./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/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 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:45:29,023 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:45:29,024 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:45:29,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:45:29,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:45:29,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:45:29,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:45:29,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:45:29,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:45:29,033 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:45:29,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:45:29,034 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:45:29,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:45:29,035 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:45:29,035 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:45:29,036 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:45:29,036 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:45:29,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:45:29,038 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:45:29,038 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:45:29,039 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:45:29,040 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:45:29,041 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:45:29,041 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:45:29,041 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:45:29,041 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:45:29,042 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:45:29,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:45:29,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:45:29,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:45:29,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:45:29,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:45:29,043 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:45:29,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:45:29,044 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:45:29,044 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:45:29,044 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 15:45:29,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:45:29,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:45:29,052 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:45:29,052 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:45:29,052 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:45:29,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 15:45:29,053 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:45:29,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:45:29,054 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:45:29,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:45:29,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:45:29,055 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 15:45:29,056 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_5924dea1-2156-44f9-8698-cbd545466beb/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 -> 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 [2018-12-08 15:45:29,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:45:29,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:45:29,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:45:29,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:45:29,086 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:45:29,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-08 15:45:29,127 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/data/21023353a/615d031923da4e03b01a22b6adf39b01/FLAG284719719 [2018-12-08 15:45:29,600 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:45:29,600 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-08 15:45:29,606 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/data/21023353a/615d031923da4e03b01a22b6adf39b01/FLAG284719719 [2018-12-08 15:45:29,615 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/data/21023353a/615d031923da4e03b01a22b6adf39b01 [2018-12-08 15:45:29,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:45:29,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:45:29,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:45:29,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:45:29,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:45:29,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29, skipping insertion in model container [2018-12-08 15:45:29,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:45:29,657 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:45:29,832 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:45:29,870 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:45:29,917 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:45:29,932 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:45:29,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29 WrapperNode [2018-12-08 15:45:29,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:45:29,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:45:29,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:45:29,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:45:29,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:45:29,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:45:29,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:45:29,953 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:45:29,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... [2018-12-08 15:45:29,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:45:29,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:45:29,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:45:29,976 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:45:29,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/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 [2018-12-08 15:45:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 15:45:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 15:45:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 15:45:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 15:45:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 15:45:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 15:45:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 15:45:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 15:45:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 15:45:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 15:45:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 15:45:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 15:45:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 15:45:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 15:45:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 15:45:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 15:45:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 15:45:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 15:45:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 15:45:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 15:45:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 15:45:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 15:45:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 15:45:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 15:45:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 15:45:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 15:45:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 15:45:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 15:45:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 15:45:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 15:45:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 15:45:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 15:45:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 15:45:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 15:45:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 15:45:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 15:45:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 15:45:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 15:45:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 15:45:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 15:45:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 15:45:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 15:45:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 15:45:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 15:45:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 15:45:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 15:45:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 15:45:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 15:45:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 15:45:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 15:45:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 15:45:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 15:45:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:45:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:45:30,287 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:45:30,287 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 15:45:30,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:45:30 BoogieIcfgContainer [2018-12-08 15:45:30,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:45:30,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:45:30,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:45:30,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:45:30,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:45:29" (1/3) ... [2018-12-08 15:45:30,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbaa158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:45:30, skipping insertion in model container [2018-12-08 15:45:30,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:29" (2/3) ... [2018-12-08 15:45:30,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbaa158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:45:30, skipping insertion in model container [2018-12-08 15:45:30,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:45:30" (3/3) ... [2018-12-08 15:45:30,291 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-08 15:45:30,297 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:45:30,302 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 15:45:30,310 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 15:45:30,328 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:45:30,328 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:45:30,328 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:45:30,328 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:45:30,328 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:45:30,328 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:45:30,328 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:45:30,328 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:45:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-08 15:45:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 15:45:30,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:30,345 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:30,346 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:30,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:30,349 INFO L82 PathProgramCache]: Analyzing trace with hash 343582345, now seen corresponding path program 1 times [2018-12-08 15:45:30,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:30,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:30,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,378 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:30,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:30,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 15:45:30,500 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:30,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 15:45:30,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 15:45:30,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 15:45:30,513 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-08 15:45:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:30,535 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-08 15:45:30,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 15:45:30,536 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 15:45:30,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:30,542 INFO L225 Difference]: With dead ends: 268 [2018-12-08 15:45:30,542 INFO L226 Difference]: Without dead ends: 136 [2018-12-08 15:45:30,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 15:45:30,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-08 15:45:30,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-08 15:45:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-08 15:45:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-12-08 15:45:30,575 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2018-12-08 15:45:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:30,575 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-12-08 15:45:30,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 15:45:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-12-08 15:45:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 15:45:30,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:30,577 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:30,578 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:30,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:30,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1908109699, now seen corresponding path program 1 times [2018-12-08 15:45:30,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:30,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:30,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:30,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:30,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 15:45:30,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:30,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 15:45:30,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 15:45:30,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:45:30,675 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 7 states. [2018-12-08 15:45:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:30,827 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2018-12-08 15:45:30,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 15:45:30,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 15:45:30,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:30,829 INFO L225 Difference]: With dead ends: 244 [2018-12-08 15:45:30,829 INFO L226 Difference]: Without dead ends: 136 [2018-12-08 15:45:30,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:45:30,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-08 15:45:30,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-08 15:45:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-08 15:45:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-12-08 15:45:30,839 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 64 [2018-12-08 15:45:30,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:30,840 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-12-08 15:45:30,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 15:45:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-12-08 15:45:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 15:45:30,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:30,841 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:30,842 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:30,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:30,842 INFO L82 PathProgramCache]: Analyzing trace with hash 436251940, now seen corresponding path program 1 times [2018-12-08 15:45:30,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:30,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:30,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,843 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:30,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:30,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:45:30,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:30,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:45:30,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:45:30,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:30,898 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 3 states. [2018-12-08 15:45:30,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:30,908 INFO L93 Difference]: Finished difference Result 217 states and 251 transitions. [2018-12-08 15:45:30,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:45:30,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-12-08 15:45:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:30,910 INFO L225 Difference]: With dead ends: 217 [2018-12-08 15:45:30,910 INFO L226 Difference]: Without dead ends: 127 [2018-12-08 15:45:30,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-08 15:45:30,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-08 15:45:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-08 15:45:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2018-12-08 15:45:30,920 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 73 [2018-12-08 15:45:30,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:30,921 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2018-12-08 15:45:30,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:45:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2018-12-08 15:45:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 15:45:30,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:30,923 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:30,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:30,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:30,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1156819935, now seen corresponding path program 1 times [2018-12-08 15:45:30,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:30,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:30,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:30,924 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:31,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:31,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 15:45:31,007 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:31,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 15:45:31,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 15:45:31,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 15:45:31,008 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2018-12-08 15:45:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:31,284 INFO L93 Difference]: Finished difference Result 327 states and 395 transitions. [2018-12-08 15:45:31,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 15:45:31,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-12-08 15:45:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:31,286 INFO L225 Difference]: With dead ends: 327 [2018-12-08 15:45:31,286 INFO L226 Difference]: Without dead ends: 228 [2018-12-08 15:45:31,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 15:45:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-08 15:45:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2018-12-08 15:45:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-12-08 15:45:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2018-12-08 15:45:31,306 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2018-12-08 15:45:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:31,306 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2018-12-08 15:45:31,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 15:45:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2018-12-08 15:45:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 15:45:31,308 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:31,308 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:31,308 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:31,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:31,308 INFO L82 PathProgramCache]: Analyzing trace with hash -868280581, now seen corresponding path program 1 times [2018-12-08 15:45:31,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:31,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:31,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 15:45:31,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:31,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 15:45:31,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:31,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 15:45:31,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 15:45:31,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:45:31,364 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 7 states. [2018-12-08 15:45:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:31,651 INFO L93 Difference]: Finished difference Result 409 states and 485 transitions. [2018-12-08 15:45:31,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 15:45:31,651 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-12-08 15:45:31,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:31,652 INFO L225 Difference]: With dead ends: 409 [2018-12-08 15:45:31,653 INFO L226 Difference]: Without dead ends: 227 [2018-12-08 15:45:31,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 15:45:31,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-08 15:45:31,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-12-08 15:45:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-08 15:45:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-12-08 15:45:31,668 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2018-12-08 15:45:31,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:31,668 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-12-08 15:45:31,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 15:45:31,669 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-12-08 15:45:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 15:45:31,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:31,670 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:31,670 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:31,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:31,670 INFO L82 PathProgramCache]: Analyzing trace with hash -412314374, now seen corresponding path program 1 times [2018-12-08 15:45:31,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:31,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:31,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:31,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:31,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 15:45:31,729 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:31,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:45:31,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:45:31,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 15:45:31,729 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-12-08 15:45:31,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:31,755 INFO L93 Difference]: Finished difference Result 395 states and 458 transitions. [2018-12-08 15:45:31,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 15:45:31,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-12-08 15:45:31,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:31,757 INFO L225 Difference]: With dead ends: 395 [2018-12-08 15:45:31,758 INFO L226 Difference]: Without dead ends: 214 [2018-12-08 15:45:31,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:45:31,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-12-08 15:45:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-12-08 15:45:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-12-08 15:45:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2018-12-08 15:45:31,772 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2018-12-08 15:45:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:31,772 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2018-12-08 15:45:31,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:45:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2018-12-08 15:45:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 15:45:31,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:31,774 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:31,774 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:31,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:31,774 INFO L82 PathProgramCache]: Analyzing trace with hash 289285500, now seen corresponding path program 1 times [2018-12-08 15:45:31,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:31,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:31,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:31,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:31,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 15:45:31,832 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:31,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 15:45:31,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 15:45:31,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 15:45:31,833 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 8 states. [2018-12-08 15:45:31,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:31,858 INFO L93 Difference]: Finished difference Result 407 states and 475 transitions. [2018-12-08 15:45:31,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 15:45:31,859 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-12-08 15:45:31,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:31,860 INFO L225 Difference]: With dead ends: 407 [2018-12-08 15:45:31,860 INFO L226 Difference]: Without dead ends: 221 [2018-12-08 15:45:31,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 15:45:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-12-08 15:45:31,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2018-12-08 15:45:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-12-08 15:45:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2018-12-08 15:45:31,874 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2018-12-08 15:45:31,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:31,875 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2018-12-08 15:45:31,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 15:45:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2018-12-08 15:45:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 15:45:31,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:31,876 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:31,876 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:31,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:31,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2014766397, now seen corresponding path program 1 times [2018-12-08 15:45:31,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:31,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:31,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:31,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:31,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:31,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 15:45:31,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:31,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 15:45:31,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 15:45:31,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:45:31,951 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 4 states. [2018-12-08 15:45:32,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:32,070 INFO L93 Difference]: Finished difference Result 633 states and 754 transitions. [2018-12-08 15:45:32,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 15:45:32,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2018-12-08 15:45:32,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:32,071 INFO L225 Difference]: With dead ends: 633 [2018-12-08 15:45:32,071 INFO L226 Difference]: Without dead ends: 443 [2018-12-08 15:45:32,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:45:32,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-12-08 15:45:32,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2018-12-08 15:45:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-12-08 15:45:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 506 transitions. [2018-12-08 15:45:32,088 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 506 transitions. Word has length 92 [2018-12-08 15:45:32,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:32,088 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 506 transitions. [2018-12-08 15:45:32,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 15:45:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 506 transitions. [2018-12-08 15:45:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 15:45:32,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:32,090 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:32,090 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:32,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:32,090 INFO L82 PathProgramCache]: Analyzing trace with hash 33539639, now seen corresponding path program 1 times [2018-12-08 15:45:32,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:32,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:32,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:32,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:32,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 15:45:32,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:32,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 15:45:32,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:32,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 15:45:32,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 15:45:32,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 15:45:32,197 INFO L87 Difference]: Start difference. First operand 434 states and 506 transitions. Second operand 9 states. [2018-12-08 15:45:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:32,700 INFO L93 Difference]: Finished difference Result 1133 states and 1386 transitions. [2018-12-08 15:45:32,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 15:45:32,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-12-08 15:45:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:32,704 INFO L225 Difference]: With dead ends: 1133 [2018-12-08 15:45:32,705 INFO L226 Difference]: Without dead ends: 795 [2018-12-08 15:45:32,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 15:45:32,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-12-08 15:45:32,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 722. [2018-12-08 15:45:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2018-12-08 15:45:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 832 transitions. [2018-12-08 15:45:32,748 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 832 transitions. Word has length 96 [2018-12-08 15:45:32,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:32,749 INFO L480 AbstractCegarLoop]: Abstraction has 722 states and 832 transitions. [2018-12-08 15:45:32,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 15:45:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 832 transitions. [2018-12-08 15:45:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 15:45:32,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:32,751 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:32,751 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:32,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1455453004, now seen corresponding path program 1 times [2018-12-08 15:45:32,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:32,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:32,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:32,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:32,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 15:45:32,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:32,845 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:45:32,846 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-08 15:45:32,847 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-08 15:45:32,871 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:45:32,871 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:45:33,789 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:45:33,789 INFO L272 AbstractInterpreter]: Visited 123 different actions 518 times. Merged at 15 different actions 42 times. Never widened. Performed 18094 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 15:45:33,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:33,795 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:45:33,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:33,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/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 [2018-12-08 15:45:33,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:33,803 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:45:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:33,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:45:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:45:34,004 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:45:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 15:45:34,219 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:45:34,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 15:45:34,219 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:45:34,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 15:45:34,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 15:45:34,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 15:45:34,220 INFO L87 Difference]: Start difference. First operand 722 states and 832 transitions. Second operand 16 states. [2018-12-08 15:45:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:34,795 INFO L93 Difference]: Finished difference Result 1616 states and 1943 transitions. [2018-12-08 15:45:34,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 15:45:34,795 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2018-12-08 15:45:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:34,798 INFO L225 Difference]: With dead ends: 1616 [2018-12-08 15:45:34,798 INFO L226 Difference]: Without dead ends: 988 [2018-12-08 15:45:34,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 302 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 15:45:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-12-08 15:45:34,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 868. [2018-12-08 15:45:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2018-12-08 15:45:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1012 transitions. [2018-12-08 15:45:34,831 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1012 transitions. Word has length 155 [2018-12-08 15:45:34,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:34,831 INFO L480 AbstractCegarLoop]: Abstraction has 868 states and 1012 transitions. [2018-12-08 15:45:34,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 15:45:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1012 transitions. [2018-12-08 15:45:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 15:45:34,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:34,834 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:34,834 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:34,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:34,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2076581160, now seen corresponding path program 1 times [2018-12-08 15:45:34,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:34,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:34,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:34,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:34,835 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 15:45:34,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:34,916 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:45:34,916 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 270 with the following transitions: [2018-12-08 15:45:34,916 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-08 15:45:34,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:45:34,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:45:35,520 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:45:35,521 INFO L272 AbstractInterpreter]: Visited 124 different actions 521 times. Merged at 15 different actions 42 times. Never widened. Performed 17703 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17703 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 15:45:35,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:35,526 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:45:35,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:35,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/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 [2018-12-08 15:45:35,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:35,533 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:45:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:35,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:45:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 15:45:35,772 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:45:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-08 15:45:36,223 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:45:36,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-08 15:45:36,223 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:45:36,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 15:45:36,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 15:45:36,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-12-08 15:45:36,224 INFO L87 Difference]: Start difference. First operand 868 states and 1012 transitions. Second operand 19 states. [2018-12-08 15:45:38,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:38,613 INFO L93 Difference]: Finished difference Result 3182 states and 4481 transitions. [2018-12-08 15:45:38,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-08 15:45:38,614 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 269 [2018-12-08 15:45:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:38,624 INFO L225 Difference]: With dead ends: 3182 [2018-12-08 15:45:38,624 INFO L226 Difference]: Without dead ends: 2350 [2018-12-08 15:45:38,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 530 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=760, Invalid=3932, Unknown=0, NotChecked=0, Total=4692 [2018-12-08 15:45:38,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2018-12-08 15:45:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 1635. [2018-12-08 15:45:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-12-08 15:45:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1842 transitions. [2018-12-08 15:45:38,692 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1842 transitions. Word has length 269 [2018-12-08 15:45:38,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:38,693 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 1842 transitions. [2018-12-08 15:45:38,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 15:45:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1842 transitions. [2018-12-08 15:45:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 15:45:38,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:38,696 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 15:45:38,696 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:38,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:38,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1354066118, now seen corresponding path program 1 times [2018-12-08 15:45:38,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:38,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:38,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:38,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:38,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 15:45:38,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:38,813 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:45:38,813 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-12-08 15:45:38,813 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [158], [160], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-08 15:45:38,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:45:38,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:45:39,955 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:45:39,955 INFO L272 AbstractInterpreter]: Visited 134 different actions 928 times. Merged at 23 different actions 107 times. Never widened. Performed 36023 root evaluator evaluations with a maximum evaluation depth of 3. Performed 36023 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 30 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-08 15:45:39,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:39,957 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:45:39,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:39,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 15:45:39,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:39,963 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:45:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:40,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:45:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-08 15:45:40,130 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:45:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 15:45:40,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:45:40,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-12-08 15:45:40,530 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:45:40,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 15:45:40,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 15:45:40,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 15:45:40,531 INFO L87 Difference]: Start difference. First operand 1635 states and 1842 transitions. Second operand 20 states. [2018-12-08 15:45:41,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:41,223 INFO L93 Difference]: Finished difference Result 3086 states and 3495 transitions. [2018-12-08 15:45:41,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 15:45:41,224 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 289 [2018-12-08 15:45:41,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:41,229 INFO L225 Difference]: With dead ends: 3086 [2018-12-08 15:45:41,229 INFO L226 Difference]: Without dead ends: 1639 [2018-12-08 15:45:41,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 573 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-12-08 15:45:41,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-12-08 15:45:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1635. [2018-12-08 15:45:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-12-08 15:45:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1837 transitions. [2018-12-08 15:45:41,305 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1837 transitions. Word has length 289 [2018-12-08 15:45:41,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:41,305 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 1837 transitions. [2018-12-08 15:45:41,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 15:45:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1837 transitions. [2018-12-08 15:45:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 15:45:41,308 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:41,309 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 15:45:41,309 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:41,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:41,309 INFO L82 PathProgramCache]: Analyzing trace with hash 800919447, now seen corresponding path program 1 times [2018-12-08 15:45:41,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:41,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:41,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-08 15:45:41,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:41,465 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:45:41,465 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-12-08 15:45:41,465 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [24], [27], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [158], [160], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-12-08 15:45:41,467 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:45:41,467 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:45:42,792 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:45:42,792 INFO L272 AbstractInterpreter]: Visited 135 different actions 1161 times. Merged at 24 different actions 156 times. Widened at 1 different actions 1 times. Performed 42780 root evaluator evaluations with a maximum evaluation depth of 3. Performed 42780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 52 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-08 15:45:42,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:42,794 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:45:42,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:45:42,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 15:45:42,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:42,800 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:45:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:42,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:45:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-08 15:45:42,963 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:45:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 94 proven. 27 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 15:45:43,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:45:43,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-12-08 15:45:43,325 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:45:43,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 15:45:43,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 15:45:43,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-12-08 15:45:43,326 INFO L87 Difference]: Start difference. First operand 1635 states and 1837 transitions. Second operand 14 states. [2018-12-08 15:45:44,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:44,296 INFO L93 Difference]: Finished difference Result 3504 states and 4272 transitions. [2018-12-08 15:45:44,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 15:45:44,296 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2018-12-08 15:45:44,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:44,303 INFO L225 Difference]: With dead ends: 3504 [2018-12-08 15:45:44,303 INFO L226 Difference]: Without dead ends: 2589 [2018-12-08 15:45:44,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 572 SyntacticMatches, 22 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-12-08 15:45:44,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-12-08 15:45:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2009. [2018-12-08 15:45:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-12-08 15:45:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2263 transitions. [2018-12-08 15:45:44,390 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2263 transitions. Word has length 290 [2018-12-08 15:45:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:44,390 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2263 transitions. [2018-12-08 15:45:44,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 15:45:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2263 transitions. [2018-12-08 15:45:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 15:45:44,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:44,395 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:44,395 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:44,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:44,395 INFO L82 PathProgramCache]: Analyzing trace with hash 223433493, now seen corresponding path program 1 times [2018-12-08 15:45:44,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:45:44,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:44,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:44,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:44,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:45:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2018-12-08 15:45:44,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:44,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 15:45:44,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:45:44,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 15:45:44,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 15:45:44,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 15:45:44,512 INFO L87 Difference]: Start difference. First operand 2009 states and 2263 transitions. Second operand 8 states. [2018-12-08 15:45:44,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:44,767 INFO L93 Difference]: Finished difference Result 3319 states and 3782 transitions. [2018-12-08 15:45:44,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 15:45:44,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 358 [2018-12-08 15:45:44,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:44,769 INFO L225 Difference]: With dead ends: 3319 [2018-12-08 15:45:44,769 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 15:45:44,772 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-08 15:45:44,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 15:45:44,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 15:45:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 15:45:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 15:45:44,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2018-12-08 15:45:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:44,773 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 15:45:44,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 15:45:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 15:45:44,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 15:45:44,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 15:45:44,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:44,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,405 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 106 [2018-12-08 15:45:45,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,714 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 138 [2018-12-08 15:45:45,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:45,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:45:46,170 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 26 [2018-12-08 15:45:46,519 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2018-12-08 15:45:46,727 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2018-12-08 15:45:47,058 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2018-12-08 15:45:47,190 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2018-12-08 15:45:48,373 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 69 [2018-12-08 15:45:51,065 WARN L180 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 258 DAG size of output: 55 [2018-12-08 15:45:51,369 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2018-12-08 15:45:52,343 WARN L180 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 48 [2018-12-08 15:45:52,651 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2018-12-08 15:45:52,943 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2018-12-08 15:45:53,132 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 43 [2018-12-08 15:45:53,679 WARN L180 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 39 [2018-12-08 15:45:53,841 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2018-12-08 15:45:53,990 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2018-12-08 15:45:54,133 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 18 [2018-12-08 15:45:54,452 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2018-12-08 15:45:54,609 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2018-12-08 15:45:54,967 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-12-08 15:45:55,770 WARN L180 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 63 [2018-12-08 15:45:55,956 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2018-12-08 15:45:56,401 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2018-12-08 15:45:56,401 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2018-12-08 15:45:56,401 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2018-12-08 15:45:56,401 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2018-12-08 15:45:56,401 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2018-12-08 15:45:56,401 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 15:45:56,401 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2018-12-08 15:45:56,401 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or (not (= 1 ~pumpRunning~0)) .cse2 .cse1 .cse3 .cse4) (or (or .cse5 .cse1) (or .cse6 .cse0 (< 2 ~waterLevel~0) .cse2)) (or .cse6 (< 1 ~waterLevel~0) .cse0 .cse5 .cse2) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse2 .cse3 .cse1) (or .cse4 .cse0 .cse1 .cse5 (not .cse3)) (or .cse2 .cse4 .cse1 .cse5))) [2018-12-08 15:45:56,402 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse5 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 .cse2) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse3 .cse4 .cse5 .cse1) (or .cse5 .cse3 .cse6 .cse1 .cse7) (or .cse3 .cse1 .cse7 .cse2) (or .cse5 .cse6 .cse0 .cse1 .cse7 (not .cse4)))) [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2018-12-08 15:45:56,402 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-08 15:45:56,402 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2018-12-08 15:45:56,403 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2018-12-08 15:45:56,403 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:45:56,404 INFO L451 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2018-12-08 15:45:56,404 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= ~methaneLevelCritical~0 0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse0 .cse1) (or .cse2 .cse3 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse0 .cse1))) [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse0 .cse4 .cse2 .cse3)))) [2018-12-08 15:45:56,404 INFO L444 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 .cse3 .cse1 .cse2)))) [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2018-12-08 15:45:56,405 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:45:56,405 INFO L444 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L444 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 1) .cse0 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (let ((.cse3 (<= ~waterLevel~0 2))) (or (and .cse3 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0))) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= ~pumpRunning~0 0)) (.cse5 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and (and (= 2 ~waterLevel~0) .cse2) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse5 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and .cse0 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse2) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~waterLevel~0 2) .cse3 .cse2))) [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-12-08 15:45:56,405 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse3) .cse1 .cse2) (and .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 (and (= 0 ~methaneLevelCritical~0) (and (not (= ~switchedOnBeforeTS~0 0)) .cse3) .cse0)))) [2018-12-08 15:45:56,406 INFO L444 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~pumpRunning~0) .cse3 .cse4) (and .cse6 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse7 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (or (and .cse6 .cse0 .cse7 .cse3 .cse4) (and .cse6 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse7 .cse3) .cse0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-12-08 15:45:56,406 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-08 15:45:56,406 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~waterLevel~0 2)))) (let ((.cse5 (or .cse0 .cse2 .cse9)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse4 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse10 (< 2 ~waterLevel~0))) (and (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse5 .cse4) .cse1) (or .cse6 (or .cse7 .cse5)) (or .cse7 .cse8 .cse2 .cse6 .cse9) (or .cse1 (or .cse10 (or .cse8 .cse2) .cse4)) (or .cse6 (and (or .cse0 .cse7 .cse10 .cse2 .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse7 .cse10 .cse2)))))) [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse1) (or .cse0 .cse2 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point L316(lines 312 334) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point L314(lines 312 334) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse4 (and .cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 .cse7 .cse8) (or .cse4 (or .cse9 (or .cse5 .cse3))) (or .cse2 .cse4 .cse3 .cse8) (or (or .cse10 .cse6) (or .cse0 .cse2 .cse9 .cse3)) (or .cse0 .cse11 .cse2 .cse10 .cse3) (or .cse2 .cse6 .cse3 .cse7 .cse8) (or .cse2 .cse6 .cse3 .cse7 .cse12) (or .cse11 .cse2 .cse3 .cse7 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse7) (or (and (<= ~pumpRunning~0 0) .cse13 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse3 .cse12))))) [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2018-12-08 15:45:56,407 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse15 (or .cse13 .cse7)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (and .cse11 .cse12 .cse3 .cse4)) (.cse2 (or (< 2 |old(~waterLevel~0)|) .cse15 (not .cse14))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse10 (or .cse14 .cse15)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse11 .cse3 .cse4)) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse4) .cse1 .cse2) (or .cse5 (or .cse6 .cse7 .cse8)) (or .cse9 .cse5 (and (or .cse6 .cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse7))) (or .cse9 .cse10 (and (<= ~waterLevel~0 0) .cse3 .cse4)) (or .cse0 .cse10 .cse11) (or .cse6 .cse7 .cse12 .cse5) (or (or (or .cse7 .cse8) .cse13) (and (= 1 ~waterLevel~0) .cse3 .cse4)))))) [2018-12-08 15:45:56,408 INFO L444 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse19 (= ~systemActive~0 1))) (let ((.cse20 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not .cse19))) (let ((.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (= 0 ~pumpRunning~0)) (.cse15 (< 2 |old(~waterLevel~0)|)) (.cse21 (or .cse11 .cse9)) (.cse18 (not .cse20)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (and .cse6 .cse17 .cse4 .cse5)) (.cse2 (or .cse15 .cse21 .cse18)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse14 (or .cse20 .cse21)) (.cse16 (and .cse12 (not (= |old(~pumpRunning~0)| 0)) .cse18 .cse13 .cse6 (<= ~waterLevel~0 0) .cse19)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse6 .cse4 .cse5))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5) .cse1 .cse2) (or (and (= ~pumpRunning~0 1) .cse6) .cse7 (or .cse8 .cse9 .cse10)) (or (< 1 |old(~waterLevel~0)|) .cse7 (and (or .cse8 .cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse8 .cse9))) (or (or (or .cse9 .cse10) .cse11) (= 1 ~waterLevel~0)) (or (and .cse12 .cse3 .cse13) .cse14 .cse15 .cse16) (or .cse0 .cse14 .cse16) (or .cse8 .cse9 .cse17 .cse7)))))) [2018-12-08 15:45:56,408 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-12-08 15:45:56,408 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-12-08 15:45:56,408 INFO L451 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-12-08 15:45:56,408 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-12-08 15:45:56,408 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-12-08 15:45:56,408 INFO L451 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-12-08 15:45:56,408 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-08 15:45:56,408 INFO L451 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2018-12-08 15:45:56,408 INFO L451 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-12-08 15:45:56,408 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~pumpRunning~0))) [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:45:56,409 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 15:45:56,409 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 15:45:56,409 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:45:56,410 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse0 .cse4 .cse2 .cse3)))) [2018-12-08 15:45:56,410 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2018-12-08 15:45:56,410 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse3 .cse4 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 .cse3 .cse1 .cse2)))) [2018-12-08 15:45:56,410 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-12-08 15:45:56,410 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2018-12-08 15:45:56,410 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2018-12-08 15:45:56,410 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1))) [2018-12-08 15:45:56,410 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2018-12-08 15:45:56,410 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse4 .cse2 .cse0 .cse3 .cse1) (or .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 15:45:56,411 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2))))))) [2018-12-08 15:45:56,411 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-08 15:45:56,411 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-08 15:45:56,411 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse8 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (or .cse8 .cse4)) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or (< ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse0 .cse6) (or (< 0 |old(~waterLevel~0)|) .cse0 .cse3 .cse7) (or .cse1 (or (= 0 ~switchedOnBeforeTS~0) .cse4) .cse0 .cse5 (not .cse2)) (or .cse3 .cse7 .cse0 .cse6) (or (= 1 ~waterLevel~0) (or .cse8 .cse4 (not (= |old(~waterLevel~0)| 1))))))) [2018-12-08 15:45:56,411 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2018-12-08 15:45:56,411 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-12-08 15:45:56,411 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2018-12-08 15:45:56,411 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2018-12-08 15:45:56,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:45:56 BoogieIcfgContainer [2018-12-08 15:45:56,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:45:56,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:45:56,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:45:56,423 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:45:56,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:45:30" (3/4) ... [2018-12-08 15:45:56,427 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 15:45:56,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 15:45:56,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 15:45:56,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 15:45:56,438 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 15:45:56,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 15:45:56,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 15:45:56,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 15:45:56,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 15:45:56,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 15:45:56,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || (((waterLevel == 2 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) [2018-12-08 15:45:56,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 15:45:56,479 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5924dea1-2156-44f9-8698-cbd545466beb/bin-2019/utaipan/witness.graphml [2018-12-08 15:45:56,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:45:56,480 INFO L168 Benchmark]: Toolchain (without parser) took 26861.37 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -81.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 15:45:56,480 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:45:56,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:56,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:45:56,480 INFO L168 Benchmark]: Boogie Preprocessor took 23.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:56,480 INFO L168 Benchmark]: RCFGBuilder took 311.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:56,481 INFO L168 Benchmark]: TraceAbstraction took 26135.38 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-08 15:45:56,481 INFO L168 Benchmark]: Witness Printer took 55.94 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:56,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 311.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26135.38 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 55.94 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || (((waterLevel == 2 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 149 locations, 1 error locations. SAFE Result, 26.0s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 11.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2831 SDtfs, 4535 SDslu, 8414 SDs, 0 SdLazy, 10843 SolverSat, 2867 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2306 GetRequests, 2024 SyntacticMatches, 45 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2009occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1540 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3446 PreInvPairs, 3703 NumberOfFragments, 2938 HoareAnnotationTreeSize, 3446 FomulaSimplifications, 106975 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 100035 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3100 NumberOfCodeBlocks, 3100 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4081 ConstructedInterpolants, 0 QuantifiedInterpolants, 1589262 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4482 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 3059/3333 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...