./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_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_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/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 8c7c11659b56a65fd9b011a28c96b3117f33c316 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:25:14,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:25:14,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:25:14,745 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:25:14,746 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:25:14,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:25:14,747 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:25:14,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:25:14,749 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:25:14,750 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:25:14,750 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:25:14,750 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:25:14,751 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:25:14,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:25:14,752 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:25:14,752 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:25:14,753 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:25:14,754 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:25:14,755 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:25:14,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:25:14,756 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:25:14,756 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:25:14,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:25:14,758 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:25:14,758 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:25:14,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:25:14,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:25:14,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:25:14,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:25:14,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:25:14,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:25:14,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:25:14,762 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:25:14,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:25:14,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:25:14,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:25:14,763 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:25:14,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:25:14,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:25:14,773 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:25:14,773 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:25:14,773 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:25:14,773 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:25:14,773 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:25:14,773 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:25:14,774 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:25:14,774 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:25:14,774 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:25:14,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:25:14,775 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:25:14,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:25:14,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:25:14,776 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:25:14,776 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:25:14,776 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:25:14,776 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:25:14,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:25:14,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:25:14,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:25:14,777 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:25:14,777 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:25:14,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:25:14,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:25:14,777 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:25:14,778 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_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/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 -> 8c7c11659b56a65fd9b011a28c96b3117f33c316 [2018-11-10 12:25:14,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:25:14,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:25:14,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:25:14,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:25:14,815 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:25:14,816 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-10 12:25:14,862 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/data/918d35ec9/0ecb17f8d6ba47c9ada4b2ae759d1d11/FLAG68692fc7f [2018-11-10 12:25:15,297 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:25:15,297 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-10 12:25:15,306 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/data/918d35ec9/0ecb17f8d6ba47c9ada4b2ae759d1d11/FLAG68692fc7f [2018-11-10 12:25:15,314 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/data/918d35ec9/0ecb17f8d6ba47c9ada4b2ae759d1d11 [2018-11-10 12:25:15,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:25:15,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:25:15,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:25:15,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:25:15,321 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:25:15,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15, skipping insertion in model container [2018-11-10 12:25:15,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:25:15,365 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:25:15,560 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:25:15,567 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:25:15,620 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:25:15,638 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:25:15,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15 WrapperNode [2018-11-10 12:25:15,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:25:15,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:25:15,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:25:15,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:25:15,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:25:15,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:25:15,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:25:15,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:25:15,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... [2018-11-10 12:25:15,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:25:15,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:25:15,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:25:15,743 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:25:15,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/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 [2018-11-10 12:25:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 12:25:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 12:25:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:25:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:25:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 12:25:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 12:25:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 12:25:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 12:25:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 12:25:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 12:25:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:25:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:25:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 12:25:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 12:25:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 12:25:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 12:25:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 12:25:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 12:25:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:25:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:25:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:25:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:25:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:25:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:25:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 12:25:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 12:25:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:25:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:25:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 12:25:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 12:25:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 12:25:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 12:25:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:25:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:25:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 12:25:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 12:25:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 12:25:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 12:25:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 12:25:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 12:25:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 12:25:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 12:25:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-10 12:25:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-10 12:25:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:25:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:25:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:25:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:25:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:25:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:25:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 12:25:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 12:25:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 12:25:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 12:25:16,327 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:25:16,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:25:16 BoogieIcfgContainer [2018-11-10 12:25:16,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:25:16,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:25:16,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:25:16,330 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:25:16,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:25:15" (1/3) ... [2018-11-10 12:25:16,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0966e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:25:16, skipping insertion in model container [2018-11-10 12:25:16,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:15" (2/3) ... [2018-11-10 12:25:16,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0966e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:25:16, skipping insertion in model container [2018-11-10 12:25:16,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:25:16" (3/3) ... [2018-11-10 12:25:16,332 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-10 12:25:16,338 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:25:16,344 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:25:16,353 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:25:16,374 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:25:16,374 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:25:16,374 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:25:16,374 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:25:16,374 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:25:16,374 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:25:16,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:25:16,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:25:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-10 12:25:16,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:25:16,395 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:16,396 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] [2018-11-10 12:25:16,398 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:16,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:16,402 INFO L82 PathProgramCache]: Analyzing trace with hash -836407768, now seen corresponding path program 1 times [2018-11-10 12:25:16,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:16,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:16,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:16,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:16,442 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:16,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:16,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:25:16,604 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:16,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:25:16,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:25:16,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:25:16,621 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-10 12:25:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:16,653 INFO L93 Difference]: Finished difference Result 264 states and 329 transitions. [2018-11-10 12:25:16,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:25:16,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 12:25:16,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:16,664 INFO L225 Difference]: With dead ends: 264 [2018-11-10 12:25:16,664 INFO L226 Difference]: Without dead ends: 132 [2018-11-10 12:25:16,668 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 [2018-11-10 12:25:16,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-10 12:25:16,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-10 12:25:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-10 12:25:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-11-10 12:25:16,712 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 46 [2018-11-10 12:25:16,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:16,712 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-11-10 12:25:16,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:25:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-11-10 12:25:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:25:16,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:16,715 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] [2018-11-10 12:25:16,715 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:16,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:16,715 INFO L82 PathProgramCache]: Analyzing trace with hash -691691186, now seen corresponding path program 1 times [2018-11-10 12:25:16,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:16,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:16,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:16,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:16,717 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:16,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:16,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:25:16,810 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:16,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:25:16,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:25:16,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:25:16,812 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 3 states. [2018-11-10 12:25:16,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:16,830 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2018-11-10 12:25:16,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:25:16,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 12:25:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:16,832 INFO L225 Difference]: With dead ends: 211 [2018-11-10 12:25:16,832 INFO L226 Difference]: Without dead ends: 122 [2018-11-10 12:25:16,832 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 [2018-11-10 12:25:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-10 12:25:16,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-10 12:25:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-10 12:25:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-11-10 12:25:16,843 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 48 [2018-11-10 12:25:16,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:16,844 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-11-10 12:25:16,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:25:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-11-10 12:25:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:25:16,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:16,845 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] [2018-11-10 12:25:16,846 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:16,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1351385408, now seen corresponding path program 1 times [2018-11-10 12:25:16,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:16,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:16,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:16,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:16,847 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:16,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:16,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:25:16,958 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:16,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:25:16,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:25:16,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:25:16,959 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 7 states. [2018-11-10 12:25:17,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:17,198 INFO L93 Difference]: Finished difference Result 220 states and 263 transitions. [2018-11-10 12:25:17,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:25:17,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 12:25:17,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:17,200 INFO L225 Difference]: With dead ends: 220 [2018-11-10 12:25:17,200 INFO L226 Difference]: Without dead ends: 122 [2018-11-10 12:25:17,201 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:25:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-10 12:25:17,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-10 12:25:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-10 12:25:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2018-11-10 12:25:17,211 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 52 [2018-11-10 12:25:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:17,211 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2018-11-10 12:25:17,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:25:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2018-11-10 12:25:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:25:17,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:17,213 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] [2018-11-10 12:25:17,213 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:17,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:17,214 INFO L82 PathProgramCache]: Analyzing trace with hash 754968955, now seen corresponding path program 1 times [2018-11-10 12:25:17,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:17,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:17,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:17,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:17,215 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:17,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:17,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:25:17,295 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:17,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:25:17,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:25:17,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:25:17,296 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand 5 states. [2018-11-10 12:25:17,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:17,613 INFO L93 Difference]: Finished difference Result 323 states and 390 transitions. [2018-11-10 12:25:17,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:25:17,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-10 12:25:17,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:17,615 INFO L225 Difference]: With dead ends: 323 [2018-11-10 12:25:17,615 INFO L226 Difference]: Without dead ends: 225 [2018-11-10 12:25:17,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:25:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-10 12:25:17,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 206. [2018-11-10 12:25:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-11-10 12:25:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 235 transitions. [2018-11-10 12:25:17,636 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 235 transitions. Word has length 65 [2018-11-10 12:25:17,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:17,637 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 235 transitions. [2018-11-10 12:25:17,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:25:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 235 transitions. [2018-11-10 12:25:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 12:25:17,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:17,639 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] [2018-11-10 12:25:17,640 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:17,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:17,640 INFO L82 PathProgramCache]: Analyzing trace with hash 975010462, now seen corresponding path program 1 times [2018-11-10 12:25:17,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:17,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:17,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:17,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:17,641 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:17,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:17,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:25:17,717 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:17,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:25:17,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:25:17,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:25:17,718 INFO L87 Difference]: Start difference. First operand 206 states and 235 transitions. Second operand 6 states. [2018-11-10 12:25:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:17,913 INFO L93 Difference]: Finished difference Result 555 states and 655 transitions. [2018-11-10 12:25:17,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:25:17,916 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-10 12:25:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:17,918 INFO L225 Difference]: With dead ends: 555 [2018-11-10 12:25:17,918 INFO L226 Difference]: Without dead ends: 373 [2018-11-10 12:25:17,922 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 [2018-11-10 12:25:17,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-11-10 12:25:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 367. [2018-11-10 12:25:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-10 12:25:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 420 transitions. [2018-11-10 12:25:17,955 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 420 transitions. Word has length 79 [2018-11-10 12:25:17,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:17,955 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 420 transitions. [2018-11-10 12:25:17,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:25:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 420 transitions. [2018-11-10 12:25:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 12:25:17,956 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:17,956 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] [2018-11-10 12:25:17,956 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:17,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:17,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1830221274, now seen corresponding path program 1 times [2018-11-10 12:25:17,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:17,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:17,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:17,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:17,958 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:18,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:18,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:25:18,024 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:18,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:25:18,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:25:18,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:25:18,025 INFO L87 Difference]: Start difference. First operand 367 states and 420 transitions. Second operand 7 states. [2018-11-10 12:25:18,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:18,519 INFO L93 Difference]: Finished difference Result 402 states and 472 transitions. [2018-11-10 12:25:18,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 12:25:18,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-11-10 12:25:18,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:18,522 INFO L225 Difference]: With dead ends: 402 [2018-11-10 12:25:18,522 INFO L226 Difference]: Without dead ends: 399 [2018-11-10 12:25:18,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-10 12:25:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-10 12:25:18,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2018-11-10 12:25:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-10 12:25:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 419 transitions. [2018-11-10 12:25:18,547 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 419 transitions. Word has length 83 [2018-11-10 12:25:18,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:18,547 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 419 transitions. [2018-11-10 12:25:18,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:25:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 419 transitions. [2018-11-10 12:25:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 12:25:18,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:18,548 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] [2018-11-10 12:25:18,549 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:18,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:18,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1444458595, now seen corresponding path program 1 times [2018-11-10 12:25:18,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:18,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:18,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:18,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:18,550 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:25:18,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:18,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:25:18,609 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:18,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:25:18,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:25:18,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:25:18,610 INFO L87 Difference]: Start difference. First operand 367 states and 419 transitions. Second operand 6 states. [2018-11-10 12:25:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:18,646 INFO L93 Difference]: Finished difference Result 724 states and 846 transitions. [2018-11-10 12:25:18,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:25:18,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-10 12:25:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:18,648 INFO L225 Difference]: With dead ends: 724 [2018-11-10 12:25:18,648 INFO L226 Difference]: Without dead ends: 381 [2018-11-10 12:25:18,649 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:25:18,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-10 12:25:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2018-11-10 12:25:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-10 12:25:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 429 transitions. [2018-11-10 12:25:18,665 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 429 transitions. Word has length 99 [2018-11-10 12:25:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:18,666 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 429 transitions. [2018-11-10 12:25:18,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:25:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 429 transitions. [2018-11-10 12:25:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 12:25:18,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:18,667 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] [2018-11-10 12:25:18,668 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:18,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:18,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1957022363, now seen corresponding path program 1 times [2018-11-10 12:25:18,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:18,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:18,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:18,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:18,669 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:25:18,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:18,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:25:18,760 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:18,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:25:18,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:25:18,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:25:18,761 INFO L87 Difference]: Start difference. First operand 377 states and 429 transitions. Second operand 8 states. [2018-11-10 12:25:18,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:18,797 INFO L93 Difference]: Finished difference Result 744 states and 868 transitions. [2018-11-10 12:25:18,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:25:18,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-10 12:25:18,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:18,799 INFO L225 Difference]: With dead ends: 744 [2018-11-10 12:25:18,799 INFO L226 Difference]: Without dead ends: 391 [2018-11-10 12:25:18,800 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:25:18,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-11-10 12:25:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2018-11-10 12:25:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-10 12:25:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 437 transitions. [2018-11-10 12:25:18,819 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 437 transitions. Word has length 99 [2018-11-10 12:25:18,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:18,819 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 437 transitions. [2018-11-10 12:25:18,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:25:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 437 transitions. [2018-11-10 12:25:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 12:25:18,822 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:18,822 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] [2018-11-10 12:25:18,822 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:18,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:18,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1964781722, now seen corresponding path program 1 times [2018-11-10 12:25:18,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:18,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:18,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:18,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:18,824 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:25:18,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:18,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:25:18,902 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:18,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:25:18,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:25:18,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:25:18,904 INFO L87 Difference]: Start difference. First operand 385 states and 437 transitions. Second operand 4 states. [2018-11-10 12:25:19,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:19,067 INFO L93 Difference]: Finished difference Result 1137 states and 1360 transitions. [2018-11-10 12:25:19,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:25:19,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-10 12:25:19,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:19,071 INFO L225 Difference]: With dead ends: 1137 [2018-11-10 12:25:19,071 INFO L226 Difference]: Without dead ends: 776 [2018-11-10 12:25:19,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:25:19,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2018-11-10 12:25:19,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 761. [2018-11-10 12:25:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2018-11-10 12:25:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 891 transitions. [2018-11-10 12:25:19,099 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 891 transitions. Word has length 99 [2018-11-10 12:25:19,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:19,100 INFO L481 AbstractCegarLoop]: Abstraction has 761 states and 891 transitions. [2018-11-10 12:25:19,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:25:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 891 transitions. [2018-11-10 12:25:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 12:25:19,101 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:19,102 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] [2018-11-10 12:25:19,102 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:19,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:19,102 INFO L82 PathProgramCache]: Analyzing trace with hash -2127970816, now seen corresponding path program 1 times [2018-11-10 12:25:19,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:25:19,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:19,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:19,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:19,103 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:25:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:25:19,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:25:19,233 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:25:19,234 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-10 12:25:19,236 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [52], [53], [54], [69], [72], [74], [78], [84], [88], [92], [95], [100], [103], [108], [111], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [156], [158], [159], [160], [193], [197], [214], [217], [221], [222], [225], [227], [230], [232], [235], [244], [245], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [262], [264], [265], [272], [273], [274], [275], [276], [277], [278], [282], [283], [284], [285], [286], [287], [294], [295], [296], [298], [299], [300], [302], [303], [304], [305], [306] [2018-11-10 12:25:19,283 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:25:19,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:25:25,599 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 12:25:25,600 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 12:25:25,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:25,605 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 12:25:30,411 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 97.17% of their original sizes. [2018-11-10 12:25:30,412 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 12:25:30,910 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-11-10 12:25:30,910 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 12:25:30,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:25:30,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [13] total 38 [2018-11-10 12:25:30,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:25:30,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-10 12:25:30,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-10 12:25:30,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2018-11-10 12:25:30,911 INFO L87 Difference]: Start difference. First operand 761 states and 891 transitions. Second operand 27 states. [2018-11-10 12:26:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:26:01,688 INFO L93 Difference]: Finished difference Result 1698 states and 2027 transitions. [2018-11-10 12:26:01,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-10 12:26:01,688 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 103 [2018-11-10 12:26:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:26:01,691 INFO L225 Difference]: With dead ends: 1698 [2018-11-10 12:26:01,691 INFO L226 Difference]: Without dead ends: 961 [2018-11-10 12:26:01,692 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=1533, Unknown=0, NotChecked=0, Total=1722 [2018-11-10 12:26:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2018-11-10 12:26:01,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 941. [2018-11-10 12:26:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2018-11-10 12:26:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1073 transitions. [2018-11-10 12:26:01,734 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1073 transitions. Word has length 103 [2018-11-10 12:26:01,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:26:01,735 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1073 transitions. [2018-11-10 12:26:01,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-10 12:26:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1073 transitions. [2018-11-10 12:26:01,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:26:01,737 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:26:01,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:26:01,737 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:26:01,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:26:01,738 INFO L82 PathProgramCache]: Analyzing trace with hash -563318808, now seen corresponding path program 1 times [2018-11-10 12:26:01,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:26:01,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:26:01,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:26:01,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:26:01,739 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:26:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:26:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:26:01,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:26:01,812 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:26:01,812 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-10 12:26:01,813 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [42], [44], [45], [48], [52], [53], [54], [57], [59], [65], [69], [72], [73], [74], [78], [84], [88], [92], [95], [100], [103], [106], [108], [111], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [156], [158], [159], [160], [190], [193], [197], [203], [208], [210], [214], [217], [221], [222], [225], [227], [230], [232], [235], [241], [243], [244], [245], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [292], [293], [294], [295], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306] [2018-11-10 12:26:01,817 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:26:01,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:26:52,747 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 12:26:52,747 INFO L272 AbstractInterpreter]: Visited 102 different actions 417 times. Merged at 13 different actions 45 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-10 12:26:52,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:26:52,751 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 12:27:10,663 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 96.68% of their original sizes. [2018-11-10 12:27:10,663 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 12:27:12,523 INFO L415 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-11-10 12:27:12,523 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 12:27:12,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:27:12,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [43] imperfect sequences [5] total 46 [2018-11-10 12:27:12,523 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:27:12,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-11-10 12:27:12,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-11-10 12:27:12,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2018-11-10 12:27:12,524 INFO L87 Difference]: Start difference. First operand 941 states and 1073 transitions. Second operand 43 states. [2018-11-10 12:28:12,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:28:12,291 INFO L93 Difference]: Finished difference Result 2600 states and 3060 transitions. [2018-11-10 12:28:12,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-11-10 12:28:12,291 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 159 [2018-11-10 12:28:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:28:12,297 INFO L225 Difference]: With dead ends: 2600 [2018-11-10 12:28:12,297 INFO L226 Difference]: Without dead ends: 1859 [2018-11-10 12:28:12,301 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 210 GetRequests, 102 SyntacticMatches, 15 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2814 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=666, Invalid=8264, Unknown=0, NotChecked=0, Total=8930 [2018-11-10 12:28:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states. [2018-11-10 12:28:12,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 1766. [2018-11-10 12:28:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1766 states. [2018-11-10 12:28:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2019 transitions. [2018-11-10 12:28:12,431 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2019 transitions. Word has length 159 [2018-11-10 12:28:12,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:28:12,431 INFO L481 AbstractCegarLoop]: Abstraction has 1766 states and 2019 transitions. [2018-11-10 12:28:12,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-11-10 12:28:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2019 transitions. [2018-11-10 12:28:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 12:28:12,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:28:12,434 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:28:12,434 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:28:12,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:28:12,434 INFO L82 PathProgramCache]: Analyzing trace with hash -231913212, now seen corresponding path program 1 times [2018-11-10 12:28:12,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:28:12,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:28:12,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:28:12,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:28:12,435 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:28:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:28:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:28:12,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:28:12,566 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:28:12,567 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-10 12:28:12,567 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [42], [44], [45], [48], [52], [53], [54], [57], [59], [65], [69], [72], [73], [74], [78], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [156], [158], [159], [160], [190], [193], [197], [203], [206], [210], [214], [217], [221], [222], [225], [227], [230], [232], [235], [241], [243], [244], [245], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [292], [293], [294], [295], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306] [2018-11-10 12:28:12,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:28:12,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:31:41,967 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 12:31:41,967 INFO L272 AbstractInterpreter]: Visited 116 different actions 2235 times. Merged at 21 different actions 205 times. Widened at 1 different actions 2 times. Found 41 fixpoints after 7 different actions. Largest state had 132 variables. [2018-11-10 12:31:41,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:31:41,969 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 12:32:21,839 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 96.85% of their original sizes. [2018-11-10 12:32:21,839 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 12:32:23,864 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-10 12:32:23,865 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 12:32:23,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:32:23,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [55] imperfect sequences [13] total 66 [2018-11-10 12:32:23,865 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:32:23,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-11-10 12:32:23,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-11-10 12:32:23,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=2657, Unknown=0, NotChecked=0, Total=2970 [2018-11-10 12:32:23,866 INFO L87 Difference]: Start difference. First operand 1766 states and 2019 transitions. Second operand 55 states. [2018-11-10 12:33:35,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:33:35,007 INFO L93 Difference]: Finished difference Result 3523 states and 4301 transitions. [2018-11-10 12:33:35,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-11-10 12:33:35,007 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 155 [2018-11-10 12:33:35,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:33:35,008 INFO L225 Difference]: With dead ends: 3523 [2018-11-10 12:33:35,008 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:33:35,017 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 250 GetRequests, 95 SyntacticMatches, 6 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7776 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1774, Invalid=20876, Unknown=0, NotChecked=0, Total=22650 [2018-11-10 12:33:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:33:35,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:33:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:33:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:33:35,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-10 12:33:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:33:35,018 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:33:35,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-11-10 12:33:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:33:35,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:33:35,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:33:35,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:35,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:35,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:35,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:36,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:36,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:36,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,050 WARN L179 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 357 [2018-11-10 12:33:37,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:37,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:38,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:38,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:38,322 WARN L179 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 357 [2018-11-10 12:33:38,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:38,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:38,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:39,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:39,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:39,385 WARN L179 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 369 [2018-11-10 12:33:39,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:40,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:40,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:33:40,129 WARN L179 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 349 [2018-11-10 12:33:40,750 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 21 [2018-11-10 12:33:41,574 WARN L179 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 50 [2018-11-10 12:33:41,717 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 1 [2018-11-10 12:33:42,450 WARN L179 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 48 [2018-11-10 12:33:42,581 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2018-11-10 12:33:42,791 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 1 [2018-11-10 12:33:42,894 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 38 [2018-11-10 12:33:42,995 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 38 [2018-11-10 12:33:43,160 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2018-11-10 12:33:44,994 WARN L179 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 383 DAG size of output: 98 [2018-11-10 12:33:45,290 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 1 [2018-11-10 12:33:45,924 WARN L179 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 34 [2018-11-10 12:33:46,567 WARN L179 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 49 [2018-11-10 12:33:46,795 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 24 [2018-11-10 12:33:47,740 WARN L179 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 36 [2018-11-10 12:33:48,800 WARN L179 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 302 DAG size of output: 83 [2018-11-10 12:33:49,029 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 18 [2018-11-10 12:33:49,649 WARN L179 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 50 [2018-11-10 12:33:50,073 WARN L179 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 40 [2018-11-10 12:33:50,608 WARN L179 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 41 [2018-11-10 12:33:52,311 WARN L179 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 358 DAG size of output: 101 [2018-11-10 12:33:52,635 WARN L179 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 47 [2018-11-10 12:33:53,338 WARN L179 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 57 [2018-11-10 12:33:53,598 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 33 [2018-11-10 12:33:53,844 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 1 [2018-11-10 12:33:54,762 WARN L179 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 34 [2018-11-10 12:33:54,903 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 1 [2018-11-10 12:33:55,218 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2018-11-10 12:33:55,447 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 24 [2018-11-10 12:33:56,080 WARN L179 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 58 [2018-11-10 12:33:57,454 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 446 DAG size of output: 32 [2018-11-10 12:33:57,767 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2018-11-10 12:33:58,876 WARN L179 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 336 DAG size of output: 79 [2018-11-10 12:33:59,352 WARN L179 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 37 [2018-11-10 12:34:00,117 WARN L179 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 37 [2018-11-10 12:34:00,272 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2018-11-10 12:34:01,074 WARN L179 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 63 [2018-11-10 12:34:01,605 WARN L179 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 31 [2018-11-10 12:34:03,227 WARN L179 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 376 DAG size of output: 93 [2018-11-10 12:34:03,230 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2018-11-10 12:34:03,230 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2018-11-10 12:34:03,230 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2018-11-10 12:34:03,230 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2018-11-10 12:34:03,230 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2018-11-10 12:34:03,230 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) 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)|))) [2018-11-10 12:34:03,230 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-11-10 12:34:03,230 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-11-10 12:34:03,230 INFO L421 ceAbstractionStarter]: At program point L267(line 267) 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)|))) [2018-11-10 12:34:03,230 INFO L421 ceAbstractionStarter]: At program point L267-1(line 267) 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)|))) [2018-11-10 12:34:03,231 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-11-10 12:34:03,231 INFO L425 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-11-10 12:34:03,231 INFO L425 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-11-10 12:34:03,231 INFO L421 ceAbstractionStarter]: At program point L262(line 262) 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)|))) [2018-11-10 12:34:03,231 INFO L421 ceAbstractionStarter]: At program point L261(line 261) 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)|))) [2018-11-10 12:34:03,231 INFO L421 ceAbstractionStarter]: At program point L261-1(line 261) 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)|))) [2018-11-10 12:34:03,231 INFO L421 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (+ ~methaneLevelCritical~0 1))) (or (and (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse1)) (< 1 .cse2) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse2 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| .cse1)))) [2018-11-10 12:34:03,231 INFO L425 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2018-11-10 12:34:03,231 INFO L421 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (and (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (let ((.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (< 1 .cse1) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse1 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))) (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~6)) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0)))) [2018-11-10 12:34:03,232 INFO L421 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse7 (+ |old(~pumpRunning~0)| 1)) (.cse8 (+ ~methaneLevelCritical~0 ~systemActive~0))) (let ((.cse0 (* 2 processEnvironment__wrappee__methaneQuery_~tmp~6)) (.cse2 (< 1 .cse8)) (.cse3 (< 2 (* 2 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< .cse7 ~systemActive~0)) (.cse4 (< .cse8 1)) (.cse6 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 (+ ~methaneLevelCritical~0 processEnvironment__wrappee__methaneQuery_~tmp~6)) (= 0 ~pumpRunning~0) (<= .cse0 2)) .cse1 (< (* 2 ~systemActive~0) 2)) (or .cse2 .cse3 .cse4 .cse5 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (and (<= (+ processEnvironment__wrappee__methaneQuery_~tmp~6 1) ~waterLevel~0) (<= 2 .cse0)) .cse2 .cse1 .cse3 .cse4 .cse6 .cse5 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse4 .cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (not (= ~waterLevel~0 1)) (< ~systemActive~0 .cse7) (< ~systemActive~0 ~methaneLevelCritical~0) .cse1 .cse4 .cse6)))) [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) (let ((.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (< 1 .cse1) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse1 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (+ ~methaneLevelCritical~0 1))) (or (and (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse1)) (< 1 .cse2) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse2 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| .cse1)))) [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2018-11-10 12:34:03,232 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) 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)|))) [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-11-10 12:34:03,232 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L428 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse0 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1))) (and (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< (* 2 ~systemActive~0) 2) .cse0 .cse1) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse2 1)))) [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2018-11-10 12:34:03,233 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse2 (< (* 2 ~systemActive~0) 2))) (and (let ((.cse0 (+ ~methaneLevelCritical~0 1))) (or (and (<= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (<= 0 (* 2 processEnvironment_~tmp~7)) (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1 (< |old(~pumpRunning~0)| .cse0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (< (* 2 |old(~pumpRunning~0)|) 2) .cse1) (let ((.cse3 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse3 ~systemActive~0) .cse2 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse3 ~methaneLevelCritical~0))))) [2018-11-10 12:34:03,233 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse2 1)) (let ((.cse3 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 1 .cse3) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse3 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-11-10 12:34:03,233 INFO L421 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse2 (< (* 2 ~systemActive~0) 2)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (< 1 .cse0) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse0 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))) (let ((.cse1 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse1 ~systemActive~0) .cse2 (< .cse3 0) (< .cse1 ~methaneLevelCritical~0))) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (<= (+ processEnvironment_~tmp~7 ~pumpRunning~0) 2) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse2 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse3 1)))) [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse2 1)) (let ((.cse3 (+ ~methaneLevelCritical~0 ~systemActive~0))) (or (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 1 .cse3) (< 2 (* 2 |old(~pumpRunning~0)|)) (< .cse3 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2018-11-10 12:34:03,234 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 680 743) 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)|))) [2018-11-10 12:34:03,234 INFO L421 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (and (= 0 ~pumpRunning~0) .cse0) (<= 2 (* 2 ~methaneLevelCritical~0)) (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2)) (and (= 0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~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)))) [2018-11-10 12:34:03,234 INFO L421 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) .cse0) (let ((.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (<= 1 .cse1) (= 0 ~pumpRunning~0) (<= .cse1 2) .cse0)) (< 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)))) [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2018-11-10 12:34:03,234 INFO L425 ceAbstractionStarter]: For program point L690-1(lines 690 735) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L421 ceAbstractionStarter]: At program point L736(lines 689 737) 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)|))) [2018-11-10 12:34:03,235 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 730) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L421 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (or (let ((.cse0 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (<= 1 .cse0) (<= 0 (* 2 ~pumpRunning~0)) (<= .cse0 2) (= test_~splverifierCounter~0 0) (<= ~pumpRunning~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))) [2018-11-10 12:34:03,235 INFO L425 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L425 ceAbstractionStarter]: For program point L720(lines 720 731) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L421 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0))) (or (let ((.cse0 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (<= 1 .cse0) (= 0 ~pumpRunning~0) (<= .cse0 2) .cse1)) (and (= 0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~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)))) [2018-11-10 12:34:03,235 INFO L425 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L425 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2018-11-10 12:34:03,235 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0))) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L421 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2018-11-10 12:34:03,236 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse0 ~methaneLevelCritical~0))) [2018-11-10 12:34:03,237 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse5 (+ |old(~pumpRunning~0)| 1))) (let ((.cse3 (< (* 2 ~systemActive~0) 2)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< .cse5 ~systemActive~0)) (.cse4 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or (< 1 .cse4) (< ~systemActive~0 .cse5) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse3 (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (and (<= activatePump_~tmp~8 ~methaneLevelCritical~0) (<= 1 (+ ~systemActive~0 activatePump_~tmp~8))) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (< .cse4 1) (not (= ~methaneLevelCritical~0 0)))))) [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L428 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L931(lines 931 935) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (< (+ ~pumpRunning~0 1) ~systemActive~0))) (and (or (and (<= 2 (* 2 ~methaneLevelCritical~0)) (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2)) (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (< (* 2 ~systemActive~0) 2)) (or (= 0 ~methaneLevelCritical~0) .cse0 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (not (= |old(~methaneLevelCritical~0)| 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0))))) [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-10 12:34:03,237 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-10 12:34:03,238 INFO L428 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-11-10 12:34:03,238 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-11-10 12:34:03,238 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 189 203) no Hoare annotation was computed. [2018-11-10 12:34:03,238 INFO L428 ceAbstractionStarter]: At program point L189-3(lines 189 203) the Hoare annotation is: true [2018-11-10 12:34:03,238 INFO L428 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-11-10 12:34:03,238 INFO L425 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-11-10 12:34:03,238 INFO L428 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-11-10 12:34:03,238 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-10 12:34:03,238 INFO L421 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse16 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse20 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse22 (+ |old(~pumpRunning~0)| 1)) (.cse21 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< .cse21 0)) (.cse5 (< .cse22 ~methaneLevelCritical~0)) (.cse10 (not .cse0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (< .cse22 ~systemActive~0)) (.cse8 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse12 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< (* 2 ~systemActive~0) 2)) (.cse18 (< 3 .cse20)) (.cse19 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse15 (< ~systemActive~0 .cse22)) (.cse17 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse7 (< .cse16 1)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse13 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse14 (< .cse21 1))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 .cse9 .cse10 (< 0 (* 2 |old(~pumpRunning~0)|))) (or .cse11 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse3 .cse12 .cse13 .cse14) (or .cse10 .cse15 (< .cse16 2) .cse17 .cse6 .cse2 .cse8) (or .cse0 (<= ~systemActive~0 ~waterLevel~0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse12 .cse3 .cse13 .cse18) (or (and (<= 1 .cse19) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse12 .cse3 .cse13 .cse14 .cse18 (< .cse20 1)) (or (and (<= .cse19 2) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (not (= ~systemActive~0 1)) .cse15 (< .cse20 3) .cse17 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or .cse7 .cse11 .cse9 .cse13 .cse14)))) [2018-11-10 12:34:03,238 INFO L421 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse24 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse20 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse25 (+ ~methaneLevelCritical~0 1)) (.cse10 (+ |old(~pumpRunning~0)| 1)) (.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse9 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not .cse6)) (.cse1 (< ~systemActive~0 .cse10)) (.cse4 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse12 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse21 (<= .cse25 ~waterLevel~0)) (.cse16 (< |old(~pumpRunning~0)| .cse25)) (.cse18 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< .cse10 ~systemActive~0)) (.cse3 (< .cse20 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse13 (* 2 |old(~pumpRunning~0)|)) (.cse11 (<= 1 .cse24)) (.cse23 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2)) (.cse19 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< (* 2 ~systemActive~0) 2)) (.cse14 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse15 (< 3 .cse17)) (.cse22 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= ~waterLevel~0 1)) .cse6 .cse7 .cse2 .cse8 (< .cse9 0) (< .cse10 ~methaneLevelCritical~0)) (or (and .cse11 .cse12) (< 2 .cse13) .cse3 .cse14 (< .cse9 1) .cse15 .cse16 (< .cse17 1)) (or .cse18 .cse19 .cse7 .cse2 .cse8) (or .cse0 .cse1 (< .cse20 2) (< ~systemActive~0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) .cse2 .cse4) (or (and (<= ~waterLevel~0 ~systemActive~0) .cse21) (< 1 .cse20) .cse1 .cse2 .cse3 .cse4 .cse5 .cse22 (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse12 (= ~pumpRunning~0 1))) (or .cse21 .cse23 .cse3 .cse5 .cse14 .cse15 .cse16) (or .cse18 .cse2 .cse3 (and (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (<= ~pumpRunning~0 ~systemActive~0)) .cse5 .cse14) (or .cse19 .cse8 (< .cse13 2) .cse14 (= 0 ~pumpRunning~0)) (or (and (<= .cse24 2) .cse11) .cse6 .cse23 .cse19 .cse8 .cse14 .cse15 .cse22)))) [2018-11-10 12:34:03,239 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse13 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (+ ~methaneLevelCritical~0 1)) (.cse15 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (.cse8 (< .cse15 1)) (.cse0 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2)) (.cse11 (< |old(~pumpRunning~0)| .cse3)) (.cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse5 (< 3 .cse15)) (.cse10 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse9 (< .cse13 1))) (and (or (= |old(~waterLevel~0)| 1) .cse0 .cse1 .cse2 (<= .cse3 ~waterLevel~0) .cse4 .cse5 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or .cse6 .cse1 .cse7 .cse2 .cse4 .cse5 .cse8) (or (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse2 .cse7 .cse4 .cse9) (or .cse6 (< 2 (* 2 |old(~pumpRunning~0)|)) .cse10 .cse4 .cse9 .cse5 .cse11 .cse8) (let ((.cse12 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse12 ~systemActive~0) .cse2 (< .cse13 0) (< .cse12 ~methaneLevelCritical~0))) (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0 .cse10 .cse14 .cse4 .cse5 .cse11) (or (<= ~systemActive~0 ~waterLevel~0) .cse7 .cse2 (< |old(~waterLevel~0)| ~systemActive~0) .cse4 .cse9 .cse5) (or .cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse14 .cse4 .cse9)))) [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse26 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse21 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse24 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse1 (= |old(~waterLevel~0)| 1)) (.cse27 (+ |old(~pumpRunning~0)| 1)) (.cse28 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< .cse28 0)) (.cse6 (< .cse27 ~methaneLevelCritical~0)) (.cse11 (not .cse1)) (.cse7 (= 1 ~waterLevel~0)) (.cse13 (<= ~pumpRunning~0 ~systemActive~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse20 (< ~systemActive~0 .cse27)) (.cse22 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse16 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< (* 2 ~systemActive~0) 2)) (.cse9 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse23 (< .cse28 1)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< .cse27 ~systemActive~0)) (.cse14 (<= 1 .cse24)) (.cse15 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse8 (< .cse21 1)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse17 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse18 (< 3 .cse26)) (.cse25 (+ ~methaneLevelCritical~0 1)) (.cse19 (< .cse26 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse5 .cse10 .cse11 (< 0 (* 2 |old(~pumpRunning~0)|))) (or .cse12 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) .cse13 .cse14 .cse15) (not (= ~methaneLevelCritical~0 1)) .cse16 .cse4 .cse17 .cse18 .cse19) (or .cse11 .cse20 (< .cse21 2) .cse22 .cse7 .cse3 .cse9) (or .cse1 (and .cse13 .cse0 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) .cse4 .cse16 .cse17 .cse23) (or (and (<= .cse24 2) (<= .cse25 ~waterLevel~0)) (not (= ~systemActive~0 1)) .cse20 (< .cse26 3) .cse22 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (<= ~systemActive~0 ~waterLevel~0) .cse16 .cse4 .cse9 .cse17 .cse23 .cse18) (or .cse12 .cse3 .cse8 .cse10 .cse17) (or (and .cse14 .cse15) .cse8 .cse10 .cse17 .cse18 (< |old(~pumpRunning~0)| .cse25) .cse19)))) [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse10 (+ ~methaneLevelCritical~0 1)) (.cse12 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~pumpRunning~0 ~methaneLevelCritical~0)) (.cse3 (< (* 2 ~systemActive~0) 2)) (.cse0 (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (.cse7 (< 2 (* 2 ~pumpRunning~0))) (.cse8 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse11 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1)) (.cse5 (< 3 .cse12)) (.cse9 (< ~pumpRunning~0 .cse10)) (.cse6 (< .cse12 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse7 .cse8 .cse5 .cse9) (or (< |old(~waterLevel~0)| .cse10) .cse1 .cse2 .cse3 (<= .cse10 ~waterLevel~0) .cse4 .cse5) (or (<= ~systemActive~0 ~waterLevel~0) .cse2 .cse3 (< |old(~waterLevel~0)| ~systemActive~0) .cse4 .cse11 .cse5) (or .cse0 .cse7 .cse8 .cse4 .cse11 .cse5 .cse9 .cse6)))) [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:34:03,239 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)) [2018-11-10 12:34:03,239 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-10 12:34:03,239 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse6 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse16 (* 2 ~pumpRunning~0)) (.cse18 (+ ~methaneLevelCritical~0 1)) (.cse19 (+ ~pumpRunning~0 1))) (let ((.cse9 (< .cse19 ~systemActive~0)) (.cse8 (= 1 ~waterLevel~0)) (.cse10 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse11 (<= .cse18 ~waterLevel~0)) (.cse13 (not (= ~systemActive~0 1))) (.cse5 (< ~systemActive~0 .cse19)) (.cse14 (< .cse18 |old(~waterLevel~0)|)) (.cse7 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse12 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (< 2 .cse16)) (.cse1 (< .cse6 1)) (.cse15 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse2 (< 3 .cse17)) (.cse3 (< ~pumpRunning~0 .cse18))) (and (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (< .cse6 2) .cse7 .cse8 .cse9 .cse10) (or (< 1 .cse6) .cse11 .cse0 .cse1 .cse10 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) .cse3) (or (<= .cse12 2) .cse13 .cse5 .cse14 .cse7 .cse9 .cse10) (or .cse8 .cse1 .cse10 (< .cse15 0) (not (= ~methaneLevelCritical~0 0)) .cse4 (< 0 .cse16)) (or .cse11 .cse13 .cse5 (< .cse17 3) .cse14 .cse7 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse12) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< .cse15 1) .cse2 .cse3 (< .cse17 1))))) [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L421 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L428 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-10 12:34:03,240 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2018-11-10 12:34:03,240 INFO L421 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (and (let ((.cse0 (+ ~pumpRunning~0 1))) (or (not (= 0 ~pumpRunning~0)) (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (< .cse0 ~methaneLevelCritical~0))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)))) [2018-11-10 12:34:03,241 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2018-11-10 12:34:03,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:34:03 BoogieIcfgContainer [2018-11-10 12:34:03,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:34:03,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:34:03,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:34:03,252 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:34:03,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:25:16" (3/4) ... [2018-11-10 12:34:03,255 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:34:03,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:34:03,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:34:03,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 12:34:03,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:34:03,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:34:03,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 12:34:03,271 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2018-11-10 12:34:03,271 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:34:03,272 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:34:03,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2 * methaneLevelCritical <= 0 && pumpRunning <= methaneLevelCritical + 1) && 1 <= methaneLevelCritical + pumpRunning) && splverifierCounter == 0) || (((1 <= methaneLevelCritical + systemActive && 0 == pumpRunning) && methaneLevelCritical + systemActive <= 2) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) [2018-11-10 12:34:03,294 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) [2018-11-10 12:34:03,331 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d3e45bb-2cd2-4e27-abe9-dbc882937cc0/bin-2019/utaipan/witness.graphml [2018-11-10 12:34:03,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:34:03,332 INFO L168 Benchmark]: Toolchain (without parser) took 528015.08 ms. Allocated memory was 1.0 GB in the beginning and 6.0 GB in the end (delta: 4.9 GB). Free memory was 958.2 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,332 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:34:03,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.75 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 931.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,333 INFO L168 Benchmark]: Boogie Preprocessor took 25.87 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,333 INFO L168 Benchmark]: RCFGBuilder took 585.05 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: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,333 INFO L168 Benchmark]: TraceAbstraction took 526923.79 ms. Allocated memory was 1.2 GB in the beginning and 6.0 GB in the end (delta: 4.8 GB). Free memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.9 GB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,333 INFO L168 Benchmark]: Witness Printer took 79.34 ms. Allocated memory is still 6.0 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-11-10 12:34:03,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.75 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 931.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.87 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 585.05 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: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 526923.79 ms. Allocated memory was 1.2 GB in the beginning and 6.0 GB in the end (delta: 4.8 GB). Free memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.9 GB. Max. memory is 11.5 GB. * Witness Printer took 79.34 ms. Allocated memory is still 6.0 GB. Free memory was 3.3 GB in the beginning and 3.3 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: 145]: 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: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((2 * methaneLevelCritical <= 0 && pumpRunning <= methaneLevelCritical + 1) && 1 <= methaneLevelCritical + pumpRunning) && splverifierCounter == 0) || (((1 <= methaneLevelCritical + systemActive && 0 == pumpRunning) && methaneLevelCritical + systemActive <= 2) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 689]: 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: 189]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 145 locations, 1 error locations. SAFE Result, 526.8s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 163.2s AutomataDifference, 0.0s DeadEndRemovalTime, 28.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2397 SDtfs, 3625 SDslu, 15223 SDs, 0 SdLazy, 14612 SolverSat, 1276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 113.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 666 GetRequests, 316 SyntacticMatches, 22 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10963 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1766occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 266.7s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9934385972031824 AbsIntWeakeningRatio, 0.9106280193236715 AbsIntAvgWeakeningVarsNumRemoved, 6101.258454106281 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 195 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2831 PreInvPairs, 3110 NumberOfFragments, 3882 HoareAnnotationTreeSize, 2831 FomulaSimplifications, 76432 FormulaSimplificationTreeSizeReduction, 5.4s HoareSimplificationTime, 60 FomulaSimplificationsInter, 429071 FormulaSimplificationTreeSizeReductionInter, 22.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1087 NumberOfCodeBlocks, 1087 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1075 ConstructedInterpolants, 0 QuantifiedInterpolants, 168013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 106/114 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...