./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:11:53,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:11:53,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:11:53,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:11:53,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:11:53,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:11:53,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:11:53,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:11:53,183 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:11:53,184 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:11:53,184 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:11:53,185 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:11:53,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:11:53,186 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:11:53,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:11:53,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:11:53,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:11:53,190 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:11:53,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:11:53,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:11:53,192 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:11:53,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:11:53,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:11:53,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:11:53,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:11:53,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:11:53,197 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:11:53,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:11:53,198 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:11:53,199 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:11:53,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:11:53,200 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:11:53,200 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:11:53,200 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:11:53,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:11:53,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:11:53,202 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:11:53,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:11:53,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:11:53,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:11:53,213 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:11:53,213 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:11:53,214 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:11:53,214 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:11:53,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:11:53,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:11:53,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:11:53,215 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:11:53,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:11:53,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:11:53,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:11:53,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:11:53,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:11:53,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:11:53,216 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:11:53,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:11:53,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:11:53,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:11:53,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:11:53,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:11:53,218 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:11:53,218 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_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2018-11-23 04:11:53,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:11:53,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:11:53,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:11:53,251 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:11:53,251 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:11:53,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-23 04:11:53,285 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/data/696b65a7a/ae861c27b59842f6ad97a19520edf855/FLAG79a8549aa [2018-11-23 04:11:53,715 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:11:53,716 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-23 04:11:53,725 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/data/696b65a7a/ae861c27b59842f6ad97a19520edf855/FLAG79a8549aa [2018-11-23 04:11:53,734 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/data/696b65a7a/ae861c27b59842f6ad97a19520edf855 [2018-11-23 04:11:53,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:11:53,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:11:53,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:11:53,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:11:53,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:11:53,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:53" (1/1) ... [2018-11-23 04:11:53,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:53, skipping insertion in model container [2018-11-23 04:11:53,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:53" (1/1) ... [2018-11-23 04:11:53,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:11:53,776 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:11:53,966 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:11:53,975 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:11:54,073 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:11:54,091 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:11:54,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54 WrapperNode [2018-11-23 04:11:54,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:11:54,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:11:54,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:11:54,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:11:54,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:11:54,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:11:54,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:11:54,118 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:11:54,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... [2018-11-23 04:11:54,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:11:54,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:11:54,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:11:54,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:11:54,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/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 [2018-11-23 04:11:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 04:11:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 04:11:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:11:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:11:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 04:11:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 04:11:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 04:11:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 04:11:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:11:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 04:11:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 04:11:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 04:11:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 04:11:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 04:11:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 04:11:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 04:11:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 04:11:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 04:11:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 04:11:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 04:11:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 04:11:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 04:11:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 04:11:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 04:11:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 04:11:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 04:11:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 04:11:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 04:11:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 04:11:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 04:11:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 04:11:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 04:11:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 04:11:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 04:11:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 04:11:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 04:11:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 04:11:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 04:11:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 04:11:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 04:11:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 04:11:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 04:11:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 04:11:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 04:11:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 04:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 04:11:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 04:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 04:11:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 04:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 04:11:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 04:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 04:11:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 04:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 04:11:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 04:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:11:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 04:11:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 04:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 04:11:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 04:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:11:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:11:54,617 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:11:54,618 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 04:11:54,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:54 BoogieIcfgContainer [2018-11-23 04:11:54,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:11:54,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:11:54,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:11:54,622 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:11:54,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:11:53" (1/3) ... [2018-11-23 04:11:54,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48306488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:54, skipping insertion in model container [2018-11-23 04:11:54,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:54" (2/3) ... [2018-11-23 04:11:54,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48306488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:54, skipping insertion in model container [2018-11-23 04:11:54,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:54" (3/3) ... [2018-11-23 04:11:54,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-23 04:11:54,633 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:11:54,640 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:11:54,653 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:11:54,679 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:11:54,679 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:11:54,679 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:11:54,679 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:11:54,680 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:11:54,680 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:11:54,680 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:11:54,680 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:11:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-11-23 04:11:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 04:11:54,705 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:54,705 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:54,707 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:54,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:54,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2089715448, now seen corresponding path program 1 times [2018-11-23 04:11:54,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:54,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:54,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:54,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:54,750 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:54,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:54,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:11:54,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:54,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 04:11:54,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:11:54,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:11:54,911 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-11-23 04:11:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:54,942 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2018-11-23 04:11:54,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:11:54,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 04:11:54,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:54,952 INFO L225 Difference]: With dead ends: 304 [2018-11-23 04:11:54,953 INFO L226 Difference]: Without dead ends: 154 [2018-11-23 04:11:54,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:11:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-23 04:11:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-23 04:11:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-23 04:11:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 184 transitions. [2018-11-23 04:11:54,994 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 184 transitions. Word has length 51 [2018-11-23 04:11:54,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:54,995 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 184 transitions. [2018-11-23 04:11:54,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 04:11:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 184 transitions. [2018-11-23 04:11:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 04:11:54,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:54,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:54,998 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:54,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:54,998 INFO L82 PathProgramCache]: Analyzing trace with hash 376815419, now seen corresponding path program 1 times [2018-11-23 04:11:54,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:54,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:54,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:54,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,000 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:55,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:55,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:11:55,080 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:55,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:11:55,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:11:55,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:55,082 INFO L87 Difference]: Start difference. First operand 154 states and 184 transitions. Second operand 3 states. [2018-11-23 04:11:55,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:55,102 INFO L93 Difference]: Finished difference Result 247 states and 295 transitions. [2018-11-23 04:11:55,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:11:55,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 04:11:55,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:55,104 INFO L225 Difference]: With dead ends: 247 [2018-11-23 04:11:55,104 INFO L226 Difference]: Without dead ends: 145 [2018-11-23 04:11:55,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-23 04:11:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-23 04:11:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-23 04:11:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-11-23 04:11:55,117 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 52 [2018-11-23 04:11:55,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:55,118 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-11-23 04:11:55,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:11:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-11-23 04:11:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 04:11:55,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:55,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:55,120 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:55,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:55,120 INFO L82 PathProgramCache]: Analyzing trace with hash 2083474303, now seen corresponding path program 1 times [2018-11-23 04:11:55,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:55,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:55,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:55,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:55,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:11:55,245 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:55,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:11:55,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:11:55,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:11:55,246 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 7 states. [2018-11-23 04:11:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:55,569 INFO L93 Difference]: Finished difference Result 430 states and 528 transitions. [2018-11-23 04:11:55,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:11:55,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 04:11:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:55,573 INFO L225 Difference]: With dead ends: 430 [2018-11-23 04:11:55,573 INFO L226 Difference]: Without dead ends: 313 [2018-11-23 04:11:55,574 INFO L631 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 [2018-11-23 04:11:55,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-23 04:11:55,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2018-11-23 04:11:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-23 04:11:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 374 transitions. [2018-11-23 04:11:55,606 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 374 transitions. Word has length 56 [2018-11-23 04:11:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:55,607 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 374 transitions. [2018-11-23 04:11:55,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:11:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 374 transitions. [2018-11-23 04:11:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 04:11:55,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:55,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:55,610 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:55,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:55,610 INFO L82 PathProgramCache]: Analyzing trace with hash -139237271, now seen corresponding path program 1 times [2018-11-23 04:11:55,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:55,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:55,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:55,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:55,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:11:55,693 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:55,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:11:55,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:11:55,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:11:55,694 INFO L87 Difference]: Start difference. First operand 305 states and 374 transitions. Second operand 6 states. [2018-11-23 04:11:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:55,918 INFO L93 Difference]: Finished difference Result 841 states and 1056 transitions. [2018-11-23 04:11:55,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:11:55,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 04:11:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:55,921 INFO L225 Difference]: With dead ends: 841 [2018-11-23 04:11:55,922 INFO L226 Difference]: Without dead ends: 564 [2018-11-23 04:11:55,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:11:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-23 04:11:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2018-11-23 04:11:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-11-23 04:11:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 688 transitions. [2018-11-23 04:11:55,960 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 688 transitions. Word has length 62 [2018-11-23 04:11:55,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:55,960 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 688 transitions. [2018-11-23 04:11:55,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:11:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 688 transitions. [2018-11-23 04:11:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 04:11:55,963 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:55,963 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:55,963 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:55,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:55,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1489152805, now seen corresponding path program 1 times [2018-11-23 04:11:55,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:55,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:55,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:55,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:56,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:56,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:11:56,057 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:56,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:11:56,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:11:56,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:11:56,059 INFO L87 Difference]: Start difference. First operand 558 states and 688 transitions. Second operand 7 states. [2018-11-23 04:11:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:56,458 INFO L93 Difference]: Finished difference Result 1437 states and 1898 transitions. [2018-11-23 04:11:56,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 04:11:56,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 04:11:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:56,462 INFO L225 Difference]: With dead ends: 1437 [2018-11-23 04:11:56,462 INFO L226 Difference]: Without dead ends: 907 [2018-11-23 04:11:56,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 04:11:56,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-11-23 04:11:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 811. [2018-11-23 04:11:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-23 04:11:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 991 transitions. [2018-11-23 04:11:56,502 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 991 transitions. Word has length 66 [2018-11-23 04:11:56,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:56,502 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 991 transitions. [2018-11-23 04:11:56,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:11:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 991 transitions. [2018-11-23 04:11:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 04:11:56,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:56,504 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:56,505 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:56,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:56,505 INFO L82 PathProgramCache]: Analyzing trace with hash 344345668, now seen corresponding path program 1 times [2018-11-23 04:11:56,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:56,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:56,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:56,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:56,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:56,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:56,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:11:56,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:56,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:11:56,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:11:56,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:11:56,581 INFO L87 Difference]: Start difference. First operand 811 states and 991 transitions. Second operand 6 states. [2018-11-23 04:11:56,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:56,616 INFO L93 Difference]: Finished difference Result 1614 states and 2012 transitions. [2018-11-23 04:11:56,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:11:56,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-23 04:11:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:56,620 INFO L225 Difference]: With dead ends: 1614 [2018-11-23 04:11:56,620 INFO L226 Difference]: Without dead ends: 831 [2018-11-23 04:11:56,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:11:56,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-11-23 04:11:56,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2018-11-23 04:11:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-11-23 04:11:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1011 transitions. [2018-11-23 04:11:56,649 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1011 transitions. Word has length 93 [2018-11-23 04:11:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:56,649 INFO L480 AbstractCegarLoop]: Abstraction has 831 states and 1011 transitions. [2018-11-23 04:11:56,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:11:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1011 transitions. [2018-11-23 04:11:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 04:11:56,651 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:56,651 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:56,652 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:56,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:56,652 INFO L82 PathProgramCache]: Analyzing trace with hash 271959110, now seen corresponding path program 1 times [2018-11-23 04:11:56,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:56,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:56,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:56,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:56,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:56,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:56,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 04:11:56,721 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:56,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 04:11:56,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 04:11:56,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:11:56,722 INFO L87 Difference]: Start difference. First operand 831 states and 1011 transitions. Second operand 8 states. [2018-11-23 04:11:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:56,756 INFO L93 Difference]: Finished difference Result 1662 states and 2098 transitions. [2018-11-23 04:11:56,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:11:56,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-23 04:11:56,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:56,759 INFO L225 Difference]: With dead ends: 1662 [2018-11-23 04:11:56,759 INFO L226 Difference]: Without dead ends: 859 [2018-11-23 04:11:56,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:11:56,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2018-11-23 04:11:56,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 847. [2018-11-23 04:11:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-11-23 04:11:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-11-23 04:11:56,786 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 93 [2018-11-23 04:11:56,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:56,786 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-11-23 04:11:56,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 04:11:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-11-23 04:11:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 04:11:56,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:56,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:56,788 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:56,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:56,788 INFO L82 PathProgramCache]: Analyzing trace with hash 601724871, now seen corresponding path program 1 times [2018-11-23 04:11:56,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:56,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:56,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:56,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:56,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:56,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:56,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:11:56,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:56,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:11:56,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:11:56,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:11:56,854 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 4 states. [2018-11-23 04:11:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:57,006 INFO L93 Difference]: Finished difference Result 2733 states and 3478 transitions. [2018-11-23 04:11:57,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 04:11:57,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-23 04:11:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:57,011 INFO L225 Difference]: With dead ends: 2733 [2018-11-23 04:11:57,011 INFO L226 Difference]: Without dead ends: 1914 [2018-11-23 04:11:57,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:11:57,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2018-11-23 04:11:57,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1883. [2018-11-23 04:11:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2018-11-23 04:11:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2343 transitions. [2018-11-23 04:11:57,074 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2343 transitions. Word has length 93 [2018-11-23 04:11:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:57,074 INFO L480 AbstractCegarLoop]: Abstraction has 1883 states and 2343 transitions. [2018-11-23 04:11:57,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:11:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2343 transitions. [2018-11-23 04:11:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 04:11:57,076 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:57,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:57,076 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:57,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:57,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1855468717, now seen corresponding path program 1 times [2018-11-23 04:11:57,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:57,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:57,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:57,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:57,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:57,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:57,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:11:57,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:57,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:11:57,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:11:57,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:57,133 INFO L87 Difference]: Start difference. First operand 1883 states and 2343 transitions. Second operand 3 states. [2018-11-23 04:11:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:57,217 INFO L93 Difference]: Finished difference Result 3058 states and 3917 transitions. [2018-11-23 04:11:57,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:11:57,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-23 04:11:57,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:57,226 INFO L225 Difference]: With dead ends: 3058 [2018-11-23 04:11:57,226 INFO L226 Difference]: Without dead ends: 3055 [2018-11-23 04:11:57,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:57,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2018-11-23 04:11:57,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2895. [2018-11-23 04:11:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-11-23 04:11:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3721 transitions. [2018-11-23 04:11:57,359 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3721 transitions. Word has length 97 [2018-11-23 04:11:57,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:57,359 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 3721 transitions. [2018-11-23 04:11:57,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:11:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3721 transitions. [2018-11-23 04:11:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 04:11:57,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:57,365 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:57,365 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:57,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:57,365 INFO L82 PathProgramCache]: Analyzing trace with hash 783475155, now seen corresponding path program 1 times [2018-11-23 04:11:57,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:57,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:57,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:57,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:57,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 04:11:57,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:57,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:57,440 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-23 04:11:57,442 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [210], [214], [220], [221], [222], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [296], [297], [298], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-11-23 04:11:57,466 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:57,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:11:59,120 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:11:59,121 INFO L272 AbstractInterpreter]: Visited 104 different actions 432 times. Merged at 13 different actions 37 times. Never widened. Performed 27236 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27236 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-23 04:11:59,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:59,140 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:11:59,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:59,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/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 [2018-11-23 04:11:59,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:59,154 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:11:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:59,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:11:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:11:59,300 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:11:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 04:11:59,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 04:11:59,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 04:11:59,499 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:59,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:11:59,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:11:59,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:11:59,500 INFO L87 Difference]: Start difference. First operand 2895 states and 3721 transitions. Second operand 3 states. [2018-11-23 04:11:59,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:59,599 INFO L93 Difference]: Finished difference Result 5250 states and 6838 transitions. [2018-11-23 04:11:59,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:11:59,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 04:11:59,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:59,607 INFO L225 Difference]: With dead ends: 5250 [2018-11-23 04:11:59,607 INFO L226 Difference]: Without dead ends: 2719 [2018-11-23 04:11:59,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:11:59,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2018-11-23 04:11:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 1976. [2018-11-23 04:11:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2018-11-23 04:11:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2284 transitions. [2018-11-23 04:11:59,684 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2284 transitions. Word has length 160 [2018-11-23 04:11:59,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:59,684 INFO L480 AbstractCegarLoop]: Abstraction has 1976 states and 2284 transitions. [2018-11-23 04:11:59,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:11:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2284 transitions. [2018-11-23 04:11:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 04:11:59,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:59,688 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:59,688 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:59,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:59,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1445130694, now seen corresponding path program 1 times [2018-11-23 04:11:59,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:59,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:59,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:59,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:59,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 04:11:59,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:11:59,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:11:59,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:11:59,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:11:59,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:11:59,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:59,749 INFO L87 Difference]: Start difference. First operand 1976 states and 2284 transitions. Second operand 3 states. [2018-11-23 04:11:59,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:11:59,785 INFO L93 Difference]: Finished difference Result 2172 states and 2519 transitions. [2018-11-23 04:11:59,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:11:59,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2018-11-23 04:11:59,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:11:59,789 INFO L225 Difference]: With dead ends: 2172 [2018-11-23 04:11:59,789 INFO L226 Difference]: Without dead ends: 869 [2018-11-23 04:11:59,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:11:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-11-23 04:11:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 816. [2018-11-23 04:11:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-23 04:11:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 913 transitions. [2018-11-23 04:11:59,816 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 913 transitions. Word has length 170 [2018-11-23 04:11:59,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:11:59,817 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 913 transitions. [2018-11-23 04:11:59,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:11:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 913 transitions. [2018-11-23 04:11:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 04:11:59,818 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:11:59,819 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:11:59,819 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:11:59,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:11:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1276632465, now seen corresponding path program 1 times [2018-11-23 04:11:59,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:11:59,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:59,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:11:59,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:11:59,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:11:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:11:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 04:11:59,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:11:59,921 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:11:59,922 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-23 04:11:59,922 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [207], [210], [214], [220], [221], [222], [225], [229], [230], [234], [237], [239], [242], [249], [252], [255], [259], [260], [263], [266], [268], [274], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [294], [295], [296], [297], [298], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [332], [333], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [348], [349], [350], [351], [354], [355], [356], [357] [2018-11-23 04:11:59,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:11:59,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:12:00,976 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:12:00,977 INFO L272 AbstractInterpreter]: Visited 141 different actions 751 times. Merged at 20 different actions 61 times. Never widened. Performed 25216 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-23 04:12:00,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:12:00,989 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:12:00,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:12:00,989 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:12:00,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:12:00,997 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:12:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:12:01,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:12:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:12:01,250 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:12:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 04:12:01,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 04:12:01,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 04:12:01,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:12:01,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 04:12:01,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 04:12:01,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 04:12:01,821 INFO L87 Difference]: Start difference. First operand 816 states and 913 transitions. Second operand 8 states. [2018-11-23 04:12:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:12:02,026 INFO L93 Difference]: Finished difference Result 1430 states and 1609 transitions. [2018-11-23 04:12:02,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:12:02,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2018-11-23 04:12:02,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:12:02,027 INFO L225 Difference]: With dead ends: 1430 [2018-11-23 04:12:02,027 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:12:02,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 04:12:02,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:12:02,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:12:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:12:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:12:02,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-11-23 04:12:02,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:12:02,030 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:12:02,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 04:12:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:12:02,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:12:02,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:12:02,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:12:02,674 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2018-11-23 04:12:02,842 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2018-11-23 04:12:03,637 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2018-11-23 04:12:04,508 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-11-23 04:12:05,174 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 04:12:05,174 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 04:12:05,174 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 04:12:05,174 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 04:12:05,174 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 04:12:05,174 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,174 INFO L444 ceAbstractionStarter]: At program point L993-1(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,174 INFO L448 ceAbstractionStarter]: For program point L991(lines 991 998) no Hoare annotation was computed. [2018-11-23 04:12:05,174 INFO L448 ceAbstractionStarter]: For program point L991-1(lines 991 998) no Hoare annotation was computed. [2018-11-23 04:12:05,175 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 981 1003) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,175 INFO L448 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2018-11-23 04:12:05,175 INFO L444 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,175 INFO L444 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,175 INFO L444 ceAbstractionStarter]: At program point L987-1(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,175 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 981 1003) no Hoare annotation was computed. [2018-11-23 04:12:05,175 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 981 1003) no Hoare annotation was computed. [2018-11-23 04:12:05,175 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-11-23 04:12:05,175 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-11-23 04:12:05,175 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 403 411) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 403 411) the Hoare annotation is: true [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 403 411) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 04:12:05,176 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 970 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,176 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 970 980) no Hoare annotation was computed. [2018-11-23 04:12:05,176 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 970 980) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 392 402) the Hoare annotation is: true [2018-11-23 04:12:05,177 INFO L451 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: true [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 392 402) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 392 402) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 384 391) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 384 391) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 384 391) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 351 375) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 351 375) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (or .cse4 .cse3 .cse5) .cse2) (or (or .cse0 .cse3 .cse6) .cse2) (or (or .cse4 .cse3 .cse5 .cse6) .cse2))) [2018-11-23 04:12:05,177 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse2 .cse6) (or (or .cse1 .cse2 .cse3 .cse6) .cse4) (or .cse5 .cse0 .cse2))) [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 351 375) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse4 .cse5 .cse1) (or .cse5 (or .cse0 .cse1 .cse2)))) [2018-11-23 04:12:05,177 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse5) .cse4 .cse6 .cse1) (or .cse6 (or .cse0 .cse1 .cse2)))) [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 367) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 (or .cse4 .cse3 .cse5)))) [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-11-23 04:12:05,177 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 372) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2018-11-23 04:12:05,178 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 192 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,178 INFO L444 ceAbstractionStarter]: At program point L250(lines 201 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 192 257) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~pumpRunning~0) (= ~systemActive~0 1) .cse0))) [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 232 245) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) .cse0 .cse3) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point L203(lines 202 249) no Hoare annotation was computed. [2018-11-23 04:12:05,178 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 245) no Hoare annotation was computed. [2018-11-23 04:12:05,179 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse4 .cse2 .cse1) (and .cse6 .cse0 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse3 .cse4 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 04:12:05,179 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-11-23 04:12:05,179 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2018-11-23 04:12:05,179 INFO L444 ceAbstractionStarter]: At program point L247(lines 202 249) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse4 .cse2 .cse1) (and .cse6 .cse0 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse3 .cse4 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 04:12:05,179 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse3 .cse4 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse4 .cse1 .cse2))) [2018-11-23 04:12:05,179 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 218) no Hoare annotation was computed. [2018-11-23 04:12:05,179 INFO L448 ceAbstractionStarter]: For program point L212-1(lines 212 218) no Hoare annotation was computed. [2018-11-23 04:12:05,179 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-11-23 04:12:05,179 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 192 257) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse1 (not (= ~systemActive~0 0))) (or .cse4 .cse2 .cse3) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 900) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~systemActive~0 0))) (.cse9 (not .cse2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse8) (or .cse1 .cse6 .cse5 .cse3 .cse9 .cse4) (or .cse6 .cse3 .cse7) (or .cse5 .cse6 .cse8 .cse9 .cse4) (or .cse0 .cse3 .cse7)))) [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 903) no Hoare annotation was computed. [2018-11-23 04:12:05,180 INFO L448 ceAbstractionStarter]: For program point L886-1(lines 878 906) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L444 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point L884-1(line 884) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 878 906) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 878 906) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 870 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 870 877) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 870 877) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 376 383) no Hoare annotation was computed. [2018-11-23 04:12:05,181 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 376 383) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 376 383) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 448 466) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L451 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: true [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point L455-1(line 455) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 448 466) the Hoare annotation is: true [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 448 466) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (< ~pumpRunning~0 1)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (or .cse5 .cse3 .cse4) .cse0 (not (= ~systemActive~0 0))) (or .cse6 .cse7 (or .cse1 .cse2)) (or .cse6 (or .cse5 .cse2 .cse3) .cse7) (or (or .cse5 .cse2 .cse3 .cse4) .cse0))) [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-23 04:12:05,182 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-23 04:12:05,183 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 909 938) no Hoare annotation was computed. [2018-11-23 04:12:05,183 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 909 938) the Hoare annotation is: true [2018-11-23 04:12:05,183 INFO L448 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-11-23 04:12:05,183 INFO L451 ceAbstractionStarter]: At program point L923-1(lines 923 927) the Hoare annotation is: true [2018-11-23 04:12:05,183 INFO L448 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2018-11-23 04:12:05,183 INFO L451 ceAbstractionStarter]: At program point L919-2(lines 919 933) the Hoare annotation is: true [2018-11-23 04:12:05,183 INFO L451 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2018-11-23 04:12:05,183 INFO L448 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2018-11-23 04:12:05,183 INFO L451 ceAbstractionStarter]: At program point L934(lines 909 938) the Hoare annotation is: true [2018-11-23 04:12:05,183 INFO L448 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2018-11-23 04:12:05,183 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse10 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 (or .cse1 .cse3 .cse5) .cse8) (or .cse6 (or .cse7 .cse3 .cse9)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse0 .cse10 (or .cse7 .cse3 .cse5)) (or (or .cse1 .cse3 .cse5 .cse9) .cse8) (or (not (= ~systemActive~0 0)) .cse1)))) [2018-11-23 04:12:05,184 INFO L444 ceAbstractionStarter]: At program point L278(lines 278 284) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= ~systemActive~0 0))) (.cse11 (and (<= 1 ~pumpRunning~0) (not (= ~waterLevel~0 1)) .cse12)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 1 ~waterLevel~0) .cse12)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse0 (or .cse6 .cse3 .cse9)) (or .cse10 (or .cse2 .cse3) .cse1) (or .cse0 .cse7 .cse6) (or .cse11 .cse0 (or .cse6 .cse3 .cse9 .cse4)) (or .cse10 .cse6 .cse5 .cse3 .cse8 .cse9) (or .cse6 .cse5 .cse3 .cse8 .cse9 .cse4)))) [2018-11-23 04:12:05,184 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse3 .cse5 .cse6) (or .cse1 (or .cse2 .cse3 .cse6)) (or .cse0 (or .cse4 .cse3 .cse5)) (or (not (= ~systemActive~0 0)) .cse4) (or (= 0 ~methAndRunningLastTime~0) .cse0 (or .cse2 .cse3 .cse5)))) [2018-11-23 04:12:05,184 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 267 290) the Hoare annotation is: (let ((.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and .cse11 .cse6)) (.cse8 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse2 .cse1 .cse8 .cse4 .cse5) (or .cse0 (or .cse1 .cse3 .cse5) .cse9) (or .cse6 (or .cse7 .cse3 .cse10)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse0 .cse11 (or .cse7 .cse3 .cse5)) (or (or .cse1 .cse3 .cse5 .cse10) .cse9) (or .cse6 .cse8 .cse1) (or .cse8 .cse11 (or .cse1 .cse5))))) [2018-11-23 04:12:05,184 INFO L448 ceAbstractionStarter]: For program point L271(lines 270 289) no Hoare annotation was computed. [2018-11-23 04:12:05,184 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2018-11-23 04:12:05,184 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 267 290) no Hoare annotation was computed. [2018-11-23 04:12:05,184 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-23 04:12:05,184 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-11-23 04:12:05,185 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 963 969) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 963 969) the Hoare annotation is: true [2018-11-23 04:12:05,185 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 04:12:05,185 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:12:05,185 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:12:05,185 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 299 323) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) .cse3) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-11-23 04:12:05,185 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-11-23 04:12:05,186 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2018-11-23 04:12:05,186 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 299 323) no Hoare annotation was computed. [2018-11-23 04:12:05,186 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) (or .cse2 .cse0 .cse3) .cse4) (or (or .cse2 .cse0 .cse3 .cse1) .cse4))) [2018-11-23 04:12:05,186 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse6) (or (or .cse1 .cse2 .cse3 .cse6) (and .cse5 .cse4)))) [2018-11-23 04:12:05,186 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 315) no Hoare annotation was computed. [2018-11-23 04:12:05,186 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-11-23 04:12:05,186 INFO L448 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2018-11-23 04:12:05,186 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 320) no Hoare annotation was computed. [2018-11-23 04:12:05,186 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-23 04:12:05,187 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-23 04:12:05,187 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse1 .cse0 .cse4 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0 .cse4 .cse2 .cse3))) [2018-11-23 04:12:05,187 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1005 1012) no Hoare annotation was computed. [2018-11-23 04:12:05,187 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1005 1012) the Hoare annotation is: true [2018-11-23 04:12:05,187 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2018-11-23 04:12:05,187 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1005 1012) no Hoare annotation was computed. [2018-11-23 04:12:05,187 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 325 349) no Hoare annotation was computed. [2018-11-23 04:12:05,187 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 325 349) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) .cse3) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-11-23 04:12:05,187 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-11-23 04:12:05,187 INFO L448 ceAbstractionStarter]: For program point L344-1(lines 325 349) no Hoare annotation was computed. [2018-11-23 04:12:05,188 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-11-23 04:12:05,188 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-11-23 04:12:05,188 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2018-11-23 04:12:05,188 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-11-23 04:12:05,188 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-23 04:12:05,188 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 346) no Hoare annotation was computed. [2018-11-23 04:12:05,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:12:05 BoogieIcfgContainer [2018-11-23 04:12:05,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:12:05,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:12:05,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:12:05,199 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:12:05,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:54" (3/4) ... [2018-11-23 04:12:05,203 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 04:12:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 04:12:05,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 04:12:05,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 04:12:05,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 04:12:05,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 04:12:05,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 04:12:05,217 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 04:12:05,217 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 04:12:05,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 04:12:05,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:12:05,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:12:05,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 04:12:05,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 04:12:05,281 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfe59bd1-474d-4883-aaad-ce63fe5c6b73/bin-2019/utaipan/witness.graphml [2018-11-23 04:12:05,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:12:05,282 INFO L168 Benchmark]: Toolchain (without parser) took 11545.98 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 747.1 MB). Free memory was 955.5 MB in the beginning and 1.4 GB in the end (delta: -464.6 MB). Peak memory consumption was 282.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:12:05,282 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:12:05,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:12:05,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:12:05,283 INFO L168 Benchmark]: Boogie Preprocessor took 32.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:12:05,283 INFO L168 Benchmark]: RCFGBuilder took 467.77 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:12:05,283 INFO L168 Benchmark]: TraceAbstraction took 10580.02 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 587.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -343.0 MB). Peak memory consumption was 861.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:12:05,283 INFO L168 Benchmark]: Witness Printer took 82.13 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 436.3 kB). Peak memory consumption was 436.3 kB. Max. memory is 11.5 GB. [2018-11-23 04:12:05,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 467.77 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10580.02 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 587.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -343.0 MB). Peak memory consumption was 861.1 MB. Max. memory is 11.5 GB. * Witness Printer took 82.13 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 436.3 kB). Peak memory consumption was 436.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1009]: 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: 201]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((((((((((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2443 SDtfs, 1217 SDslu, 4741 SDs, 0 SdLazy, 1252 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 691 SyntacticMatches, 8 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2895occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1109 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3885 PreInvPairs, 3977 NumberOfFragments, 3109 HoareAnnotationTreeSize, 3885 FomulaSimplifications, 6523 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 70 FomulaSimplificationsInter, 11651 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1499 NumberOfCodeBlocks, 1499 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1816 ConstructedInterpolants, 0 QuantifiedInterpolants, 367428 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1851 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 351/371 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...