./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:44:26,472 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:26,474 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:26,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:26,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:26,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:26,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:26,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:26,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:26,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:26,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:26,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:26,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:26,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:26,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:26,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:26,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:26,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:26,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:26,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:26,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:26,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:26,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:26,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:26,527 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:26,528 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:26,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:26,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:26,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:26,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:26,539 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:26,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:26,540 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:26,540 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:26,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:26,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:26,542 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:26,567 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:26,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:26,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:26,569 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:26,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:26,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:26,570 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:26,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:26,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:26,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:26,571 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:26,571 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:26,571 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:26,571 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:26,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:26,571 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:26,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:26,572 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:26,572 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:26,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:26,572 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:26,573 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:26,573 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:26,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:26,573 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:26,573 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:26,573 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:26,574 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:26,574 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:26,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:26,574 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-11-28 18:44:26,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:26,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:26,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:26,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:26,664 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:26,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:26,723 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4059bdbbf/95aab6bbbebc46a791668fcaa3ac270b/FLAGcbec35881 [2018-11-28 18:44:27,304 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:27,304 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:27,327 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4059bdbbf/95aab6bbbebc46a791668fcaa3ac270b/FLAGcbec35881 [2018-11-28 18:44:27,506 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4059bdbbf/95aab6bbbebc46a791668fcaa3ac270b [2018-11-28 18:44:27,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:27,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:27,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:27,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:27,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:27,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:27" (1/1) ... [2018-11-28 18:44:27,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:27, skipping insertion in model container [2018-11-28 18:44:27,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:27" (1/1) ... [2018-11-28 18:44:27,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:27,576 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:27,889 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:27,923 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:28,090 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:28,140 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:28,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28 WrapperNode [2018-11-28 18:44:28,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:28,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:28,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:28,143 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:28,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:28,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:28,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:28,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:28,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... [2018-11-28 18:44:28,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:28,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:28,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:28,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:28,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:44:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:44:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:44:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:44:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:44:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:44:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:44:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:44:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:29,487 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:29,488 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:29,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:29 BoogieIcfgContainer [2018-11-28 18:44:29,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:29,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:29,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:29,494 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:29,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:27" (1/3) ... [2018-11-28 18:44:29,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0e8e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:29, skipping insertion in model container [2018-11-28 18:44:29,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:28" (2/3) ... [2018-11-28 18:44:29,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0e8e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:29, skipping insertion in model container [2018-11-28 18:44:29,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:29" (3/3) ... [2018-11-28 18:44:29,501 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:29,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:29,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:29,540 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:29,576 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:29,577 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:29,577 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:29,577 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:29,578 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:29,578 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:29,578 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:29,578 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:29,580 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-28 18:44:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:29,617 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:29,618 INFO L402 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:29,622 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:29,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:29,629 INFO L82 PathProgramCache]: Analyzing trace with hash 837147030, now seen corresponding path program 1 times [2018-11-28 18:44:29,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:29,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:29,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:29,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:29,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:29,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:29,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:29,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:29,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:29,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:29,961 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-28 18:44:30,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:30,010 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-11-28 18:44:30,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:30,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:30,025 INFO L225 Difference]: With dead ends: 264 [2018-11-28 18:44:30,026 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 18:44:30,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:30,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 18:44:30,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 18:44:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 18:44:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-11-28 18:44:30,105 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-11-28 18:44:30,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:30,107 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-11-28 18:44:30,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-11-28 18:44:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:30,113 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:30,113 INFO L402 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:30,114 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:30,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:30,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1119907156, now seen corresponding path program 1 times [2018-11-28 18:44:30,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:30,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:30,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:30,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:30,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:30,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:30,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:30,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:30,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:30,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:30,328 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-11-28 18:44:30,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:30,366 INFO L93 Difference]: Finished difference Result 203 states and 241 transitions. [2018-11-28 18:44:30,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:30,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:30,370 INFO L225 Difference]: With dead ends: 203 [2018-11-28 18:44:30,370 INFO L226 Difference]: Without dead ends: 125 [2018-11-28 18:44:30,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:30,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-28 18:44:30,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-28 18:44:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-28 18:44:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-28 18:44:30,392 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-11-28 18:44:30,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:30,393 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-28 18:44:30,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-28 18:44:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:44:30,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:30,396 INFO L402 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:30,397 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:30,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:30,397 INFO L82 PathProgramCache]: Analyzing trace with hash -481061761, now seen corresponding path program 1 times [2018-11-28 18:44:30,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:30,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:30,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:30,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:30,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:30,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:30,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:30,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:30,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:30,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:30,670 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-11-28 18:44:32,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:32,292 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2018-11-28 18:44:32,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:32,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:44:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:32,298 INFO L225 Difference]: With dead ends: 370 [2018-11-28 18:44:32,298 INFO L226 Difference]: Without dead ends: 273 [2018-11-28 18:44:32,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-28 18:44:32,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 261. [2018-11-28 18:44:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-28 18:44:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2018-11-28 18:44:32,344 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2018-11-28 18:44:32,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:32,344 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2018-11-28 18:44:32,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2018-11-28 18:44:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 18:44:32,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:32,349 INFO L402 BasicCegarLoop]: 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, 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] [2018-11-28 18:44:32,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:32,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:32,349 INFO L82 PathProgramCache]: Analyzing trace with hash -337198574, now seen corresponding path program 1 times [2018-11-28 18:44:32,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:32,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:32,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:32,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:32,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:32,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:32,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:32,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:32,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:32,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:32,610 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 6 states. [2018-11-28 18:44:33,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:33,022 INFO L93 Difference]: Finished difference Result 709 states and 894 transitions. [2018-11-28 18:44:33,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:33,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 18:44:33,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:33,031 INFO L225 Difference]: With dead ends: 709 [2018-11-28 18:44:33,031 INFO L226 Difference]: Without dead ends: 476 [2018-11-28 18:44:33,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:33,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-28 18:44:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 470. [2018-11-28 18:44:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-11-28 18:44:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2018-11-28 18:44:33,106 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2018-11-28 18:44:33,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:33,107 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2018-11-28 18:44:33,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2018-11-28 18:44:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:44:33,113 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:33,113 INFO L402 BasicCegarLoop]: 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, 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] [2018-11-28 18:44:33,113 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:33,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:33,114 INFO L82 PathProgramCache]: Analyzing trace with hash -50157426, now seen corresponding path program 1 times [2018-11-28 18:44:33,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:33,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:33,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:33,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:33,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:33,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:33,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:33,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:33,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:33,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:33,328 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 7 states. [2018-11-28 18:44:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:33,744 INFO L93 Difference]: Finished difference Result 764 states and 969 transitions. [2018-11-28 18:44:33,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:33,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 18:44:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:33,748 INFO L225 Difference]: With dead ends: 764 [2018-11-28 18:44:33,748 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:33,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:44:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:33,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-28 18:44:33,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:33,755 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:33,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:33,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:33,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:34,231 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:44:34,503 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 8 [2018-11-28 18:44:35,448 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 1 [2018-11-28 18:44:35,698 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-11-28 18:44:36,125 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-11-28 18:44:36,277 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 470 476) the Hoare annotation is: true [2018-11-28 18:44:36,277 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 470 476) no Hoare annotation was computed. [2018-11-28 18:44:36,277 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 477 485) no Hoare annotation was computed. [2018-11-28 18:44:36,277 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 477 485) the Hoare annotation is: true [2018-11-28 18:44:36,278 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 477 485) no Hoare annotation was computed. [2018-11-28 18:44:36,278 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 428 450) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,278 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 428 450) no Hoare annotation was computed. [2018-11-28 18:44:36,278 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,278 INFO L444 ceAbstractionStarter]: At program point L440-1(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,278 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2018-11-28 18:44:36,279 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 438 445) no Hoare annotation was computed. [2018-11-28 18:44:36,279 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 18:44:36,279 INFO L444 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,279 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,279 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,279 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 428 450) no Hoare annotation was computed. [2018-11-28 18:44:36,279 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:36,280 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2018-11-28 18:44:36,280 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:36,280 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:36,280 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 168 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:36,280 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 184) no Hoare annotation was computed. [2018-11-28 18:44:36,280 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:36,280 INFO L448 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2018-11-28 18:44:36,281 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 189) no Hoare annotation was computed. [2018-11-28 18:44:36,281 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 168 192) no Hoare annotation was computed. [2018-11-28 18:44:36,281 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 327 341) no Hoare annotation was computed. [2018-11-28 18:44:36,281 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:36,281 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-11-28 18:44:36,281 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 327 341) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:44:36,281 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 327 341) no Hoare annotation was computed. [2018-11-28 18:44:36,281 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 263 271) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 263 271) the Hoare annotation is: true [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 263 271) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L451 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: true [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point L315-1(line 315) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 308 326) the Hoare annotation is: true [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 308 326) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 308 326) no Hoare annotation was computed. [2018-11-28 18:44:36,282 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 463 469) no Hoare annotation was computed. [2018-11-28 18:44:36,283 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 463 469) the Hoare annotation is: true [2018-11-28 18:44:36,283 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 414 424) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,283 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 414 424) no Hoare annotation was computed. [2018-11-28 18:44:36,283 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 414 424) no Hoare annotation was computed. [2018-11-28 18:44:36,283 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,283 INFO L451 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2018-11-28 18:44:36,283 INFO L448 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2018-11-28 18:44:36,283 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 252 262) the Hoare annotation is: true [2018-11-28 18:44:36,283 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 252 262) no Hoare annotation was computed. [2018-11-28 18:44:36,284 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 252 262) no Hoare annotation was computed. [2018-11-28 18:44:36,284 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 244 251) the Hoare annotation is: true [2018-11-28 18:44:36,284 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2018-11-28 18:44:36,284 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2018-11-28 18:44:36,284 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 194 218) no Hoare annotation was computed. [2018-11-28 18:44:36,284 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:36,284 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-11-28 18:44:36,284 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 194 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:36,284 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:36,285 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:36,285 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-11-28 18:44:36,285 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:36,285 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-28 18:44:36,285 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-11-28 18:44:36,285 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2018-11-28 18:44:36,285 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2018-11-28 18:44:36,285 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,286 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,286 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-11-28 18:44:36,286 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,286 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-11-28 18:44:36,286 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-11-28 18:44:36,286 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-11-28 18:44:36,286 INFO L444 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,286 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,287 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:44:36,287 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:44:36,287 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-11-28 18:44:36,287 INFO L444 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,287 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,287 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-28 18:44:36,287 INFO L444 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:36,287 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-11-28 18:44:36,288 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-11-28 18:44:36,288 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 567 575) no Hoare annotation was computed. [2018-11-28 18:44:36,288 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 567 575) the Hoare annotation is: true [2018-11-28 18:44:36,288 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 567 575) no Hoare annotation was computed. [2018-11-28 18:44:36,288 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:44:36,288 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 605) no Hoare annotation was computed. [2018-11-28 18:44:36,288 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 608) no Hoare annotation was computed. [2018-11-28 18:44:36,288 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:36,288 INFO L448 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 586 614) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 586 614) the Hoare annotation is: true [2018-11-28 18:44:36,289 INFO L451 ceAbstractionStarter]: At program point L592(line 592) the Hoare annotation is: true [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point L592-1(line 592) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 586 614) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 578 585) the Hoare annotation is: true [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 578 585) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 578 585) no Hoare annotation was computed. [2018-11-28 18:44:36,289 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:44:36,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 514 525) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:44:36,290 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 514 525) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 526 534) the Hoare annotation is: true [2018-11-28 18:44:36,290 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 526 534) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 526 534) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 352 381) no Hoare annotation was computed. [2018-11-28 18:44:36,290 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 352 381) the Hoare annotation is: true [2018-11-28 18:44:36,291 INFO L451 ceAbstractionStarter]: At program point L377(lines 352 381) the Hoare annotation is: true [2018-11-28 18:44:36,291 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-28 18:44:36,291 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2018-11-28 18:44:36,291 INFO L451 ceAbstractionStarter]: At program point L366-1(lines 366 370) the Hoare annotation is: true [2018-11-28 18:44:36,291 INFO L448 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2018-11-28 18:44:36,291 INFO L451 ceAbstractionStarter]: At program point L362-2(lines 362 376) the Hoare annotation is: true [2018-11-28 18:44:36,291 INFO L451 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-11-28 18:44:36,291 INFO L448 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-28 18:44:36,292 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:44:36,292 INFO L444 ceAbstractionStarter]: At program point L147(lines 147 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:36,292 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:36,292 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:36,292 INFO L448 ceAbstractionStarter]: For program point L140(lines 139 158) no Hoare annotation was computed. [2018-11-28 18:44:36,292 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2018-11-28 18:44:36,292 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2018-11-28 18:44:36,293 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 490 501) the Hoare annotation is: true [2018-11-28 18:44:36,293 INFO L448 ceAbstractionStarter]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2018-11-28 18:44:36,293 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 490 501) no Hoare annotation was computed. [2018-11-28 18:44:36,293 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 406 412) no Hoare annotation was computed. [2018-11-28 18:44:36,293 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 406 412) the Hoare annotation is: true [2018-11-28 18:44:36,293 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:36,293 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:44:36,293 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:36,293 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 342 349) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 342 349) the Hoare annotation is: true [2018-11-28 18:44:36,294 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 342 349) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 502 513) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 502 513) the Hoare annotation is: true [2018-11-28 18:44:36,294 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:44:36,294 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:44:36,295 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:44:36,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:36 BoogieIcfgContainer [2018-11-28 18:44:36,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:36,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:36,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:36,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:36,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:29" (3/4) ... [2018-11-28 18:44:36,326 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:36,333 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:36,333 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:36,333 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:36,333 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:36,333 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:36,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:36,335 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:36,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:44:36,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:36,336 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:36,345 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:44:36,346 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:44:36,346 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:44:36,347 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:36,347 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:36,348 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:36,380 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:36,380 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:36,450 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:36,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:36,451 INFO L168 Benchmark]: Toolchain (without parser) took 8940.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -82.9 MB). Peak memory consumption was 132.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:36,452 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:36,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.43 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 919.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:36,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -212.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:36,453 INFO L168 Benchmark]: Boogie Preprocessor took 41.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:36,453 INFO L168 Benchmark]: RCFGBuilder took 1181.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:36,454 INFO L168 Benchmark]: TraceAbstraction took 6827.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:36,454 INFO L168 Benchmark]: Witness Printer took 132.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:36,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 629.43 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 919.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -212.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1181.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6827.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. * Witness Printer took 132.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 442 SDslu, 1419 SDs, 0 SdLazy, 491 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 592 PreInvPairs, 639 NumberOfFragments, 572 HoareAnnotationTreeSize, 592 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...