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.5.1.ufo.BOUNDED-10.pals.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:16,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:16,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:16,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:16,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:16,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:16,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:16,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:16,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:16,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:16,907 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:16,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:16,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:16,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:16,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:16,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:16,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:16,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:16,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:16,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:16,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:16,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:16,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:16,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:16,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:16,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:16,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:16,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:16,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:16,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:16,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:16,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:16,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:16,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:16,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:16,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:16,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:16,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:16,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:16,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:16,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:16,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:16,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:16,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:16,975 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:16,976 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:16,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl [2019-08-09 14:09:16,977 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl' [2019-08-09 14:09:17,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:17,029 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:17,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:17,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:17,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:17,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (1/1) ... [2019-08-09 14:09:17,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:17,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:17,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:17,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:17,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:17" (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 14:09:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:18,050 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:18,051 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:18,052 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:18 BoogieIcfgContainer [2019-08-09 14:09:18,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:18,053 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:18,053 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:18,053 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:18,054 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:18" (1/1) ... [2019-08-09 14:09:18,185 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-09 14:09:18,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-09 14:09:20,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-09 14:09:21,757 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:21,764 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:21,769 INFO L168 Benchmark]: Toolchain (without parser) took 4737.64 ms. Allocated memory was 137.9 MB in the beginning and 336.6 MB in the end (delta: 198.7 MB). Free memory was 104.0 MB in the beginning and 139.1 MB in the end (delta: -35.1 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:21,771 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:21,773 INFO L168 Benchmark]: Boogie Preprocessor took 54.93 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 101.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:21,775 INFO L168 Benchmark]: RCFGBuilder took 967.75 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 101.4 MB in the beginning and 128.1 MB in the end (delta: -26.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:21,777 INFO L168 Benchmark]: Symbolic Interpretation took 3711.81 ms. Allocated memory was 180.4 MB in the beginning and 336.6 MB in the end (delta: 156.2 MB). Free memory was 128.1 MB in the beginning and 139.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 148.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:21,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 447]: 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 277#(= 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 137.9 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.93 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 101.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 967.75 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 101.4 MB in the beginning and 128.1 MB in the end (delta: -26.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3711.81 ms. Allocated memory was 180.4 MB in the beginning and 336.6 MB in the end (delta: 156.2 MB). Free memory was 128.1 MB in the beginning and 139.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 148.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...