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-b8c145f [2019-08-05 11:46:56,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:46:56,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:46:56,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:46:56,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:46:56,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:46:56,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:46:56,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:46:56,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:46:56,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:46:56,803 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:46:56,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:46:56,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:46:56,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:46:56,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:46:56,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:46:56,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:46:56,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:46:56,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:46:56,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:46:56,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:46:56,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:46:56,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:46:56,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:46:56,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:46:56,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:46:56,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:46:56,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:46:56,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:46:56,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:46:56,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:46:56,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:46:56,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:46:56,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:46:56,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:46:56,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:46:56,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:46:56,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:46:56,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:46:56,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:46:56,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:46:56,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:46:56,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:46:56,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:46:56,874 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:46:56,874 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:46:56,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2019-08-05 11:46:56,876 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2019-08-05 11:46:56,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:46:56,908 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:46:56,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:46:56,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:46:56,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:46:56,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (1/1) ... [2019-08-05 11:46:56,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:46:56,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:46:56,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:46:56,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:46:56,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:56" (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 11:46:57,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2019-08-05 11:46:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2019-08-05 11:46:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2019-08-05 11:46:57,080 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:46:57,184 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:46:57,184 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:46:57,185 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:57 BoogieIcfgContainer [2019-08-05 11:46:57,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:46:57,186 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:46:57,187 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:46:57,187 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:46:57,189 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:57" (1/1) ... [2019-08-05 11:46:57,202 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:46:57,207 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:46:57,220 INFO L160 IcfgInterpreter]: Initial procedures are [mult] [2019-08-05 11:46:57,232 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:46:57,233 INFO L184 IcfgInterpreter]: Interpreting procedure mult with input of size 1 [2019-08-05 11:46:57,453 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2019-08-05 11:46:57,865 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-08-05 11:46:57,975 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:46:57,975 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:46:57,980 INFO L178 IcfgInterpreter]: Location multErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 23#(and (not (< 0 mult_tmp)) (not (= (* mult_a mult_b) mult_res)) (< 0 (+ mult_tmp 1))) [2019-08-05 11:46:57,989 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:46:57,992 INFO L168 Benchmark]: Toolchain (without parser) took 1082.91 ms. Allocated memory is still 133.2 MB. Free memory was 109.7 MB in the beginning and 78.4 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:57,993 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:46:57,996 INFO L168 Benchmark]: Boogie Preprocessor took 42.44 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:57,997 INFO L168 Benchmark]: RCFGBuilder took 234.25 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 98.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:57,999 INFO L168 Benchmark]: Symbolic Interpretation took 803.13 ms. Allocated memory is still 133.2 MB. Free memory was 98.4 MB in the beginning and 78.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:58,005 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 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.44 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.25 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 98.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 803.13 ms. Allocated memory is still 133.2 MB. Free memory was 98.4 MB in the beginning and 78.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...