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.6.ufo.UNBOUNDED.pals.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:47,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:47,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:47,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:47,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:47,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:47,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:47,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:47,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:47,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:47,996 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:47,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:47,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:47,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:48,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:48,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:48,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:48,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:48,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:48,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:48,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:48,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:48,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:48,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:48,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:48,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:48,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:48,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:48,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:48,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:48,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:48,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:48,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:48,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:48,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:48,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:48,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:48,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:48,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:48,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:48,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:48,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:48,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:48,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:48,075 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:48,076 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:48,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2019-08-06 16:52:48,077 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl' [2019-08-06 16:52:48,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:48,141 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:48,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:48,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:48,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:48,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:48,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:48,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:48,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:48,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (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 16:52:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:49,922 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:49,923 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:49,924 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:49 BoogieIcfgContainer [2019-08-06 16:52:49,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:49,926 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:49,926 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:49,927 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:49,928 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:49" (1/1) ... [2019-08-06 16:52:49,942 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:49,946 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:49,958 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:49,968 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:49,970 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:50,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-06 16:52:50,179 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:50,179 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:50,182 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 285#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:52:50,183 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:50,191 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:50,194 INFO L168 Benchmark]: Toolchain (without parser) took 2052.61 ms. Allocated memory was 136.3 MB in the beginning and 178.8 MB in the end (delta: 42.5 MB). Free memory was 103.8 MB in the beginning and 104.3 MB in the end (delta: -459.4 kB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:50,195 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:52:50,197 INFO L168 Benchmark]: Boogie Preprocessor took 94.17 ms. Allocated memory is still 136.3 MB. Free memory was 103.8 MB in the beginning and 101.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:50,198 INFO L168 Benchmark]: RCFGBuilder took 1689.54 ms. Allocated memory was 136.3 MB in the beginning and 178.8 MB in the end (delta: 42.5 MB). Free memory was 101.2 MB in the beginning and 121.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:50,199 INFO L168 Benchmark]: Symbolic Interpretation took 265.25 ms. Allocated memory is still 178.8 MB. Free memory was 121.2 MB in the beginning and 104.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:50,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 516]: 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 0.25 ms. Allocated memory is still 136.3 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.17 ms. Allocated memory is still 136.3 MB. Free memory was 103.8 MB in the beginning and 101.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1689.54 ms. Allocated memory was 136.3 MB in the beginning and 178.8 MB in the end (delta: 42.5 MB). Free memory was 101.2 MB in the beginning and 121.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 265.25 ms. Allocated memory is still 178.8 MB. Free memory was 121.2 MB in the beginning and 104.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...