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.6.1.ufo.UNBOUNDED.pals.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:51:58,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:51:58,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:51:58,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:51:58,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:51:58,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:51:58,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:51:58,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:51:58,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:51:58,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:51:58,624 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:51:58,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:51:58,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:51:58,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:51:58,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:51:58,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:51:58,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:51:58,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:51:58,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:51:58,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:51:58,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:51:58,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:51:58,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:51:58,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:51:58,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:51:58,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:51:58,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:51:58,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:51:58,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:51:58,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:51:58,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:51:58,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:51:58,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:51:58,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:51:58,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:51:58,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:51:58,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:51:58,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:51:58,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:51:58,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:51:58,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:51:58,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:51:58,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:51:58,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:51:58,727 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:51:58,729 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:51:58,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl [2019-08-06 16:51:58,730 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl' [2019-08-06 16:51:58,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:51:58,807 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:51:58,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:51:58,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:51:58,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:51:58,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (1/1) ... [2019-08-06 16:51:58,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:51:58,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:51:58,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:51:58,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:51:58,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:58" (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 16:51:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:51:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:00,479 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:00,480 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:00,482 INFO L202 PluginConnector]: Adding new model pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:00 BoogieIcfgContainer [2019-08-06 16:52:00,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:00,483 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:00,483 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:00,483 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:00,484 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.6.1.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:00" (1/1) ... [2019-08-06 16:52:00,496 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:00,501 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:00,511 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:00,519 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:00,521 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:00,684 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-08-06 16:52:00,754 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:00,754 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:00,761 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 285#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:52:00,763 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:00,771 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:00,775 INFO L168 Benchmark]: Toolchain (without parser) took 1965.77 ms. Allocated memory was 131.6 MB in the beginning and 173.0 MB in the end (delta: 41.4 MB). Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:00,777 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:00,779 INFO L168 Benchmark]: Boogie Preprocessor took 82.34 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 104.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:00,781 INFO L168 Benchmark]: RCFGBuilder took 1591.69 ms. Allocated memory was 131.6 MB in the beginning and 173.0 MB in the end (delta: 41.4 MB). Free memory was 104.2 MB in the beginning and 121.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:00,782 INFO L168 Benchmark]: Symbolic Interpretation took 288.37 ms. Allocated memory is still 173.0 MB. Free memory was 121.0 MB in the beginning and 104.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:00,789 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 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.34 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 104.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1591.69 ms. Allocated memory was 131.6 MB in the beginning and 173.0 MB in the end (delta: 41.4 MB). Free memory was 104.2 MB in the beginning and 121.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 288.37 ms. Allocated memory is still 173.0 MB. Free memory was 121.0 MB in the beginning and 104.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...