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/Backtranslation/regression/bpl/While.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:00,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:00,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:00,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:00,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:00,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:00,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:00,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:00,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:00,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:00,445 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:00,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:00,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:00,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:00,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:00,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:00,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:00,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:00,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:00,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:00,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:00,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:00,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:00,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:00,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:00,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:00,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:00,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:00,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:00,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:00,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:00,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:00,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:00,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:00,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:00,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:00,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:00,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:00,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:00,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:00,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:00,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:00,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:00,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:00,517 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:00,517 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:00,519 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/While.bpl [2019-08-06 16:46:00,519 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/While.bpl' [2019-08-06 16:46:00,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:00,558 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:00,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:00,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:00,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:00,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:00,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:00,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:00,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:00,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:00" (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 16:46:00,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure test given in one single declaration [2019-08-06 16:46:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-08-06 16:46:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-08-06 16:46:00,747 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:46:00,973 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:00,974 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:46:00,976 INFO L202 PluginConnector]: Adding new model While.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:00 BoogieIcfgContainer [2019-08-06 16:46:00,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:00,977 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:00,977 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:00,977 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:00,978 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "While.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:00" (1/1) ... [2019-08-06 16:46:00,992 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:46:00,996 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:01,003 INFO L160 IcfgInterpreter]: Initial procedures are [test] [2019-08-06 16:46:01,012 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:01,015 INFO L185 IcfgInterpreter]: Interpreting procedure test with input of size 1 [2019-08-06 16:46:01,147 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:01,148 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:01,151 INFO L179 IcfgInterpreter]: Location testErr0ASSERT_VIOLATIONASSERT has predicate 35#(and (or (and (exists ((v_test_a_23 Int) (v_test_r_26 Int)) (and (= test_r (* 2 v_test_r_26)) (= test_a (+ (* (- 3) v_test_a_23) (- 1))) (not (< v_test_a_23 100)) (or (and (exists ((v_test_r_24 Int)) (and (or (and (= 0 v_test_r_24) (= test_ain 51)) (= test_ain 51)) (= v_test_r_26 (* 2 v_test_r_24)))) (exists ((v_test_a_21 Int)) (and (not (< v_test_a_21 100)) (= v_test_a_23 (+ (* (- 3) v_test_a_21) (- 1))))) (< 0 v_test_a_23)) (exists ((v_test_a_22 Int) (v_test_r_25 Int)) (and (or (and (= (+ v_test_r_25 1) v_test_r_26) (not (= 0 (mod v_test_a_22 2)))) (and (= (+ v_test_r_25 2) v_test_r_26) (= 0 (mod v_test_a_22 2)))) (< v_test_a_22 100) (= v_test_a_23 (+ (* 2 v_test_a_22) 1)) (or (and (= test_ain 51) (= 0 v_test_r_25)) (= test_ain 51))))))) (not (< 0 test_a))) (and (= test_r 0) (= test_ain test_a) (not (< 0 test_a)) (= test_ain 51))) (not (= test_r 0))) [2019-08-06 16:46:01,153 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:01,160 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:01,163 INFO L168 Benchmark]: Toolchain (without parser) took 603.88 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 87.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:01,164 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:46:01,166 INFO L168 Benchmark]: Boogie Preprocessor took 51.62 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:01,167 INFO L168 Benchmark]: RCFGBuilder took 365.10 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 94.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:01,168 INFO L168 Benchmark]: Symbolic Interpretation took 183.66 ms. Allocated memory is still 140.0 MB. Free memory was 94.7 MB in the beginning and 87.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:01,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.62 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.10 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 94.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 183.66 ms. Allocated memory is still 140.0 MB. Free memory was 94.7 MB in the beginning and 87.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...