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/regression/bpl/TestSequentialCompositionHavoc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:04,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:04,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:04,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:04,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:04,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:04,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:04,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:04,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:04,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:04,960 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:04,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:04,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:04,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:04,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:04,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:04,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:04,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:04,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:04,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:04,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:04,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:04,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:04,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:04,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:04,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:04,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:04,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:04,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:04,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:04,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:04,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:04,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:04,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:04,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:04,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:04,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:04,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:04,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:04,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:04,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:05,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:05,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:05,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:05,037 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:05,037 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:05,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialCompositionHavoc.bpl [2019-08-09 14:19:05,038 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialCompositionHavoc.bpl' [2019-08-09 14:19:05,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:05,073 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:05,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:05,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:05,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:05,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:05,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:05,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:05,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:05,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:05" (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 14:19:05,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-09 14:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-09 14:19:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-09 14:19:05,382 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:05,383 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-09 14:19:05,384 INFO L202 PluginConnector]: Adding new model TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:05 BoogieIcfgContainer [2019-08-09 14:19:05,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:05,385 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:05,385 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:05,386 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:05,386 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:05" (1/1) ... [2019-08-09 14:19:05,477 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:05,485 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:05,488 INFO L168 Benchmark]: Toolchain (without parser) took 414.33 ms. Allocated memory is still 129.0 MB. Free memory was 105.3 MB in the beginning and 88.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:05,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 129.0 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:05,491 INFO L168 Benchmark]: Boogie Preprocessor took 40.13 ms. Allocated memory is still 129.0 MB. Free memory was 105.3 MB in the beginning and 103.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:05,493 INFO L168 Benchmark]: RCFGBuilder took 270.69 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 92.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:05,494 INFO L168 Benchmark]: Symbolic Interpretation took 100.23 ms. Allocated memory is still 129.0 MB. Free memory was 92.9 MB in the beginning and 88.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:05,498 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 27#(and (not (= proc_y 0)) (= proc_a 0)). Possible FailurePath: - UnprovableResult [Line: 61]: 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 15#(and (not (= proc_y 1)) (= proc_a 10)). Possible FailurePath: - UnprovableResult [Line: 47]: 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 21#(and (not (= proc_y 0)) (= proc_y proc_a)). Possible FailurePath: - UnprovableResult [Line: 40]: 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 24#(and (not (= proc_y 0)) (= proc_a 10)). Possible FailurePath: - UnprovableResult [Line: 54]: 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 18#(and (not (= proc_y 0)) (= proc_a 10)). Possible FailurePath: - UnprovableResult [Line: 26]: 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 30#(and (not (= proc_y 0)) (= proc_a 10)). Possible FailurePath: - UnprovableResult [Line: 68]: 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 12#(and (not (= proc_y 1)) (= proc_a 10)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 129.0 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.13 ms. Allocated memory is still 129.0 MB. Free memory was 105.3 MB in the beginning and 103.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.69 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 92.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 100.23 ms. Allocated memory is still 129.0 MB. Free memory was 92.9 MB in the beginning and 88.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...