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/LoopFree-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:50,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:50,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:50,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:50,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:50,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:50,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:50,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:50,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:50,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:50,457 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:50,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:50,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:50,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:50,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:50,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:50,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:50,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:50,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:50,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:50,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:50,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:50,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:50,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:50,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:50,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:50,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:50,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:50,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:50,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:50,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:50,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:50,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:50,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:50,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:50,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:50,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:50,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:50,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:50,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:50,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:50,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:50,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:50,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:50,571 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:50,571 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:50,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopFree-incorrect.bpl [2019-08-06 16:55:50,573 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopFree-incorrect.bpl' [2019-08-06 16:55:50,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:50,608 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:50,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:50,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:50,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:50,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (1/1) ... [2019-08-06 16:55:50,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:50,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:50,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:50,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:50,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:50" (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 16:55:50,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure loopFreeEx given in one single declaration [2019-08-06 16:55:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure loopFreeEx [2019-08-06 16:55:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure loopFreeEx [2019-08-06 16:55:51,032 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:51,033 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:51,034 INFO L202 PluginConnector]: Adding new model LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:51 BoogieIcfgContainer [2019-08-06 16:55:51,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:51,035 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:51,035 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:51,035 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:51,036 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,047 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-06 16:55:51,050 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:51,057 INFO L160 IcfgInterpreter]: Initial procedures are [loopFreeEx] [2019-08-06 16:55:51,065 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:51,067 INFO L185 IcfgInterpreter]: Interpreting procedure loopFreeEx with input of size 1 [2019-08-06 16:55:51,136 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:51,136 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:51,139 INFO L179 IcfgInterpreter]: Location loopFreeExErr0ASSERT_VIOLATIONASSERT has predicate 29#(and (not (= 0 loopFreeEx_x)) (= 4 loopFreeEx_y) (= 1 loopFreeEx_x)) [2019-08-06 16:55:51,139 INFO L179 IcfgInterpreter]: Location loopFreeExErr1ASSERT_VIOLATIONASSERT has predicate 26#(and (= (- 1) loopFreeEx_x) (exists ((v_loopFreeEx_x_21 Int)) (and (or (= loopFreeEx_x (+ v_loopFreeEx_x_21 1)) (= v_loopFreeEx_x_21 loopFreeEx_x)) (or (and (not (<= 0 v_loopFreeEx_x_21)) (= v_loopFreeEx_x_21 0) (= 4 loopFreeEx_y)) (and (= v_loopFreeEx_x_21 5) (= 7 loopFreeEx_y)))))) [2019-08-06 16:55:51,140 INFO L179 IcfgInterpreter]: Location loopFreeExErr2ASSERT_VIOLATIONASSERT has predicate 23#(and (exists ((v_loopFreeEx_x_24 Int)) (and (exists ((v_loopFreeEx_x_20 Int)) (and (or (= v_loopFreeEx_x_24 v_loopFreeEx_x_20) (= v_loopFreeEx_x_24 (+ v_loopFreeEx_x_20 1))) (or (and (= 7 loopFreeEx_y) (= v_loopFreeEx_x_20 5)) (and (not (<= 0 v_loopFreeEx_x_20)) (= v_loopFreeEx_x_20 0) (= 4 loopFreeEx_y))))) (not (= v_loopFreeEx_x_24 (- 1))))) (= (+ loopFreeEx_y 1) loopFreeEx_x) (= (- 1) loopFreeEx_y)) [2019-08-06 16:55:51,141 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:51,149 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:51,152 INFO L168 Benchmark]: Toolchain (without parser) took 543.53 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 90.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:51,153 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:51,155 INFO L168 Benchmark]: Boogie Preprocessor took 44.13 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:51,156 INFO L168 Benchmark]: RCFGBuilder took 381.59 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:51,157 INFO L168 Benchmark]: Symbolic Interpretation took 114.71 ms. Allocated memory is still 139.5 MB. Free memory was 95.3 MB in the beginning and 90.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:51,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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: - UnprovableResult [Line: 32]: 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: 34]: 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 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.13 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.59 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 114.71 ms. Allocated memory is still 139.5 MB. Free memory was 95.3 MB in the beginning and 90.3 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...