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/abstractInterpretation/regression/all/proc-call-nested-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:03,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:03,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:03,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:03,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:03,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:03,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:03,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:03,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:03,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:03,130 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:03,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:03,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:03,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:03,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:03,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:03,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:03,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:03,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:03,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:03,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:03,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:03,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:03,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:03,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:03,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:03,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:03,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:03,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:03,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:03,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:03,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:03,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:03,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:03,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:03,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:03,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:03,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:03,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:03,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:03,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:03,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:03,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:03,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:03,203 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:03,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:03,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/proc-call-nested-unsafe.bpl [2019-08-09 14:20:03,204 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/proc-call-nested-unsafe.bpl' [2019-08-09 14:20:03,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:03,238 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:03,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:03,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:03,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:03,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:03,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:03,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:03,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:03,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:03" (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 14:20:03,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:20:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:20:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:20:03,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-09 14:20:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-09 14:20:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-09 14:20:03,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funA given in one single declaration [2019-08-09 14:20:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure funA [2019-08-09 14:20:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure funA [2019-08-09 14:20:03,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funB given in one single declaration [2019-08-09 14:20:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure funB [2019-08-09 14:20:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure funB [2019-08-09 14:20:03,533 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:20:03,534 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:03,536 INFO L202 PluginConnector]: Adding new model proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:03 BoogieIcfgContainer [2019-08-09 14:20:03,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:03,537 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:03,537 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:03,537 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:03,539 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "proc-call-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:03" (1/1) ... [2019-08-09 14:20:03,658 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:03,666 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:03,669 INFO L168 Benchmark]: Toolchain (without parser) took 430.54 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 91.0 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:03,671 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:03,672 INFO L168 Benchmark]: Boogie Preprocessor took 42.16 ms. Allocated memory is still 132.6 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:03,673 INFO L168 Benchmark]: RCFGBuilder took 255.38 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 95.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:03,674 INFO L168 Benchmark]: Symbolic Interpretation took 129.67 ms. Allocated memory is still 132.6 MB. Free memory was 95.5 MB in the beginning and 91.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:03,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: 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 19#(and (or (= 1 ULTIMATE.start_x) (= 0 ULTIMATE.start_x)) (not (< 1 ULTIMATE.start_x))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.16 ms. Allocated memory is still 132.6 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.38 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 95.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 129.67 ms. Allocated memory is still 132.6 MB. Free memory was 95.5 MB in the beginning and 91.0 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...