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/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:48:37,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:48:37,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:48:37,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:48:37,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:48:37,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:48:37,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:48:37,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:48:37,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:48:37,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:48:37,531 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:48:37,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:48:37,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:48:37,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:48:37,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:48:37,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:48:37,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:48:37,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:48:37,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:48:37,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:48:37,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:48:37,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:48:37,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:48:37,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:48:37,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:48:37,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:48:37,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:48:37,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:48:37,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:48:37,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:48:37,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:48:37,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:48:37,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:48:37,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:48:37,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:48:37,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:48:37,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:48:37,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:48:37,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:48:37,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:48:37,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:48:37,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:48:37,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:48:37,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:48:37,625 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:48:37,625 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:48:37,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2019-08-05 11:48:37,626 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2019-08-05 11:48:37,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:48:37,661 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:48:37,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:48:37,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:48:37,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:48:37,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (1/1) ... [2019-08-05 11:48:37,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:48:37,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:48:37,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:48:37,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:48:37,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:37" (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 [2019-08-05 11:48:37,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:48:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:48:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:48:38,078 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:48:38,079 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:48:38,080 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:38 BoogieIcfgContainer [2019-08-05 11:48:38,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:48:38,081 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:48:38,081 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:48:38,081 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:48:38,083 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:38" (1/1) ... [2019-08-05 11:48:38,094 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:48:38,097 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:48:38,103 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:48:38,114 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:48:38,115 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:48:38,645 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-08-05 11:48:43,955 WARN L188 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 77 [2019-08-05 11:48:44,066 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:48:44,067 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:48:44,069 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 34#(and (not (< x 100)) (not (<= y 100)) (exists ((v_x_16 Int) (v_y_18 Int)) (and (or (and (< v_x_16 50) (= v_y_18 y) (= x (+ v_x_16 1))) (and (not (< v_x_16 50)) (= y (+ v_y_18 1)) (= x (+ v_x_16 1)))) (< v_x_16 100)))) [2019-08-05 11:48:44,069 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 37#(and (not (< x 100)) (not (<= 100 y)) (exists ((v_x_16 Int) (v_y_18 Int)) (and (or (and (< v_x_16 50) (= v_y_18 y) (= x (+ v_x_16 1))) (and (not (< v_x_16 50)) (= y (+ v_y_18 1)) (= x (+ v_x_16 1)))) (< v_x_16 100)))) [2019-08-05 11:48:44,079 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:48:44,082 INFO L168 Benchmark]: Toolchain (without parser) took 6420.02 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 76.5 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:44,084 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:48:44,086 INFO L168 Benchmark]: Boogie Preprocessor took 45.52 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 107.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:44,087 INFO L168 Benchmark]: RCFGBuilder took 373.00 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 96.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:44,089 INFO L168 Benchmark]: Symbolic Interpretation took 5998.57 ms. Allocated memory is still 141.0 MB. Free memory was 96.6 MB in the beginning and 76.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:44,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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: - UnprovableResult [Line: 24]: 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 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.52 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 107.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 373.00 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 96.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5998.57 ms. Allocated memory is still 141.0 MB. Free memory was 96.6 MB in the beginning and 76.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...