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/WaterTank2-NumberVariables.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:43,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:43,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:43,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:43,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:43,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:43,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:43,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:43,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:43,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:43,528 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:43,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:43,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:43,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:43,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:43,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:43,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:43,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:43,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:43,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:43,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:43,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:43,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:43,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:43,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:43,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:43,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:43,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:43,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:43,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:43,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:43,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:43,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:43,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:43,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:43,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:43,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:43,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:43,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:43,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:43,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:43,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:43,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:43,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:43,602 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:43,602 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:43,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/WaterTank2-NumberVariables.bpl [2019-08-05 11:49:43,604 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/WaterTank2-NumberVariables.bpl' [2019-08-05 11:49:43,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:43,642 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:43,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:43,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:43,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:43,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:43,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:43,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:43,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:43,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:43" (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 11:49:43,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure waterTank given in one single declaration [2019-08-05 11:49:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterTank [2019-08-05 11:49:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure waterTank [2019-08-05 11:49:43,919 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:43,920 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:49:43,922 INFO L202 PluginConnector]: Adding new model WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:43 BoogieIcfgContainer [2019-08-05 11:49:43,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:43,922 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:43,923 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:43,923 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:43,924 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:43" (1/1) ... [2019-08-05 11:49:43,936 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:43,939 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:43,946 INFO L160 IcfgInterpreter]: Initial procedures are [waterTank] [2019-08-05 11:49:43,954 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:43,955 INFO L184 IcfgInterpreter]: Interpreting procedure waterTank with input of size 1 [2019-08-05 11:49:44,345 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2019-08-05 11:49:44,724 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-08-05 11:49:45,012 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-08-05 11:49:45,228 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-05 11:49:45,445 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-08-05 11:49:45,789 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-05 11:50:08,907 WARN L188 SmtUtils]: Spent 23.10 s on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-08-05 11:50:08,951 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:08,951 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:08,955 INFO L178 IcfgInterpreter]: Location waterTankErr0ASSERT_VIOLATIONASSERT has predicate 33#(and (< waterTank_time (+ waterTank_hundred 1)) (<= waterTank_increment 3) (not (<= waterTank_fillLevel waterTank_thousand)) (not (< waterTank_time waterTank_hundred))) [2019-08-05 11:50:08,963 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:08,966 INFO L168 Benchmark]: Toolchain (without parser) took 25323.21 ms. Allocated memory was 141.6 MB in the beginning and 175.1 MB in the end (delta: 33.6 MB). Free memory was 111.1 MB in the beginning and 115.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:08,967 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.18 ms. Allocated memory is still 141.6 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:50:08,968 INFO L168 Benchmark]: Boogie Preprocessor took 40.70 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 109.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:08,969 INFO L168 Benchmark]: RCFGBuilder took 238.01 ms. Allocated memory is still 141.6 MB. Free memory was 108.9 MB in the beginning and 99.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:08,971 INFO L168 Benchmark]: Symbolic Interpretation took 25041.33 ms. Allocated memory was 141.6 MB in the beginning and 175.1 MB in the end (delta: 33.6 MB). Free memory was 99.7 MB in the beginning and 115.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:08,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 29]: 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 1.18 ms. Allocated memory is still 141.6 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.70 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 109.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.01 ms. Allocated memory is still 141.6 MB. Free memory was 108.9 MB in the beginning and 99.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 25041.33 ms. Allocated memory was 141.6 MB in the beginning and 175.1 MB in the end (delta: 33.6 MB). Free memory was 99.7 MB in the beginning and 115.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...