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/toy/CountTillBound-Downwards.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:59,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:59,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:59,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:59,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:59,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:59,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:59,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:59,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:59,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:59,564 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:59,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:59,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:59,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:59,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:59,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:59,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:59,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:59,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:59,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:59,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:59,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:59,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:59,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:59,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:59,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:59,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:59,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:59,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:59,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:59,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:59,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:59,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:59,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:59,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:59,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:59,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:59,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:59,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:59,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:59,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:59,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:59,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:59,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:59,650 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:59,651 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:59,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/CountTillBound-Downwards.bpl [2019-08-06 16:54:59,652 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/CountTillBound-Downwards.bpl' [2019-08-06 16:54:59,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:59,685 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:59,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:59,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:59,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:59,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:59,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:59,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:59,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:59,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:59" (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 16:54:59,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:54:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:54:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:54:59,938 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:59,938 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:59,940 INFO L202 PluginConnector]: Adding new model CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:59 BoogieIcfgContainer [2019-08-06 16:54:59,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:59,941 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:59,941 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:59,941 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:59,942 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,953 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:59,956 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:59,963 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:54:59,971 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:59,973 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:00,079 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:00,079 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:00,082 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (< 0 x)) (< 0 (+ x 1)) (not (= x 0))) [2019-08-06 16:55:00,083 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:00,090 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:00,093 INFO L168 Benchmark]: Toolchain (without parser) took 407.75 ms. Allocated memory is still 137.4 MB. Free memory was 107.4 MB in the beginning and 91.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:00,095 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:00,096 INFO L168 Benchmark]: Boogie Preprocessor took 45.39 ms. Allocated memory is still 137.4 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:00,097 INFO L168 Benchmark]: RCFGBuilder took 209.20 ms. Allocated memory is still 137.4 MB. Free memory was 105.2 MB in the beginning and 96.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:00,098 INFO L168 Benchmark]: Symbolic Interpretation took 149.95 ms. Allocated memory is still 137.4 MB. Free memory was 96.2 MB in the beginning and 91.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:00,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: 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 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.39 ms. Allocated memory is still 137.4 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.20 ms. Allocated memory is still 137.4 MB. Free memory was 105.2 MB in the beginning and 96.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 149.95 ms. Allocated memory is still 137.4 MB. Free memory was 96.2 MB in the beginning and 91.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...