./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product32.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_spec2_product32.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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:37,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:37,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:37,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:37,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:37,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:37,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:37,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:37,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:37,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:37,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:37,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:37,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:37,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:37,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:37,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:37,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:37,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:37,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:37,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:37,520 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:37,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:37,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:37,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:37,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:37,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:37,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:37,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:37,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:37,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:37,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:37,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:37,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:37,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:37,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:37,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:37,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:37,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:37,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:37,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:37,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:37,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:37,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:37,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:37,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:37,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:37,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:37,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:37,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:37,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:37,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:37,575 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:37,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:37,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:37,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:37,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:37,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:37,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:37,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:37,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:37,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:37,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:37,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:37,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:37,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:37,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:37,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:37,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:37,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:37,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:37,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:37,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:37,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:37,580 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:37,580 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:37,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:37,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2022-07-22 17:37:37,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:37,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:37,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:37,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:37,864 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:37,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2022-07-22 17:37:37,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8e45e4a9/558181f53a13493c9ae09deca089be05/FLAGde8fd8bbf [2022-07-22 17:37:38,438 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:38,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2022-07-22 17:37:38,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8e45e4a9/558181f53a13493c9ae09deca089be05/FLAGde8fd8bbf [2022-07-22 17:37:38,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8e45e4a9/558181f53a13493c9ae09deca089be05 [2022-07-22 17:37:38,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:38,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:38,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:38,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:38,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:38,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a64400a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38, skipping insertion in model container [2022-07-22 17:37:38,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:38,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:38,959 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_spec2_product32.cil.c[1605,1618] [2022-07-22 17:37:39,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:39,107 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:39,119 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_spec2_product32.cil.c[1605,1618] [2022-07-22 17:37:39,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:39,202 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:39,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39 WrapperNode [2022-07-22 17:37:39,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:39,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:39,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:39,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:39,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,277 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 238 [2022-07-22 17:37:39,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:39,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:39,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:39,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:39,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:39,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:39,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:39,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:39,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (1/1) ... [2022-07-22 17:37:39,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:39,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:39,356 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 17:37:39,361 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 17:37:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:37:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:37:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-22 17:37:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-22 17:37:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:39,486 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:39,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:39,819 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:39,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:39,826 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:39,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:39 BoogieIcfgContainer [2022-07-22 17:37:39,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:39,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:39,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:39,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:39,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:38" (1/3) ... [2022-07-22 17:37:39,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41889878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:39, skipping insertion in model container [2022-07-22 17:37:39,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:39" (2/3) ... [2022-07-22 17:37:39,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41889878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:39, skipping insertion in model container [2022-07-22 17:37:39,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:39" (3/3) ... [2022-07-22 17:37:39,837 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2022-07-22 17:37:39,848 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:39,848 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:39,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:39,916 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@5e8d8a90, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@18b7d33d [2022-07-22 17:37:39,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 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 17:37:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:39,938 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:39,939 INFO L195 NwaCegarLoop]: trace histogram [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 17:37:39,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:39,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:39,946 INFO L85 PathProgramCache]: Analyzing trace with hash -905457996, now seen corresponding path program 1 times [2022-07-22 17:37:39,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:39,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978110882] [2022-07-22 17:37:39,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:40,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:40,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978110882] [2022-07-22 17:37:40,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978110882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:40,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:40,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:40,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881751904] [2022-07-22 17:37:40,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:40,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:40,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:40,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:40,229 INFO L87 Difference]: Start difference. First operand has 98 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:40,262 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2022-07-22 17:37:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:40,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:37:40,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:40,275 INFO L225 Difference]: With dead ends: 187 [2022-07-22 17:37:40,275 INFO L226 Difference]: Without dead ends: 89 [2022-07-22 17:37:40,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 17:37:40,281 INFO L413 NwaCegarLoop]: 123 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, 123 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 17:37:40,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-22 17:37:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-22 17:37:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 64 states have (on average 1.296875) internal successors, (83), 72 states have internal predecessors, (83), 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 17:37:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-07-22 17:37:40,318 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 25 [2022-07-22 17:37:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:40,318 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 17:37:40,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-07-22 17:37:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:40,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:40,321 INFO L195 NwaCegarLoop]: trace histogram [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 17:37:40,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:40,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:40,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:40,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1775513804, now seen corresponding path program 1 times [2022-07-22 17:37:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:40,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413389675] [2022-07-22 17:37:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:40,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:40,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:40,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413389675] [2022-07-22 17:37:40,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413389675] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:40,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:40,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:40,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765480620] [2022-07-22 17:37:40,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:40,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:40,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:40,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:40,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:40,427 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:40,447 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2022-07-22 17:37:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:40,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:37:40,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:40,449 INFO L225 Difference]: With dead ends: 138 [2022-07-22 17:37:40,450 INFO L226 Difference]: Without dead ends: 80 [2022-07-22 17:37:40,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 17:37:40,452 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:40,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:40,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-07-22 17:37:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-07-22 17:37:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:37:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2022-07-22 17:37:40,464 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 26 [2022-07-22 17:37:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:40,464 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2022-07-22 17:37:40,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2022-07-22 17:37:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:37:40,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:40,466 INFO L195 NwaCegarLoop]: trace histogram [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 17:37:40,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:40,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:40,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:40,467 INFO L85 PathProgramCache]: Analyzing trace with hash -775116306, now seen corresponding path program 1 times [2022-07-22 17:37:40,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:40,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005216601] [2022-07-22 17:37:40,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:40,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:40,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:40,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005216601] [2022-07-22 17:37:40,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005216601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:40,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:40,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:40,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049711022] [2022-07-22 17:37:40,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:40,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:40,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:40,555 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:40,598 INFO L93 Difference]: Finished difference Result 222 states and 289 transitions. [2022-07-22 17:37:40,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:40,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-22 17:37:40,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:40,604 INFO L225 Difference]: With dead ends: 222 [2022-07-22 17:37:40,604 INFO L226 Difference]: Without dead ends: 150 [2022-07-22 17:37:40,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:37:40,606 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 79 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:40,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 216 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-07-22 17:37:40,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2022-07-22 17:37:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 119 states have internal predecessors, (139), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-22 17:37:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2022-07-22 17:37:40,628 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 31 [2022-07-22 17:37:40,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:40,629 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2022-07-22 17:37:40,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2022-07-22 17:37:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 17:37:40,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:40,631 INFO L195 NwaCegarLoop]: trace histogram [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 17:37:40,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:40,632 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:40,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:40,632 INFO L85 PathProgramCache]: Analyzing trace with hash -471183706, now seen corresponding path program 1 times [2022-07-22 17:37:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:40,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838330395] [2022-07-22 17:37:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:40,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:40,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838330395] [2022-07-22 17:37:40,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838330395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:40,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:40,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:40,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920290738] [2022-07-22 17:37:40,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:40,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:40,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:40,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:40,745 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:40,812 INFO L93 Difference]: Finished difference Result 242 states and 315 transitions. [2022-07-22 17:37:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:40,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-22 17:37:40,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:40,814 INFO L225 Difference]: With dead ends: 242 [2022-07-22 17:37:40,814 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:40,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:40,821 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 43 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:40,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 169 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:40,825 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 17:37:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:40,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-07-22 17:37:40,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:40,826 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:40,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:40,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:40,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:40,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:40,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:41,176 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 254 261) the Hoare annotation is: true [2022-07-22 17:37:41,176 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 254 261) no Hoare annotation was computed. [2022-07-22 17:37:41,176 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 254 261) no Hoare annotation was computed. [2022-07-22 17:37:41,176 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 170 176) no Hoare annotation was computed. [2022-07-22 17:37:41,177 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 170 176) the Hoare annotation is: true [2022-07-22 17:37:41,177 INFO L899 garLoopResultBuilder]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2022-07-22 17:37:41,177 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 524 535) the Hoare annotation is: true [2022-07-22 17:37:41,177 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 524 535) no Hoare annotation was computed. [2022-07-22 17:37:41,177 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 536 544) the Hoare annotation is: true [2022-07-22 17:37:41,177 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 536 544) no Hoare annotation was computed. [2022-07-22 17:37:41,177 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 536 544) no Hoare annotation was computed. [2022-07-22 17:37:41,177 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2022-07-22 17:37:41,178 INFO L899 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2022-07-22 17:37:41,178 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2022-07-22 17:37:41,178 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2022-07-22 17:37:41,178 INFO L902 garLoopResultBuilder]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2022-07-22 17:37:41,178 INFO L899 garLoopResultBuilder]: For program point L373(line 373) no Hoare annotation was computed. [2022-07-22 17:37:41,178 INFO L902 garLoopResultBuilder]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2022-07-22 17:37:41,178 INFO L902 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: true [2022-07-22 17:37:41,178 INFO L899 garLoopResultBuilder]: For program point L368-1(line 368) no Hoare annotation was computed. [2022-07-22 17:37:41,179 INFO L902 garLoopResultBuilder]: At program point L387(lines 362 391) the Hoare annotation is: true [2022-07-22 17:37:41,179 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2022-07-22 17:37:41,179 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 146 169) no Hoare annotation was computed. [2022-07-22 17:37:41,179 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,179 INFO L895 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,179 INFO L899 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2022-07-22 17:37:41,179 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,179 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,179 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-07-22 17:37:41,180 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,180 INFO L895 garLoopResultBuilder]: At program point L223-1(lines 204 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,180 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 157 163) no Hoare annotation was computed. [2022-07-22 17:37:41,180 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 508) no Hoare annotation was computed. [2022-07-22 17:37:41,180 INFO L895 garLoopResultBuilder]: At program point L504-2(lines 500 511) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,180 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-22 17:37:41,180 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 618) no Hoare annotation was computed. [2022-07-22 17:37:41,180 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2022-07-22 17:37:41,181 INFO L895 garLoopResultBuilder]: At program point L604-1(lines 596 624) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,181 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,181 INFO L895 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-07-22 17:37:41,181 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 149 168) no Hoare annotation was computed. [2022-07-22 17:37:41,181 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2022-07-22 17:37:41,181 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2022-07-22 17:37:41,181 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 146 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,181 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 169) no Hoare annotation was computed. [2022-07-22 17:37:41,182 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-22 17:37:41,182 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:41,182 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 455) no Hoare annotation was computed. [2022-07-22 17:37:41,182 INFO L899 garLoopResultBuilder]: For program point L448-2(lines 448 455) no Hoare annotation was computed. [2022-07-22 17:37:41,182 INFO L895 garLoopResultBuilder]: At program point L477(lines 473 479) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:41,182 INFO L895 garLoopResultBuilder]: At program point L349(lines 337 351) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:41,182 INFO L895 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:41,182 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-22 17:37:41,183 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2022-07-22 17:37:41,183 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-22 17:37:41,183 INFO L899 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2022-07-22 17:37:41,184 INFO L895 garLoopResultBuilder]: At program point L593(lines 588 595) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:41,184 INFO L902 garLoopResultBuilder]: At program point L432(lines 424 434) the Hoare annotation is: true [2022-07-22 17:37:41,185 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2022-07-22 17:37:41,185 INFO L902 garLoopResultBuilder]: At program point L457(lines 438 460) the Hoare annotation is: true [2022-07-22 17:37:41,185 INFO L895 garLoopResultBuilder]: At program point L420(lines 416 422) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:41,185 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:41,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:41,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:41,186 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:41,186 INFO L902 garLoopResultBuilder]: At program point L128(lines 65 132) the Hoare annotation is: true [2022-07-22 17:37:41,186 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2022-07-22 17:37:41,186 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2022-07-22 17:37:41,186 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:41,187 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: false [2022-07-22 17:37:41,187 INFO L895 garLoopResultBuilder]: At program point L492(lines 487 495) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:41,187 INFO L895 garLoopResultBuilder]: At program point L484(lines 480 486) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:41,187 INFO L895 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2022-07-22 17:37:41,187 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-07-22 17:37:41,187 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:41,188 INFO L899 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2022-07-22 17:37:41,188 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2022-07-22 17:37:41,188 INFO L895 garLoopResultBuilder]: At program point L357(lines 352 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:41,188 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 512 523) no Hoare annotation was computed. [2022-07-22 17:37:41,188 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 512 523) the Hoare annotation is: true [2022-07-22 17:37:41,189 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 512 523) no Hoare annotation was computed. [2022-07-22 17:37:41,189 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,189 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,189 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2022-07-22 17:37:41,189 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2022-07-22 17:37:41,189 INFO L895 garLoopResultBuilder]: At program point L333(lines 318 336) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,190 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2022-07-22 17:37:41,190 INFO L899 garLoopResultBuilder]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2022-07-22 17:37:41,190 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,190 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2022-07-22 17:37:41,190 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 178 202) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:41,190 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 178 202) no Hoare annotation was computed. [2022-07-22 17:37:41,191 INFO L895 garLoopResultBuilder]: At program point L582(lines 577 585) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:41,191 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 262 272) the Hoare annotation is: true [2022-07-22 17:37:41,191 INFO L902 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: true [2022-07-22 17:37:41,191 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 262 272) no Hoare annotation was computed. [2022-07-22 17:37:41,191 INFO L899 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2022-07-22 17:37:41,192 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 262 272) no Hoare annotation was computed. [2022-07-22 17:37:41,194 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-22 17:37:41,196 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:41,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:41 BoogieIcfgContainer [2022-07-22 17:37:41,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:41,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:41,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:41,210 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:41,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:39" (3/4) ... [2022-07-22 17:37:41,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:41,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:37:41,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:37:41,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:41,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:41,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:41,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:41,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:41,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:41,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-22 17:37:41,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-22 17:37:41,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:41,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:41,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:41,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:41,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:41,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:41,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:41,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:37:41,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:37:41,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-07-22 17:37:41,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:41,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:41,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:41,270 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:41,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:41,271 INFO L158 Benchmark]: Toolchain (without parser) took 2503.49ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 60.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,274 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:41,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.39ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 75.9MB in the end (delta: -434.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.52ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 73.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,276 INFO L158 Benchmark]: Boogie Preprocessor took 37.10ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,276 INFO L158 Benchmark]: RCFGBuilder took 511.13ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 55.4MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,276 INFO L158 Benchmark]: TraceAbstraction took 1380.37ms. Allocated memory is still 109.1MB. Free memory was 54.9MB in the beginning and 66.0MB in the end (delta: -11.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,277 INFO L158 Benchmark]: Witness Printer took 60.61ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 60.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:37:41,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.39ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 75.9MB in the end (delta: -434.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.52ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 73.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.10ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.13ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 55.4MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1380.37ms. Allocated memory is still 109.1MB. Free memory was 54.9MB in the beginning and 66.0MB in the end (delta: -11.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 60.61ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 60.3MB in the end (delta: 5.7MB). 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, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 688 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 409 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 268 PreInvPairs, 294 NumberOfFragments, 201 HoareAnnotationTreeSize, 268 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 346 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 337]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:41,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE