./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf50661cace84e24af5f399094bd98fed0ff7444 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:24:07,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:24:07,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:24:07,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:24:07,559 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:24:07,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:24:07,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:24:07,562 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:24:07,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:24:07,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:24:07,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:24:07,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:24:07,566 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:24:07,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:24:07,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:24:07,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:24:07,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:24:07,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:24:07,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:24:07,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:24:07,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:24:07,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:24:07,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:24:07,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:24:07,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:24:07,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:24:07,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:24:07,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:24:07,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:24:07,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:24:07,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:24:07,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:24:07,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:24:07,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:24:07,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:24:07,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:24:07,584 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:24:07,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:24:07,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:24:07,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:24:07,596 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:24:07,596 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:24:07,596 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:24:07,596 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:24:07,596 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:24:07,596 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:24:07,597 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:24:07,597 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:24:07,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:24:07,597 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:24:07,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:24:07,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:24:07,599 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:24:07,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:24:07,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:24:07,599 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:24:07,601 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:24:07,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:24:07,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:24:07,602 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan 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 -> Taipan 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 -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-10-27 00:24:07,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:24:07,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:24:07,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:24:07,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:24:07,641 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:24:07,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-10-27 00:24:07,689 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/data/46f47d722/82f5b14abf0c463298e3c456ec0277a0/FLAG435b998a3 [2018-10-27 00:24:08,089 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:24:08,090 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-10-27 00:24:08,100 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/data/46f47d722/82f5b14abf0c463298e3c456ec0277a0/FLAG435b998a3 [2018-10-27 00:24:08,111 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/data/46f47d722/82f5b14abf0c463298e3c456ec0277a0 [2018-10-27 00:24:08,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:24:08,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:24:08,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:24:08,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:24:08,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:24:08,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414b7b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08, skipping insertion in model container [2018-10-27 00:24:08,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:24:08,168 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:24:08,387 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:24:08,395 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:24:08,489 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:24:08,517 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:24:08,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08 WrapperNode [2018-10-27 00:24:08,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:24:08,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:24:08,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:24:08,518 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:24:08,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:24:08,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:24:08,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:24:08,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:24:08,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... [2018-10-27 00:24:08,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:24:08,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:24:08,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:24:08,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:24:08,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/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 [2018-10-27 00:24:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-27 00:24:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-27 00:24:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:24:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:24:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-27 00:24:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-27 00:24:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-27 00:24:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-27 00:24:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-27 00:24:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-27 00:24:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-27 00:24:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-27 00:24:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 00:24:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 00:24:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-27 00:24:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-27 00:24:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-10-27 00:24:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-10-27 00:24:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-27 00:24:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-27 00:24:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-27 00:24:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-27 00:24:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-27 00:24:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-27 00:24:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:24:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:24:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:24:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:24:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:24:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:24:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-27 00:24:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-27 00:24:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-27 00:24:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-27 00:24:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:24:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:24:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-27 00:24:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-27 00:24:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-27 00:24:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-27 00:24:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:24:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:24:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-27 00:24:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-27 00:24:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-27 00:24:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-27 00:24:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-27 00:24:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-27 00:24:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 00:24:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 00:24:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:24:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:24:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:24:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:24:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:24:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:24:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-27 00:24:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-27 00:24:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:24:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:24:09,764 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:24:09,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:24:09 BoogieIcfgContainer [2018-10-27 00:24:09,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:24:09,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:24:09,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:24:09,769 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:24:09,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:24:08" (1/3) ... [2018-10-27 00:24:09,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4ae505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:24:09, skipping insertion in model container [2018-10-27 00:24:09,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:24:08" (2/3) ... [2018-10-27 00:24:09,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4ae505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:24:09, skipping insertion in model container [2018-10-27 00:24:09,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:24:09" (3/3) ... [2018-10-27 00:24:09,773 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-10-27 00:24:09,781 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:24:09,790 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:24:09,804 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:24:09,837 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:24:09,838 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:24:09,838 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:24:09,838 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:24:09,838 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:24:09,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:24:09,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:24:09,840 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:24:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-10-27 00:24:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:24:09,877 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:09,878 INFO L375 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] [2018-10-27 00:24:09,881 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:09,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:09,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1855386767, now seen corresponding path program 1 times [2018-10-27 00:24:09,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:09,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:09,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:09,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:09,940 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:10,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:10,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:24:10,137 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:10,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:24:10,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:24:10,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:24:10,155 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-10-27 00:24:10,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:10,194 INFO L93 Difference]: Finished difference Result 304 states and 379 transitions. [2018-10-27 00:24:10,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:24:10,195 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-27 00:24:10,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:10,206 INFO L225 Difference]: With dead ends: 304 [2018-10-27 00:24:10,206 INFO L226 Difference]: Without dead ends: 152 [2018-10-27 00:24:10,210 INFO L605 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 [2018-10-27 00:24:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-10-27 00:24:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-10-27 00:24:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-10-27 00:24:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-10-27 00:24:10,258 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 46 [2018-10-27 00:24:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:10,259 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-10-27 00:24:10,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:24:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-10-27 00:24:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 00:24:10,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:10,262 INFO L375 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] [2018-10-27 00:24:10,262 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:10,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:10,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1980236215, now seen corresponding path program 1 times [2018-10-27 00:24:10,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:10,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:10,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:10,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:10,265 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:10,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:10,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:24:10,419 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:10,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:24:10,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:24:10,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:24:10,422 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 3 states. [2018-10-27 00:24:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:10,463 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2018-10-27 00:24:10,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:24:10,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-27 00:24:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:10,466 INFO L225 Difference]: With dead ends: 251 [2018-10-27 00:24:10,466 INFO L226 Difference]: Without dead ends: 142 [2018-10-27 00:24:10,468 INFO L605 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 [2018-10-27 00:24:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-10-27 00:24:10,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-10-27 00:24:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-27 00:24:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 168 transitions. [2018-10-27 00:24:10,484 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 168 transitions. Word has length 48 [2018-10-27 00:24:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:10,484 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 168 transitions. [2018-10-27 00:24:10,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:24:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2018-10-27 00:24:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:24:10,486 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:10,486 INFO L375 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] [2018-10-27 00:24:10,486 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:10,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:10,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1615408620, now seen corresponding path program 1 times [2018-10-27 00:24:10,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:10,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:10,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:10,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:10,490 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:10,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:10,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:24:10,640 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:10,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:24:10,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:24:10,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:24:10,641 INFO L87 Difference]: Start difference. First operand 142 states and 168 transitions. Second operand 7 states. [2018-10-27 00:24:11,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:11,408 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2018-10-27 00:24:11,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:24:11,409 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-27 00:24:11,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:11,410 INFO L225 Difference]: With dead ends: 260 [2018-10-27 00:24:11,410 INFO L226 Difference]: Without dead ends: 142 [2018-10-27 00:24:11,412 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:24:11,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-10-27 00:24:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-10-27 00:24:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-27 00:24:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2018-10-27 00:24:11,426 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 52 [2018-10-27 00:24:11,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:11,426 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2018-10-27 00:24:11,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:24:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2018-10-27 00:24:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 00:24:11,431 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:11,431 INFO L375 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] [2018-10-27 00:24:11,432 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:11,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:11,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1982042475, now seen corresponding path program 1 times [2018-10-27 00:24:11,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:11,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:11,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:11,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:11,433 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:11,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:11,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:24:11,562 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:11,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:24:11,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:24:11,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:24:11,563 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2018-10-27 00:24:12,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:12,710 INFO L93 Difference]: Finished difference Result 371 states and 450 transitions. [2018-10-27 00:24:12,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:24:12,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-10-27 00:24:12,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:12,714 INFO L225 Difference]: With dead ends: 371 [2018-10-27 00:24:12,714 INFO L226 Difference]: Without dead ends: 253 [2018-10-27 00:24:12,715 INFO L605 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 [2018-10-27 00:24:12,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-10-27 00:24:12,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2018-10-27 00:24:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-10-27 00:24:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 266 transitions. [2018-10-27 00:24:12,739 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 266 transitions. Word has length 70 [2018-10-27 00:24:12,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:12,740 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 266 transitions. [2018-10-27 00:24:12,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:24:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 266 transitions. [2018-10-27 00:24:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-27 00:24:12,742 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:12,742 INFO L375 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] [2018-10-27 00:24:12,742 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:12,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:12,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1846822650, now seen corresponding path program 1 times [2018-10-27 00:24:12,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:12,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:12,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:12,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:12,745 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:13,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:13,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:24:13,263 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:13,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:24:13,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:24:13,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:24:13,265 INFO L87 Difference]: Start difference. First operand 234 states and 266 transitions. Second operand 8 states. [2018-10-27 00:24:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:13,311 INFO L93 Difference]: Finished difference Result 451 states and 527 transitions. [2018-10-27 00:24:13,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:24:13,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-10-27 00:24:13,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:13,317 INFO L225 Difference]: With dead ends: 451 [2018-10-27 00:24:13,317 INFO L226 Difference]: Without dead ends: 241 [2018-10-27 00:24:13,318 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:24:13,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-10-27 00:24:13,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2018-10-27 00:24:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-10-27 00:24:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 270 transitions. [2018-10-27 00:24:13,342 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 270 transitions. Word has length 84 [2018-10-27 00:24:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:13,343 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 270 transitions. [2018-10-27 00:24:13,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:24:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 270 transitions. [2018-10-27 00:24:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-27 00:24:13,346 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:13,346 INFO L375 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] [2018-10-27 00:24:13,346 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:13,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1746544772, now seen corresponding path program 1 times [2018-10-27 00:24:13,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:13,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:13,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:13,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:13,349 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:13,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:13,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:24:13,442 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:13,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:24:13,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:24:13,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:24:13,443 INFO L87 Difference]: Start difference. First operand 238 states and 270 transitions. Second operand 6 states. [2018-10-27 00:24:13,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:13,645 INFO L93 Difference]: Finished difference Result 651 states and 760 transitions. [2018-10-27 00:24:13,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:24:13,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-10-27 00:24:13,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:13,647 INFO L225 Difference]: With dead ends: 651 [2018-10-27 00:24:13,647 INFO L226 Difference]: Without dead ends: 437 [2018-10-27 00:24:13,647 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:24:13,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-10-27 00:24:13,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-10-27 00:24:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-10-27 00:24:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 490 transitions. [2018-10-27 00:24:13,678 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 490 transitions. Word has length 84 [2018-10-27 00:24:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:13,679 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 490 transitions. [2018-10-27 00:24:13,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:24:13,679 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 490 transitions. [2018-10-27 00:24:13,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-27 00:24:13,682 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:13,682 INFO L375 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, 1, 1, 1, 1] [2018-10-27 00:24:13,683 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:13,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:13,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1707827368, now seen corresponding path program 1 times [2018-10-27 00:24:13,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:13,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:13,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:13,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:13,684 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:24:13,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:13,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:24:13,807 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:13,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:24:13,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:24:13,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:24:13,808 INFO L87 Difference]: Start difference. First operand 431 states and 490 transitions. Second operand 7 states. [2018-10-27 00:24:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:14,560 INFO L93 Difference]: Finished difference Result 466 states and 542 transitions. [2018-10-27 00:24:14,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 00:24:14,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-10-27 00:24:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:14,563 INFO L225 Difference]: With dead ends: 466 [2018-10-27 00:24:14,564 INFO L226 Difference]: Without dead ends: 463 [2018-10-27 00:24:14,564 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-27 00:24:14,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-10-27 00:24:14,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 431. [2018-10-27 00:24:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-10-27 00:24:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 489 transitions. [2018-10-27 00:24:14,592 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 489 transitions. Word has length 88 [2018-10-27 00:24:14,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:14,592 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 489 transitions. [2018-10-27 00:24:14,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:24:14,592 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 489 transitions. [2018-10-27 00:24:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 00:24:14,594 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:14,594 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:24:14,594 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:14,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:14,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1572435301, now seen corresponding path program 1 times [2018-10-27 00:24:14,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:14,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:14,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:14,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:14,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 00:24:14,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:14,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:24:14,878 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:14,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:24:14,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:24:14,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:24:14,879 INFO L87 Difference]: Start difference. First operand 431 states and 489 transitions. Second operand 6 states. [2018-10-27 00:24:14,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:14,921 INFO L93 Difference]: Finished difference Result 852 states and 990 transitions. [2018-10-27 00:24:14,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:24:14,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-10-27 00:24:14,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:14,925 INFO L225 Difference]: With dead ends: 852 [2018-10-27 00:24:14,926 INFO L226 Difference]: Without dead ends: 445 [2018-10-27 00:24:14,927 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:24:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-10-27 00:24:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 441. [2018-10-27 00:24:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-10-27 00:24:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 499 transitions. [2018-10-27 00:24:14,950 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 499 transitions. Word has length 104 [2018-10-27 00:24:14,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:14,950 INFO L481 AbstractCegarLoop]: Abstraction has 441 states and 499 transitions. [2018-10-27 00:24:14,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:24:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 499 transitions. [2018-10-27 00:24:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 00:24:14,952 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:14,953 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:24:14,953 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:14,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:14,953 INFO L82 PathProgramCache]: Analyzing trace with hash -792333090, now seen corresponding path program 1 times [2018-10-27 00:24:14,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:14,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:14,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:14,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:14,954 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:15,284 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:24:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 00:24:15,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:24:15,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:24:15,295 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:15,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:24:15,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:24:15,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:24:15,296 INFO L87 Difference]: Start difference. First operand 441 states and 499 transitions. Second operand 4 states. [2018-10-27 00:24:16,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:24:16,244 INFO L93 Difference]: Finished difference Result 1311 states and 1560 transitions. [2018-10-27 00:24:16,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:24:16,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-27 00:24:16,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:24:16,249 INFO L225 Difference]: With dead ends: 1311 [2018-10-27 00:24:16,249 INFO L226 Difference]: Without dead ends: 894 [2018-10-27 00:24:16,250 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:24:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-10-27 00:24:16,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 879. [2018-10-27 00:24:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2018-10-27 00:24:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1025 transitions. [2018-10-27 00:24:16,308 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1025 transitions. Word has length 104 [2018-10-27 00:24:16,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:24:16,308 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1025 transitions. [2018-10-27 00:24:16,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:24:16,309 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1025 transitions. [2018-10-27 00:24:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-27 00:24:16,310 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:24:16,310 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:24:16,310 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:24:16,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:16,311 INFO L82 PathProgramCache]: Analyzing trace with hash 801078980, now seen corresponding path program 1 times [2018-10-27 00:24:16,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:24:16,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:16,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:24:16,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:24:16,312 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:24:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:24:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:24:16,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:24:16,751 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:24:16,752 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-10-27 00:24:16,754 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [63], [64], [65], [80], [83], [85], [89], [95], [99], [103], [106], [111], [114], [119], [122], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [169], [171], [172], [173], [206], [210], [227], [228], [231], [233], [236], [246], [249], [253], [254], [257], [259], [262], [264], [267], [276], [277], [278], [279], [280], [281], [282], [283], [284], [292], [293], [296], [298], [299], [306], [307], [308], [309], [310], [311], [312], [316], [317], [318], [319], [320], [321], [328], [329], [330], [332], [333], [334], [336], [337], [338], [339], [344], [345], [346], [347], [348] [2018-10-27 00:24:16,802 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:24:16,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:24:24,078 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:24:24,080 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-27 00:24:24,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:24:24,092 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:24:29,508 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 97.17% of their original sizes. [2018-10-27 00:24:29,509 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:24:30,259 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-10-27 00:24:30,259 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:24:30,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:24:30,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [13] total 38 [2018-10-27 00:24:30,260 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:24:30,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-27 00:24:30,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-27 00:24:30,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2018-10-27 00:24:30,261 INFO L87 Difference]: Start difference. First operand 879 states and 1025 transitions. Second operand 27 states. [2018-10-27 00:25:08,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:25:08,499 INFO L93 Difference]: Finished difference Result 1947 states and 2315 transitions. [2018-10-27 00:25:08,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-10-27 00:25:08,499 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 108 [2018-10-27 00:25:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:25:08,503 INFO L225 Difference]: With dead ends: 1947 [2018-10-27 00:25:08,503 INFO L226 Difference]: Without dead ends: 1092 [2018-10-27 00:25:08,506 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=1533, Unknown=0, NotChecked=0, Total=1722 [2018-10-27 00:25:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2018-10-27 00:25:08,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1072. [2018-10-27 00:25:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2018-10-27 00:25:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1220 transitions. [2018-10-27 00:25:08,578 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1220 transitions. Word has length 108 [2018-10-27 00:25:08,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:25:08,578 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1220 transitions. [2018-10-27 00:25:08,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-27 00:25:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1220 transitions. [2018-10-27 00:25:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:25:08,584 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:25:08,584 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:25:08,584 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:25:08,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:25:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1605016391, now seen corresponding path program 1 times [2018-10-27 00:25:08,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:25:08,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:25:08,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:25:08,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:25:08,586 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:25:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:25:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:25:08,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:25:08,873 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:25:08,873 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-10-27 00:25:08,874 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [63], [64], [65], [68], [70], [76], [80], [83], [84], [85], [89], [95], [99], [103], [106], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [169], [171], [172], [173], [203], [206], [210], [216], [219], [223], [227], [228], [231], [233], [236], [243], [246], [249], [253], [254], [257], [259], [262], [264], [267], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334], [336], [337], [338], [339], [342], [343], [344], [345], [346], [347], [348] [2018-10-27 00:25:08,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:25:08,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:26:05,001 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:26:05,001 INFO L272 AbstractInterpreter]: Visited 108 different actions 447 times. Merged at 13 different actions 45 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 132 variables. [2018-10-27 00:26:05,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:26:05,011 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:26:18,519 INFO L227 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 96.62% of their original sizes. [2018-10-27 00:26:18,519 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:26:20,396 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-10-27 00:26:20,396 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:26:20,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:26:20,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [42] imperfect sequences [5] total 45 [2018-10-27 00:26:20,396 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:26:20,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-10-27 00:26:20,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-10-27 00:26:20,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1554, Unknown=0, NotChecked=0, Total=1722 [2018-10-27 00:26:20,397 INFO L87 Difference]: Start difference. First operand 1072 states and 1220 transitions. Second operand 42 states. [2018-10-27 00:27:38,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:27:38,384 INFO L93 Difference]: Finished difference Result 2294 states and 2707 transitions. [2018-10-27 00:27:38,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-10-27 00:27:38,384 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 182 [2018-10-27 00:27:38,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:27:38,388 INFO L225 Difference]: With dead ends: 2294 [2018-10-27 00:27:38,388 INFO L226 Difference]: Without dead ends: 1437 [2018-10-27 00:27:38,392 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 233 GetRequests, 122 SyntacticMatches, 19 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2823 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=600, Invalid=8142, Unknown=0, NotChecked=0, Total=8742 [2018-10-27 00:27:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2018-10-27 00:27:38,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1339. [2018-10-27 00:27:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2018-10-27 00:27:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1522 transitions. [2018-10-27 00:27:38,490 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1522 transitions. Word has length 182 [2018-10-27 00:27:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:27:38,490 INFO L481 AbstractCegarLoop]: Abstraction has 1339 states and 1522 transitions. [2018-10-27 00:27:38,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-10-27 00:27:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1522 transitions. [2018-10-27 00:27:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:27:38,495 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:27:38,495 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:27:38,495 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:27:38,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:27:38,495 INFO L82 PathProgramCache]: Analyzing trace with hash -238637101, now seen corresponding path program 1 times [2018-10-27 00:27:38,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:27:38,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:27:38,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:27:38,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:27:38,496 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:27:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:27:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 00:27:38,904 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:27:38,904 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:27:38,904 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-10-27 00:27:38,904 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [63], [64], [65], [68], [70], [76], [80], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [169], [171], [172], [173], [203], [206], [210], [216], [219], [223], [227], [228], [231], [233], [236], [243], [246], [249], [253], [254], [257], [259], [262], [264], [267], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334], [336], [337], [338], [339], [342], [343], [344], [345], [346], [347], [348] [2018-10-27 00:27:38,908 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:27:38,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:29:24,193 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:29:24,193 INFO L272 AbstractInterpreter]: Visited 126 different actions 1301 times. Merged at 19 different actions 84 times. Never widened. Found 15 fixpoints after 3 different actions. Largest state had 132 variables. [2018-10-27 00:29:24,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:29:24,203 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:29:43,794 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 96.7% of their original sizes. [2018-10-27 00:29:43,794 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:29:46,408 INFO L415 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2018-10-27 00:29:46,408 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:29:46,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:29:46,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [58] imperfect sequences [13] total 69 [2018-10-27 00:29:46,409 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:29:46,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-10-27 00:29:46,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-10-27 00:29:46,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3011, Unknown=0, NotChecked=0, Total=3306 [2018-10-27 00:29:46,410 INFO L87 Difference]: Start difference. First operand 1339 states and 1522 transitions. Second operand 58 states. [2018-10-27 00:31:41,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:31:41,452 INFO L93 Difference]: Finished difference Result 3298 states and 4052 transitions. [2018-10-27 00:31:41,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-10-27 00:31:41,452 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 178 [2018-10-27 00:31:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:31:41,457 INFO L225 Difference]: With dead ends: 3298 [2018-10-27 00:31:41,457 INFO L226 Difference]: Without dead ends: 2192 [2018-10-27 00:31:41,463 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 261 GetRequests, 118 SyntacticMatches, 3 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6516 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=1429, Invalid=18593, Unknown=0, NotChecked=0, Total=20022 [2018-10-27 00:31:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2018-10-27 00:31:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 1669. [2018-10-27 00:31:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2018-10-27 00:31:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 1891 transitions. [2018-10-27 00:31:41,640 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 1891 transitions. Word has length 178 [2018-10-27 00:31:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:31:41,640 INFO L481 AbstractCegarLoop]: Abstraction has 1669 states and 1891 transitions. [2018-10-27 00:31:41,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-10-27 00:31:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1891 transitions. [2018-10-27 00:31:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-27 00:31:41,645 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:31:41,645 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:31:41,646 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:31:41,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:31:41,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1831247712, now seen corresponding path program 1 times [2018-10-27 00:31:41,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:31:41,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:31:41,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:31:41,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:31:41,647 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:31:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:31:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 00:31:41,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:31:41,915 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:31:41,915 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-10-27 00:31:41,915 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [46], [48], [49], [50], [53], [55], [56], [59], [63], [64], [65], [68], [70], [76], [80], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [169], [171], [172], [173], [203], [206], [210], [216], [219], [223], [227], [228], [231], [233], [236], [243], [246], [249], [253], [254], [257], [259], [262], [264], [267], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [326], [327], [328], [329], [330], [331], [332], [333], [334], [336], [337], [338], [339], [342], [343], [344], [345], [346], [347], [348] [2018-10-27 00:31:41,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:31:41,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:33:28,894 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:33:28,895 INFO L272 AbstractInterpreter]: Visited 132 different actions 1337 times. Merged at 19 different actions 84 times. Never widened. Found 15 fixpoints after 3 different actions. Largest state had 132 variables. [2018-10-27 00:33:28,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:33:28,903 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:33:53,809 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 96.57% of their original sizes. [2018-10-27 00:33:53,809 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:33:58,183 INFO L415 sIntCurrentIteration]: We unified 247 AI predicates to 247 [2018-10-27 00:33:58,184 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:33:58,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:33:58,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [75] imperfect sequences [9] total 82 [2018-10-27 00:33:58,184 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:33:58,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-10-27 00:33:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-10-27 00:33:58,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=5117, Unknown=0, NotChecked=0, Total=5550 [2018-10-27 00:33:58,186 INFO L87 Difference]: Start difference. First operand 1669 states and 1891 transitions. Second operand 75 states. [2018-10-27 00:35:25,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:25,152 INFO L93 Difference]: Finished difference Result 2156 states and 2457 transitions. [2018-10-27 00:35:25,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-10-27 00:35:25,152 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 248 [2018-10-27 00:35:25,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:25,153 INFO L225 Difference]: With dead ends: 2156 [2018-10-27 00:35:25,153 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:35:25,158 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 304 GetRequests, 171 SyntacticMatches, 3 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5762 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1241, Invalid=16051, Unknown=0, NotChecked=0, Total=17292 [2018-10-27 00:35:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:35:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:35:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:35:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:35:25,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2018-10-27 00:35:25,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:25,162 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:35:25,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-10-27 00:35:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:35:25,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:35:25,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:35:25,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:25,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:26,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:26,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:27,552 WARN L179 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 361 DAG size of output: 346 [2018-10-27 00:35:27,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:29,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:29,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:30,222 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 384 DAG size of output: 353 [2018-10-27 00:35:30,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:30,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:30,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:31,638 WARN L179 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 383 [2018-10-27 00:35:31,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:31,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 00:35:32,502 WARN L179 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 351 [2018-10-27 00:35:33,562 WARN L179 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 68 [2018-10-27 00:35:33,896 WARN L179 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2018-10-27 00:35:34,321 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 40 [2018-10-27 00:35:34,432 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2018-10-27 00:35:35,090 WARN L179 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 68 [2018-10-27 00:35:36,538 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 334 DAG size of output: 97 [2018-10-27 00:35:36,898 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2018-10-27 00:35:38,171 WARN L179 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 425 DAG size of output: 62 [2018-10-27 00:35:38,802 WARN L179 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 50 [2018-10-27 00:35:40,083 WARN L179 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 327 DAG size of output: 98 [2018-10-27 00:35:40,233 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2018-10-27 00:35:40,928 WARN L179 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 67 [2018-10-27 00:35:41,169 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2018-10-27 00:35:41,581 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 25 [2018-10-27 00:35:42,026 WARN L179 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 61 [2018-10-27 00:35:42,178 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2018-10-27 00:35:42,888 WARN L179 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 69 [2018-10-27 00:35:43,518 WARN L179 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 56 [2018-10-27 00:35:44,090 WARN L179 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 68 [2018-10-27 00:35:44,542 WARN L179 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 27 [2018-10-27 00:35:45,114 WARN L179 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 27 [2018-10-27 00:35:45,836 WARN L179 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 58 [2018-10-27 00:35:45,949 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 38 [2018-10-27 00:35:46,255 WARN L179 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 48 [2018-10-27 00:35:46,632 WARN L179 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 47 [2018-10-27 00:35:46,746 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 38 [2018-10-27 00:35:46,963 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 38 [2018-10-27 00:35:48,196 WARN L179 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 430 DAG size of output: 85 [2018-10-27 00:35:48,440 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2018-10-27 00:35:49,734 WARN L179 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 322 DAG size of output: 88 [2018-10-27 00:35:49,965 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2018-10-27 00:35:50,136 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 30 [2018-10-27 00:35:50,377 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2018-10-27 00:35:50,948 WARN L179 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 49 [2018-10-27 00:35:51,283 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2018-10-27 00:35:52,392 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 460 DAG size of output: 63 [2018-10-27 00:35:52,756 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 25 [2018-10-27 00:35:53,119 WARN L179 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 48 [2018-10-27 00:35:54,138 WARN L179 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 429 DAG size of output: 59 [2018-10-27 00:35:54,662 WARN L179 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 53 [2018-10-27 00:35:54,810 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 32 [2018-10-27 00:35:55,125 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2018-10-27 00:35:55,569 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 57 [2018-10-27 00:35:56,314 WARN L179 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 67 [2018-10-27 00:35:56,950 WARN L179 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 70 [2018-10-27 00:35:56,952 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-10-27 00:35:56,953 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-10-27 00:35:56,953 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-10-27 00:35:56,953 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-10-27 00:35:56,953 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-10-27 00:35:56,953 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,953 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-10-27 00:35:56,953 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= 1 (+ main_~tmp~1 ~pumpRunning~0)) (<= main_~tmp~1 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,953 INFO L421 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= 1 (+ main_~tmp~1 ~pumpRunning~0)) (<= main_~tmp~1 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,953 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-10-27 00:35:56,953 INFO L425 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-10-27 00:35:56,954 INFO L425 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-10-27 00:35:56,954 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,954 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,954 INFO L421 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,954 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-10-27 00:35:56,954 INFO L421 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse7 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse5 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 .cse7))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse3 .cse4) (or .cse0 .cse5 .cse1 (< .cse2 0) .cse6 (not (= ~waterLevel~0 1)) .cse4) (or (< 2 .cse7) .cse5 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse5 .cse6 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))))) [2018-10-27 00:35:56,954 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-10-27 00:35:56,954 INFO L421 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse6 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 .cse6)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4) (or (< 2 .cse6) .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-10-27 00:35:56,955 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse6 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse7 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 .cse6)) (.cse5 (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse3 .cse4) (or (and .cse5 (<= ~pumpRunning~0 ~systemActive~0)) (< 2 .cse6) .cse7 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or .cse0 .cse7 .cse1 (< .cse2 0) .cse8 (not (= ~waterLevel~0 1)) .cse4) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse7 .cse8 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse5))))) [2018-10-27 00:35:56,955 INFO L421 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse3 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse6 (< 0 .cse1))) (and (let ((.cse0 (+ ~methaneLevelCritical~0 1))) (or (and (<= (+ ~methaneLevelCritical~0 processEnvironment__wrappee__methaneQuery_~tmp~3) 1) (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse0) (<= ~systemActive~0 processEnvironment__wrappee__methaneQuery_~tmp~3)) (< 2 .cse1) .cse2 .cse3 (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| .cse0))) (or .cse2 .cse3 (< .cse4 0) .cse5 (not (= ~waterLevel~0 1)) .cse6) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse3 (< .cse4 1) .cse7 .cse6) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse2 .cse5 .cse7 .cse6)))) [2018-10-27 00:35:56,955 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-10-27 00:35:56,955 INFO L425 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-10-27 00:35:56,955 INFO L421 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 .cse0))) (and (or (and (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~pumpRunning~0 ~systemActive~0)) (< 2 .cse0) .cse1 .cse2 (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (< .cse3 0) .cse4 (not (= ~waterLevel~0 1)) .cse5) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) .cse6 .cse5) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse1 .cse4 .cse6 .cse5)))) [2018-10-27 00:35:56,955 INFO L425 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-10-27 00:35:56,955 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-10-27 00:35:56,955 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-10-27 00:35:56,955 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-10-27 00:35:56,956 INFO L428 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-10-27 00:35:56,956 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-10-27 00:35:56,956 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-10-27 00:35:56,956 INFO L428 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse0 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or (< ~waterLevel~0 ~systemActive~0) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1))) (not (= ~systemActive~0 1))) [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-10-27 00:35:56,957 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-10-27 00:35:56,958 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse6 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (< .cse6 1)) (.cse5 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 (< .cse6 0) .cse7 (not (= ~waterLevel~0 1)) .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse8 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse9 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse8 .cse9 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse8 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse9))) (not (= ~systemActive~0 1))) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse5 .cse7 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))))) [2018-10-27 00:35:56,958 INFO L421 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse8 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< .cse8 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse7 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 .cse3 .cse4) (or (let ((.cse5 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse5 .cse6 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse6))) (not (= ~systemActive~0 1))) (or .cse0 .cse7 .cse1 (< .cse8 0) .cse9 (not (= ~waterLevel~0 1)) .cse4) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse7 .cse9 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))))) [2018-10-27 00:35:56,958 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-10-27 00:35:56,958 INFO L421 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse6 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse7 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 .cse6))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (and (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) (<= (+ processEnvironment_~tmp~4 1) ~pumpRunning~0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 .cse6) .cse0 .cse1 .cse7 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (not (= ~systemActive~0 1))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4)))) [2018-10-27 00:35:56,958 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse7 (* 2 |old(~pumpRunning~0)|))) (let ((.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse0 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 .cse7))) (and (or (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (not (= ~systemActive~0 1)) (and (and (<= ~waterLevel~0 processEnvironment_~tmp~4) (<= (* 2 processEnvironment_~tmp~4) 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 .cse2 (< .cse3 0) .cse4 (not (= ~waterLevel~0 1)) .cse5) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) .cse6 .cse5) (or (< 2 .cse7) .cse1 .cse2 .cse0 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse1 .cse4 .cse6 .cse5)))) [2018-10-27 00:35:56,958 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-10-27 00:35:56,959 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse5 (< .cse2 1)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse5 .cse6 .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse7 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse8 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse7 .cse8 .cse5 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse8))) (not (= ~systemActive~0 1))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse6 .cse4)))) [2018-10-27 00:35:56,959 INFO L425 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-10-27 00:35:56,959 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-10-27 00:35:56,959 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-10-27 00:35:56,959 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,959 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 576 621) no Hoare annotation was computed. [2018-10-27 00:35:56,959 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-10-27 00:35:56,959 INFO L421 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-27 00:35:56,959 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-10-27 00:35:56,959 INFO L421 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 2147483646))) (let ((.cse0 (let ((.cse2 (+ ~pumpRunning~0 1))) (and (<= .cse2 ~waterLevel~0) (<= 0 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= (* 2 ~methaneLevelCritical~0) 2) (<= ~methaneLevelCritical~0 .cse2) (<= test_~tmp___2~0 .cse1) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) (= test_~splverifierCounter~0 0))))) (or (and .cse0 (<= (+ ~systemActive~0 test_~tmp___0~3) 2147483648) (and (<= ~systemActive~0 (+ test_~tmp~8 2147483649)) (<= test_~tmp~8 .cse1)) (<= ~systemActive~0 (+ test_~tmp___0~3 2147483649))) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (<= 2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-27 00:35:56,960 INFO L425 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-10-27 00:35:56,960 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-10-27 00:35:56,960 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse14 (+ ~pumpRunning~0 1))) (let ((.cse1 (+ ~methaneLevelCritical~0 1)) (.cse7 (<= ~systemActive~0 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse8 (<= .cse14 ~waterLevel~0)) (.cse9 (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0))) (.cse13 (+ ~systemActive~0 2147483646))) (let ((.cse4 (and .cse8 (<= ~waterLevel~0 .cse14) (<= (* 2 test_~splverifierCounter~0) 0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 2) .cse9 (= ~methaneLevelCritical~0 0) (<= ~systemActive~0 (+ test_~tmp~8 2147483649)) (<= test_~tmp~8 .cse13))) (.cse0 (<= (+ ~systemActive~0 test_~tmp___0~3) 2147483648)) (.cse2 (<= ~systemActive~0 (+ test_~tmp___0~3 2147483649))) (.cse5 (let ((.cse10 (<= (* 2 ~methaneLevelCritical~0) 2)) (.cse11 (<= test_~tmp___2~0 .cse13)) (.cse12 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)))) (or (and .cse8 .cse9 (<= ~waterLevel~0 .cse1) .cse7 .cse10 .cse11 .cse12 .cse3) (and .cse8 (<= ~systemActive~0 ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) .cse9 (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) .cse10 .cse11 .cse12 .cse3)))) (.cse6 (= ~pumpRunning~0 0))) (or (and (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))) (<= ~waterLevel~0 (+ ~methaneLevelCritical~0 2)) .cse0 (<= ~pumpRunning~0 .cse1) (<= 0 (* 2 ~pumpRunning~0)) .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2) (and (and .cse4 .cse0) .cse2 .cse6) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (and .cse5 .cse7 .cse6) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))))) [2018-10-27 00:35:56,960 INFO L425 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-10-27 00:35:56,960 INFO L425 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-10-27 00:35:56,960 INFO L421 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse6 (+ ~pumpRunning~0 1))) (let ((.cse2 (<= .cse6 ~waterLevel~0)) (.cse3 (<= 0 (* 2 ~pumpRunning~0))) (.cse4 (+ ~systemActive~0 2147483646)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and .cse2 (<= ~waterLevel~0 .cse6) (= ~methaneLevelCritical~0 0) (<= ~systemActive~0 (+ test_~tmp~8 2147483649)) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) .cse3 (<= test_~tmp~8 .cse4) .cse5)) (.cse1 (and .cse2 (<= ~waterLevel~0 (+ test_~splverifierCounter~0 2)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= (* 2 ~methaneLevelCritical~0) 2) .cse3 (<= test_~tmp___2~0 .cse4) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse5))) (or (and (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) .cse0) (and .cse1 .cse0) (and .cse1 (<= ~systemActive~0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))))) [2018-10-27 00:35:56,961 INFO L421 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse3 (<= (+ ~pumpRunning~0 1) ~waterLevel~0)) (.cse2 (+ ~systemActive~0 ~waterLevel~0)) (.cse1 (* 2 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and .cse3 (<= .cse2 3) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= .cse1 2) (<= 0 (* 2 ~pumpRunning~0)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse4))) (or (and (and .cse0 (= ~pumpRunning~0 1)) (<= .cse1 0)) (and .cse0 (<= ~systemActive~0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= .cse2 2) (and .cse3 (= ~methaneLevelCritical~0 0) (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) .cse4)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:35:56,961 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-27 00:35:56,961 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L421 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (and (<= activatePump_~tmp~5 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 0 (+ ~methaneLevelCritical~0 activatePump_~tmp~5)))) (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0))) [2018-10-27 00:35:56,962 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L421 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L428 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-10-27 00:35:56,962 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-10-27 00:35:56,962 INFO L425 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (* 2 ~pumpRunning~0))) (let ((.cse0 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse2 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse6 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (< ~waterLevel~0 ~systemActive~0)) (.cse8 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 .cse1))) (and (or (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= 1 .cse0)) (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2) (< 2 .cse1) .cse2 .cse3 (< ~pumpRunning~0 (+ |old(~methaneLevelCritical~0)| 1))) (or (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse2 .cse4 .cse3 .cse5) (and .cse6 (<= .cse0 0))) (or .cse2 .cse7 (and .cse6 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (< .cse8 0) .cse4 (not (= ~waterLevel~0 1)) .cse5) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1))) (not (= |old(~methaneLevelCritical~0)| 1)) (< (* 2 ~systemActive~0) 2) .cse7 (< .cse8 1) .cse3 .cse5)))) [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L428 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L425 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-10-27 00:35:56,963 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-10-27 00:35:56,964 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-10-27 00:35:56,964 INFO L428 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-10-27 00:35:56,964 INFO L425 ceAbstractionStarter]: For program point L237-1(lines 237 251) no Hoare annotation was computed. [2018-10-27 00:35:56,964 INFO L428 ceAbstractionStarter]: At program point L237-3(lines 237 251) the Hoare annotation is: true [2018-10-27 00:35:56,964 INFO L428 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-10-27 00:35:56,964 INFO L425 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-10-27 00:35:56,964 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse16 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse14 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse17 (* 2 |old(~pumpRunning~0)|)) (.cse8 (= |old(~waterLevel~0)| 1)) (.cse13 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse4 (< .cse13 1)) (.cse11 (= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not .cse8)) (.cse6 (< 0 .cse17)) (.cse7 (<= 2 .cse14)) (.cse9 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse5 (< 3 .cse16)) (.cse15 (+ ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (and (<= ~waterLevel~0 ~methaneLevelCritical~0) .cse7) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse8 .cse1 .cse2) .cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse5) (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse9 .cse10 .cse5 .cse6) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 0 (* 2 ~pumpRunning~0)) .cse7)) (or .cse11 .cse1 .cse2 .cse3 .cse12 .cse4 .cse6) (or (and .cse11 .cse0) .cse9 .cse3 (< .cse13 0) .cse10 .cse12 .cse6) (or (and (<= .cse14 2) (<= .cse15 ~waterLevel~0)) (not (= ~systemActive~0 1)) (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< .cse16 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (and (<= (+ ~methaneLevelCritical~0 ~waterLevel~0) 1) .cse7 (<= ~pumpRunning~0 ~systemActive~0)) (< 2 .cse17) .cse9 .cse5 (< |old(~pumpRunning~0)| .cse15))))) [2018-10-27 00:35:56,964 INFO L421 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse15 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse16 (+ ~methaneLevelCritical~0 1)) (.cse18 (* 2 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| 1)) (.cse13 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse4 (< .cse13 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (not .cse10)) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 0 .cse18)) (.cse9 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse11 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (.cse17 (<= .cse16 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse12 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse5 (< 3 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse4 .cse6) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) .cse9 .cse0) (or .cse10 .cse1 .cse2) .cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse5 .cse11) (or (and .cse7 .cse0) .cse12 .cse3 (< .cse13 0) .cse14 .cse8 .cse6) (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse12 .cse14 .cse5 .cse6) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse9 (= ~pumpRunning~0 1))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< .cse15 3) (< .cse16 |old(~waterLevel~0)|) (< ~systemActive~0 ~methaneLevelCritical~0) .cse17 .cse11) (or (and (<= ~waterLevel~0 ~systemActive~0) .cse17 .cse0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse18) .cse12 .cse5 (< |old(~pumpRunning~0)| .cse16))))) [2018-10-27 00:35:56,965 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse13 (+ ~methaneLevelCritical~0 1)) (.cse12 (* 2 |old(~pumpRunning~0)|)) (.cse14 (= |old(~waterLevel~0)| 1)) (.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse16 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse4 (< .cse16 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse5 (< 3 .cse17)) (.cse10 (= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not .cse14)) (.cse6 (< 0 .cse12)) (.cse9 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse15 (<= .cse13 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse7 .cse8 .cse5 .cse6) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 0 (* 2 ~pumpRunning~0)) (<= 2 .cse9))) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (= ~pumpRunning~0 1)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse12) .cse7 .cse5 (< |old(~pumpRunning~0)| .cse13)) (or (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse14 .cse1 .cse2) (and (<= .cse9 3) (<= ~methaneLevelCritical~0 ~pumpRunning~0) .cse15) .cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse5) (or (and .cse10 .cse0) .cse7 .cse3 (< .cse16 0) .cse8 .cse11 .cse6) (or (and (<= .cse9 2) .cse15) (not (= ~systemActive~0 1)) (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< .cse17 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))))) [2018-10-27 00:35:56,965 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (* 2 |old(~pumpRunning~0)|))) (let ((.cse5 (+ ~methaneLevelCritical~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< (* 2 ~systemActive~0) 2)) (.cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse9 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse10 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~waterLevel~0)| 1)) (.cse3 (< 0 .cse4))) (and (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse0 .cse1 .cse2 .cse3) (or (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (= ~pumpRunning~0 1)) (< 2 .cse4) .cse0 .cse2 (< |old(~pumpRunning~0)| .cse5)) (or (and (<= (+ ~pumpRunning~0 ~waterLevel~0) 3) (<= ~methaneLevelCritical~0 ~pumpRunning~0) (<= .cse5 ~waterLevel~0)) (or .cse6 .cse7 .cse8) .cse9 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse2 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or .cse7 .cse8 .cse9 (< .cse10 1) .cse2 .cse3) (or .cse0 .cse9 (< .cse10 0) .cse1 (not .cse6) .cse3)))) [2018-10-27 00:35:56,965 INFO L425 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-10-27 00:35:56,965 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-10-27 00:35:56,965 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-10-27 00:35:56,965 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (+ ~methaneLevelCritical~0 1)) (.cse0 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|)))) (and (or (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< ~pumpRunning~0 .cse1)) (let ((.cse2 (+ ~pumpRunning~0 1))) (or (and (<= ~waterLevel~0 .cse2) (<= .cse1 ~waterLevel~0)) (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| .cse2) (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1) .cse0)))) [2018-10-27 00:35:56,965 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-10-27 00:35:56,966 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-10-27 00:35:56,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:35:56,966 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-27 00:35:56,966 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:35:56,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:35:56,966 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-10-27 00:35:56,966 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-10-27 00:35:56,966 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))) [2018-10-27 00:35:56,966 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4))) [2018-10-27 00:35:56,966 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-10-27 00:35:56,966 INFO L425 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-10-27 00:35:56,967 INFO L421 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or .cse1 .cse0 .cse2 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 .cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) .cse3 .cse4))) [2018-10-27 00:35:56,967 INFO L421 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse5 (* 2 processEnvironment__wrappee__highWaterSensor_~tmp~2))) (let ((.cse0 (<= 2 .cse5)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (<= (+ processEnvironment__wrappee__highWaterSensor_~tmp~2 ~systemActive~0) 2) (= 0 ~pumpRunning~0) .cse0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or (and (<= .cse5 2) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse3 .cse4)))) [2018-10-27 00:35:56,967 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-10-27 00:35:56,967 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))) [2018-10-27 00:35:56,967 INFO L425 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-10-27 00:35:56,967 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-10-27 00:35:56,967 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-10-27 00:35:56,967 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-10-27 00:35:56,968 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse7 (* 2 ~pumpRunning~0)) (.cse12 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (let ((.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse4 (< .cse12 1)) (.cse10 (= 1 ~waterLevel~0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 0 .cse7)) (.cse9 (+ ~methaneLevelCritical~0 1)) (.cse8 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse7) .cse8 .cse5 (< ~pumpRunning~0 .cse9)) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or .cse10 .cse8 .cse3 (< .cse12 0) (not (= ~methaneLevelCritical~0 0)) .cse11 .cse6) (or (<= .cse9 ~waterLevel~0) (< |old(~waterLevel~0)| (+ ~pumpRunning~0 2)) (< .cse9 |old(~waterLevel~0)|) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse8)))) [2018-10-27 00:35:56,968 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-10-27 00:35:56,968 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-10-27 00:35:56,968 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-10-27 00:35:56,968 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-10-27 00:35:56,968 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-10-27 00:35:56,968 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-10-27 00:35:56,968 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 ~pumpRunning~0)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse5 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4))) [2018-10-27 00:35:56,968 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-10-27 00:35:56,968 INFO L421 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse1 (not (= ~waterLevel~0 1)) (< 0 (* 2 ~pumpRunning~0))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))))) [2018-10-27 00:35:56,969 INFO L425 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-10-27 00:35:56,969 INFO L425 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-10-27 00:35:56,969 INFO L425 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-10-27 00:35:56,969 INFO L428 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-10-27 00:35:56,969 INFO L425 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-10-27 00:35:56,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:35:56 BoogieIcfgContainer [2018-10-27 00:35:56,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:35:56,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:35:56,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:35:56,981 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:35:56,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:24:09" (3/4) ... [2018-10-27 00:35:56,984 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:35:56,988 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-27 00:35:56,988 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-27 00:35:56,989 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-27 00:35:56,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-27 00:35:56,991 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:35:56,991 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-27 00:35:56,991 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:35:56,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 142 nodes and edges [2018-10-27 00:35:56,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-27 00:35:57,000 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-27 00:35:57,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && 2 * methaneLevelCritical <= 0) || (((((((((pumpRunning + 1 <= waterLevel && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || (systemActive + waterLevel <= 2 && ((pumpRunning + 1 <= waterLevel && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && splverifierCounter == 0)) || 0 < 2 * \old(pumpRunning) [2018-10-27 00:35:57,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-27 00:35:57,102 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c403a2eb-3e62-4e0b-8393-6b90bb5872cc/bin-2019/utaipan/witness.graphml [2018-10-27 00:35:57,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:35:57,103 INFO L168 Benchmark]: Toolchain (without parser) took 708988.18 ms. Allocated memory was 1.0 GB in the beginning and 5.7 GB in the end (delta: 4.7 GB). Free memory was 957.0 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,103 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:35:57,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.39 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 930.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 930.1 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,104 INFO L168 Benchmark]: Boogie Preprocessor took 39.65 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,104 INFO L168 Benchmark]: RCFGBuilder took 1085.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,104 INFO L168 Benchmark]: TraceAbstraction took 707214.08 ms. Allocated memory was 1.2 GB in the beginning and 5.7 GB in the end (delta: 4.5 GB). Free memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.1 GB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,104 INFO L168 Benchmark]: Witness Printer took 121.70 ms. Allocated memory is still 5.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-27 00:35:57,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.39 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 930.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 930.1 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.65 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1085.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 707214.08 ms. Allocated memory was 1.2 GB in the beginning and 5.7 GB in the end (delta: 4.5 GB). Free memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.1 GB. Max. memory is 11.5 GB. * Witness Printer took 121.70 ms. Allocated memory is still 5.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 575]: Loop Invariant Derived loop invariant: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && 2 * methaneLevelCritical <= 0) || (((((((((pumpRunning + 1 <= waterLevel && systemActive + waterLevel <= 3) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || (systemActive + waterLevel <= 2 && ((pumpRunning + 1 <= waterLevel && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && splverifierCounter == 0)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 165 locations, 1 error locations. SAFE Result, 707.1s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 322.3s AutomataDifference, 0.0s DeadEndRemovalTime, 31.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 3103 SDtfs, 5113 SDslu, 24529 SDs, 0 SdLazy, 25566 SolverSat, 2115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 211.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1013 GetRequests, 538 SyntacticMatches, 27 SemanticMatches, 448 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15474 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1669occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 275.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9941787580819159 AbsIntWeakeningRatio, 0.8202247191011236 AbsIntAvgWeakeningVarsNumRemoved, 5749.009831460674 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 720 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2983 PreInvPairs, 3084 NumberOfFragments, 5137 HoareAnnotationTreeSize, 2983 FomulaSimplifications, 142683 FormulaSimplificationTreeSizeReduction, 7.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 493110 FormulaSimplificationTreeSizeReductionInter, 24.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1396 NumberOfCodeBlocks, 1396 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1383 ConstructedInterpolants, 0 QuantifiedInterpolants, 259211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 278/298 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...