./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_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_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/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 8aa13c479cead5ea7576ebfa7eb0df26504503d1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:30:11,948 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:30:11,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:30:11,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:30:11,956 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:30:11,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:30:11,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:30:11,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:30:11,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:30:11,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:30:11,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:30:11,961 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:30:11,962 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:30:11,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:30:11,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:30:11,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:30:11,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:30:11,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:30:11,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:30:11,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:30:11,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:30:11,969 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:30:11,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:30:11,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:30:11,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:30:11,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:30:11,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:30:11,973 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:30:11,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:30:11,974 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:30:11,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:30:11,975 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:30:11,975 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:30:11,975 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:30:11,976 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:30:11,976 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:30:11,976 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:30:11,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:30:11,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:30:11,984 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:30:11,984 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:30:11,985 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:30:11,985 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:30:11,985 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:30:11,985 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:30:11,985 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:30:11,985 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:30:11,985 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:30:11,986 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:30:11,986 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:30:11,986 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:30:11,986 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:30:11,986 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:30:11,987 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:30:11,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:30:11,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:30:11,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:30:11,988 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:30:11,988 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:30:11,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:30:11,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:30:11,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:30:11,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:30:11,989 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:30:11,989 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:30:11,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:30:11,989 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:30:11,989 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_2466d98a-fcad-40f6-a3de-032ada626460/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 -> 8aa13c479cead5ea7576ebfa7eb0df26504503d1 [2018-11-18 13:30:12,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:30:12,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:30:12,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:30:12,027 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:30:12,028 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:30:12,028 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-18 13:30:12,066 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/data/02282976f/2c259ac75b2340cdb2c1a662d31ff663/FLAGfc6b675a8 [2018-11-18 13:30:12,498 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:30:12,498 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-18 13:30:12,505 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/data/02282976f/2c259ac75b2340cdb2c1a662d31ff663/FLAGfc6b675a8 [2018-11-18 13:30:12,514 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/data/02282976f/2c259ac75b2340cdb2c1a662d31ff663 [2018-11-18 13:30:12,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:30:12,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:30:12,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:30:12,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:30:12,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:30:12,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be92882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12, skipping insertion in model container [2018-11-18 13:30:12,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:30:12,566 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:30:12,755 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:30:12,761 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:30:12,855 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:30:12,871 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:30:12,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12 WrapperNode [2018-11-18 13:30:12,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:30:12,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:30:12,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:30:12,872 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:30:12,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:30:12,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:30:12,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:30:12,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:30:12,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... [2018-11-18 13:30:12,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:30:12,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:30:12,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:30:12,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:30:12,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/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 13:30:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:30:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:30:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:30:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:30:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 13:30:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 13:30:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:30:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:30:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:30:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:30:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:30:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:30:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:30:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:30:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:30:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:30:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:30:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:30:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:30:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:30:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:30:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 13:30:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 13:30:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 13:30:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 13:30:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:30:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:30:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:30:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:30:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:30:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:30:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:30:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:30:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:30:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:30:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:30:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:30:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:30:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:30:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 13:30:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 13:30:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:30:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:30:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:30:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:30:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:30:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:30:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:30:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:30:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:30:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:30:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:30:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:30:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:30:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:30:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:30:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:30:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:30:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:30:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:30:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:30:13,359 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:30:13,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:30:13 BoogieIcfgContainer [2018-11-18 13:30:13,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:30:13,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:30:13,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:30:13,365 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:30:13,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:30:12" (1/3) ... [2018-11-18 13:30:13,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a800735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:30:13, skipping insertion in model container [2018-11-18 13:30:13,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:12" (2/3) ... [2018-11-18 13:30:13,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a800735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:30:13, skipping insertion in model container [2018-11-18 13:30:13,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:30:13" (3/3) ... [2018-11-18 13:30:13,367 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-18 13:30:13,376 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:30:13,383 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:30:13,395 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:30:13,422 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:30:13,422 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:30:13,422 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:30:13,422 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:30:13,423 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:30:13,423 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:30:13,423 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:30:13,423 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:30:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-18 13:30:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:30:13,443 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:13,443 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 13:30:13,445 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:13,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:13,450 INFO L82 PathProgramCache]: Analyzing trace with hash 2127611475, now seen corresponding path program 1 times [2018-11-18 13:30:13,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:13,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:13,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:13,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:13,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:13,658 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 13:30:13,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:13,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:30:13,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:13,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:30:13,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:30:13,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:30:13,676 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-11-18 13:30:13,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:13,707 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2018-11-18 13:30:13,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:30:13,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 13:30:13,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:13,717 INFO L225 Difference]: With dead ends: 286 [2018-11-18 13:30:13,717 INFO L226 Difference]: Without dead ends: 145 [2018-11-18 13:30:13,720 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 13:30:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-18 13:30:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 13:30:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 13:30:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-18 13:30:13,758 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2018-11-18 13:30:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:13,759 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-18 13:30:13,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:30:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-18 13:30:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:30:13,761 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:13,762 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 13:30:13,762 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:13,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:13,762 INFO L82 PathProgramCache]: Analyzing trace with hash -291032661, now seen corresponding path program 1 times [2018-11-18 13:30:13,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:13,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:13,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:13,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:13,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:13,843 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 13:30:13,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:13,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:30:13,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:13,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:30:13,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:30:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:30:13,846 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2018-11-18 13:30:13,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:13,864 INFO L93 Difference]: Finished difference Result 223 states and 261 transitions. [2018-11-18 13:30:13,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:30:13,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 13:30:13,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:13,870 INFO L225 Difference]: With dead ends: 223 [2018-11-18 13:30:13,870 INFO L226 Difference]: Without dead ends: 135 [2018-11-18 13:30:13,871 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 13:30:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-18 13:30:13,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-18 13:30:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 13:30:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2018-11-18 13:30:13,882 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 53 [2018-11-18 13:30:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:13,883 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2018-11-18 13:30:13,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:30:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2018-11-18 13:30:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:30:13,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:13,885 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] [2018-11-18 13:30:13,885 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:13,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:13,885 INFO L82 PathProgramCache]: Analyzing trace with hash 218829476, now seen corresponding path program 1 times [2018-11-18 13:30:13,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:13,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:13,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:13,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:13,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:13,991 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 13:30:13,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:13,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:30:13,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:13,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:30:13,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:30:13,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:30:13,992 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 7 states. [2018-11-18 13:30:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:14,459 INFO L93 Difference]: Finished difference Result 401 states and 486 transitions. [2018-11-18 13:30:14,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:30:14,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 13:30:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:14,462 INFO L225 Difference]: With dead ends: 401 [2018-11-18 13:30:14,462 INFO L226 Difference]: Without dead ends: 294 [2018-11-18 13:30:14,463 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 13:30:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-18 13:30:14,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2018-11-18 13:30:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-18 13:30:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 341 transitions. [2018-11-18 13:30:14,491 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 341 transitions. Word has length 58 [2018-11-18 13:30:14,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:14,492 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 341 transitions. [2018-11-18 13:30:14,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:30:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 341 transitions. [2018-11-18 13:30:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:30:14,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:14,494 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 13:30:14,495 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:14,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:14,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1401152378, now seen corresponding path program 1 times [2018-11-18 13:30:14,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:14,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:14,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:14,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:14,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:14,592 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 13:30:14,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:14,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:30:14,593 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:14,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:30:14,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:30:14,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:30:14,594 INFO L87 Difference]: Start difference. First operand 282 states and 341 transitions. Second operand 6 states. [2018-11-18 13:30:14,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:14,809 INFO L93 Difference]: Finished difference Result 772 states and 957 transitions. [2018-11-18 13:30:14,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:30:14,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 13:30:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:14,814 INFO L225 Difference]: With dead ends: 772 [2018-11-18 13:30:14,814 INFO L226 Difference]: Without dead ends: 518 [2018-11-18 13:30:14,816 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 13:30:14,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2018-11-18 13:30:14,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 512. [2018-11-18 13:30:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-11-18 13:30:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 622 transitions. [2018-11-18 13:30:14,850 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 622 transitions. Word has length 63 [2018-11-18 13:30:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:14,850 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 622 transitions. [2018-11-18 13:30:14,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:30:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 622 transitions. [2018-11-18 13:30:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:30:14,853 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:14,853 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 13:30:14,856 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:14,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:14,857 INFO L82 PathProgramCache]: Analyzing trace with hash -704499070, now seen corresponding path program 1 times [2018-11-18 13:30:14,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:14,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:14,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:14,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:14,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:14,958 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 13:30:14,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:14,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:30:14,959 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:14,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:30:14,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:30:14,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:30:14,960 INFO L87 Difference]: Start difference. First operand 512 states and 622 transitions. Second operand 7 states. [2018-11-18 13:30:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:15,500 INFO L93 Difference]: Finished difference Result 1333 states and 1740 transitions. [2018-11-18 13:30:15,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 13:30:15,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 13:30:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:15,504 INFO L225 Difference]: With dead ends: 1333 [2018-11-18 13:30:15,504 INFO L226 Difference]: Without dead ends: 849 [2018-11-18 13:30:15,506 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 13:30:15,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-18 13:30:15,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 745. [2018-11-18 13:30:15,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2018-11-18 13:30:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 901 transitions. [2018-11-18 13:30:15,554 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 901 transitions. Word has length 67 [2018-11-18 13:30:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:15,555 INFO L480 AbstractCegarLoop]: Abstraction has 745 states and 901 transitions. [2018-11-18 13:30:15,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:30:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 901 transitions. [2018-11-18 13:30:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 13:30:15,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:15,558 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:15,558 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:15,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:15,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1369750768, now seen corresponding path program 1 times [2018-11-18 13:30:15,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:15,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:15,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:15,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:15,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:15,631 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 13:30:15,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:15,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:30:15,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:15,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:30:15,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:30:15,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:30:15,633 INFO L87 Difference]: Start difference. First operand 745 states and 901 transitions. Second operand 6 states. [2018-11-18 13:30:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:15,687 INFO L93 Difference]: Finished difference Result 1482 states and 1824 transitions. [2018-11-18 13:30:15,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:30:15,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 13:30:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:15,691 INFO L225 Difference]: With dead ends: 1482 [2018-11-18 13:30:15,691 INFO L226 Difference]: Without dead ends: 765 [2018-11-18 13:30:15,693 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 13:30:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-11-18 13:30:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2018-11-18 13:30:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-11-18 13:30:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 921 transitions. [2018-11-18 13:30:15,729 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 921 transitions. Word has length 90 [2018-11-18 13:30:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:15,730 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 921 transitions. [2018-11-18 13:30:15,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:30:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 921 transitions. [2018-11-18 13:30:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 13:30:15,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:15,733 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:15,734 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:15,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:15,734 INFO L82 PathProgramCache]: Analyzing trace with hash -668150894, now seen corresponding path program 1 times [2018-11-18 13:30:15,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:15,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:15,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:15,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:15,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:15,813 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 13:30:15,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:15,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:30:15,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:15,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:30:15,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:30:15,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:30:15,815 INFO L87 Difference]: Start difference. First operand 765 states and 921 transitions. Second operand 8 states. [2018-11-18 13:30:15,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:15,846 INFO L93 Difference]: Finished difference Result 1530 states and 1902 transitions. [2018-11-18 13:30:15,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:30:15,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-11-18 13:30:15,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:15,850 INFO L225 Difference]: With dead ends: 1530 [2018-11-18 13:30:15,850 INFO L226 Difference]: Without dead ends: 793 [2018-11-18 13:30:15,851 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 13:30:15,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-18 13:30:15,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 781. [2018-11-18 13:30:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-18 13:30:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 937 transitions. [2018-11-18 13:30:15,873 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 937 transitions. Word has length 90 [2018-11-18 13:30:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:15,874 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 937 transitions. [2018-11-18 13:30:15,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:30:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 937 transitions. [2018-11-18 13:30:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 13:30:15,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:15,875 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:15,875 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:15,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1057330003, now seen corresponding path program 1 times [2018-11-18 13:30:15,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:15,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:15,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:15,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:15,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:15,964 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 13:30:15,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:15,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:30:15,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:15,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:30:15,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:30:15,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:30:15,965 INFO L87 Difference]: Start difference. First operand 781 states and 937 transitions. Second operand 4 states. [2018-11-18 13:30:16,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:16,145 INFO L93 Difference]: Finished difference Result 2537 states and 3190 transitions. [2018-11-18 13:30:16,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:30:16,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-11-18 13:30:16,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:16,150 INFO L225 Difference]: With dead ends: 2537 [2018-11-18 13:30:16,150 INFO L226 Difference]: Without dead ends: 1784 [2018-11-18 13:30:16,152 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 13:30:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2018-11-18 13:30:16,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1753. [2018-11-18 13:30:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1753 states. [2018-11-18 13:30:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2153 transitions. [2018-11-18 13:30:16,211 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2153 transitions. Word has length 90 [2018-11-18 13:30:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:16,212 INFO L480 AbstractCegarLoop]: Abstraction has 1753 states and 2153 transitions. [2018-11-18 13:30:16,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:30:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2153 transitions. [2018-11-18 13:30:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:30:16,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:16,214 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:16,215 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:16,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:16,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1045618777, now seen corresponding path program 1 times [2018-11-18 13:30:16,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:16,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:16,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:16,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:16,216 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:16,263 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 13:30:16,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:16,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:30:16,264 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:16,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:30:16,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:30:16,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:30:16,264 INFO L87 Difference]: Start difference. First operand 1753 states and 2153 transitions. Second operand 3 states. [2018-11-18 13:30:16,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:16,414 INFO L93 Difference]: Finished difference Result 2772 states and 3511 transitions. [2018-11-18 13:30:16,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:30:16,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-11-18 13:30:16,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:16,425 INFO L225 Difference]: With dead ends: 2772 [2018-11-18 13:30:16,425 INFO L226 Difference]: Without dead ends: 2769 [2018-11-18 13:30:16,427 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:30:16,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2018-11-18 13:30:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2583. [2018-11-18 13:30:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2583 states. [2018-11-18 13:30:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2583 states and 3283 transitions. [2018-11-18 13:30:16,576 INFO L78 Accepts]: Start accepts. Automaton has 2583 states and 3283 transitions. Word has length 94 [2018-11-18 13:30:16,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:16,577 INFO L480 AbstractCegarLoop]: Abstraction has 2583 states and 3283 transitions. [2018-11-18 13:30:16,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:30:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 3283 transitions. [2018-11-18 13:30:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 13:30:16,586 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:16,586 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:16,586 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:16,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1470158279, now seen corresponding path program 1 times [2018-11-18 13:30:16,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:16,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:16,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:16,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:16,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:16,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:16,661 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:16,662 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 13:30:16,663 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [76], [82], [86], [90], [93], [98], [101], [104], [106], [112], [118], [126], [127], [128], [130], [133], [135], [138], [141], [144], [152], [153], [154], [155], [156], [157], [158], [159], [161], [166], [168], [169], [174], [176], [177], [178], [208], [211], [215], [221], [226], [228], [229], [233], [236], [238], [241], [248], [251], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [276], [277], [278], [279], [280], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [298], [299], [302], [303], [304], [305], [306], [308], [309], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [327], [330], [331] [2018-11-18 13:30:16,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:16,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:17,553 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:30:17,554 INFO L272 AbstractInterpreter]: Visited 101 different actions 155 times. Merged at 10 different actions 10 times. Never widened. Performed 7921 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7921 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 135 variables. [2018-11-18 13:30:17,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:17,560 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:30:18,216 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 96.18% of their original sizes. [2018-11-18 13:30:18,216 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:30:18,525 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 13:30:18,525 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:30:18,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:30:18,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [5] total 30 [2018-11-18 13:30:18,526 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:18,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-18 13:30:18,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-18 13:30:18,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2018-11-18 13:30:18,527 INFO L87 Difference]: Start difference. First operand 2583 states and 3283 transitions. Second operand 27 states. [2018-11-18 13:30:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:31,952 INFO L93 Difference]: Finished difference Result 6924 states and 9114 transitions. [2018-11-18 13:30:31,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-18 13:30:31,952 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 160 [2018-11-18 13:30:31,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:31,969 INFO L225 Difference]: With dead ends: 6924 [2018-11-18 13:30:31,970 INFO L226 Difference]: Without dead ends: 4699 [2018-11-18 13:30:31,976 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=1809, Unknown=0, NotChecked=0, Total=2070 [2018-11-18 13:30:31,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2018-11-18 13:30:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4325. [2018-11-18 13:30:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4325 states. [2018-11-18 13:30:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5331 transitions. [2018-11-18 13:30:32,218 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5331 transitions. Word has length 160 [2018-11-18 13:30:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:32,219 INFO L480 AbstractCegarLoop]: Abstraction has 4325 states and 5331 transitions. [2018-11-18 13:30:32,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-18 13:30:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5331 transitions. [2018-11-18 13:30:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 13:30:32,228 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:32,228 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:32,228 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:32,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:32,228 INFO L82 PathProgramCache]: Analyzing trace with hash 904987967, now seen corresponding path program 1 times [2018-11-18 13:30:32,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:32,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:32,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:32,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:32,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:32,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:32,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:32,357 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-18 13:30:32,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [76], [82], [86], [90], [93], [96], [98], [101], [104], [106], [112], [118], [126], [127], [128], [130], [133], [135], [138], [141], [144], [152], [153], [154], [155], [156], [157], [158], [159], [161], [166], [168], [169], [174], [176], [177], [178], [208], [211], [215], [221], [224], [228], [229], [233], [236], [238], [241], [248], [251], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [276], [277], [278], [279], [280], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [298], [299], [302], [303], [304], [305], [306], [308], [309], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [327], [330], [331] [2018-11-18 13:30:32,362 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:32,363 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:33,392 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:33,392 INFO L272 AbstractInterpreter]: Visited 126 different actions 788 times. Merged at 22 different actions 77 times. Never widened. Performed 27066 root evaluator evaluations with a maximum evaluation depth of 5. Performed 27066 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 13:30:33,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:33,394 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:33,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:33,394 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/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 13:30:33,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:33,401 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:33,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:33,598 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:33,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:33,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:30:33,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 13:30:33,879 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:33,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:30:33,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:30:33,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 13:30:33,880 INFO L87 Difference]: Start difference. First operand 4325 states and 5331 transitions. Second operand 9 states. [2018-11-18 13:30:35,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:35,139 INFO L93 Difference]: Finished difference Result 11574 states and 16543 transitions. [2018-11-18 13:30:35,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 13:30:35,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2018-11-18 13:30:35,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:35,174 INFO L225 Difference]: With dead ends: 11574 [2018-11-18 13:30:35,174 INFO L226 Difference]: Without dead ends: 8331 [2018-11-18 13:30:35,187 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 305 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 13:30:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8331 states. [2018-11-18 13:30:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8331 to 6889. [2018-11-18 13:30:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6889 states. [2018-11-18 13:30:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6889 states to 6889 states and 8776 transitions. [2018-11-18 13:30:35,690 INFO L78 Accepts]: Start accepts. Automaton has 6889 states and 8776 transitions. Word has length 156 [2018-11-18 13:30:35,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:35,690 INFO L480 AbstractCegarLoop]: Abstraction has 6889 states and 8776 transitions. [2018-11-18 13:30:35,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:30:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 6889 states and 8776 transitions. [2018-11-18 13:30:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 13:30:35,696 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:35,696 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:35,697 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:35,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:35,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1056278110, now seen corresponding path program 1 times [2018-11-18 13:30:35,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:35,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:35,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:35,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:35,698 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:30:35,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:35,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:30:35,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:35,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:30:35,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:30:35,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:30:35,758 INFO L87 Difference]: Start difference. First operand 6889 states and 8776 transitions. Second operand 4 states. [2018-11-18 13:30:36,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:36,007 INFO L93 Difference]: Finished difference Result 10832 states and 13785 transitions. [2018-11-18 13:30:36,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:30:36,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2018-11-18 13:30:36,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:36,018 INFO L225 Difference]: With dead ends: 10832 [2018-11-18 13:30:36,018 INFO L226 Difference]: Without dead ends: 4029 [2018-11-18 13:30:36,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 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 13:30:36,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2018-11-18 13:30:36,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 3945. [2018-11-18 13:30:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3945 states. [2018-11-18 13:30:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 4905 transitions. [2018-11-18 13:30:36,163 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 4905 transitions. Word has length 164 [2018-11-18 13:30:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:36,164 INFO L480 AbstractCegarLoop]: Abstraction has 3945 states and 4905 transitions. [2018-11-18 13:30:36,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:30:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 4905 transitions. [2018-11-18 13:30:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 13:30:36,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:36,167 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:36,167 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:36,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:36,167 INFO L82 PathProgramCache]: Analyzing trace with hash 832601409, now seen corresponding path program 1 times [2018-11-18 13:30:36,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:36,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:36,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:36,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:36,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:30:36,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:30:36,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:30:36,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:30:36,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:30:36,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:30:36,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:30:36,247 INFO L87 Difference]: Start difference. First operand 3945 states and 4905 transitions. Second operand 9 states. [2018-11-18 13:30:36,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:36,335 INFO L93 Difference]: Finished difference Result 5015 states and 6226 transitions. [2018-11-18 13:30:36,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:30:36,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2018-11-18 13:30:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:36,340 INFO L225 Difference]: With dead ends: 5015 [2018-11-18 13:30:36,341 INFO L226 Difference]: Without dead ends: 1852 [2018-11-18 13:30:36,345 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:30:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2018-11-18 13:30:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1766. [2018-11-18 13:30:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1766 states. [2018-11-18 13:30:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2052 transitions. [2018-11-18 13:30:36,409 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2052 transitions. Word has length 156 [2018-11-18 13:30:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:36,409 INFO L480 AbstractCegarLoop]: Abstraction has 1766 states and 2052 transitions. [2018-11-18 13:30:36,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:30:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2052 transitions. [2018-11-18 13:30:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 13:30:36,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:36,412 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:30:36,412 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:36,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash -209974946, now seen corresponding path program 1 times [2018-11-18 13:30:36,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:36,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:36,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:36,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:36,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 13:30:36,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:36,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:36,486 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-11-18 13:30:36,486 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [76], [82], [86], [90], [93], [96], [98], [101], [104], [106], [112], [118], [128], [130], [133], [135], [138], [141], [144], [152], [153], [154], [155], [156], [157], [158], [159], [161], [166], [168], [169], [174], [176], [177], [178], [208], [211], [215], [221], [224], [228], [229], [233], [236], [238], [241], [251], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [278], [279], [280], [288], [289], [290], [291], [292], [293], [298], [299], [302], [303], [304], [305], [306], [308], [309], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [327] [2018-11-18 13:30:36,488 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:36,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:37,226 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:37,227 INFO L272 AbstractInterpreter]: Visited 106 different actions 592 times. Merged at 20 different actions 54 times. Never widened. Performed 23022 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 135 variables. [2018-11-18 13:30:37,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:37,236 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:37,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:37,236 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:37,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:37,242 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:37,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:30:37,439 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:30:37,763 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:37,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 19 [2018-11-18 13:30:37,763 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:37,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 13:30:37,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 13:30:37,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:30:37,764 INFO L87 Difference]: Start difference. First operand 1766 states and 2052 transitions. Second operand 14 states. [2018-11-18 13:30:38,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:38,673 INFO L93 Difference]: Finished difference Result 2685 states and 3155 transitions. [2018-11-18 13:30:38,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 13:30:38,673 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 158 [2018-11-18 13:30:38,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:38,674 INFO L225 Difference]: With dead ends: 2685 [2018-11-18 13:30:38,674 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:30:38,678 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 310 SyntacticMatches, 14 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=339, Invalid=1143, Unknown=0, NotChecked=0, Total=1482 [2018-11-18 13:30:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:30:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:30:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:30:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:30:38,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-18 13:30:38,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:38,679 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:30:38,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 13:30:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:30:38,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:30:38,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:30:38,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:38,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:39,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:30:40,236 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2018-11-18 13:30:40,672 WARN L180 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2018-11-18 13:30:41,077 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2018-11-18 13:30:41,379 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 44 [2018-11-18 13:30:41,760 WARN L180 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 72 [2018-11-18 13:30:42,253 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 57 [2018-11-18 13:30:42,627 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 38 [2018-11-18 13:30:42,793 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-11-18 13:30:43,137 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-11-18 13:30:43,604 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 72 [2018-11-18 13:30:44,064 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 54 [2018-11-18 13:30:44,237 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 13:30:44,549 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 45 [2018-11-18 13:30:44,733 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2018-11-18 13:30:45,036 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2018-11-18 13:30:45,366 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 42 [2018-11-18 13:30:45,722 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 53 [2018-11-18 13:30:46,094 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 45 [2018-11-18 13:30:46,358 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2018-11-18 13:30:46,360 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 504 510) the Hoare annotation is: true [2018-11-18 13:30:46,360 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 504 510) no Hoare annotation was computed. [2018-11-18 13:30:46,360 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 511 519) no Hoare annotation was computed. [2018-11-18 13:30:46,360 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 511 519) the Hoare annotation is: true [2018-11-18 13:30:46,360 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 511 519) no Hoare annotation was computed. [2018-11-18 13:30:46,361 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 422 444) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,361 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 422 444) no Hoare annotation was computed. [2018-11-18 13:30:46,361 INFO L421 ceAbstractionStarter]: At program point L434(line 434) 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)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~5 1) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 13:30:46,361 INFO L421 ceAbstractionStarter]: At program point L434-1(line 434) 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)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~5 1) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 13:30:46,361 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 439) no Hoare annotation was computed. [2018-11-18 13:30:46,361 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 432 439) no Hoare annotation was computed. [2018-11-18 13:30:46,361 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 13:30:46,361 INFO L421 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,361 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 422 444) no Hoare annotation was computed. [2018-11-18 13:30:46,361 INFO L421 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,362 INFO L421 ceAbstractionStarter]: At program point L428-1(line 428) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,362 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 321 335) no Hoare annotation was computed. [2018-11-18 13:30:46,362 INFO L421 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse3 .cse1)) (or .cse2 .cse4 (or (= |old(~systemActive~0)| 0) .cse3) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1))) .cse2 .cse3 .cse4 (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1) .cse1))) [2018-11-18 13:30:46,362 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 321 335) the Hoare annotation is: (let ((.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse4 (= ~systemActive~0 1)) (.cse11 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (and (not (= ~systemActive~0 0)) .cse2) (or (= |old(~systemActive~0)| 0) .cse3)) (or .cse4 (let ((.cse5 (not (= ~methAndRunningLastTime~0 1))) (.cse8 (not (= ~waterLevel~0 2)))) (and (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse5 .cse9 .cse1 .cse6 .cse8)))) (or (< 1 ~waterLevel~0) .cse2 (or .cse10 (< ~waterLevel~0 1) .cse11)) (or .cse0 (or .cse10 .cse3 .cse11) .cse2) (or (and .cse7 .cse9) .cse0 .cse3 .cse1 .cse6 .cse4 .cse11))) [2018-11-18 13:30:46,362 INFO L425 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-11-18 13:30:46,362 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 321 335) no Hoare annotation was computed. [2018-11-18 13:30:46,362 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:30:46,362 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 238 246) the Hoare annotation is: true [2018-11-18 13:30:46,362 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 302 320) the Hoare annotation is: true [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 302 320) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L428 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point L309-1(line 309) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 302 320) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 497 503) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 497 503) the Hoare annotation is: true [2018-11-18 13:30:46,363 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 408 418) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,363 INFO L421 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 408 418) no Hoare annotation was computed. [2018-11-18 13:30:46,363 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 408 418) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 219 226) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< 2 ~waterLevel~0) (or (= ~systemActive~0 0) (< ~waterLevel~0 2)) .cse0 .cse1) (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) .cse0 (not (= ~systemActive~0 1)) .cse1))) [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 219 226) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 219 226) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point L605(lines 605 611) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 601 614) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 601 614) the Hoare annotation is: true [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 601 614) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0)))) [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point L190(lines 190 207) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 186 210) no Hoare annotation was computed. [2018-11-18 13:30:46,364 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 186 210) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse5 (or .cse1 (< ~waterLevel~0 2) .cse3 .cse4) (< 2 ~waterLevel~0)) (or .cse0 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse5))) [2018-11-18 13:30:46,365 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse3 .cse1 .cse2 .cse4 .cse5) (or .cse5 (or .cse3 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0)))) [2018-11-18 13:30:46,365 INFO L425 ceAbstractionStarter]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2018-11-18 13:30:46,365 INFO L421 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2) (< 2 ~waterLevel~0)))) [2018-11-18 13:30:46,365 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|)) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2) (< 2 ~waterLevel~0)))) [2018-11-18 13:30:46,365 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2018-11-18 13:30:46,365 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-11-18 13:30:46,365 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-11-18 13:30:46,365 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-11-18 13:30:46,365 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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 13:30:46,365 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-11-18 13:30:46,366 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 56 105) no Hoare annotation was computed. [2018-11-18 13:30:46,366 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-11-18 13:30:46,366 INFO L421 ceAbstractionStarter]: At program point L106(lines 55 107) 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 13:30:46,366 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= ~waterLevel~0 1) (and .cse0 (<= 1 ~waterLevel~0) .cse2 .cse3)))) [2018-11-18 13:30:46,366 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-18 13:30:46,366 INFO L421 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse4 .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse6 .cse3 .cse7) (and .cse1 .cse6 .cse4 .cse3 .cse5 .cse7) (and .cse6 (= ~pumpRunning~0 1) .cse4 .cse3 .cse7) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:30:46,366 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-11-18 13:30:46,366 INFO L421 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse1 .cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (<= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse3 .cse1 .cse4) .cse2))) [2018-11-18 13:30:46,367 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-11-18 13:30:46,367 INFO L421 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~systemActive~0 1)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse1 .cse7 .cse8 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 (= ~pumpRunning~0 1) .cse6 .cse3 .cse5) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:30:46,367 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-11-18 13:30:46,367 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-11-18 13:30:46,367 INFO L421 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse8 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 (= ~pumpRunning~0 1) .cse8 .cse3 .cse5) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:30:46,367 INFO L421 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse8 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5) (and .cse2 (= ~pumpRunning~0 1) .cse8 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 13:30:46,367 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-11-18 13:30:46,367 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-18 13:30:46,367 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 615 623) no Hoare annotation was computed. [2018-11-18 13:30:46,368 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 615 623) the Hoare annotation is: true [2018-11-18 13:30:46,368 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 615 623) no Hoare annotation was computed. [2018-11-18 13:30:46,368 INFO L421 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse7 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse4 (< 1 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 1)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (or .cse7 .cse2)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse5 .cse7) (or .cse6 .cse0 (or .cse7 .cse1)) (or .cse3 .cse0 .cse1)))) [2018-11-18 13:30:46,368 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2018-11-18 13:30:46,368 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-18 13:30:46,368 INFO L421 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse8 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse10 (or .cse0 .cse9)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse14 (< 1 ~waterLevel~0)) (.cse15 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 0))) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (not (= ~waterLevel~0 2))) (.cse16 (or .cse0 .cse8 .cse9)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 (or .cse8 .cse9)) (or .cse1 .cse5 (or .cse10 .cse6)) (or .cse0 .cse2 .cse8 .cse3 .cse4) (or .cse11 .cse12 (or .cse0 .cse8) .cse3 .cse13) (or .cse14 .cse1 .cse10 .cse15) (or .cse2 .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse14 .cse15 .cse16) (or .cse1 .cse12 (or .cse11 .cse0 .cse3 .cse13)) (or .cse16 .cse5 .cse6)))) [2018-11-18 13:30:46,368 INFO L425 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 456 484) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse9 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or (and (or .cse0 .cse5 .cse3 .cse6) (or .cse7 .cse0 .cse5 .cse3)) .cse8 .cse9 .cse10) (or .cse2 .cse9 .cse10 (not (= 1 ~pumpRunning~0)) .cse5 .cse3) (or .cse1 .cse8 (let ((.cse11 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse3 .cse6 .cse11) (or .cse7 .cse0 .cse3 .cse11)))))) [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point L464(lines 464 481) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point L464-1(lines 456 484) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L421 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse9 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or (and (or .cse0 .cse5 .cse3 .cse6) (or .cse7 .cse0 .cse5 .cse3)) .cse8 .cse9 .cse10) (or .cse2 .cse9 .cse10 (not (= 1 ~pumpRunning~0)) .cse5 .cse3) (or .cse1 .cse8 (let ((.cse11 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse3 .cse6 .cse11) (or .cse7 .cse0 .cse3 .cse11)))))) [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 456 484) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:30:46,369 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 283 301) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 283 301) the Hoare annotation is: true [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 283 301) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2018-11-18 13:30:46,370 INFO L428 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-11-18 13:30:46,370 INFO L425 ceAbstractionStarter]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 548 559) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse10 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse11 (not (= ~waterLevel~0 1))) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse13 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse12 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (or .cse15 .cse14)) (.cse8 (not (= ~systemActive~0 0))) (.cse16 (and (or .cse7 .cse10 .cse4 .cse5) (or .cse6 .cse7 .cse10 .cse5)))) (and (or .cse0 (let ((.cse1 (not (= ~methAndRunningLastTime~0 1)))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse3 .cse5)))) (or .cse7 .cse8 .cse9 .cse10 .cse11 .cse4) (or .cse12 .cse9 (or .cse7 .cse13 .cse3 .cse10 .cse4)) (or .cse6 .cse12 .cse13 .cse2 .cse3 (or .cse14 .cse15) .cse10) (or .cse8 .cse4 .cse9 .cse16) (or .cse7 .cse3 .cse9 .cse10 .cse11 .cse4) (or .cse6 .cse7 .cse15 .cse3 .cse10 .cse5) (or .cse9 (or .cse13 (or .cse3 .cse10 .cse4)) .cse12 .cse2) (or .cse0 .cse8 .cse16)))) [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 548 559) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 548 559) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 560 568) the Hoare annotation is: true [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 560 568) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 560 568) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 346 375) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L428 ceAbstractionStarter]: At program point L360-1(lines 360 364) the Hoare annotation is: true [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point L356-1(lines 356 370) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L428 ceAbstractionStarter]: At program point L356-3(lines 356 370) the Hoare annotation is: true [2018-11-18 13:30:46,371 INFO L428 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2018-11-18 13:30:46,371 INFO L425 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-18 13:30:46,371 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 346 375) the Hoare annotation is: true [2018-11-18 13:30:46,372 INFO L428 ceAbstractionStarter]: At program point L371(lines 346 375) the Hoare annotation is: true [2018-11-18 13:30:46,372 INFO L425 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2018-11-18 13:30:46,372 INFO L425 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2018-11-18 13:30:46,372 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (let ((.cse18 (<= ~waterLevel~0 2)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (= ~systemActive~0 0))) (.cse13 (and .cse18 .cse8 .cse9)) (.cse15 (< |old(~waterLevel~0)| 2)) (.cse14 (< 2 |old(~waterLevel~0)|)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse17 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (<= ~waterLevel~0 1)) (.cse16 (= 0 ~methAndRunningLastTime~0))) (and (or (= ~methAndRunningLastTime~0 1) (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4)))) (or .cse6 (and .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12)) (or .cse13 .cse14 (or .cse15 .cse2) .cse1) (or .cse14 .cse16 (or .cse15 (or .cse1 .cse2 .cse17))) (or .cse16 .cse11 (and (or .cse10 .cse17 .cse3 .cse4) (or .cse5 .cse10 .cse17 .cse4))) (or .cse10 .cse11 .cse16 .cse17 (not (= |old(~waterLevel~0)| 1))) (or (or .cse11 (or .cse10 .cse15)) .cse13 .cse14) (or (and .cse18 .cse16 .cse8 .cse9) (or .cse10 .cse15 .cse2 .cse17) .cse14) (or .cse6 .cse10 .cse12 .cse2 .cse17 (and .cse7 .cse16 .cse8 .cse9))))) [2018-11-18 13:30:46,372 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 (or .cse5 .cse6) .cse7 (and .cse8 (<= 1 ~waterLevel~0) .cse9)) (or (or .cse2 (or .cse1 .cse5)) .cse4) (or .cse4 (or .cse5 (or .cse7 .cse6 .cse10)) .cse11) (or (and (<= ~waterLevel~0 2) .cse11 .cse12 .cse9) (or .cse1 .cse5 .cse6 .cse10) .cse4) (or .cse0 .cse1 .cse3 .cse6 .cse10 (and .cse8 .cse11 .cse12 .cse9)))) [2018-11-18 13:30:46,372 INFO L421 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse14 (and .cse12 .cse4 .cse5)) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 0))) (.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse3 (<= 1 ~waterLevel~0))) (or (< 1 |old(~waterLevel~0)|) (and .cse3 .cse4 .cse5) (or .cse6 .cse7 (< |old(~waterLevel~0)| 1))) (or (and (or .cse6 .cse8) (or .cse9 .cse6)) .cse10 .cse0 .cse1 .cse2 .cse11) (or (or .cse6 .cse1 .cse2 .cse11) .cse0 (and .cse12 (= ~pumpRunning~0 1) .cse13 .cse5) .cse14) (or .cse6 (and (= 1 ~waterLevel~0) .cse13 .cse4) .cse2 .cse11 .cse15) (or (or .cse7 (or .cse6 .cse1)) .cse0 .cse14) (or .cse7 .cse10 (let ((.cse16 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse6 .cse11 .cse8 .cse16) (or .cse9 .cse6 .cse11 .cse16)))) (or .cse6 .cse7 .cse13 .cse11 .cse15)))) [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or (= 0 ~methAndRunningLastTime~0) .cse6 (or .cse7 (or .cse8 .cse4 .cse5))) (or .cse6 (or .cse7 .cse4) .cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (or .cse2 (or .cse1 .cse7)) .cse6) (or (or .cse1 .cse7 .cse4 .cse5) .cse6))) [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point L132(lines 131 150) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 524 535) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (or (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2)) (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~pumpRunning~0))) [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 524 535) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 400 406) the Hoare annotation is: true [2018-11-18 13:30:46,373 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:30:46,373 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 13:30:46,373 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:30:46,374 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:30:46,374 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (< 2 ~waterLevel~0)) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 1))))) [2018-11-18 13:30:46,374 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2018-11-18 13:30:46,374 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0)))) [2018-11-18 13:30:46,374 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-11-18 13:30:46,374 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (let ((.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) .cse3) (or (< 1 ~waterLevel~0) .cse3 .cse0 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-18 13:30:46,374 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-18 13:30:46,374 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-11-18 13:30:46,374 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (< 2 ~waterLevel~0)) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 1))))) [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~waterLevel~0 2)))) (and (or (< ~waterLevel~0 2) (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0)) (< 2 ~waterLevel~0) .cse0) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1)) .cse5) (or .cse2 (let ((.cse7 (not (= ~methAndRunningLastTime~0 1)))) (and (or .cse7 .cse0 .cse3 .cse5 .cse6) (or .cse7 .cse8 .cse0 .cse3 .cse6)))) (or .cse8 .cse1 .cse2 .cse3 .cse4 .cse6))) [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 536 547) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 536 547) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 536 547) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and (<= ~waterLevel~0 2) .cse11)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (or .cse5 .cse6)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 0))) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse10 (and (<= ~waterLevel~0 1) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse8 .cse9 .cse7 .cse10 .cse4) (or .cse8 .cse0 .cse9 .cse4 .cse10 .cse5)))) [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 991 998) no Hoare annotation was computed. [2018-11-18 13:30:46,375 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-11-18 13:30:46,376 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 991 998) the Hoare annotation is: true [2018-11-18 13:30:46,376 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 991 998) no Hoare annotation was computed. [2018-11-18 13:30:46,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:30:46 BoogieIcfgContainer [2018-11-18 13:30:46,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:30:46,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:30:46,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:30:46,387 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:30:46,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:30:13" (3/4) ... [2018-11-18 13:30:46,390 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:30:46,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:30:46,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:30:46,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:30:46,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:30:46,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 13:30:46,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:30:46,397 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:30:46,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 13:30:46,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:30:46,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:30:46,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((systemActive == 0 && 0 == pumpRunning) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((((0 == pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 13:30:46,430 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 13:30:46,464 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2466d98a-fcad-40f6-a3de-032ada626460/bin-2019/utaipan/witness.graphml [2018-11-18 13:30:46,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:30:46,465 INFO L168 Benchmark]: Toolchain (without parser) took 33948.37 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 956.6 MB in the beginning and 1.8 GB in the end (delta: -827.4 MB). Peak memory consumption was 791.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:46,465 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:30:46,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:46,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.98 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 13:30:46,466 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:46,466 INFO L168 Benchmark]: RCFGBuilder took 442.52 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:46,466 INFO L168 Benchmark]: TraceAbstraction took 33024.45 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -753.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 13:30:46,467 INFO L168 Benchmark]: Witness Printer took 77.53 ms. Allocated memory is still 2.6 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:46,468 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.52 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33024.45 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -753.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 77.53 ms. Allocated memory is still 2.6 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 995]: 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: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((((((((((((systemActive == 0 && 0 == pumpRunning) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((((0 == pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 32.9s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 17.8s AutomataDifference, 0.0s DeadEndRemovalTime, 7.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2802 SDtfs, 3273 SDslu, 9687 SDs, 0 SdLazy, 7526 SolverSat, 1171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 968 GetRequests, 793 SyntacticMatches, 17 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6889occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9970279320457552 AbsIntWeakeningRatio, 0.8176100628930818 AbsIntAvgWeakeningVarsNumRemoved, 26.540880503144653 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 2337 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 8553 PreInvPairs, 8818 NumberOfFragments, 4009 HoareAnnotationTreeSize, 8553 FomulaSimplifications, 45007 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 64955 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1764 NumberOfCodeBlocks, 1764 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2060 ConstructedInterpolants, 0 QuantifiedInterpolants, 444029 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1658 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 362/393 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...