./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:39:43,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:39:43,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:39:43,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:39:43,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:39:43,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:39:43,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:39:43,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:39:43,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:39:43,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:39:43,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:39:43,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:39:43,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:39:43,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:39:43,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:39:43,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:39:43,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:39:43,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:39:43,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:39:43,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:39:43,119 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:39:43,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:39:43,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:39:43,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:39:43,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:39:43,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:39:43,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:39:43,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:39:43,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:39:43,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:39:43,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:39:43,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:39:43,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:39:43,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:39:43,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:39:43,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:39:43,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:39:43,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:39:43,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:39:43,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:39:43,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:39:43,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:39:43,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:39:43,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:39:43,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:39:43,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:39:43,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:39:43,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:39:43,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:39:43,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:39:43,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:39:43,182 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:39:43,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:39:43,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:39:43,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:39:43,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:39:43,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:39:43,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:39:43,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:39:43,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:39:43,184 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:39:43,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:39:43,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:39:43,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:39:43,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:39:43,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:39:43,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:39:43,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:43,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:39:43,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:39:43,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:39:43,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:39:43,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:39:43,188 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:39:43,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:39:43,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:39:43,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2022-07-22 17:39:43,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:39:43,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:39:43,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:39:43,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:39:43,451 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:39:43,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-07-22 17:39:43,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578d0bd23/09e6205e6e8440bdbe526d9ab5d3bac9/FLAGec04a141f [2022-07-22 17:39:44,038 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:39:44,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-07-22 17:39:44,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578d0bd23/09e6205e6e8440bdbe526d9ab5d3bac9/FLAGec04a141f [2022-07-22 17:39:44,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578d0bd23/09e6205e6e8440bdbe526d9ab5d3bac9 [2022-07-22 17:39:44,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:39:44,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:39:44,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:44,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:39:44,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:39:44,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fead407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44, skipping insertion in model container [2022-07-22 17:39:44,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:39:44,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:39:44,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2022-07-22 17:39:44,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:44,759 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:39:44,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2022-07-22 17:39:44,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:44,872 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:39:44,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44 WrapperNode [2022-07-22 17:39:44,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:44,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:44,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:39:44,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:39:44,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,934 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 253 [2022-07-22 17:39:44,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:44,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:39:44,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:39:44,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:39:44,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:39:44,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:39:44,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:39:44,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:39:44,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:45,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:39:45,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:39:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:39:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:39:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:39:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:39:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:39:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:39:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:39:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:39:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:39:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:39:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:39:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-22 17:39:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-22 17:39:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-22 17:39:45,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-22 17:39:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:39:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:39:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:39:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:39:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:39:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:39:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:39:45,197 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:39:45,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:39:45,535 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:39:45,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:39:45,546 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:39:45,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:45 BoogieIcfgContainer [2022-07-22 17:39:45,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:39:45,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:39:45,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:39:45,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:39:45,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:39:44" (1/3) ... [2022-07-22 17:39:45,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215afcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:45, skipping insertion in model container [2022-07-22 17:39:45,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (2/3) ... [2022-07-22 17:39:45,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215afcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:45, skipping insertion in model container [2022-07-22 17:39:45,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:45" (3/3) ... [2022-07-22 17:39:45,558 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2022-07-22 17:39:45,571 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:39:45,571 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:39:45,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:39:45,638 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@66ee0145, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1018b709 [2022-07-22 17:39:45,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:39:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 73 states have (on average 1.356164383561644) internal successors, (99), 82 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-22 17:39:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:39:45,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,667 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:45,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,674 INFO L85 PathProgramCache]: Analyzing trace with hash -759903352, now seen corresponding path program 1 times [2022-07-22 17:39:45,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856648923] [2022-07-22 17:39:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:39:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:39:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856648923] [2022-07-22 17:39:45,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856648923] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:39:45,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971500356] [2022-07-22 17:39:45,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:39:45,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:39:45,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:39:45,979 INFO L87 Difference]: Start difference. First operand has 100 states, 73 states have (on average 1.356164383561644) internal successors, (99), 82 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:46,021 INFO L93 Difference]: Finished difference Result 191 states and 256 transitions. [2022-07-22 17:39:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:39:46,023 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-22 17:39:46,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:46,030 INFO L225 Difference]: With dead ends: 191 [2022-07-22 17:39:46,031 INFO L226 Difference]: Without dead ends: 91 [2022-07-22 17:39:46,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:39:46,037 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:46,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:46,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-22 17:39:46,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-22 17:39:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 74 states have internal predecessors, (85), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:39:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2022-07-22 17:39:46,084 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 32 [2022-07-22 17:39:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:46,085 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2022-07-22 17:39:46,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-07-22 17:39:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 17:39:46,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:46,087 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:46,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:39:46,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:46,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:46,089 INFO L85 PathProgramCache]: Analyzing trace with hash 852259136, now seen corresponding path program 1 times [2022-07-22 17:39:46,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:46,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131549413] [2022-07-22 17:39:46,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:39:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:46,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:46,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131549413] [2022-07-22 17:39:46,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131549413] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:46,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:46,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:39:46,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809174006] [2022-07-22 17:39:46,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:46,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:39:46,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:46,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:39:46,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:46,195 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:46,244 INFO L93 Difference]: Finished difference Result 256 states and 334 transitions. [2022-07-22 17:39:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:39:46,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-07-22 17:39:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:46,248 INFO L225 Difference]: With dead ends: 256 [2022-07-22 17:39:46,248 INFO L226 Difference]: Without dead ends: 173 [2022-07-22 17:39:46,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:46,251 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 91 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:46,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 248 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:46,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-07-22 17:39:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2022-07-22 17:39:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 121 states have (on average 1.3057851239669422) internal successors, (158), 136 states have internal predecessors, (158), 32 states have call successors, (32), 18 states have call predecessors, (32), 16 states have return successors, (30), 21 states have call predecessors, (30), 30 states have call successors, (30) [2022-07-22 17:39:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 220 transitions. [2022-07-22 17:39:46,296 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 220 transitions. Word has length 37 [2022-07-22 17:39:46,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:46,296 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 220 transitions. [2022-07-22 17:39:46,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 220 transitions. [2022-07-22 17:39:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-22 17:39:46,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:46,300 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:46,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:39:46,300 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:46,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:46,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1794651926, now seen corresponding path program 1 times [2022-07-22 17:39:46,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:46,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870941037] [2022-07-22 17:39:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:46,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:39:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:39:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:39:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 17:39:46,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:46,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870941037] [2022-07-22 17:39:46,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870941037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:46,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:46,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:39:46,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990959166] [2022-07-22 17:39:46,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:46,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:39:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:46,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:39:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:39:46,493 INFO L87 Difference]: Start difference. First operand 170 states and 220 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 17:39:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:46,710 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2022-07-22 17:39:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:39:46,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-07-22 17:39:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:46,712 INFO L225 Difference]: With dead ends: 290 [2022-07-22 17:39:46,712 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:39:46,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-22 17:39:46,718 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 69 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:46,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 240 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:39:46,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:39:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 17:39:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:39:46,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2022-07-22 17:39:46,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:46,724 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:39:46,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 17:39:46,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:39:46,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:39:46,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:39:46,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:39:46,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:39:47,172 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 255 262) the Hoare annotation is: true [2022-07-22 17:39:47,173 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2022-07-22 17:39:47,173 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 255 262) no Hoare annotation was computed. [2022-07-22 17:39:47,173 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 171 177) no Hoare annotation was computed. [2022-07-22 17:39:47,173 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 171 177) the Hoare annotation is: true [2022-07-22 17:39:47,173 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 381 392) no Hoare annotation was computed. [2022-07-22 17:39:47,173 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 381 392) the Hoare annotation is: true [2022-07-22 17:39:47,173 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 381 392) no Hoare annotation was computed. [2022-07-22 17:39:47,173 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2022-07-22 17:39:47,174 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,174 INFO L902 garLoopResultBuilder]: At program point L470(lines 445 474) the Hoare annotation is: true [2022-07-22 17:39:47,174 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2022-07-22 17:39:47,174 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2022-07-22 17:39:47,174 INFO L895 garLoopResultBuilder]: At program point L459-1(lines 459 463) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,174 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-07-22 17:39:47,174 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 469) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,174 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2022-07-22 17:39:47,175 INFO L895 garLoopResultBuilder]: At program point L927(lines 920 929) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 157) no Hoare annotation was computed. [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 147 169) no Hoare annotation was computed. [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 221) no Hoare annotation was computed. [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 226) no Hoare annotation was computed. [2022-07-22 17:39:47,175 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2022-07-22 17:39:47,175 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 144 170) no Hoare annotation was computed. [2022-07-22 17:39:47,176 INFO L895 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,176 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2022-07-22 17:39:47,176 INFO L895 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,176 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,176 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-22 17:39:47,176 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,176 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2022-07-22 17:39:47,176 INFO L895 garLoopResultBuilder]: At program point L430(lines 425 433) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,177 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2022-07-22 17:39:47,177 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2022-07-22 17:39:47,177 INFO L895 garLoopResultBuilder]: At program point L938-1(lines 930 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,177 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,177 INFO L895 garLoopResultBuilder]: At program point L224-1(lines 205 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,177 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2022-07-22 17:39:47,177 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,177 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 144 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 170) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 357 368) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,178 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 116) no Hoare annotation was computed. [2022-07-22 17:39:47,178 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 117) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-22 17:39:47,179 INFO L902 garLoopResultBuilder]: At program point L515(lines 507 517) the Hoare annotation is: true [2022-07-22 17:39:47,179 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:39:47,179 INFO L895 garLoopResultBuilder]: At program point L990(lines 985 993) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:39:47,179 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-07-22 17:39:47,179 INFO L895 garLoopResultBuilder]: At program point L350(lines 338 352) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-22 17:39:47,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:39:47,179 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2022-07-22 17:39:47,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:39:47,179 INFO L902 garLoopResultBuilder]: At program point L540(lines 521 543) the Hoare annotation is: true [2022-07-22 17:39:47,180 INFO L895 garLoopResultBuilder]: At program point L503(lines 499 505) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:39:47,180 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-22 17:39:47,180 INFO L895 garLoopResultBuilder]: At program point L982(lines 978 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:39:47,180 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-22 17:39:47,180 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-07-22 17:39:47,180 INFO L899 garLoopResultBuilder]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2022-07-22 17:39:47,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:39:47,180 INFO L895 garLoopResultBuilder]: At program point L917(lines 912 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:39:47,180 INFO L895 garLoopResultBuilder]: At program point L975(lines 971 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-22 17:39:47,181 INFO L902 garLoopResultBuilder]: At program point L125(lines 64 129) the Hoare annotation is: true [2022-07-22 17:39:47,181 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 369 380) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L899 garLoopResultBuilder]: For program point L373-1(lines 369 380) no Hoare annotation was computed. [2022-07-22 17:39:47,181 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 369 380) the Hoare annotation is: true [2022-07-22 17:39:47,182 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,182 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,182 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 195) no Hoare annotation was computed. [2022-07-22 17:39:47,182 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 200) no Hoare annotation was computed. [2022-07-22 17:39:47,182 INFO L895 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,182 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 179 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,182 INFO L895 garLoopResultBuilder]: At program point L334(lines 319 337) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:39:47,182 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 179 203) no Hoare annotation was computed. [2022-07-22 17:39:47,182 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 332) no Hoare annotation was computed. [2022-07-22 17:39:47,182 INFO L899 garLoopResultBuilder]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2022-07-22 17:39:47,183 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:39:47,183 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 179 203) no Hoare annotation was computed. [2022-07-22 17:39:47,183 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2022-07-22 17:39:47,183 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 274 282) the Hoare annotation is: true [2022-07-22 17:39:47,183 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 274 282) no Hoare annotation was computed. [2022-07-22 17:39:47,183 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 263 273) the Hoare annotation is: true [2022-07-22 17:39:47,183 INFO L902 garLoopResultBuilder]: At program point L398(lines 393 401) the Hoare annotation is: true [2022-07-22 17:39:47,183 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2022-07-22 17:39:47,183 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 263 273) no Hoare annotation was computed. [2022-07-22 17:39:47,186 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-22 17:39:47,188 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:39:47,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:39:47 BoogieIcfgContainer [2022-07-22 17:39:47,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:39:47,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:39:47,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:39:47,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:39:47,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:45" (3/4) ... [2022-07-22 17:39:47,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:39:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:39:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:39:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:39:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:39:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:39:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:39:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:39:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-22 17:39:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-22 17:39:47,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-22 17:39:47,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:39:47,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:39:47,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:39:47,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:39:47,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:39:47,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:39:47,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:39:47,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:39:47,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:39:47,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:39:47,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:39:47,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:39:47,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:39:47,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:39:47,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:39:47,311 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:39:47,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:39:47,312 INFO L158 Benchmark]: Toolchain (without parser) took 2811.45ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.8MB in the beginning and 69.6MB in the end (delta: 6.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,313 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:39:47,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.82ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 56.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 102.8MB. Free memory was 56.7MB in the beginning and 54.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,314 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 102.8MB. Free memory was 54.1MB in the beginning and 52.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,314 INFO L158 Benchmark]: RCFGBuilder took 574.98ms. Allocated memory is still 102.8MB. Free memory was 52.5MB in the beginning and 67.4MB in the end (delta: -15.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,314 INFO L158 Benchmark]: TraceAbstraction took 1666.52ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 67.0MB in the beginning and 74.9MB in the end (delta: -7.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,315 INFO L158 Benchmark]: Witness Printer took 93.35ms. Allocated memory is still 123.7MB. Free memory was 74.9MB in the beginning and 69.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:39:47,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.82ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 56.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 102.8MB. Free memory was 56.7MB in the beginning and 54.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 102.8MB. Free memory was 54.1MB in the beginning and 52.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.98ms. Allocated memory is still 102.8MB. Free memory was 52.5MB in the beginning and 67.4MB in the end (delta: -15.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1666.52ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 67.0MB in the beginning and 74.9MB in the end (delta: -7.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 93.35ms. Allocated memory is still 123.7MB. Free memory was 74.9MB in the beginning and 69.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 613 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 332 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 393 PreInvPairs, 452 NumberOfFragments, 213 HoareAnnotationTreeSize, 393 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 509 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:39:47,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE