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/SimultaneousDecrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:50:34,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:34,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:34,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:34,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:34,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:34,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:34,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:34,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:34,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:34,963 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:34,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:34,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:34,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:34,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:34,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:34,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:34,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:34,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:34,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:34,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:34,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:34,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:34,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:34,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:34,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:34,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:34,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:34,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:34,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:34,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:35,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:35,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:35,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:35,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:35,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:35,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:35,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:35,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:35,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:35,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:35,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:35,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:35,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:35,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:35,057 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:35,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/SimultaneousDecrement.bpl [2019-08-05 11:50:35,058 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/SimultaneousDecrement.bpl' [2019-08-05 11:50:35,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:35,089 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:35,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:35,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:35,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:35,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:35,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:35,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:35,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:35,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:35" (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 11:50:35,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure SimultaneousDecrement given in one single declaration [2019-08-05 11:50:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure SimultaneousDecrement [2019-08-05 11:50:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure SimultaneousDecrement [2019-08-05 11:50:35,449 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:50:35,449 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:50:35,451 INFO L202 PluginConnector]: Adding new model SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:35 BoogieIcfgContainer [2019-08-05 11:50:35,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:35,453 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:35,453 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:35,454 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:35,456 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "SimultaneousDecrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:35" (1/1) ... [2019-08-05 11:50:35,468 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:35,472 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:35,484 INFO L160 IcfgInterpreter]: Initial procedures are [SimultaneousDecrement] [2019-08-05 11:50:35,493 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:35,494 INFO L184 IcfgInterpreter]: Interpreting procedure SimultaneousDecrement with input of size 1 [2019-08-05 11:50:35,756 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-08-05 11:50:36,007 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2019-08-05 11:50:36,141 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-08-05 11:50:36,457 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-08-05 11:50:36,592 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:36,592 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:36,596 INFO L178 IcfgInterpreter]: Location SimultaneousDecrementErr0ASSERT_VIOLATIONASSERT has predicate 29#(and (= SimultaneousDecrement_j SimultaneousDecrement_i) (not (= SimultaneousDecrement_y 0)) (= SimultaneousDecrement_x 0)) [2019-08-05 11:50:36,604 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:36,606 INFO L168 Benchmark]: Toolchain (without parser) took 1516.47 ms. Allocated memory is still 134.7 MB. Free memory was 111.7 MB in the beginning and 66.0 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:36,608 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 112.9 MB in the beginning and 112.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:50:36,609 INFO L168 Benchmark]: Boogie Preprocessor took 42.72 ms. Allocated memory is still 134.7 MB. Free memory was 111.7 MB in the beginning and 109.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:36,610 INFO L168 Benchmark]: RCFGBuilder took 318.01 ms. Allocated memory is still 134.7 MB. Free memory was 109.5 MB in the beginning and 100.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:36,612 INFO L168 Benchmark]: Symbolic Interpretation took 1151.02 ms. Allocated memory is still 134.7 MB. Free memory was 100.7 MB in the beginning and 66.2 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:36,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 112.9 MB in the beginning and 112.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.72 ms. Allocated memory is still 134.7 MB. Free memory was 111.7 MB in the beginning and 109.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 318.01 ms. Allocated memory is still 134.7 MB. Free memory was 109.5 MB in the beginning and 100.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1151.02 ms. Allocated memory is still 134.7 MB. Free memory was 100.7 MB in the beginning and 66.2 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...