1 MB in the end (delta: -43.2 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 186.41 ms. Allocated memory is still 170.9 MB. Free memory was 150.1 MB in the beginning and 140.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...