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/interprocedural/BugBackwardPredicates04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:05:39,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:05:39,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:05:39,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:05:39,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:05:39,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:05:39,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:05:39,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:05:39,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:05:39,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:05:39,934 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:05:39,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:05:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:05:39,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:05:39,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:05:39,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:05:39,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:05:39,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:05:39,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:05:39,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:05:39,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:05:39,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:05:39,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:05:39,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:05:39,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:05:39,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:05:39,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:05:39,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:05:39,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:05:39,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:05:39,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:05:39,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:05:39,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:05:39,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:05:39,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:05:39,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:05:39,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:05:39,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:05:39,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:05:39,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:05:39,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:05:39,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:05:40,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:05:40,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:05:40,006 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:05:40,007 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:05:40,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates04.bpl [2019-08-05 12:05:40,008 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates04.bpl' [2019-08-05 12:05:40,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:05:40,038 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:05:40,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:05:40,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:05:40,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:05:40,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:05:40,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:05:40,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:05:40,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:05:40,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:40" (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 12:05:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 12:05:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:05:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 12:05:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:05:40,495 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:05:40,496 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:05:40,497 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:40 BoogieIcfgContainer [2019-08-05 12:05:40,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:05:40,498 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:05:40,498 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:05:40,498 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:05:40,500 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:40" (1/1) ... [2019-08-05 12:05:40,511 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:05:40,513 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:05:40,525 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:05:40,536 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:05:40,537 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:05:40,623 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:05:40,623 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:05:40,628 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(not (= |old(g)| 7)) [2019-08-05 12:05:40,638 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:05:40,641 INFO L168 Benchmark]: Toolchain (without parser) took 602.14 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 94.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:40,643 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:05:40,644 INFO L168 Benchmark]: Boogie Preprocessor took 40.19 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 108.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:40,647 INFO L168 Benchmark]: RCFGBuilder took 418.20 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 99.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:40,649 INFO L168 Benchmark]: Symbolic Interpretation took 140.55 ms. Allocated memory is still 134.7 MB. Free memory was 99.7 MB in the beginning and 94.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:40,655 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 37]: 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 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.19 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 108.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418.20 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 99.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 140.55 ms. Allocated memory is still 134.7 MB. Free memory was 99.7 MB in the beginning and 94.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...