./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/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 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:44:30,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:44:30,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:44:30,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:44:30,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:44:30,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:44:30,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:44:30,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:44:30,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:44:30,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:44:30,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:44:30,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:44:30,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:44:30,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:44:30,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:44:30,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:44:30,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:44:30,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:44:30,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:44:30,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:44:30,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:44:30,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:44:30,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:44:30,055 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:44:30,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:44:30,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:44:30,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:44:30,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:44:30,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:44:30,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:44:30,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:44:30,059 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:44:30,059 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:44:30,060 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:44:30,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:44:30,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:44:30,061 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 08:44:30,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:44:30,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:44:30,071 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:44:30,071 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 08:44:30,071 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 08:44:30,071 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 08:44:30,072 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 08:44:30,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:44:30,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:44:30,074 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:44:30,075 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:44:30,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:44:30,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:44:30,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:44:30,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:44:30,076 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 08:44:30,076 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:44:30,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:44:30,076 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 08:44:30,076 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_65278aa0-2143-470f-89c9-2e676851062f/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 -> 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 [2018-11-18 08:44:30,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:44:30,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:44:30,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:44:30,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:44:30,113 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:44:30,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-11-18 08:44:30,156 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/data/a7280900a/b5be4236f1fa4b54978f65797ef3d853/FLAGc8fe5ff9f [2018-11-18 08:44:30,511 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:44:30,511 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-11-18 08:44:30,518 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/data/a7280900a/b5be4236f1fa4b54978f65797ef3d853/FLAGc8fe5ff9f [2018-11-18 08:44:30,912 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/data/a7280900a/b5be4236f1fa4b54978f65797ef3d853 [2018-11-18 08:44:30,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:44:30,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:44:30,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:44:30,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:44:30,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:44:30,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:30" (1/1) ... [2018-11-18 08:44:30,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:30, skipping insertion in model container [2018-11-18 08:44:30,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:30" (1/1) ... [2018-11-18 08:44:30,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:44:30,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:44:31,139 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:44:31,147 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:44:31,246 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:44:31,265 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:44:31,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31 WrapperNode [2018-11-18 08:44:31,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:44:31,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:44:31,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:44:31,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:44:31,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:44:31,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:44:31,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:44:31,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:44:31,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... [2018-11-18 08:44:31,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:44:31,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:44:31,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:44:31,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:44:31,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:44:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 08:44:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 08:44:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:44:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:44:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 08:44:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 08:44:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 08:44:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 08:44:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:44:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 08:44:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 08:44:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 08:44:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 08:44:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 08:44:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 08:44:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:44:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:44:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 08:44:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 08:44:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:44:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:44:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 08:44:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 08:44:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:44:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:44:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:44:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:44:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 08:44:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 08:44:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 08:44:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 08:44:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:44:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:44:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:44:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:44:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:44:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:44:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 08:44:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 08:44:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:44:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:44:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:44:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:44:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 08:44:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 08:44:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 08:44:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 08:44:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 08:44:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 08:44:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 08:44:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 08:44:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 08:44:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 08:44:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:44:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:44:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 08:44:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 08:44:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:44:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:44:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:44:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:44:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 08:44:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 08:44:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:44:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:44:31,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:44:31,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:31 BoogieIcfgContainer [2018-11-18 08:44:31,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:44:31,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:44:31,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:44:31,864 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:44:31,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:44:30" (1/3) ... [2018-11-18 08:44:31,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656187c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:31, skipping insertion in model container [2018-11-18 08:44:31,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:31" (2/3) ... [2018-11-18 08:44:31,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656187c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:31, skipping insertion in model container [2018-11-18 08:44:31,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:31" (3/3) ... [2018-11-18 08:44:31,866 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-11-18 08:44:31,874 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:44:31,880 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:44:31,894 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:44:31,917 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:44:31,917 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:44:31,917 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:44:31,917 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:44:31,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:44:31,917 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:44:31,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:44:31,918 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:44:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-11-18 08:44:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 08:44:31,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:31,940 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:31,941 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:31,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:31,945 INFO L82 PathProgramCache]: Analyzing trace with hash -248657395, now seen corresponding path program 1 times [2018-11-18 08:44:31,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:31,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:31,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:31,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:31,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:32,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:32,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:44:32,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:32,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:44:32,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:44:32,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:44:32,170 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-11-18 08:44:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:32,200 INFO L93 Difference]: Finished difference Result 322 states and 403 transitions. [2018-11-18 08:44:32,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:44:32,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 08:44:32,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:32,210 INFO L225 Difference]: With dead ends: 322 [2018-11-18 08:44:32,210 INFO L226 Difference]: Without dead ends: 163 [2018-11-18 08:44:32,213 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:44:32,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-18 08:44:32,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-18 08:44:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-18 08:44:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2018-11-18 08:44:32,249 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 51 [2018-11-18 08:44:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:32,249 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2018-11-18 08:44:32,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:44:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2018-11-18 08:44:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 08:44:32,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:32,252 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:32,252 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:32,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:32,252 INFO L82 PathProgramCache]: Analyzing trace with hash 889183430, now seen corresponding path program 1 times [2018-11-18 08:44:32,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:32,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:32,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:32,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:32,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:32,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:32,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:44:32,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:32,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:44:32,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:44:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:44:32,332 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand 3 states. [2018-11-18 08:44:32,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:32,352 INFO L93 Difference]: Finished difference Result 263 states and 315 transitions. [2018-11-18 08:44:32,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:44:32,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 08:44:32,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:32,354 INFO L225 Difference]: With dead ends: 263 [2018-11-18 08:44:32,354 INFO L226 Difference]: Without dead ends: 153 [2018-11-18 08:44:32,355 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:44:32,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-18 08:44:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-18 08:44:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-18 08:44:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 182 transitions. [2018-11-18 08:44:32,367 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 182 transitions. Word has length 53 [2018-11-18 08:44:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:32,368 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 182 transitions. [2018-11-18 08:44:32,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:44:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions. [2018-11-18 08:44:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 08:44:32,370 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:32,370 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:32,370 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:32,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:32,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1424194840, now seen corresponding path program 1 times [2018-11-18 08:44:32,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:32,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:32,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:32,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:32,371 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:32,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:32,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:44:32,486 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:32,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:44:32,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:44:32,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:44:32,487 INFO L87 Difference]: Start difference. First operand 153 states and 182 transitions. Second operand 7 states. [2018-11-18 08:44:32,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:32,927 INFO L93 Difference]: Finished difference Result 455 states and 559 transitions. [2018-11-18 08:44:32,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:44:32,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 08:44:32,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:32,931 INFO L225 Difference]: With dead ends: 455 [2018-11-18 08:44:32,931 INFO L226 Difference]: Without dead ends: 330 [2018-11-18 08:44:32,932 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:44:32,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-11-18 08:44:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 322. [2018-11-18 08:44:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-11-18 08:44:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 395 transitions. [2018-11-18 08:44:32,965 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 395 transitions. Word has length 57 [2018-11-18 08:44:32,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:32,966 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 395 transitions. [2018-11-18 08:44:32,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:44:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 395 transitions. [2018-11-18 08:44:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:44:32,968 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:32,968 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:32,969 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:32,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:32,969 INFO L82 PathProgramCache]: Analyzing trace with hash 148428485, now seen corresponding path program 1 times [2018-11-18 08:44:32,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:32,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:32,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:32,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:32,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:33,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:33,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:44:33,057 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:33,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:44:33,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:44:33,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:44:33,058 INFO L87 Difference]: Start difference. First operand 322 states and 395 transitions. Second operand 6 states. [2018-11-18 08:44:33,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:33,208 INFO L93 Difference]: Finished difference Result 892 states and 1119 transitions. [2018-11-18 08:44:33,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:44:33,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 08:44:33,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:33,212 INFO L225 Difference]: With dead ends: 892 [2018-11-18 08:44:33,213 INFO L226 Difference]: Without dead ends: 598 [2018-11-18 08:44:33,214 INFO L604 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 [2018-11-18 08:44:33,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2018-11-18 08:44:33,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 592. [2018-11-18 08:44:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-11-18 08:44:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 730 transitions. [2018-11-18 08:44:33,253 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 730 transitions. Word has length 63 [2018-11-18 08:44:33,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:33,253 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 730 transitions. [2018-11-18 08:44:33,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:44:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 730 transitions. [2018-11-18 08:44:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 08:44:33,256 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:33,256 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:33,256 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:33,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:33,256 INFO L82 PathProgramCache]: Analyzing trace with hash -2042317183, now seen corresponding path program 1 times [2018-11-18 08:44:33,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:33,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:33,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:33,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:33,258 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:33,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:33,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:44:33,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:33,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:44:33,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:44:33,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:44:33,344 INFO L87 Difference]: Start difference. First operand 592 states and 730 transitions. Second operand 7 states. [2018-11-18 08:44:33,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:33,850 INFO L93 Difference]: Finished difference Result 1543 states and 2020 transitions. [2018-11-18 08:44:33,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:44:33,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 08:44:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:33,855 INFO L225 Difference]: With dead ends: 1543 [2018-11-18 08:44:33,855 INFO L226 Difference]: Without dead ends: 979 [2018-11-18 08:44:33,857 INFO L604 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 [2018-11-18 08:44:33,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2018-11-18 08:44:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 877. [2018-11-18 08:44:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-11-18 08:44:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1065 transitions. [2018-11-18 08:44:33,913 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1065 transitions. Word has length 67 [2018-11-18 08:44:33,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:33,914 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1065 transitions. [2018-11-18 08:44:33,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:44:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1065 transitions. [2018-11-18 08:44:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 08:44:33,916 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:33,916 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:33,916 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:33,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:33,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1316892300, now seen corresponding path program 1 times [2018-11-18 08:44:33,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:33,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:33,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:33,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:33,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:44:34,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:34,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:44:34,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:34,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:44:34,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:44:34,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:44:34,020 INFO L87 Difference]: Start difference. First operand 877 states and 1065 transitions. Second operand 6 states. [2018-11-18 08:44:34,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:34,078 INFO L93 Difference]: Finished difference Result 1754 states and 2206 transitions. [2018-11-18 08:44:34,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:44:34,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-18 08:44:34,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:34,084 INFO L225 Difference]: With dead ends: 1754 [2018-11-18 08:44:34,084 INFO L226 Difference]: Without dead ends: 905 [2018-11-18 08:44:34,086 INFO L604 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 [2018-11-18 08:44:34,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2018-11-18 08:44:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2018-11-18 08:44:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-11-18 08:44:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1085 transitions. [2018-11-18 08:44:34,126 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1085 transitions. Word has length 109 [2018-11-18 08:44:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:34,127 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1085 transitions. [2018-11-18 08:44:34,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:44:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1085 transitions. [2018-11-18 08:44:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 08:44:34,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:34,129 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:34,129 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:34,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:34,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1038912950, now seen corresponding path program 1 times [2018-11-18 08:44:34,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:34,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:34,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:34,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:34,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:44:34,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:34,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:44:34,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:34,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:44:34,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:44:34,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:44:34,213 INFO L87 Difference]: Start difference. First operand 897 states and 1085 transitions. Second operand 8 states. [2018-11-18 08:44:34,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:34,262 INFO L93 Difference]: Finished difference Result 1794 states and 2246 transitions. [2018-11-18 08:44:34,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:44:34,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-18 08:44:34,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:34,266 INFO L225 Difference]: With dead ends: 1794 [2018-11-18 08:44:34,266 INFO L226 Difference]: Without dead ends: 925 [2018-11-18 08:44:34,269 INFO L604 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 [2018-11-18 08:44:34,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-11-18 08:44:34,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2018-11-18 08:44:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-11-18 08:44:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1101 transitions. [2018-11-18 08:44:34,307 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1101 transitions. Word has length 109 [2018-11-18 08:44:34,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:34,308 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1101 transitions. [2018-11-18 08:44:34,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:44:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1101 transitions. [2018-11-18 08:44:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 08:44:34,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:34,310 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:34,310 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:34,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:34,310 INFO L82 PathProgramCache]: Analyzing trace with hash -269742935, now seen corresponding path program 1 times [2018-11-18 08:44:34,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:34,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:34,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:34,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:34,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:44:34,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:34,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:44:34,375 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:34,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:44:34,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:44:34,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:44:34,376 INFO L87 Difference]: Start difference. First operand 913 states and 1101 transitions. Second operand 4 states. [2018-11-18 08:44:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:34,618 INFO L93 Difference]: Finished difference Result 2881 states and 3642 transitions. [2018-11-18 08:44:34,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:44:34,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-18 08:44:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:34,627 INFO L225 Difference]: With dead ends: 2881 [2018-11-18 08:44:34,628 INFO L226 Difference]: Without dead ends: 1996 [2018-11-18 08:44:34,630 INFO L604 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 [2018-11-18 08:44:34,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2018-11-18 08:44:34,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1965. [2018-11-18 08:44:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2018-11-18 08:44:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2433 transitions. [2018-11-18 08:44:34,742 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2433 transitions. Word has length 109 [2018-11-18 08:44:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:34,743 INFO L480 AbstractCegarLoop]: Abstraction has 1965 states and 2433 transitions. [2018-11-18 08:44:34,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:44:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2433 transitions. [2018-11-18 08:44:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 08:44:34,746 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:34,747 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:34,747 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:34,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:34,747 INFO L82 PathProgramCache]: Analyzing trace with hash 523474915, now seen corresponding path program 1 times [2018-11-18 08:44:34,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:34,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:34,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:34,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:34,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:44:34,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:44:34,907 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:44:34,908 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-11-18 08:44:34,910 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [84], [87], [88], [92], [93], [95], [99], [105], [109], [113], [116], [121], [124], [129], [132], [148], [149], [152], [154], [157], [159], [162], [165], [177], [178], [179], [180], [181], [183], [188], [191], [192], [194], [199], [201], [202], [207], [209], [210], [211], [217], [221], [262], [266], [269], [271], [274], [284], [287], [291], [292], [295], [296], [297], [298], [299], [300], [301], [302], [303], [311], [312], [317], [318], [319], [321], [322], [329], [330], [331], [332], [333], [334], [337], [341], [342], [343], [344], [345], [347], [348], [349], [350], [351], [352], [355], [356], [357], [363], [364], [365], [367], [368], [369], [370] [2018-11-18 08:44:34,942 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:44:34,942 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:44:35,369 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:44:35,370 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Performed 2803 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2803 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-18 08:44:35,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:35,386 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:44:35,672 INFO L227 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 96.62% of their original sizes. [2018-11-18 08:44:35,672 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:44:35,834 INFO L415 sIntCurrentIteration]: We unified 112 AI predicates to 112 [2018-11-18 08:44:35,834 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:44:35,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:44:35,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-18 08:44:35,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:35,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 08:44:35,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 08:44:35,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-11-18 08:44:35,836 INFO L87 Difference]: Start difference. First operand 1965 states and 2433 transitions. Second operand 22 states. [2018-11-18 08:44:42,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:42,405 INFO L93 Difference]: Finished difference Result 4834 states and 6017 transitions. [2018-11-18 08:44:42,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 08:44:42,405 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 113 [2018-11-18 08:44:42,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:42,415 INFO L225 Difference]: With dead ends: 4834 [2018-11-18 08:44:42,416 INFO L226 Difference]: Without dead ends: 2897 [2018-11-18 08:44:42,421 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 134 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=1677, Unknown=0, NotChecked=0, Total=1892 [2018-11-18 08:44:42,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2018-11-18 08:44:42,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2882. [2018-11-18 08:44:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2882 states. [2018-11-18 08:44:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 3476 transitions. [2018-11-18 08:44:42,547 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 3476 transitions. Word has length 113 [2018-11-18 08:44:42,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:42,547 INFO L480 AbstractCegarLoop]: Abstraction has 2882 states and 3476 transitions. [2018-11-18 08:44:42,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 08:44:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3476 transitions. [2018-11-18 08:44:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 08:44:42,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:42,553 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-18 08:44:42,554 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:42,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:42,554 INFO L82 PathProgramCache]: Analyzing trace with hash -846534878, now seen corresponding path program 1 times [2018-11-18 08:44:42,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:42,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:42,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 08:44:42,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:44:42,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:44:42,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:42,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:44:42,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:44:42,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:44:42,611 INFO L87 Difference]: Start difference. First operand 2882 states and 3476 transitions. Second operand 3 states. [2018-11-18 08:44:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:44:42,717 INFO L93 Difference]: Finished difference Result 3327 states and 4015 transitions. [2018-11-18 08:44:42,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:44:42,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-11-18 08:44:42,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:44:42,722 INFO L225 Difference]: With dead ends: 3327 [2018-11-18 08:44:42,722 INFO L226 Difference]: Without dead ends: 1313 [2018-11-18 08:44:42,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:44:42,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2018-11-18 08:44:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1313. [2018-11-18 08:44:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1313 states. [2018-11-18 08:44:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1544 transitions. [2018-11-18 08:44:42,782 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1544 transitions. Word has length 143 [2018-11-18 08:44:42,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:44:42,782 INFO L480 AbstractCegarLoop]: Abstraction has 1313 states and 1544 transitions. [2018-11-18 08:44:42,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:44:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1544 transitions. [2018-11-18 08:44:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 08:44:42,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:44:42,787 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:44:42,788 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:44:42,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:42,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1112644282, now seen corresponding path program 1 times [2018-11-18 08:44:42,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:44:42,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:42,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:44:42,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:44:42,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:44:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 08:44:42,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:44:42,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:44:42,879 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-18 08:44:42,879 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [99], [105], [109], [113], [116], [121], [124], [127], [129], [132], [148], [149], [150], [151], [152], [154], [157], [159], [162], [165], [174], [176], [177], [178], [179], [180], [181], [183], [188], [191], [192], [194], [199], [201], [202], [207], [209], [210], [211], [214], [217], [221], [227], [257], [261], [262], [266], [269], [271], [274], [281], [284], [287], [291], [292], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [309], [310], [311], [312], [315], [316], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [333], [334], [337], [338], [341], [342], [343], [344], [345], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [357], [358], [363], [364], [365], [367], [368], [369], [370], [373], [374] [2018-11-18 08:44:42,884 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:44:42,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:44:44,241 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:44:44,241 INFO L272 AbstractInterpreter]: Visited 147 different actions 573 times. Merged at 17 different actions 38 times. Never widened. Performed 20470 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20470 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 08:44:44,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:44,245 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:44:44,644 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 97.71% of their original sizes. [2018-11-18 08:44:44,644 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:44:44,894 INFO L415 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-11-18 08:44:44,894 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:44:44,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:44:44,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [5] total 35 [2018-11-18 08:44:44,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:44:44,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-18 08:44:44,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-18 08:44:44,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=851, Unknown=0, NotChecked=0, Total=992 [2018-11-18 08:44:44,895 INFO L87 Difference]: Start difference. First operand 1313 states and 1544 transitions. Second operand 32 states. [2018-11-18 08:45:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:00,741 INFO L93 Difference]: Finished difference Result 4205 states and 5431 transitions. [2018-11-18 08:45:00,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-11-18 08:45:00,741 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 187 [2018-11-18 08:45:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:00,747 INFO L225 Difference]: With dead ends: 4205 [2018-11-18 08:45:00,748 INFO L226 Difference]: Without dead ends: 3207 [2018-11-18 08:45:00,752 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 150 SyntacticMatches, 6 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4010 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1426, Invalid=10784, Unknown=0, NotChecked=0, Total=12210 [2018-11-18 08:45:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2018-11-18 08:45:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 3003. [2018-11-18 08:45:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3003 states. [2018-11-18 08:45:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 3490 transitions. [2018-11-18 08:45:00,902 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 3490 transitions. Word has length 187 [2018-11-18 08:45:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:00,903 INFO L480 AbstractCegarLoop]: Abstraction has 3003 states and 3490 transitions. [2018-11-18 08:45:00,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-18 08:45:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3490 transitions. [2018-11-18 08:45:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 08:45:00,910 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:00,910 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:45:00,911 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:00,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:00,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1685213955, now seen corresponding path program 1 times [2018-11-18 08:45:00,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:45:00,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:00,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:00,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:00,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:45:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 56 proven. 14 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 08:45:01,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:01,073 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:45:01,073 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-18 08:45:01,073 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [99], [105], [109], [113], [116], [119], [121], [124], [127], [129], [132], [148], [149], [150], [151], [152], [154], [157], [159], [162], [165], [168], [174], [176], [177], [178], [179], [180], [181], [183], [188], [191], [192], [194], [199], [201], [202], [207], [209], [210], [211], [214], [217], [221], [227], [257], [261], [262], [266], [269], [271], [274], [281], [284], [287], [291], [292], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [309], [310], [311], [312], [315], [316], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [333], [334], [337], [338], [341], [342], [343], [344], [345], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [357], [358], [363], [364], [365], [367], [368], [369], [370], [373], [374] [2018-11-18 08:45:01,077 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:45:01,077 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:45:02,879 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:45:02,879 INFO L272 AbstractInterpreter]: Visited 151 different actions 1469 times. Merged at 22 different actions 130 times. Widened at 1 different actions 1 times. Performed 53797 root evaluator evaluations with a maximum evaluation depth of 5. Performed 53797 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 33 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 08:45:02,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:02,882 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:45:02,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:02,882 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:45:02,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:02,899 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:45:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:03,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:45:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 08:45:03,289 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:45:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 56 proven. 14 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 08:45:03,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:45:03,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 08:45:03,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:45:03,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:45:03,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:45:03,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 08:45:03,965 INFO L87 Difference]: Start difference. First operand 3003 states and 3490 transitions. Second operand 8 states. [2018-11-18 08:45:04,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:04,172 INFO L93 Difference]: Finished difference Result 4620 states and 5447 transitions. [2018-11-18 08:45:04,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:45:04,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 260 [2018-11-18 08:45:04,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:04,173 INFO L225 Difference]: With dead ends: 4620 [2018-11-18 08:45:04,173 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:45:04,178 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 504 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 08:45:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:45:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:45:04,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:45:04,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:45:04,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2018-11-18 08:45:04,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:04,179 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:45:04,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:45:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:45:04,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:45:04,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:45:04,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:04,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:45:05,299 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 22 [2018-11-18 08:45:05,453 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2018-11-18 08:45:06,028 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 36 [2018-11-18 08:45:06,650 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 70 [2018-11-18 08:45:06,941 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-11-18 08:45:07,240 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 48 [2018-11-18 08:45:08,134 WARN L180 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 72 [2018-11-18 08:45:09,170 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 48 [2018-11-18 08:45:09,704 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 36 [2018-11-18 08:45:10,207 WARN L180 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2018-11-18 08:45:10,209 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 647 653) the Hoare annotation is: true [2018-11-18 08:45:10,209 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 647 653) no Hoare annotation was computed. [2018-11-18 08:45:10,209 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 654 662) no Hoare annotation was computed. [2018-11-18 08:45:10,209 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 654 662) the Hoare annotation is: true [2018-11-18 08:45:10,209 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 654 662) no Hoare annotation was computed. [2018-11-18 08:45:10,209 INFO L421 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,209 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,209 INFO L421 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,210 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,210 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-18 08:45:10,210 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-18 08:45:10,210 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,210 INFO L421 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,210 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-18 08:45:10,210 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-18 08:45:10,210 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 08:45:10,210 INFO L421 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse3 .cse4)))) [2018-11-18 08:45:10,210 INFO L421 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse3 .cse4)))) [2018-11-18 08:45:10,210 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2018-11-18 08:45:10,210 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse3 .cse4)))) [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2018-11-18 08:45:10,211 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 435 459) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) (not .cse4) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4))) [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 435 459) no Hoare annotation was computed. [2018-11-18 08:45:10,211 INFO L421 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 435 459) no Hoare annotation was computed. [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 613 627) no Hoare annotation was computed. [2018-11-18 08:45:10,211 INFO L421 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-18 08:45:10,211 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 613 627) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))) (or (= ~systemActive~0 0) (not (= |old(~systemActive~0)| 0)) .cse0))) [2018-11-18 08:45:10,211 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 613 627) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 530 538) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 530 538) the Hoare annotation is: true [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 530 538) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 594 612) the Hoare annotation is: true [2018-11-18 08:45:10,212 INFO L428 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 594 612) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 594 612) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 640 646) no Hoare annotation was computed. [2018-11-18 08:45:10,212 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 640 646) the Hoare annotation is: true [2018-11-18 08:45:10,213 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,213 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-18 08:45:10,213 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 519 529) the Hoare annotation is: true [2018-11-18 08:45:10,213 INFO L428 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: true [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 519 529) no Hoare annotation was computed. [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 519 529) no Hoare annotation was computed. [2018-11-18 08:45:10,213 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 511 518) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 511 518) no Hoare annotation was computed. [2018-11-18 08:45:10,213 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 511 518) no Hoare annotation was computed. [2018-11-18 08:45:10,214 INFO L421 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-11-18 08:45:10,214 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 461 485) no Hoare annotation was computed. [2018-11-18 08:45:10,214 INFO L421 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse4 .cse2))) [2018-11-18 08:45:10,214 INFO L421 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse1 .cse3 .cse6)))) [2018-11-18 08:45:10,214 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 461 485) no Hoare annotation was computed. [2018-11-18 08:45:10,214 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2018-11-18 08:45:10,214 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 461 485) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse5 .cse3) (or .cse1 .cse0 .cse2 .cse4))) [2018-11-18 08:45:10,214 INFO L421 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse3)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse2 .cse6 .cse3)))) [2018-11-18 08:45:10,214 INFO L425 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-11-18 08:45:10,215 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 482) no Hoare annotation was computed. [2018-11-18 08:45:10,215 INFO L425 ceAbstractionStarter]: For program point L284(lines 284 290) no Hoare annotation was computed. [2018-11-18 08:45:10,215 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 280 293) no Hoare annotation was computed. [2018-11-18 08:45:10,215 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 280 293) the Hoare annotation is: true [2018-11-18 08:45:10,215 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 280 293) no Hoare annotation was computed. [2018-11-18 08:45:10,215 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 401 407) no Hoare annotation was computed. [2018-11-18 08:45:10,215 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 401 407) the Hoare annotation is: true [2018-11-18 08:45:10,215 INFO L421 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:45:10,215 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 305 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,215 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 357) no Hoare annotation was computed. [2018-11-18 08:45:10,216 INFO L421 ceAbstractionStarter]: At program point L351-1(lines 345 358) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse2 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse1 .cse3))) [2018-11-18 08:45:10,216 INFO L425 ceAbstractionStarter]: For program point L316(lines 315 362) no Hoare annotation was computed. [2018-11-18 08:45:10,216 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 358) no Hoare annotation was computed. [2018-11-18 08:45:10,216 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 305 370) no Hoare annotation was computed. [2018-11-18 08:45:10,216 INFO L421 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 (not (= ~pumpRunning~0 0)) .cse2) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 08:45:10,216 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 341) no Hoare annotation was computed. [2018-11-18 08:45:10,216 INFO L425 ceAbstractionStarter]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2018-11-18 08:45:10,216 INFO L421 ceAbstractionStarter]: At program point L360(lines 315 362) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse2) (and (not (= ~waterLevel~0 1)) .cse3 (= ~pumpRunning~0 1) .cse1 .cse2 (not (= ~waterLevel~0 0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= ~pumpRunning~0 0) .cse1 .cse2) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:45:10,216 INFO L421 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse2 .cse0 (not (= ~waterLevel~0 0))) (and .cse1 .cse3 (= ~pumpRunning~0 0) .cse2 .cse0) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point L325-1(lines 325 331) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point L315-1(lines 315 362) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L421 ceAbstractionStarter]: At program point L363(lines 314 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 305 370) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 486 493) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not .cse6)) (.cse2 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse3 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2)))) [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 486 493) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 486 493) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 294 302) no Hoare annotation was computed. [2018-11-18 08:45:10,217 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 294 302) the Hoare annotation is: true [2018-11-18 08:45:10,217 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 294 302) no Hoare annotation was computed. [2018-11-18 08:45:10,218 INFO L421 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~systemActive~0 0))))) [2018-11-18 08:45:10,218 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-18 08:45:10,218 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 188) no Hoare annotation was computed. [2018-11-18 08:45:10,218 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 166 194) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 0)) (.cse7 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~waterLevel~0 1)) (.cse1 (not .cse9)) (.cse8 (and (or .cse7 .cse3 .cse9) (or .cse6 .cse7 .cse3))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 .cse5 (not (= 1 ~pumpRunning~0)) .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3 .cse2) (or .cse2 .cse8 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse5 .cse1 .cse8 .cse2)))) [2018-11-18 08:45:10,218 INFO L421 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 (< ~methaneLevelCritical~0 1) (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse5 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse5 .cse6) (or .cse1 .cse2 .cse6))) [2018-11-18 08:45:10,218 INFO L425 ceAbstractionStarter]: For program point L176-1(line 176) no Hoare annotation was computed. [2018-11-18 08:45:10,218 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 191) no Hoare annotation was computed. [2018-11-18 08:45:10,218 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 166 194) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L421 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 0)) (.cse7 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~waterLevel~0 1)) (.cse1 (not .cse9)) (.cse8 (and (or .cse7 .cse3 .cse9) (or .cse6 .cse7 .cse3))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 .cse5 (not (= 1 ~pumpRunning~0)) .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3 .cse2) (or .cse2 .cse8 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse5 .cse1 .cse8 .cse2)))) [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 166 194) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 158 165) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 494 510) no Hoare annotation was computed. [2018-11-18 08:45:10,219 INFO L421 ceAbstractionStarter]: At program point L505(line 505) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not .cse6)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 08:45:10,220 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 494 510) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not .cse6)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 494 510) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 507) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L421 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not .cse6)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 575 593) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L428 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point L584-2(lines 584 588) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 575 593) the Hoare annotation is: true [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point L582-1(line 582) no Hoare annotation was computed. [2018-11-18 08:45:10,220 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 575 593) no Hoare annotation was computed. [2018-11-18 08:45:10,221 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 227 238) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not .cse10)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse9 (< |old(~methaneLevelCritical~0)| 1)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse0 .cse3) (or .cse6 .cse4 .cse5 .cse7 .cse2) (or .cse6 .cse1 .cse2 .cse7) (or .cse8 .cse9 (or .cse1 .cse10)) (or .cse9 .cse8 .cse1 .cse2)))) [2018-11-18 08:45:10,221 INFO L425 ceAbstractionStarter]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2018-11-18 08:45:10,221 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 227 238) no Hoare annotation was computed. [2018-11-18 08:45:10,221 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 239 247) the Hoare annotation is: true [2018-11-18 08:45:10,221 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 239 247) no Hoare annotation was computed. [2018-11-18 08:45:10,221 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 239 247) no Hoare annotation was computed. [2018-11-18 08:45:10,221 INFO L421 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse11 (= 0 |old(~pumpRunning~0)|))) (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 0))) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse8 (= |old(~waterLevel~0)| 0)) (.cse0 (not .cse11)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse1) (or .cse4 .cse9 (or .cse1 .cse2)) (or (or .cse1 .cse2 .cse3) .cse9) (or .cse5 .cse8 .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse1 .cse3) (or .cse6 (not (= ~methaneLevelCritical~0 1)) .cse5 .cse8 .cse1 .cse2) (or .cse0 (not (= ~systemActive~0 0))) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse10 (or .cse1 .cse11)) (or .cse10 (or .cse1 .cse3 .cse11))))) [2018-11-18 08:45:10,221 INFO L425 ceAbstractionStarter]: For program point L381(lines 380 399) no Hoare annotation was computed. [2018-11-18 08:45:10,222 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 377 400) the Hoare annotation is: (let ((.cse18 (not (= ~waterLevel~0 1))) (.cse17 (not (= ~waterLevel~0 0))) (.cse1 (= |old(~waterLevel~0)| 1)) (.cse20 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse16 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse9 (and (or .cse4 .cse16 .cse20) (or .cse3 .cse4 .cse16))) (.cse11 (not .cse1)) (.cse12 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse15 (= ~methAndRunningLastTime~0 0)) (.cse14 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and .cse18 .cse17)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse7 (not .cse20)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse19 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse7 .cse9 .cse11 .cse12) (or .cse13 .cse7 .cse14) (or .cse6 .cse7 .cse14 .cse15 .cse16) (or .cse0 .cse1 .cse7 .cse9 .cse17) (or .cse7 .cse14 .cse11 .cse12) (or .cse1 .cse7 .cse18 .cse4 .cse16 .cse19) (or .cse0 (and .cse15 .cse13) .cse4 .cse16) (or .cse7 .cse8 .cse9 .cse19 .cse10) (or .cse7 .cse9 .cse11 .cse19 .cse12) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse19) (or .cse1 .cse5 .cse3 .cse4 .cse16 .cse19) (or .cse6 .cse7 .cse14 .cse8 .cse16 .cse10) (or .cse13 .cse0 (or .cse4 .cse20)) (or .cse15 (or .cse4 .cse16 .cse19)) (or .cse18 .cse1 .cse7 .cse14) (or .cse6 .cse1 .cse5 .cse3 .cse4 .cse16) (or .cse0 .cse1 .cse7 .cse18 .cse4 .cse16) (or .cse13 .cse4 .cse16 .cse19) (or .cse13 (or .cse4 .cse19 .cse20))))) [2018-11-18 08:45:10,222 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 377 400) no Hoare annotation was computed. [2018-11-18 08:45:10,222 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 377 400) no Hoare annotation was computed. [2018-11-18 08:45:10,222 INFO L421 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse16 (= 0 |old(~pumpRunning~0)|)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (= |old(~waterLevel~0)| 1)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (and (= ~methAndRunningLastTime~0 0) .cse15)) (.cse2 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not .cse12)) (.cse6 (= 1 ~waterLevel~0)) (.cse13 (not (= ~waterLevel~0 0))) (.cse3 (and (or .cse8 .cse9 .cse16) (or (= |old(~waterLevel~0)| 0) .cse8 .cse9))) (.cse11 (< ~methaneLevelCritical~0 1)) (.cse1 (not .cse16)) (.cse14 (not (= ~waterLevel~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse12 .cse1 .cse3 .cse13) (or .cse12 .cse1 .cse14 .cse8 .cse9 .cse10) (or .cse11 .cse7 .cse8 .cse9) (or .cse1 .cse2 .cse3 .cse10 .cse4) (or .cse1 .cse3 .cse5 .cse10 .cse6) (or .cse1 .cse13 .cse3 .cse10) (or .cse15 .cse11 (or .cse8 .cse16)) (or .cse1 (not (= ~systemActive~0 0))) (or .cse11 .cse12 .cse1 .cse14 .cse8 .cse9) (or .cse15 (or .cse8 .cse10 .cse16))))) [2018-11-18 08:45:10,222 INFO L421 ceAbstractionStarter]: At program point L388(lines 388 394) the Hoare annotation is: (let ((.cse22 (= ~systemActive~0 1))) (let ((.cse9 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not .cse22)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse21 (not (= ~waterLevel~0 1))) (.cse18 (not (= ~waterLevel~0 0))) (.cse17 (= |old(~waterLevel~0)| 1)) (.cse20 (= ~pumpRunning~0 0)) (.cse19 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and .cse19 .cse6)) (.cse7 (and (= 0 ~methaneLevelCritical~0) .cse20 .cse22)) (.cse14 (not .cse17)) (.cse15 (= 1 ~waterLevel~0)) (.cse2 (and .cse19 .cse21 (= ~pumpRunning~0 1) .cse18)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse11 (= ~waterLevel~0 2)) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse12 (and (or .cse4 .cse5 .cse9) (or (= |old(~waterLevel~0)| 0) .cse4 .cse5))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse16 (not (= ~systemActive~0 0))) (.cse1 (not .cse9)) (.cse0 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse4 .cse8 .cse9)) (or .cse10 .cse1 .cse11 .cse12 .cse13) (or .cse10 .cse1 .cse12 .cse14 .cse15) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or .cse6 .cse1 .cse16) (or .cse0 .cse17 .cse1 .cse12 .cse18) (or .cse10 .cse1 .cse16 .cse19 .cse5) (or .cse19 (or .cse4 .cse5 .cse8) .cse7) (or (or .cse10 .cse4 .cse5) (and .cse19 .cse20)) (or .cse17 .cse1 .cse21 .cse4 .cse5 .cse8) (or .cse1 .cse16 .cse14 .cse15) (or .cse1 .cse12 .cse14 .cse8 .cse15) (or .cse1 .cse2 .cse11 .cse12 .cse8 .cse13) (or .cse10 .cse1 .cse16 .cse11 .cse5 .cse13) (or .cse1 .cse18 .cse12 .cse8) (or .cse21 .cse17 .cse1 .cse16) (or .cse0 .cse17 .cse1 .cse21 .cse4 .cse5) (or .cse0 .cse20 (or .cse4 .cse9)))))) [2018-11-18 08:45:10,222 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 08:45:10,223 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 08:45:10,223 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 08:45:10,223 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 08:45:10,223 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 08:45:10,223 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 08:45:10,223 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 08:45:10,223 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 08:45:10,223 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 08:45:10,223 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 08:45:10,223 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 08:45:10,223 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 203 214) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (or .cse6 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (not (= ~waterLevel~0 0))) (.cse0 (= |old(~waterLevel~0)| 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse1 .cse5 .cse0 .cse6) (or .cse1 .cse5 .cse0 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse6 .cse3 .cse4)))) [2018-11-18 08:45:10,223 INFO L425 ceAbstractionStarter]: For program point L207-1(lines 203 214) no Hoare annotation was computed. [2018-11-18 08:45:10,224 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 203 214) no Hoare annotation was computed. [2018-11-18 08:45:10,224 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 08:45:10,224 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 08:45:10,224 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:45:10,224 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 08:45:10,224 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:45:10,224 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:45:10,224 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2018-11-18 08:45:10,224 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 409 433) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) (not .cse4) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4))) [2018-11-18 08:45:10,224 INFO L421 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 08:45:10,224 INFO L425 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-18 08:45:10,225 INFO L425 ceAbstractionStarter]: For program point L413(lines 413 430) no Hoare annotation was computed. [2018-11-18 08:45:10,225 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 409 433) no Hoare annotation was computed. [2018-11-18 08:45:10,225 INFO L421 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse3 .cse4)))) [2018-11-18 08:45:10,225 INFO L425 ceAbstractionStarter]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2018-11-18 08:45:10,225 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 08:45:10,225 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 0))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4 .cse3))) [2018-11-18 08:45:10,225 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 215 226) no Hoare annotation was computed. [2018-11-18 08:45:10,225 INFO L425 ceAbstractionStarter]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2018-11-18 08:45:10,225 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 215 226) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 0)) (.cse10 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse14 (= 0 ~pumpRunning~0))) (let ((.cse9 (not (= ~waterLevel~0 0))) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse0 (= ~waterLevel~0 2)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not .cse14)) (.cse6 (and (or .cse10 .cse3 .cse14) (or .cse8 .cse10 .cse3))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse13 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse0 .cse4 .cse6 .cse5) (or .cse7 .cse8 .cse9 (or .cse10 .cse11) .cse3) (or .cse4 .cse6 .cse12 .cse11 .cse13) (or (< ~methaneLevelCritical~0 1) .cse9 .cse7 .cse8 .cse10) (or .cse4 .cse2 .cse12 .cse13) (or .cse0 (or .cse4 .cse11) .cse6 .cse5) (or .cse1 .cse4 .cse6 .cse12 .cse13)))) [2018-11-18 08:45:10,226 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2018-11-18 08:45:10,226 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-11-18 08:45:10,226 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 146 153) the Hoare annotation is: true [2018-11-18 08:45:10,226 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2018-11-18 08:45:10,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:45:10 BoogieIcfgContainer [2018-11-18 08:45:10,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:45:10,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:45:10,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:45:10,237 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:45:10,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:31" (3/4) ... [2018-11-18 08:45:10,240 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:45:10,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 08:45:10,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 08:45:10,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:45:10,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 08:45:10,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 08:45:10,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 08:45:10,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 08:45:10,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 08:45:10,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:45:10,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:45:10,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 08:45:10,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 08:45:10,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 08:45:10,254 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:45:10,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || (((((!(waterLevel == 1) && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && !(waterLevel == 0))) || !(0 == \old(pumpRunning))) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 08:45:10,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 08:45:10,304 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65278aa0-2143-470f-89c9-2e676851062f/bin-2019/utaipan/witness.graphml [2018-11-18 08:45:10,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:45:10,305 INFO L168 Benchmark]: Toolchain (without parser) took 39390.67 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 956.4 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 315.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:10,305 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:10,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:10,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.41 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. [2018-11-18 08:45:10,306 INFO L168 Benchmark]: Boogie Preprocessor took 32.18 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:10,306 INFO L168 Benchmark]: RCFGBuilder took 537.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:10,306 INFO L168 Benchmark]: TraceAbstraction took 38374.57 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-18 08:45:10,306 INFO L168 Benchmark]: Witness Printer took 68.06 ms. Allocated memory is still 3.4 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 214.0 kB). Peak memory consumption was 214.0 kB. Max. memory is 11.5 GB. [2018-11-18 08:45:10,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.41 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. * Boogie Preprocessor took 32.18 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 537.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38374.57 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 68.06 ms. Allocated memory is still 3.4 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 214.0 kB). Peak memory consumption was 214.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || (((((!(waterLevel == 1) && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && !(waterLevel == 0))) || !(0 == \old(pumpRunning))) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 176 locations, 1 error locations. SAFE Result, 38.3s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 24.3s AutomataDifference, 0.0s DeadEndRemovalTime, 6.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3119 SDtfs, 3146 SDslu, 14203 SDs, 0 SdLazy, 7165 SolverSat, 1568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1009 GetRequests, 781 SyntacticMatches, 13 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4539 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3003occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.6s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9964890412646182 AbsIntWeakeningRatio, 0.8557046979865772 AbsIntAvgWeakeningVarsNumRemoved, 87.62080536912751 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 386 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 5828 PreInvPairs, 6137 NumberOfFragments, 4597 HoareAnnotationTreeSize, 5828 FomulaSimplifications, 18930 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 73 FomulaSimplificationsInter, 44263 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1581 NumberOfCodeBlocks, 1581 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1827 ConstructedInterpolants, 0 QuantifiedInterpolants, 419390 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1064 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 617/653 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...