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/BugHoareAnnotation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:28,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:28,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:28,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:28,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:28,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:28,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:28,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:28,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:28,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:28,126 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:28,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:28,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:28,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:28,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:28,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:28,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:28,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:28,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:28,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:28,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:28,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:28,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:28,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:28,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:28,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:28,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:28,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:28,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:28,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:28,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:28,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:28,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:28,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:28,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:28,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:28,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:28,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:28,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:28,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:28,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:28,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:28,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:28,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:28,230 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:28,231 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:28,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugHoareAnnotation.bpl [2019-08-06 16:58:28,232 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugHoareAnnotation.bpl' [2019-08-06 16:58:28,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:28,268 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:28,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:28,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:28,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:28,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:28,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:28,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:28,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:28,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:28" (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 16:58:28,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Main given in one single declaration [2019-08-06 16:58:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-06 16:58:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-06 16:58:28,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure nT given in one single declaration [2019-08-06 16:58:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure nT [2019-08-06 16:58:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure nT [2019-08-06 16:58:28,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alwaysTrue given in one single declaration [2019-08-06 16:58:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure alwaysTrue [2019-08-06 16:58:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure alwaysTrue [2019-08-06 16:58:28,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure isZero given in one single declaration [2019-08-06 16:58:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure isZero [2019-08-06 16:58:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isZero [2019-08-06 16:58:28,406 INFO L124 BoogieDeclarations]: Specification and implementation of procedure notZero given in one single declaration [2019-08-06 16:58:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure notZero [2019-08-06 16:58:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure notZero [2019-08-06 16:58:28,926 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:28,926 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:58:28,928 INFO L202 PluginConnector]: Adding new model BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:28 BoogieIcfgContainer [2019-08-06 16:58:28,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:28,929 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:28,929 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:28,929 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:28,930 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugHoareAnnotation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:28" (1/1) ... [2019-08-06 16:58:28,944 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:28,950 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:28,963 INFO L160 IcfgInterpreter]: Initial procedures are [Main] [2019-08-06 16:58:28,972 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:28,974 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-06 16:58:29,079 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:29,080 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:29,082 INFO L179 IcfgInterpreter]: Location MainErr0ASSERT_VIOLATIONASSERT has predicate 36#(and (exists ((v_nT_verum_BEFORE_RETURN_1 Bool)) (not v_nT_verum_BEFORE_RETURN_1)) (exists ((v_nT_ret_BEFORE_RETURN_1 Bool)) (and (or (and Main_ret v_nT_ret_BEFORE_RETURN_1) (and (not Main_ret) (not v_nT_ret_BEFORE_RETURN_1))) (not v_nT_ret_BEFORE_RETURN_1))) (= Main_x 1) (not Main_ret)) [2019-08-06 16:58:29,083 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:29,090 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:29,093 INFO L168 Benchmark]: Toolchain (without parser) took 824.02 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 86.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:29,096 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:29,097 INFO L168 Benchmark]: Boogie Preprocessor took 51.93 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:29,098 INFO L168 Benchmark]: RCFGBuilder took 607.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 92.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:29,101 INFO L168 Benchmark]: Symbolic Interpretation took 161.46 ms. Allocated memory is still 132.1 MB. Free memory was 92.4 MB in the beginning and 86.3 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:29,107 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.93 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 607.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 92.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 161.46 ms. Allocated memory is still 132.1 MB. Free memory was 92.4 MB in the beginning and 86.3 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...