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.UNBOUNDED.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:46,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:46,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:46,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:46,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:46,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:46,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:46,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:46,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:46,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:46,736 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:46,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:46,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:46,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:46,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:46,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:46,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:46,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:46,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:46,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:46,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:46,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:46,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:46,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:46,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:46,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:46,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:46,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:46,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:46,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:46,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:46,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:46,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:46,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:46,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:46,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:46,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:46,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:46,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:46,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:46,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:46,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:46,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:46,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:46,846 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:46,846 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:46,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2019-08-06 16:52:46,848 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl' [2019-08-06 16:52:46,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:46,910 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:46,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:46,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:46,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:46,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (1/1) ... [2019-08-06 16:52:46,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:46,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:46,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:46,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:46,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:46" (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 16:52:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:48,410 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:48,411 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:48,412 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:48 BoogieIcfgContainer [2019-08-06 16:52:48,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:48,413 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:48,415 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:48,416 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:48,417 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,432 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:48,435 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:48,453 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:48,467 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:48,469 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:48,682 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:48,682 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:48,685 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 28#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:52:48,686 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:48,693 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:48,696 INFO L168 Benchmark]: Toolchain (without parser) took 1785.30 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 108.8 MB in the beginning and 124.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,697 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:52:48,698 INFO L168 Benchmark]: Boogie Preprocessor took 55.88 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,700 INFO L168 Benchmark]: RCFGBuilder took 1445.95 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 106.3 MB in the beginning and 139.1 MB in the end (delta: -32.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,701 INFO L168 Benchmark]: Symbolic Interpretation took 280.27 ms. Allocated memory is still 170.4 MB. Free memory was 139.1 MB in the beginning and 124.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 443]: 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.88 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1445.95 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 106.3 MB in the beginning and 139.1 MB in the end (delta: -32.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 280.27 ms. Allocated memory is still 170.4 MB. Free memory was 139.1 MB in the beginning and 124.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...