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/gascake/GasCake01InvariantCheck.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:32,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:32,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:32,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:32,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:32,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:32,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:32,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:32,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:32,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:32,765 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:32,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:32,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:32,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:32,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:32,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:32,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:32,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:32,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:32,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:32,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:32,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:32,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:32,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:32,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:32,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:32,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:32,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:32,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:32,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:32,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:32,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:32,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:32,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:32,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:32,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:32,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:32,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:32,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:32,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:32,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:32,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:32,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:32,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:32,836 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:32,836 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:32,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/gascake/GasCake01InvariantCheck.bpl [2019-08-05 12:07:32,837 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/gascake/GasCake01InvariantCheck.bpl' [2019-08-05 12:07:32,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:32,888 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:32,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:32,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:32,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:32,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (1/1) ... [2019-08-05 12:07:32,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:32,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:32,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:32,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:32,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:32" (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 12:07:33,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure holdsInitially given in one single declaration [2019-08-05 12:07:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure holdsInitially [2019-08-05 12:07:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure holdsInitially [2019-08-05 12:07:33,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure isInductive given in one single declaration [2019-08-05 12:07:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure isInductive [2019-08-05 12:07:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isInductive [2019-08-05 12:07:33,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure isSafe given in one single declaration [2019-08-05 12:07:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure isSafe [2019-08-05 12:07:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isSafe [2019-08-05 12:07:33,377 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:33,377 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:33,379 INFO L202 PluginConnector]: Adding new model GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:33 BoogieIcfgContainer [2019-08-05 12:07:33,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:33,380 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:33,380 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:33,380 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:33,382 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "GasCake01InvariantCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,394 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-05 12:07:33,397 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:33,404 INFO L160 IcfgInterpreter]: Initial procedures are [isInductive, isSafe, holdsInitially] [2019-08-05 12:07:33,412 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:33,413 INFO L184 IcfgInterpreter]: Interpreting procedure isInductive with input of size 1 [2019-08-05 12:07:33,562 INFO L184 IcfgInterpreter]: Interpreting procedure isSafe with input of size 1 [2019-08-05 12:07:33,703 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-08-05 12:07:33,703 INFO L184 IcfgInterpreter]: Interpreting procedure holdsInitially with input of size 1 [2019-08-05 12:07:33,720 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:33,721 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:33,724 INFO L178 IcfgInterpreter]: Location isInductiveErr0ASSERT_VIOLATIONASSERT has predicate 6#false [2019-08-05 12:07:33,724 INFO L178 IcfgInterpreter]: Location holdsInitiallyErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-05 12:07:33,724 INFO L178 IcfgInterpreter]: Location isSafeErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (<= isSafe_output (/ 10000001.0 100000.0)) (<= (+ isSafe_output (* (/ 9.0 10.0) isSafe_internal)) (/ 10000001.0 100000.0)) (<= 0.0 (+ isSafe_internal 56.0)) (not (<= (+ isSafe_output (/ 1.0 100000.0)) 0.0)) (<= 0.0 (+ isSafe_output (* (/ 9.0 10.0) isSafe_internal) (/ 1.0 100000.0)))) [2019-08-05 12:07:33,733 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:33,736 INFO L168 Benchmark]: Toolchain (without parser) took 846.88 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 85.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:33,737 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:33,738 INFO L168 Benchmark]: Boogie Preprocessor took 50.92 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:33,740 INFO L168 Benchmark]: RCFGBuilder took 439.01 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 95.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:33,741 INFO L168 Benchmark]: Symbolic Interpretation took 353.83 ms. Allocated memory is still 133.7 MB. Free memory was 95.1 MB in the beginning and 85.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:33,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 30]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 14]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 39]: 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 133.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.92 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.01 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 95.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 353.83 ms. Allocated memory is still 133.7 MB. Free memory was 95.1 MB in the beginning and 85.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...