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/recursive/regression/bpl/CTL/encT_TRE_with_Boogie_Specs-Light.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:46,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:46,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:46,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:46,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:46,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:46,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:46,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:46,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:46,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:46,577 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:46,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:46,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:46,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:46,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:46,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:46,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:46,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:46,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:46,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:46,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:46,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:46,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:46,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:46,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:46,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:46,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:46,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:46,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:46,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:46,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:46,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:46,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:46,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:46,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:46,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:46,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:46,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:46,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:46,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:46,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:46,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:46,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:46,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:46,677 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:46,678 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:46,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CTL/encT_TRE_with_Boogie_Specs-Light.bpl [2019-08-09 14:18:46,679 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CTL/encT_TRE_with_Boogie_Specs-Light.bpl' [2019-08-09 14:18:46,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:46,718 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:46,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:46,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:46,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:46,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (1/1) ... [2019-08-09 14:18:46,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:46,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:46,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:46,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:46,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:46" (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 [2019-08-09 14:18:46,832 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Test given in one single declaration [2019-08-09 14:18:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure Test [2019-08-09 14:18:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure Test [2019-08-09 14:18:46,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encT given in one single declaration [2019-08-09 14:18:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure encT [2019-08-09 14:18:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure encT [2019-08-09 14:18:46,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encLT given in one single declaration [2019-08-09 14:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure encLT [2019-08-09 14:18:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure encLT [2019-08-09 14:18:46,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encLLT given in one single declaration [2019-08-09 14:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure encLLT [2019-08-09 14:18:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure encLLT [2019-08-09 14:18:46,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encRLT given in one single declaration [2019-08-09 14:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure encRLT [2019-08-09 14:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure encRLT [2019-08-09 14:18:47,220 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:47,220 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:18:47,222 INFO L202 PluginConnector]: Adding new model encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:47 BoogieIcfgContainer [2019-08-09 14:18:47,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:47,223 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:47,223 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:47,223 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:47,224 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "encT_TRE_with_Boogie_Specs-Light.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:47" (1/1) ... [2019-08-09 14:18:47,671 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:47,679 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:47,682 INFO L168 Benchmark]: Toolchain (without parser) took 962.84 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 59.9 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:47,683 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:47,684 INFO L168 Benchmark]: Boogie Preprocessor took 43.73 ms. Allocated memory is still 137.9 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:47,685 INFO L168 Benchmark]: RCFGBuilder took 459.47 ms. Allocated memory is still 137.9 MB. Free memory was 103.7 MB in the beginning and 88.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:47,686 INFO L168 Benchmark]: Symbolic Interpretation took 456.34 ms. Allocated memory is still 137.9 MB. Free memory was 88.4 MB in the beginning and 59.9 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:47,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 97]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 279#(or (and (or (and (not (= 0 encLLT_x)) (not encLLT_ret)) (and encLLT_ret (= 0 encLLT_x))) (or encLLT_ret (= 0 encLLT_x)) (or (not (= 0 encLLT_x)) (not encLLT_ret))) (and (or (and (not (= 0 encLLT_x)) (not encLLT_ret)) (and encLLT_ret (= 0 encLLT_x))) (or encLLT_ret (= 0 encLLT_x)) (or (= 1 encLLT_x) (and (<= encLLT_n 0) (= 0 encLLT_x))) (or (not (= 0 encLLT_x)) (not encLLT_ret)))). Possible FailurePath: - UnprovableResult [Line: 107]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 275#true. Possible FailurePath: - UnprovableResult [Line: 28]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 245#(and (not encT_ret) (= encT_x 1)). Possible FailurePath: - UnprovableResult [Line: 75]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 267#(or (and (or (= encLT_x 1) (= encLT_x 0)) (or (and (or (and encLT_CallRet (= 0 encLT_x_local)) (and (not encLT_CallRet) (not (= 0 encLT_x_local)))) (not encLT_CallRet) (= encLT_x encLT_x_local) (= encLT_n encLT_n_local) (or (and (not (= 1 encLT_x_local)) (not encLT_ret)) (and encLT_ret (= 1 encLT_x_local)))) (and (or (and encLT_CallRet (= 0 encLT_x_local)) (and (not encLT_CallRet) (not (= 0 encLT_x_local)))) encLT_CallRet encLT_ret (= encLT_x encLT_x_local) (= encLT_n encLT_n_local))) (not encLT_ret)) (and (or (= encLT_x 1) (= encLT_x 0)) (not encLT_ret) (or (and (or (and encLT_CallRet (= 0 encLT_x_local)) (and (not encLT_CallRet) (not (= 0 encLT_x_local)))) (not encLT_CallRet) (= encLT_x encLT_x_local) (= encLT_n encLT_n_local) (or (and (not (= 1 encLT_x_local)) (not encLT_ret)) (and encLT_ret (= 1 encLT_x_local))) (or (= encLT_x 1) (and (<= encLT_n 0) (= encLT_x 0)))) (and (or (and encLT_CallRet (= 0 encLT_x_local)) (and (not encLT_CallRet) (not (= 0 encLT_x_local)))) encLT_CallRet encLT_ret (= encLT_x encLT_x_local) (= encLT_n encLT_n_local) (or (= encLT_x 1) (and (<= encLT_n 0) (= encLT_x 0))))))). Possible FailurePath: - 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. Predicate is 162#(and (not Test_ret) (= Test_x 1) (or (not (= Test_x 1)) Test_ret)). 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 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.73 ms. Allocated memory is still 137.9 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 459.47 ms. Allocated memory is still 137.9 MB. Free memory was 103.7 MB in the beginning and 88.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 456.34 ms. Allocated memory is still 137.9 MB. Free memory was 88.4 MB in the beginning and 59.9 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...