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-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:18,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:18,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:18,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:18,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:18,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:18,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:18,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:18,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:18,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:18,406 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:18,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:18,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:18,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:18,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:18,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:18,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:18,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:18,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:18,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:18,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:18,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:18,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:18,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:18,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:18,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:18,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:18,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:18,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:18,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:18,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:18,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:18,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:18,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:18,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:18,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:18,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:18,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:18,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:18,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:18,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:18,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:18,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:18,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:18,473 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:18,474 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:18,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2019-08-09 14:10:18,475 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl' [2019-08-09 14:10:18,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:18,537 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:18,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:18,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:18,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:18,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:18,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:18,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:18,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:18,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:18" (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 14:10:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:19,299 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:19,300 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:19,301 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:19 BoogieIcfgContainer [2019-08-09 14:10:19,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:19,303 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:19,303 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:19,303 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:19,304 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:19" (1/1) ... [2019-08-09 14:10:19,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:10:19,754 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-09 14:10:19,809 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:19,816 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:19,821 INFO L168 Benchmark]: Toolchain (without parser) took 1280.43 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 105.9 MB in the beginning and 112.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:19,823 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.4 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 14:10:19,824 INFO L168 Benchmark]: Boogie Preprocessor took 65.41 ms. Allocated memory is still 138.4 MB. Free memory was 105.9 MB in the beginning and 103.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:19,828 INFO L168 Benchmark]: RCFGBuilder took 698.56 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 60.4 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:19,831 INFO L168 Benchmark]: Symbolic Interpretation took 513.34 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 60.4 MB in the beginning and 112.7 MB in the end (delta: -52.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:19,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 386]: 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 30#(= 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 0.20 ms. Allocated memory is still 138.4 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 65.41 ms. Allocated memory is still 138.4 MB. Free memory was 105.9 MB in the beginning and 103.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.56 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 60.4 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 513.34 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 60.4 MB in the beginning and 112.7 MB in the end (delta: -52.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...