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/toy/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:14,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:14,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:14,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:14,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:14,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:14,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:14,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:14,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:14,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:14,647 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:14,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:14,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:14,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:14,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:14,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:14,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:14,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:14,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:14,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:14,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:14,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:14,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:14,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:14,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:14,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:14,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:14,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:14,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:14,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:14,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:14,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:14,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:14,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:14,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:14,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:14,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:14,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:14,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:14,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:14,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:14,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:14,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:14,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:14,722 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:14,722 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:14,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2019-08-06 16:54:14,723 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2019-08-06 16:54:14,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:14,756 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:14,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:14,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:14,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:14,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:14,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:14,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:14,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:14,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:14" (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 16:54:14,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2019-08-06 16:54:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2019-08-06 16:54:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2019-08-06 16:54:14,934 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:54:15,021 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:15,021 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:15,022 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:15 BoogieIcfgContainer [2019-08-06 16:54:15,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:15,023 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:15,023 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:15,023 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:15,024 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:15" (1/1) ... [2019-08-06 16:54:15,035 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:15,038 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:15,045 INFO L160 IcfgInterpreter]: Initial procedures are [mult] [2019-08-06 16:54:15,053 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:15,055 INFO L185 IcfgInterpreter]: Interpreting procedure mult with input of size 1 [2019-08-06 16:54:15,170 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:15,170 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:15,174 INFO L179 IcfgInterpreter]: Location multErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 23#(and (not (< 0 mult_tmp)) (not (= (* mult_a mult_b) mult_res)) (< 0 (+ mult_tmp 1))) [2019-08-06 16:54:15,175 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:15,185 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:15,188 INFO L168 Benchmark]: Toolchain (without parser) took 430.94 ms. Allocated memory is still 133.7 MB. Free memory was 110.3 MB in the beginning and 93.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:15,193 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:15,196 INFO L168 Benchmark]: Boogie Preprocessor took 39.52 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:15,196 INFO L168 Benchmark]: RCFGBuilder took 225.45 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:15,197 INFO L168 Benchmark]: Symbolic Interpretation took 162.45 ms. Allocated memory is still 133.7 MB. Free memory was 98.7 MB in the beginning and 93.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:15,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.52 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.45 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 162.45 ms. Allocated memory is still 133.7 MB. Free memory was 98.7 MB in the beginning and 93.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...