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.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:31,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:31,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:31,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:31,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:31,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:31,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:31,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:31,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:31,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:31,923 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:31,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:31,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:31,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:31,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:31,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:31,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:31,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:31,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:31,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:31,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:31,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:31,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:31,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:31,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:31,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:31,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:31,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:31,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:31,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:31,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:31,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:31,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:31,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:31,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:31,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:31,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:31,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:31,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:31,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:31,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:32,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:32,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:32,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:32,020 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:32,021 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:32,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl [2019-08-09 14:10:32,022 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl' [2019-08-09 14:10:32,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:32,075 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:32,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:32,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:32,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:32,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:32,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:32,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:32,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:32,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:32,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:32" (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 14:10:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:32,875 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:32,875 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:32,877 INFO L202 PluginConnector]: Adding new model pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:32 BoogieIcfgContainer [2019-08-09 14:10:32,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:32,878 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:32,878 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:32,878 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:32,879 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:32" (1/1) ... [2019-08-09 14:10:33,064 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:10:33,509 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:33,517 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:33,520 INFO L168 Benchmark]: Toolchain (without parser) took 1443.61 ms. Allocated memory was 133.7 MB in the beginning and 169.9 MB in the end (delta: 36.2 MB). Free memory was 109.5 MB in the beginning and 84.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:33,522 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:33,523 INFO L168 Benchmark]: Boogie Preprocessor took 50.10 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:33,524 INFO L168 Benchmark]: RCFGBuilder took 751.04 ms. Allocated memory is still 133.7 MB. Free memory was 107.1 MB in the beginning and 70.2 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:33,525 INFO L168 Benchmark]: Symbolic Interpretation took 639.37 ms. Allocated memory was 133.7 MB in the beginning and 169.9 MB in the end (delta: 36.2 MB). Free memory was 70.2 MB in the beginning and 84.5 MB in the end (delta: -14.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:33,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 299]: 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 85#(= 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.10 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 751.04 ms. Allocated memory is still 133.7 MB. Free memory was 107.1 MB in the beginning and 70.2 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 639.37 ms. Allocated memory was 133.7 MB in the beginning and 169.9 MB in the end (delta: 36.2 MB). Free memory was 70.2 MB in the beginning and 84.5 MB in the end (delta: -14.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...