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/open/int/proc-bool-ret-value.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:39,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:39,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:39,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:39,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:39,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:39,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:39,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:39,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:39,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:39,607 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:39,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:39,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:39,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:39,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:39,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:39,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:39,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:39,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:39,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:39,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:39,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:39,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:39,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:39,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:39,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:39,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:39,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:39,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:39,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:39,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:39,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:39,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:39,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:39,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:39,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:39,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:39,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:39,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:39,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:39,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:39,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:39,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:39,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:39,697 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:39,698 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:39,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/proc-bool-ret-value.bpl [2019-08-06 16:58:39,699 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/proc-bool-ret-value.bpl' [2019-08-06 16:58:39,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:39,733 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:39,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:39,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:39,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:39,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (1/1) ... [2019-08-06 16:58:39,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:39,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:39,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:39,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:39,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:39" (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 16:58:39,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:58:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:58:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:58:39,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:58:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:58:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:58:40,062 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:58:40,062 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:40,064 INFO L202 PluginConnector]: Adding new model proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:40 BoogieIcfgContainer [2019-08-06 16:58:40,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:40,065 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:40,065 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:40,065 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:40,066 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "proc-bool-ret-value.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:40" (1/1) ... [2019-08-06 16:58:40,077 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:40,080 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:40,086 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:58:40,094 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:40,095 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:58:40,149 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:40,149 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:40,153 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= 1 ULTIMATE.start_x) (not ULTIMATE.start_b) (exists ((v_foo_ret_BEFORE_RETURN_1 Bool)) (and (or (and ULTIMATE.start_b v_foo_ret_BEFORE_RETURN_1) (and (not v_foo_ret_BEFORE_RETURN_1) (not ULTIMATE.start_b))) (or (and (not v_foo_ret_BEFORE_RETURN_1) (not (< 0 ULTIMATE.start_x))) (and v_foo_ret_BEFORE_RETURN_1 (< 0 ULTIMATE.start_x)))))) [2019-08-06 16:58:40,155 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:40,162 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:40,164 INFO L168 Benchmark]: Toolchain (without parser) took 430.24 ms. Allocated memory is still 138.4 MB. Free memory was 106.9 MB in the beginning and 90.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:40,166 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:40,167 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:40,170 INFO L168 Benchmark]: RCFGBuilder took 288.54 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 95.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:40,171 INFO L168 Benchmark]: Symbolic Interpretation took 97.38 ms. Allocated memory is still 138.4 MB. Free memory was 95.2 MB in the beginning and 90.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:40,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.02 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 288.54 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 95.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.38 ms. Allocated memory is still 138.4 MB. Free memory was 95.2 MB in the beginning and 90.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...