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.4.ufo.BOUNDED-8.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:51:27,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:51:27,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:51:27,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:51:27,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:51:27,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:51:27,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:51:27,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:51:27,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:51:27,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:51:27,404 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:51:27,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:51:27,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:51:27,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:51:27,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:51:27,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:51:27,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:51:27,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:51:27,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:51:27,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:51:27,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:51:27,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:51:27,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:51:27,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:51:27,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:51:27,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:51:27,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:51:27,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:51:27,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:51:27,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:51:27,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:51:27,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:51:27,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:51:27,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:51:27,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:51:27,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:51:27,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:51:27,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:51:27,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:51:27,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:51:27,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:51:27,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:51:27,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:51:27,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:51:27,484 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:51:27,484 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:51:27,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl [2019-08-06 16:51:27,485 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl' [2019-08-06 16:51:27,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:51:27,551 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:51:27,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:51:27,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:51:27,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:51:27,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (1/1) ... [2019-08-06 16:51:27,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:51:27,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:51:27,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:51:27,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:51:27,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:27" (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 16:51:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:51:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:51:28,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:51:28,753 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:51:28,754 INFO L202 PluginConnector]: Adding new model pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:28 BoogieIcfgContainer [2019-08-06 16:51:28,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:51:28,755 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:51:28,755 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:51:28,755 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:51:28,756 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr.4.ufo.BOUNDED-8.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:28" (1/1) ... [2019-08-06 16:51:28,768 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:51:28,771 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:51:28,778 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:51:28,790 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:51:28,792 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:51:28,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-06 16:51:28,917 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:51:28,917 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:51:28,920 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 93#(= 0 (mod ULTIMATE.start_assert_~arg 256)) [2019-08-06 16:51:28,921 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:51:28,928 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:51:28,931 INFO L168 Benchmark]: Toolchain (without parser) took 1379.16 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 109.3 MB in the beginning and 139.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:28,932 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 16:51:28,934 INFO L168 Benchmark]: Boogie Preprocessor took 65.24 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 106.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:28,935 INFO L168 Benchmark]: RCFGBuilder took 1137.33 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 106.7 MB in the beginning and 150.2 MB in the end (delta: -43.5 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:28,936 INFO L168 Benchmark]: Symbolic Interpretation took 173.31 ms. Allocated memory is still 170.9 MB. Free memory was 150.2 MB in the beginning and 140.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:28,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 375]: 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 65.24 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 106.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.33 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 106.7 MB in the beginning and 150.2 MB in the end (delta: -43.5 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 173.31 ms. Allocated memory is still 170.9 MB. Free memory was 150.2 MB in the beginning and 140.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...