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.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:51:42,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:51:42,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:51:42,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:51:42,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:51:42,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:51:42,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:51:42,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:51:42,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:51:42,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:51:42,856 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:51:42,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:51:42,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:51:42,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:51:42,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:51:42,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:51:42,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:51:42,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:51:42,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:51:42,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:51:42,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:51:42,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:51:42,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:51:42,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:51:42,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:51:42,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:51:42,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:51:42,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:51:42,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:51:42,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:51:42,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:51:42,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:51:42,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:51:42,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:51:42,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:51:42,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:51:42,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:51:42,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:51:42,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:51:42,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:51:42,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:51:42,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:51:42,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:51:42,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:51:42,948 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:51:42,949 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:51:42,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl [2019-08-06 16:51:42,951 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl' [2019-08-06 16:51:43,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:51:43,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:51:43,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:51:43,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:51:43,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:51:43,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (1/1) ... [2019-08-06 16:51:43,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:51:43,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:51:43,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:51:43,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:51:43,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:43" (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 16:51:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:51:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:51:44,670 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:51:44,671 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:51:44,674 INFO L202 PluginConnector]: Adding new model pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:44 BoogieIcfgContainer [2019-08-06 16:51:44,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:51:44,675 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:51:44,675 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:51:44,675 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:51:44,676 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:44" (1/1) ... [2019-08-06 16:51:44,694 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:51:44,697 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:51:44,712 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:51:44,728 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:51:44,730 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:51:44,923 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:51:44,924 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:51:44,926 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 28#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:51:44,928 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:51:44,937 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:51:44,940 INFO L168 Benchmark]: Toolchain (without parser) took 1895.04 ms. Allocated memory was 139.5 MB in the beginning and 179.3 MB in the end (delta: 39.8 MB). Free memory was 105.3 MB in the beginning and 129.0 MB in the end (delta: -23.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:44,941 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:51:44,943 INFO L168 Benchmark]: Boogie Preprocessor took 85.41 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 102.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:44,945 INFO L168 Benchmark]: RCFGBuilder took 1543.27 ms. Allocated memory was 139.5 MB in the beginning and 179.3 MB in the end (delta: 39.8 MB). Free memory was 102.8 MB in the beginning and 142.3 MB in the end (delta: -39.5 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:44,947 INFO L168 Benchmark]: Symbolic Interpretation took 262.20 ms. Allocated memory is still 179.3 MB. Free memory was 142.3 MB in the beginning and 129.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:44,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 442]: 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 0.26 ms. Allocated memory is still 139.5 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.41 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 102.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1543.27 ms. Allocated memory was 139.5 MB in the beginning and 179.3 MB in the end (delta: 39.8 MB). Free memory was 102.8 MB in the beginning and 142.3 MB in the end (delta: -39.5 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 262.20 ms. Allocated memory is still 179.3 MB. Free memory was 142.3 MB in the beginning and 129.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...