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/TerminatorSmall.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:13:03,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:13:03,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:13:03,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:13:03,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:13:03,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:13:03,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:13:03,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:13:03,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:13:03,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:13:03,553 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:13:03,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:13:03,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:13:03,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:13:03,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:13:03,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:13:03,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:13:03,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:13:03,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:13:03,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:13:03,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:13:03,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:13:03,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:13:03,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:13:03,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:13:03,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:13:03,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:13:03,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:13:03,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:13:03,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:13:03,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:13:03,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:13:03,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:13:03,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:13:03,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:13:03,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:13:03,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:13:03,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:13:03,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:13:03,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:13:03,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:13:03,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:13:03,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:13:03,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:13:03,626 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:13:03,626 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:13:03,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorSmall.bpl [2019-08-05 18:13:03,630 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorSmall.bpl' [2019-08-05 18:13:03,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:13:03,663 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:13:03,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:13:03,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:13:03,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:13:03,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (1/1) ... [2019-08-05 18:13:03,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:13:03,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:13:03,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:13:03,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:13:03,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:03" (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 18:13:03,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure TerminatorSmall given in one single declaration [2019-08-05 18:13:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure TerminatorSmall [2019-08-05 18:13:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminatorSmall [2019-08-05 18:13:04,150 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:13:04,150 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:13:04,152 INFO L202 PluginConnector]: Adding new model TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:04 BoogieIcfgContainer [2019-08-05 18:13:04,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:13:04,153 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:13:04,153 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:13:04,153 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:13:04,154 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TerminatorSmall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:04" (1/1) ... [2019-08-05 18:13:04,165 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:13:04,168 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:13:04,174 INFO L160 IcfgInterpreter]: Initial procedures are [TerminatorSmall] [2019-08-05 18:13:04,182 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:13:04,184 INFO L185 IcfgInterpreter]: Interpreting procedure TerminatorSmall with input of size 1 [2019-08-05 18:13:04,267 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:13:04,267 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:13:04,270 INFO L179 IcfgInterpreter]: Location TerminatorSmallErr0ASSERT_VIOLATIONASSERT has predicate 22#(and (not (< TerminatorSmall_y TerminatorSmall_yAlt)) (= 1 TerminatorSmall_pcAlt) (not (< TerminatorSmall_x TerminatorSmall_xAlt)) (exists ((v_TerminatorSmall_xAlt_14 Int) (v_TerminatorSmall_x_14 Int) (v_TerminatorSmall_y_15 Int) (v_TerminatorSmall_pcAlt_17 Int) (v_TerminatorSmall_yAlt_14 Int)) (and (or (< v_TerminatorSmall_y_15 v_TerminatorSmall_yAlt_14) (< v_TerminatorSmall_x_14 v_TerminatorSmall_xAlt_14) (not (= 1 v_TerminatorSmall_pcAlt_17))) (or (and (= v_TerminatorSmall_xAlt_14 TerminatorSmall_xAlt) (= v_TerminatorSmall_yAlt_14 TerminatorSmall_yAlt) (= TerminatorSmall_pcAlt v_TerminatorSmall_pcAlt_17)) (and (not (= 0 v_TerminatorSmall_pcAlt_17)) (= v_TerminatorSmall_xAlt_14 TerminatorSmall_xAlt) (= v_TerminatorSmall_yAlt_14 TerminatorSmall_yAlt) (= TerminatorSmall_pcAlt v_TerminatorSmall_pcAlt_17)) (and (= 1 TerminatorSmall_pcAlt) (= v_TerminatorSmall_x_14 TerminatorSmall_xAlt) (= v_TerminatorSmall_y_15 TerminatorSmall_yAlt) (= 0 v_TerminatorSmall_pcAlt_17))) (or (and (= (+ v_TerminatorSmall_y_15 (- 1)) TerminatorSmall_y) (= v_TerminatorSmall_x_14 TerminatorSmall_x)) (= TerminatorSmall_x (+ v_TerminatorSmall_x_14 (- 1))))))) [2019-08-05 18:13:04,272 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:13:04,279 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:13:04,282 INFO L168 Benchmark]: Toolchain (without parser) took 618.36 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 88.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:04,284 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 18:13:04,285 INFO L168 Benchmark]: Boogie Preprocessor took 41.24 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:04,286 INFO L168 Benchmark]: RCFGBuilder took 447.01 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 93.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:04,288 INFO L168 Benchmark]: Symbolic Interpretation took 126.83 ms. Allocated memory is still 139.5 MB. Free memory was 93.4 MB in the beginning and 88.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:04,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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 0.30 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.24 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 447.01 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 93.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 126.83 ms. Allocated memory is still 139.5 MB. Free memory was 93.4 MB in the beginning and 88.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...