./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product54_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_spec4_product54_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 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:46:54,641 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:54,643 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:54,655 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:54,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:54,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:54,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:54,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:54,662 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:54,663 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:54,664 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:54,664 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:54,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:54,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:54,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:54,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:54,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:54,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:54,674 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:54,675 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:54,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:54,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:54,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:54,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:54,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:54,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:54,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:54,688 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:54,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:54,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:54,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:54,691 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:54,693 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:54,693 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:54,694 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:54,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:54,696 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:54,724 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:54,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:54,725 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:54,725 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:54,729 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:54,729 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:54,729 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:54,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:54,729 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:54,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:54,730 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:54,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:54,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:54,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:54,730 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:54,732 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:54,732 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:54,732 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:54,732 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:54,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:54,732 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:54,733 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:54,733 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:54,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:54,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:54,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:54,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:54,735 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:54,735 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:54,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:54,735 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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2018-11-28 18:46:54,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:54,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:54,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:54,816 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:54,816 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:54,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:54,873 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd394cebc/4da420ee0ab94882bf5090a146725bfa/FLAG401d69f4e [2018-11-28 18:46:55,371 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:55,372 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:55,385 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd394cebc/4da420ee0ab94882bf5090a146725bfa/FLAG401d69f4e [2018-11-28 18:46:55,657 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd394cebc/4da420ee0ab94882bf5090a146725bfa [2018-11-28 18:46:55,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:55,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:55,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:55,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:55,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:55,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:55" (1/1) ... [2018-11-28 18:46:55,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f06a197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:55, skipping insertion in model container [2018-11-28 18:46:55,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:55" (1/1) ... [2018-11-28 18:46:55,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:55,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:56,145 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:56,176 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:56,322 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:56,447 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:56,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56 WrapperNode [2018-11-28 18:46:56,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:56,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:56,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:56,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:56,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:56,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:56,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:56,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:56,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (1/1) ... [2018-11-28 18:46:56,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:56,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:56,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:56,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:56,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (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 18:46:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:46:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:46:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:46:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:46:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:46:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:46:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:46:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:46:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:46:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:46:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:46:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:46:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:46:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:46:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:46:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:46:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:46:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:46:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:57,803 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:57,803 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:57,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:57 BoogieIcfgContainer [2018-11-28 18:46:57,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:57,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:57,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:57,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:57,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:55" (1/3) ... [2018-11-28 18:46:57,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2db3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:57, skipping insertion in model container [2018-11-28 18:46:57,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:56" (2/3) ... [2018-11-28 18:46:57,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2db3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:57, skipping insertion in model container [2018-11-28 18:46:57,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:57" (3/3) ... [2018-11-28 18:46:57,819 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:57,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:57,844 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:57,862 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:57,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:57,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:57,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:57,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:57,896 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:57,896 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:57,896 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:57,896 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:57,896 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-28 18:46:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:57,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:57,936 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] [2018-11-28 18:46:57,938 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:57,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:57,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1486633802, now seen corresponding path program 1 times [2018-11-28 18:46:57,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:57,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:57,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:57,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:57,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:58,304 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 18:46:58,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:58,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:58,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:58,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:58,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:58,333 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-28 18:46:58,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:58,396 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2018-11-28 18:46:58,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:58,398 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:58,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:58,413 INFO L225 Difference]: With dead ends: 300 [2018-11-28 18:46:58,414 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 18:46:58,420 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 18:46:58,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 18:46:58,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 18:46:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 18:46:58,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-11-28 18:46:58,491 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2018-11-28 18:46:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:58,492 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-11-28 18:46:58,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-11-28 18:46:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:58,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:58,497 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] [2018-11-28 18:46:58,497 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:58,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:58,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1530271189, now seen corresponding path program 1 times [2018-11-28 18:46:58,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:58,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:58,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:58,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:58,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:58,696 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 18:46:58,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:58,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:58,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:58,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:58,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:58,700 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-11-28 18:46:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:58,771 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2018-11-28 18:46:58,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:58,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:58,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:58,775 INFO L225 Difference]: With dead ends: 245 [2018-11-28 18:46:58,776 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:46:58,780 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 18:46:58,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:46:58,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:46:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:46:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2018-11-28 18:46:58,816 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2018-11-28 18:46:58,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:58,816 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2018-11-28 18:46:58,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-11-28 18:46:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:46:58,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:58,821 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 18:46:58,821 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:58,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:58,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1827401059, now seen corresponding path program 1 times [2018-11-28 18:46:58,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:58,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:58,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:58,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:58,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:59,116 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 18:46:59,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:59,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:59,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:59,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:59,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:59,118 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2018-11-28 18:47:00,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:00,178 INFO L93 Difference]: Finished difference Result 258 states and 305 transitions. [2018-11-28 18:47:00,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:47:00,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:47:00,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:00,184 INFO L225 Difference]: With dead ends: 258 [2018-11-28 18:47:00,187 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:47:00,189 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 18:47:00,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:47:00,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:47:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:47:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-28 18:47:00,216 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 52 [2018-11-28 18:47:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:00,216 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-28 18:47:00,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:47:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-28 18:47:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:47:00,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:00,220 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, 1, 1, 1, 1] [2018-11-28 18:47:00,227 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:00,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:00,228 INFO L82 PathProgramCache]: Analyzing trace with hash -892679531, now seen corresponding path program 1 times [2018-11-28 18:47:00,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:00,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:00,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:00,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:00,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:00,452 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 18:47:00,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:00,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:47:00,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:47:00,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:47:00,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:47:00,454 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 5 states. [2018-11-28 18:47:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:01,415 INFO L93 Difference]: Finished difference Result 365 states and 439 transitions. [2018-11-28 18:47:01,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:47:01,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 18:47:01,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:01,420 INFO L225 Difference]: With dead ends: 365 [2018-11-28 18:47:01,420 INFO L226 Difference]: Without dead ends: 248 [2018-11-28 18:47:01,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:47:01,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-11-28 18:47:01,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 229. [2018-11-28 18:47:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-28 18:47:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 258 transitions. [2018-11-28 18:47:01,454 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 258 transitions. Word has length 70 [2018-11-28 18:47:01,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:01,454 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 258 transitions. [2018-11-28 18:47:01,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:47:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 258 transitions. [2018-11-28 18:47:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:47:01,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:01,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:01,459 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:01,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:01,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1850632469, now seen corresponding path program 1 times [2018-11-28 18:47:01,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:01,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:01,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:01,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:01,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:01,707 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 18:47:01,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:01,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:47:01,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:47:01,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:47:01,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:01,709 INFO L87 Difference]: Start difference. First operand 229 states and 258 transitions. Second operand 10 states. [2018-11-28 18:47:02,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:02,565 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2018-11-28 18:47:02,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:47:02,567 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-28 18:47:02,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:02,573 INFO L225 Difference]: With dead ends: 735 [2018-11-28 18:47:02,574 INFO L226 Difference]: Without dead ends: 530 [2018-11-28 18:47:02,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:02,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-11-28 18:47:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 520. [2018-11-28 18:47:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-11-28 18:47:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 606 transitions. [2018-11-28 18:47:02,646 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 606 transitions. Word has length 84 [2018-11-28 18:47:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:02,646 INFO L480 AbstractCegarLoop]: Abstraction has 520 states and 606 transitions. [2018-11-28 18:47:02,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:47:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 606 transitions. [2018-11-28 18:47:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-28 18:47:02,652 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:02,653 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:02,653 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:02,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:02,654 INFO L82 PathProgramCache]: Analyzing trace with hash -567611887, now seen corresponding path program 1 times [2018-11-28 18:47:02,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:02,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:47:02,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:02,990 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:03,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:03,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:47:03,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:03,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 18:47:03,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:47:03,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:47:03,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:47:03,352 INFO L87 Difference]: Start difference. First operand 520 states and 606 transitions. Second operand 6 states. [2018-11-28 18:47:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:03,558 INFO L93 Difference]: Finished difference Result 1031 states and 1227 transitions. [2018-11-28 18:47:03,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:47:03,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-11-28 18:47:03,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:03,567 INFO L225 Difference]: With dead ends: 1031 [2018-11-28 18:47:03,570 INFO L226 Difference]: Without dead ends: 535 [2018-11-28 18:47:03,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:47:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-11-28 18:47:03,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2018-11-28 18:47:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-11-28 18:47:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 622 transitions. [2018-11-28 18:47:03,646 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 622 transitions. Word has length 133 [2018-11-28 18:47:03,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:03,648 INFO L480 AbstractCegarLoop]: Abstraction has 535 states and 622 transitions. [2018-11-28 18:47:03,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:47:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 622 transitions. [2018-11-28 18:47:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 18:47:03,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:03,657 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:03,657 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:03,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:03,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1999837425, now seen corresponding path program 1 times [2018-11-28 18:47:03,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:03,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:03,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:03,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:03,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:47:03,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:03,972 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:03,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:04,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:04,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:04,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2018-11-28 18:47:04,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:04,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:04,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:04,558 INFO L87 Difference]: Start difference. First operand 535 states and 622 transitions. Second operand 14 states. [2018-11-28 18:47:05,075 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 18:47:10,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:10,458 INFO L93 Difference]: Finished difference Result 1366 states and 1783 transitions. [2018-11-28 18:47:10,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-28 18:47:10,460 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 141 [2018-11-28 18:47:10,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:10,468 INFO L225 Difference]: With dead ends: 1366 [2018-11-28 18:47:10,468 INFO L226 Difference]: Without dead ends: 855 [2018-11-28 18:47:10,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-11-28 18:47:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2018-11-28 18:47:10,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 773. [2018-11-28 18:47:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2018-11-28 18:47:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 923 transitions. [2018-11-28 18:47:10,532 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 923 transitions. Word has length 141 [2018-11-28 18:47:10,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:10,532 INFO L480 AbstractCegarLoop]: Abstraction has 773 states and 923 transitions. [2018-11-28 18:47:10,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 923 transitions. [2018-11-28 18:47:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-28 18:47:10,536 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:10,536 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:10,536 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:10,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:10,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2124895532, now seen corresponding path program 1 times [2018-11-28 18:47:10,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:10,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:10,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:10,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:10,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:10,750 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 18:47:10,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:10,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:47:10,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:47:10,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:47:10,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:47:10,752 INFO L87 Difference]: Start difference. First operand 773 states and 923 transitions. Second operand 9 states. [2018-11-28 18:47:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:11,916 INFO L93 Difference]: Finished difference Result 2078 states and 2539 transitions. [2018-11-28 18:47:11,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:47:11,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2018-11-28 18:47:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:11,928 INFO L225 Difference]: With dead ends: 2078 [2018-11-28 18:47:11,928 INFO L226 Difference]: Without dead ends: 1329 [2018-11-28 18:47:11,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2018-11-28 18:47:12,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1326. [2018-11-28 18:47:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2018-11-28 18:47:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1568 transitions. [2018-11-28 18:47:12,050 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1568 transitions. Word has length 137 [2018-11-28 18:47:12,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:12,053 INFO L480 AbstractCegarLoop]: Abstraction has 1326 states and 1568 transitions. [2018-11-28 18:47:12,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:47:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1568 transitions. [2018-11-28 18:47:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 18:47:12,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:12,058 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:12,058 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:12,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash 497577496, now seen corresponding path program 1 times [2018-11-28 18:47:12,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:12,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:12,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:12,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:12,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 18:47:12,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:12,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:47:12,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:47:12,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:47:12,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:47:12,296 INFO L87 Difference]: Start difference. First operand 1326 states and 1568 transitions. Second operand 6 states. [2018-11-28 18:47:12,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:12,544 INFO L93 Difference]: Finished difference Result 1351 states and 1597 transitions. [2018-11-28 18:47:12,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:47:12,549 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-28 18:47:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:12,558 INFO L225 Difference]: With dead ends: 1351 [2018-11-28 18:47:12,560 INFO L226 Difference]: Without dead ends: 1348 [2018-11-28 18:47:12,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 18:47:12,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2018-11-28 18:47:12,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1326. [2018-11-28 18:47:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2018-11-28 18:47:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1560 transitions. [2018-11-28 18:47:12,652 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1560 transitions. Word has length 141 [2018-11-28 18:47:12,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:12,654 INFO L480 AbstractCegarLoop]: Abstraction has 1326 states and 1560 transitions. [2018-11-28 18:47:12,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:47:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1560 transitions. [2018-11-28 18:47:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-28 18:47:12,658 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:12,658 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:12,658 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:12,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:12,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1399067579, now seen corresponding path program 1 times [2018-11-28 18:47:12,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:12,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:12,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:12,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:12,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:47:12,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:12,887 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:12,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:13,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:13,188 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:13,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 18:47:13,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:13,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:13,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:13,190 INFO L87 Difference]: Start difference. First operand 1326 states and 1560 transitions. Second operand 14 states. [2018-11-28 18:47:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:20,745 INFO L93 Difference]: Finished difference Result 2921 states and 3639 transitions. [2018-11-28 18:47:20,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 18:47:20,746 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2018-11-28 18:47:20,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:20,759 INFO L225 Difference]: With dead ends: 2921 [2018-11-28 18:47:20,759 INFO L226 Difference]: Without dead ends: 1755 [2018-11-28 18:47:20,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 18:47:20,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-11-28 18:47:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1480. [2018-11-28 18:47:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2018-11-28 18:47:20,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 1715 transitions. [2018-11-28 18:47:20,873 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 1715 transitions. Word has length 159 [2018-11-28 18:47:20,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:20,874 INFO L480 AbstractCegarLoop]: Abstraction has 1480 states and 1715 transitions. [2018-11-28 18:47:20,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1715 transitions. [2018-11-28 18:47:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-28 18:47:20,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:20,881 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:20,881 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:20,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:20,881 INFO L82 PathProgramCache]: Analyzing trace with hash -48945056, now seen corresponding path program 1 times [2018-11-28 18:47:20,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:20,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:20,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:20,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:20,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-28 18:47:21,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:21,665 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:21,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:21,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-28 18:47:22,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:22,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:47:22,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:47:22,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:47:22,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:47:22,065 INFO L87 Difference]: Start difference. First operand 1480 states and 1715 transitions. Second operand 13 states. [2018-11-28 18:47:22,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:22,154 INFO L93 Difference]: Finished difference Result 2016 states and 2339 transitions. [2018-11-28 18:47:22,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:47:22,159 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2018-11-28 18:47:22,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:22,161 INFO L225 Difference]: With dead ends: 2016 [2018-11-28 18:47:22,162 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:47:22,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:47:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:47:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:47:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:47:22,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-11-28 18:47:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:22,170 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:47:22,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:47:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:47:22,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:47:22,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:47:22,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:22,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:23,732 WARN L180 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 11 [2018-11-28 18:47:23,871 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 1 [2018-11-28 18:47:24,093 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 17 [2018-11-28 18:47:24,364 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2018-11-28 18:47:24,504 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2018-11-28 18:47:24,891 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 17 [2018-11-28 18:47:25,049 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-11-28 18:47:25,411 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 20 [2018-11-28 18:47:25,679 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2018-11-28 18:47:27,459 WARN L180 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2018-11-28 18:47:28,220 WARN L180 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 14 [2018-11-28 18:47:28,491 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2018-11-28 18:47:28,742 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 17 [2018-11-28 18:47:29,149 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-11-28 18:47:29,300 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 22 [2018-11-28 18:47:29,730 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 1 [2018-11-28 18:47:29,963 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 15 [2018-11-28 18:47:30,510 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2018-11-28 18:47:30,703 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2018-11-28 18:47:31,006 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 976 982) the Hoare annotation is: true [2018-11-28 18:47:31,006 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 976 982) no Hoare annotation was computed. [2018-11-28 18:47:31,006 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 983 991) no Hoare annotation was computed. [2018-11-28 18:47:31,006 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 983 991) the Hoare annotation is: true [2018-11-28 18:47:31,006 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 983 991) no Hoare annotation was computed. [2018-11-28 18:47:31,006 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 355 379) the Hoare annotation is: true [2018-11-28 18:47:31,007 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 355 379) no Hoare annotation was computed. [2018-11-28 18:47:31,007 INFO L444 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 18:47:31,007 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2018-11-28 18:47:31,007 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 18:47:31,007 INFO L448 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-11-28 18:47:31,007 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2018-11-28 18:47:31,007 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 355 379) no Hoare annotation was computed. [2018-11-28 18:47:31,007 INFO L451 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2018-11-28 18:47:31,008 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-28 18:47:31,008 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 456 478) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,008 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 456 478) no Hoare annotation was computed. [2018-11-28 18:47:31,008 INFO L444 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,008 INFO L444 ceAbstractionStarter]: At program point L468-1(line 468) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,008 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2018-11-28 18:47:31,008 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 466 473) no Hoare annotation was computed. [2018-11-28 18:47:31,008 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 18:47:31,008 INFO L444 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,009 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,009 INFO L444 ceAbstractionStarter]: At program point L462-1(line 462) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,009 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 456 478) no Hoare annotation was computed. [2018-11-28 18:47:31,009 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2018-11-28 18:47:31,009 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2018-11-28 18:47:31,009 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2018-11-28 18:47:31,009 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2018-11-28 18:47:31,009 INFO L451 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2018-11-28 18:47:31,009 INFO L448 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L448 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2018-11-28 18:47:31,010 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 969 975) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 969 975) the Hoare annotation is: true [2018-11-28 18:47:31,010 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 443 452) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,010 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 443 452) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 443 452) no Hoare annotation was computed. [2018-11-28 18:47:31,010 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2018-11-28 18:47:31,010 INFO L451 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 925 938) no Hoare annotation was computed. [2018-11-28 18:47:31,011 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 925 938) the Hoare annotation is: true [2018-11-28 18:47:31,011 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 925 938) no Hoare annotation was computed. [2018-11-28 18:47:31,012 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:31,012 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-28 18:47:31,012 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2018-11-28 18:47:31,012 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 18:47:31,012 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2018-11-28 18:47:31,012 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-28 18:47:31,012 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2018-11-28 18:47:31,012 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:31,012 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 18:47:31,012 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2018-11-28 18:47:31,013 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2018-11-28 18:47:31,013 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2018-11-28 18:47:31,013 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,013 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-11-28 18:47:31,013 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:47:31,013 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-28 18:47:31,013 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:47:31,013 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:47:31,014 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:47:31,014 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:47:31,014 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-28 18:47:31,014 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 939 947) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 939 947) the Hoare annotation is: true [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 939 947) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2018-11-28 18:47:31,015 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:31,016 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-28 18:47:31,016 INFO L451 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2018-11-28 18:47:31,016 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2018-11-28 18:47:31,016 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2018-11-28 18:47:31,017 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (< ~waterLevel~0 2) .cse7)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (not .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse5 .cse0 .cse6 .cse7)))) [2018-11-28 18:47:31,017 INFO L448 ceAbstractionStarter]: For program point L876-1(lines 872 883) no Hoare annotation was computed. [2018-11-28 18:47:31,017 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2018-11-28 18:47:31,017 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 884 892) the Hoare annotation is: true [2018-11-28 18:47:31,017 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-28 18:47:31,017 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-28 18:47:31,017 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 382 411) no Hoare annotation was computed. [2018-11-28 18:47:31,017 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 382 411) the Hoare annotation is: true [2018-11-28 18:47:31,017 INFO L451 ceAbstractionStarter]: At program point L407(lines 382 411) the Hoare annotation is: true [2018-11-28 18:47:31,017 INFO L448 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2018-11-28 18:47:31,018 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2018-11-28 18:47:31,018 INFO L451 ceAbstractionStarter]: At program point L396-1(lines 396 400) the Hoare annotation is: true [2018-11-28 18:47:31,018 INFO L448 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2018-11-28 18:47:31,018 INFO L451 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: true [2018-11-28 18:47:31,018 INFO L451 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2018-11-28 18:47:31,018 INFO L448 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-28 18:47:31,018 INFO L448 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2018-11-28 18:47:31,018 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-28 18:47:31,018 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2018-11-28 18:47:31,019 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-28 18:47:31,019 INFO L444 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0) (or (and (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (= ~waterLevel~0 |old(~waterLevel~0)|) (or (< |old(~waterLevel~0)| 2) .cse0)))) [2018-11-28 18:47:31,019 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2018-11-28 18:47:31,019 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 18:47:31,019 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-28 18:47:31,019 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2018-11-28 18:47:31,019 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2018-11-28 18:47:31,019 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 436 442) no Hoare annotation was computed. [2018-11-28 18:47:31,019 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 436 442) the Hoare annotation is: true [2018-11-28 18:47:31,020 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:31,020 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 18:47:31,020 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:47:31,020 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:31,020 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2018-11-28 18:47:31,020 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:31,020 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2018-11-28 18:47:31,020 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:31,020 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2018-11-28 18:47:31,020 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:31,021 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1) (or (or .cse0 .cse1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:47:31,021 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2018-11-28 18:47:31,021 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:31,021 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-28 18:47:31,021 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2018-11-28 18:47:31,021 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1)) (or .cse0 (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse1))) [2018-11-28 18:47:31,021 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2018-11-28 18:47:31,021 INFO L448 ceAbstractionStarter]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2018-11-28 18:47:31,021 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2018-11-28 18:47:31,022 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2018-11-28 18:47:31,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2018-11-28 18:47:31,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2018-11-28 18:47:31,022 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2018-11-28 18:47:31,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2018-11-28 18:47:31,022 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:47:31,022 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2018-11-28 18:47:31,022 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2018-11-28 18:47:31,022 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:47:31,023 INFO L448 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2018-11-28 18:47:31,023 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2018-11-28 18:47:31,023 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:47:31,023 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:47:31,023 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2018-11-28 18:47:31,023 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:31,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:47:31 BoogieIcfgContainer [2018-11-28 18:47:31,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:47:31,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:47:31,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:47:31,039 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:47:31,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:57" (3/4) ... [2018-11-28 18:47:31,043 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:47:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:47:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:47:31,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:47:31,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:47:31,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:47:31,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:47:31,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:47:31,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:31,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:47:31,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:47:31,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:47:31,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:47:31,082 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:47:31,085 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:47:31,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:47:31,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:47:31,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:47:31,088 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:47:31,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:47:31,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:47:31,197 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:47:31,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:47:31,198 INFO L168 Benchmark]: Toolchain (without parser) took 35536.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 443.0 MB). Free memory was 952.7 MB in the beginning and 1.4 GB in the end (delta: -422.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:31,198 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:47:31,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:31,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.03 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:31,202 INFO L168 Benchmark]: Boogie Preprocessor took 42.21 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 18:47:31,203 INFO L168 Benchmark]: RCFGBuilder took 1275.03 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:31,203 INFO L168 Benchmark]: TraceAbstraction took 33230.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 304.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -316.1 MB). Peak memory consumption was 503.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:31,203 INFO L168 Benchmark]: Witness Printer took 158.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:31,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 785.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.03 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.21 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 1275.03 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33230.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 304.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -316.1 MB). Peak memory consumption was 503.8 MB. Max. memory is 11.5 GB. * Witness Printer took 158.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 33.1s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 18.3s AutomataDifference, 0.0s DeadEndRemovalTime, 8.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2154 SDtfs, 2155 SDslu, 7258 SDs, 0 SdLazy, 6813 SolverSat, 983 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 703 SyntacticMatches, 3 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1480occurred in iteration=10, 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: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 411 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2491 PreInvPairs, 2589 NumberOfFragments, 1334 HoareAnnotationTreeSize, 2491 FomulaSimplifications, 7345 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 68 FomulaSimplificationsInter, 12925 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1901 NumberOfCodeBlocks, 1901 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1886 ConstructedInterpolants, 0 QuantifiedInterpolants, 403959 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3611 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 462/496 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...