./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:11:59,118 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:11:59,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:11:59,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:11:59,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:11:59,126 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:11:59,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:11:59,128 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:11:59,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:11:59,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:11:59,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:11:59,130 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:11:59,131 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:11:59,131 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:11:59,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:11:59,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:11:59,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:11:59,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:11:59,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:11:59,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:11:59,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:11:59,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:11:59,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:11:59,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:11:59,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:11:59,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:11:59,139 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:11:59,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:11:59,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:11:59,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:11:59,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:11:59,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:11:59,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:11:59,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:11:59,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:11:59,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:11:59,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:11:59,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:11:59,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:11:59,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:11:59,152 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:11:59,152 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:11:59,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:11:59,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:11:59,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:11:59,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:11:59,154 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:11:59,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:11:59,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:11:59,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:11:59,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:11:59,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:11:59,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:11:59,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:11:59,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:11:59,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:11:59,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:11:59,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:11:59,157 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:11:59,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:11:59,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:11:59,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:11:59,157 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_55871601-e623-48e7-8e19-a72e0df9b84a/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-11-18 16:11:59,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:11:59,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:11:59,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:11:59,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:11:59,194 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:11:59,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-18 16:11:59,238 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/data/a8a27890d/fe1b2903604348beba3ce1db7a647a5c/FLAGa5ebf1e2f [2018-11-18 16:11:59,671 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:11:59,672 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-18 16:11:59,679 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/data/a8a27890d/fe1b2903604348beba3ce1db7a647a5c/FLAGa5ebf1e2f [2018-11-18 16:11:59,689 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/data/a8a27890d/fe1b2903604348beba3ce1db7a647a5c [2018-11-18 16:11:59,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:11:59,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:11:59,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:11:59,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:11:59,696 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:11:59,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:11:59" (1/1) ... [2018-11-18 16:11:59,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:11:59, skipping insertion in model container [2018-11-18 16:11:59,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:11:59" (1/1) ... [2018-11-18 16:11:59,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:11:59,741 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:11:59,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:11:59,943 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:12:00,036 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:00,052 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:12:00,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00 WrapperNode [2018-11-18 16:12:00,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:00,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:12:00,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:12:00,053 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:12:00,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:12:00,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:12:00,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:12:00,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:12:00,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... [2018-11-18 16:12:00,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:12:00,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:12:00,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:12:00,103 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:12:00,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/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 [2018-11-18 16:12:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:12:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:12:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:12:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:12:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:12:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:12:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:12:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:12:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:12:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:12:00,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:12:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:12:00,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:12:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:12:00,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:12:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:12:00,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:12:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:12:00,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:12:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:12:00,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:12:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:12:00,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:12:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:12:00,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:12:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:12:00,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:12:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:12:00,143 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:12:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 16:12:00,143 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 16:12:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:12:00,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:12:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:12:00,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:12:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:12:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:12:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:12:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:12:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:12:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:12:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:12:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:12:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:12:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:12:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:12:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:12:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:12:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:12:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:12:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:12:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:12:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:12:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:12:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:12:00,563 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:12:00,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:00 BoogieIcfgContainer [2018-11-18 16:12:00,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:12:00,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:12:00,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:12:00,567 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:12:00,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:11:59" (1/3) ... [2018-11-18 16:12:00,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d4db89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:00, skipping insertion in model container [2018-11-18 16:12:00,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:00" (2/3) ... [2018-11-18 16:12:00,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d4db89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:00, skipping insertion in model container [2018-11-18 16:12:00,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:00" (3/3) ... [2018-11-18 16:12:00,569 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:00,577 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:12:00,584 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:12:00,597 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:12:00,622 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:12:00,622 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:12:00,622 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:12:00,622 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:12:00,622 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:12:00,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:12:00,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:12:00,623 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:12:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-18 16:12:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:12:00,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:00,643 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] [2018-11-18 16:12:00,646 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:00,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:00,650 INFO L82 PathProgramCache]: Analyzing trace with hash -62756774, now seen corresponding path program 1 times [2018-11-18 16:12:00,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:00,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:00,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:00,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:00,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:00,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:00,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:12:00,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:00,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:12:00,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:12:00,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:12:00,870 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-18 16:12:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:00,892 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2018-11-18 16:12:00,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:12:00,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 16:12:00,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:00,900 INFO L225 Difference]: With dead ends: 256 [2018-11-18 16:12:00,900 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 16:12:00,903 INFO L604 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 [2018-11-18 16:12:00,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 16:12:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-18 16:12:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-18 16:12:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-11-18 16:12:00,933 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 46 [2018-11-18 16:12:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:00,933 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-11-18 16:12:00,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:12:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-11-18 16:12:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 16:12:00,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:00,935 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] [2018-11-18 16:12:00,936 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:00,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash -224972895, now seen corresponding path program 1 times [2018-11-18 16:12:00,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:00,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:00,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:00,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:00,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:01,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:01,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:12:01,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:01,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:12:01,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:12:01,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:12:01,021 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2018-11-18 16:12:01,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:01,038 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-11-18 16:12:01,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:12:01,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 16:12:01,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:01,039 INFO L225 Difference]: With dead ends: 199 [2018-11-18 16:12:01,040 INFO L226 Difference]: Without dead ends: 118 [2018-11-18 16:12:01,040 INFO L604 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 [2018-11-18 16:12:01,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-18 16:12:01,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-18 16:12:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-18 16:12:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-18 16:12:01,049 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 48 [2018-11-18 16:12:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:01,050 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-18 16:12:01,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:12:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-18 16:12:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:12:01,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:01,051 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] [2018-11-18 16:12:01,051 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:01,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:01,051 INFO L82 PathProgramCache]: Analyzing trace with hash 338061810, now seen corresponding path program 1 times [2018-11-18 16:12:01,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:01,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:01,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:01,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:01,052 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:01,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:01,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:12:01,163 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:01,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:12:01,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:12:01,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:12:01,164 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-11-18 16:12:01,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:01,417 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-11-18 16:12:01,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:01,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 16:12:01,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:01,418 INFO L225 Difference]: With dead ends: 212 [2018-11-18 16:12:01,418 INFO L226 Difference]: Without dead ends: 118 [2018-11-18 16:12:01,418 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-18 16:12:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-18 16:12:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-18 16:12:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-11-18 16:12:01,426 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 53 [2018-11-18 16:12:01,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:01,426 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-11-18 16:12:01,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:12:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-11-18 16:12:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 16:12:01,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:01,428 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] [2018-11-18 16:12:01,428 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:01,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:01,428 INFO L82 PathProgramCache]: Analyzing trace with hash 864898616, now seen corresponding path program 1 times [2018-11-18 16:12:01,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:01,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:01,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:01,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:01,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:01,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:01,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:12:01,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:01,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:12:01,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:12:01,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:01,547 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 10 states. [2018-11-18 16:12:02,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:02,161 INFO L93 Difference]: Finished difference Result 380 states and 461 transitions. [2018-11-18 16:12:02,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 16:12:02,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2018-11-18 16:12:02,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:02,166 INFO L225 Difference]: With dead ends: 380 [2018-11-18 16:12:02,166 INFO L226 Difference]: Without dead ends: 286 [2018-11-18 16:12:02,167 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:12:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-11-18 16:12:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2018-11-18 16:12:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-18 16:12:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 333 transitions. [2018-11-18 16:12:02,195 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 333 transitions. Word has length 66 [2018-11-18 16:12:02,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:02,195 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 333 transitions. [2018-11-18 16:12:02,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:12:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 333 transitions. [2018-11-18 16:12:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 16:12:02,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:02,198 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:02,199 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:02,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:02,199 INFO L82 PathProgramCache]: Analyzing trace with hash 801785170, now seen corresponding path program 1 times [2018-11-18 16:12:02,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:02,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:02,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:02,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:02,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:02,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:02,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:12:02,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:02,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:12:02,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:12:02,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:12:02,264 INFO L87 Difference]: Start difference. First operand 282 states and 333 transitions. Second operand 3 states. [2018-11-18 16:12:02,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:02,282 INFO L93 Difference]: Finished difference Result 437 states and 526 transitions. [2018-11-18 16:12:02,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:12:02,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-11-18 16:12:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:02,286 INFO L225 Difference]: With dead ends: 437 [2018-11-18 16:12:02,287 INFO L226 Difference]: Without dead ends: 179 [2018-11-18 16:12:02,288 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:12:02,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-18 16:12:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-11-18 16:12:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-18 16:12:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 197 transitions. [2018-11-18 16:12:02,299 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 197 transitions. Word has length 70 [2018-11-18 16:12:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:02,300 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 197 transitions. [2018-11-18 16:12:02,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:12:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 197 transitions. [2018-11-18 16:12:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 16:12:02,301 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:02,301 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 16:12:02,301 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:02,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:02,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1092518588, now seen corresponding path program 1 times [2018-11-18 16:12:02,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:02,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:02,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:02,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:02,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:12:02,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:02,411 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:12:02,412 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-11-18 16:12:02,413 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [78], [93], [96], [97], [98], [102], [108], [112], [116], [119], [124], [130], [132], [138], [141], [153], [154], [155], [156], [196], [200], [206], [216], [224], [228], [229], [232], [233], [234], [235], [236], [238], [239], [240], [241], [242], [243], [244], [245], [246], [254], [255], [258], [268], [269], [270], [271], [276], [277], [286], [287], [288], [289], [290], [291], [292] [2018-11-18 16:12:02,437 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:12:02,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:12:02,865 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:12:02,866 INFO L272 AbstractInterpreter]: Visited 75 different actions 84 times. Merged at 6 different actions 6 times. Never widened. Performed 2891 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2891 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 16:12:02,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:02,892 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:12:02,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:02,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:12:02,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:02,903 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:12:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:03,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:12:03,116 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:12:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 16:12:03,446 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:12:03,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-11-18 16:12:03,446 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:12:03,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 16:12:03,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 16:12:03,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-18 16:12:03,447 INFO L87 Difference]: Start difference. First operand 179 states and 197 transitions. Second operand 12 states. [2018-11-18 16:12:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:03,862 INFO L93 Difference]: Finished difference Result 231 states and 255 transitions. [2018-11-18 16:12:03,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:12:03,867 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2018-11-18 16:12:03,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:03,867 INFO L225 Difference]: With dead ends: 231 [2018-11-18 16:12:03,868 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:12:03,868 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 225 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:12:03,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:12:03,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:12:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:12:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:12:03,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2018-11-18 16:12:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:03,869 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:12:03,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 16:12:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:12:03,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:12:03,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:12:04,697 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2018-11-18 16:12:04,697 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2018-11-18 16:12:04,697 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2018-11-18 16:12:04,697 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2018-11-18 16:12:04,698 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2018-11-18 16:12:04,698 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2018-11-18 16:12:04,698 INFO L421 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,698 INFO L425 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2018-11-18 16:12:04,698 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,698 INFO L425 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-11-18 16:12:04,698 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2018-11-18 16:12:04,698 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2018-11-18 16:12:04,698 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2018-11-18 16:12:04,698 INFO L428 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2018-11-18 16:12:04,699 INFO L425 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-11-18 16:12:04,699 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,699 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,699 INFO L421 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,699 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2018-11-18 16:12:04,699 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2018-11-18 16:12:04,699 INFO L425 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2018-11-18 16:12:04,699 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2018-11-18 16:12:04,699 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,699 INFO L421 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,700 INFO L421 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,700 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2018-11-18 16:12:04,700 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,700 INFO L425 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2018-11-18 16:12:04,700 INFO L421 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,700 INFO L421 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,700 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2018-11-18 16:12:04,700 INFO L421 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,700 INFO L425 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L428 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2018-11-18 16:12:04,701 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2018-11-18 16:12:04,702 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L428 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L421 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2018-11-18 16:12:04,702 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2018-11-18 16:12:04,703 INFO L421 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,703 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,703 INFO L421 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,703 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 16:12:04,703 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:12:04,703 INFO L425 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-18 16:12:04,703 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2018-11-18 16:12:04,703 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2018-11-18 16:12:04,703 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2018-11-18 16:12:04,703 INFO L425 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,704 INFO L421 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L421 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L421 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,704 INFO L421 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2018-11-18 16:12:04,704 INFO L425 ceAbstractionStarter]: For program point L383-1(lines 383 430) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L421 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,705 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L421 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:12:04,705 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 16:12:04,705 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 16:12:04,705 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:04,705 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L428 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-18 16:12:04,706 INFO L428 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-18 16:12:04,706 INFO L425 ceAbstractionStarter]: For program point L817-1(lines 817 831) no Hoare annotation was computed. [2018-11-18 16:12:04,707 INFO L428 ceAbstractionStarter]: At program point L817-3(lines 817 831) the Hoare annotation is: true [2018-11-18 16:12:04,707 INFO L428 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-18 16:12:04,707 INFO L425 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-18 16:12:04,707 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 16:12:04,707 INFO L421 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 16:12:04,707 INFO L421 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 16:12:04,707 INFO L425 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2018-11-18 16:12:04,707 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 16:12:04,707 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:04,708 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-18 16:12:04,708 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:04,708 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2018-11-18 16:12:04,709 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2018-11-18 16:12:04,709 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2018-11-18 16:12:04,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:12:04 BoogieIcfgContainer [2018-11-18 16:12:04,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:12:04,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:12:04,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:12:04,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:12:04,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:00" (3/4) ... [2018-11-18 16:12:04,722 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:12:04,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:12:04,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:12:04,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:12:04,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:12:04,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:12:04,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 16:12:04,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:12:04,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:12:04,747 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 16:12:04,747 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:12:04,748 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:12:04,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 16:12:04,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 16:12:04,804 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55871601-e623-48e7-8e19-a72e0df9b84a/bin-2019/utaipan/witness.graphml [2018-11-18 16:12:04,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:12:04,804 INFO L168 Benchmark]: Toolchain (without parser) took 5112.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,806 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-18 16:12:04,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,806 INFO L168 Benchmark]: Boogie Preprocessor took 28.85 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,806 INFO L168 Benchmark]: RCFGBuilder took 460.51 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,807 INFO L168 Benchmark]: TraceAbstraction took 4154.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.5 MB). Peak memory consumption was 259.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,807 INFO L168 Benchmark]: Witness Printer took 84.98 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:04,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 359.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.85 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 460.51 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4154.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.5 MB). Peak memory consumption was 259.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.98 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 777 SDtfs, 593 SDslu, 1613 SDs, 0 SdLazy, 948 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 245 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 408 PreInvPairs, 423 NumberOfFragments, 939 HoareAnnotationTreeSize, 408 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1194 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 109436 SizeOfPredicates, 3 NumberOfNonLiveVariables, 683 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 105/114 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...