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.3.1.ufo.UNBOUNDED.pals.c_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:39,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:39,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:39,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:39,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:39,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:39,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:39,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:39,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:39,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:39,650 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:39,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:39,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:39,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:39,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:39,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:39,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:39,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:39,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:39,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:39,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:39,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:39,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:39,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:39,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:39,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:39,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:39,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:39,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:39,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:39,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:39,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:39,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:39,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:39,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:39,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:39,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:39,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:39,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:39,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:39,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:39,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:39,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:39,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:39,744 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:39,745 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:39,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl [2019-08-09 14:09:39,746 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl' [2019-08-09 14:09:39,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:39,817 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:39,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:39,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:39,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:39,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (1/1) ... [2019-08-09 14:09:39,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:39,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:39,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:39,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:39,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:39" (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 14:09:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:40,620 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:40,620 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:40,622 INFO L202 PluginConnector]: Adding new model pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:40 BoogieIcfgContainer [2019-08-09 14:09:40,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:40,624 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:40,624 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:40,625 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:40,626 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.3.1.ufo.UNBOUNDED.pals.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:40" (1/1) ... [2019-08-09 14:09:40,765 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:09:40,853 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:09:41,002 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:09:41,136 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:41,146 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:41,151 INFO L168 Benchmark]: Toolchain (without parser) took 1331.43 ms. Allocated memory was 131.6 MB in the beginning and 173.5 MB in the end (delta: 41.9 MB). Free memory was 106.2 MB in the beginning and 108.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:41,154 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:41,155 INFO L168 Benchmark]: Boogie Preprocessor took 78.91 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:41,156 INFO L168 Benchmark]: RCFGBuilder took 725.34 ms. Allocated memory is still 131.6 MB. Free memory was 103.7 MB in the beginning and 67.3 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:41,159 INFO L168 Benchmark]: Symbolic Interpretation took 521.72 ms. Allocated memory was 131.6 MB in the beginning and 173.5 MB in the end (delta: 41.9 MB). Free memory was 67.1 MB in the beginning and 108.9 MB in the end (delta: -41.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:41,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 300]: 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 131.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.91 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 725.34 ms. Allocated memory is still 131.6 MB. Free memory was 103.7 MB in the beginning and 67.3 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 521.72 ms. Allocated memory was 131.6 MB in the beginning and 173.5 MB in the end (delta: 41.9 MB). Free memory was 67.1 MB in the beginning and 108.9 MB in the end (delta: -41.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...