./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/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 d3ebf7e0857ea2577a0261191567e6475555f928 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:33:46,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:33:46,967 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:33:46,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:33:46,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:33:46,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:33:46,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:33:46,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:33:46,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:33:46,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:33:46,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:33:46,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:33:46,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:33:46,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:33:46,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:33:46,985 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:33:46,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:33:46,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:33:46,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:33:46,989 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:33:46,990 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:33:46,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:33:46,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:33:46,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:33:46,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:33:46,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:33:46,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:33:46,995 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:33:46,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:33:46,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:33:46,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:33:46,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:33:46,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:33:46,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:33:46,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:33:46,999 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:33:46,999 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:33:47,009 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:33:47,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:33:47,010 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:33:47,010 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:33:47,010 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:33:47,010 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:33:47,010 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:33:47,010 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:33:47,011 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:33:47,011 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:33:47,011 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:33:47,011 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:33:47,011 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:33:47,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:33:47,012 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:33:47,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:33:47,012 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:33:47,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:33:47,012 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:33:47,012 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:33:47,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:33:47,013 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:33:47,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:33:47,013 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:33:47,013 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:33:47,013 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:33:47,013 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:33:47,014 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:33:47,014 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:33:47,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:33:47,015 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:33:47,015 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_e55f8daf-9148-4bb1-806d-64316d5e0e78/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-11-23 13:33:47,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:33:47,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:33:47,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:33:47,054 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:33:47,054 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:33:47,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 13:33:47,094 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/data/20e96cf64/97702a7ed6314790a5ecf5a5d34a2ea5/FLAG7615c4115 [2018-11-23 13:33:47,536 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:33:47,536 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 13:33:47,545 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/data/20e96cf64/97702a7ed6314790a5ecf5a5d34a2ea5/FLAG7615c4115 [2018-11-23 13:33:47,555 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/data/20e96cf64/97702a7ed6314790a5ecf5a5d34a2ea5 [2018-11-23 13:33:47,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:33:47,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:33:47,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:33:47,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:33:47,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:33:47,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47, skipping insertion in model container [2018-11-23 13:33:47,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:33:47,601 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:33:47,802 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:33:47,811 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:33:47,917 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:33:47,935 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:33:47,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47 WrapperNode [2018-11-23 13:33:47,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:33:47,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:33:47,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:33:47,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:33:47,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:33:47,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:33:47,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:33:47,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:33:47,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... [2018-11-23 13:33:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:33:47,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:33:47,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:33:47,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:33:47,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:33:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:33:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:33:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:33:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:33:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 13:33:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 13:33:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:33:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:33:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:33:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:33:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:33:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:33:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:33:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:33:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:33:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:33:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:33:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:33:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:33:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:33:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:33:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:33:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:33:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:33:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:33:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:33:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:33:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:33:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:33:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:33:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:33:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:33:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:33:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:33:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:33:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:33:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:33:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:33:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:33:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:33:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:33:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:33:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:33:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:33:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:33:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:33:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:33:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:33:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:33:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 13:33:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 13:33:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:33:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:33:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:33:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:33:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:33:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:33:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:33:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:33:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:33:48,471 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:33:48,472 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:33:48,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:48 BoogieIcfgContainer [2018-11-23 13:33:48,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:33:48,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:33:48,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:33:48,476 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:33:48,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:33:47" (1/3) ... [2018-11-23 13:33:48,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fbb759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:48, skipping insertion in model container [2018-11-23 13:33:48,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:47" (2/3) ... [2018-11-23 13:33:48,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fbb759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:48, skipping insertion in model container [2018-11-23 13:33:48,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:48" (3/3) ... [2018-11-23 13:33:48,479 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 13:33:48,486 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:33:48,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:33:48,501 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:33:48,524 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:33:48,524 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:33:48,524 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:33:48,524 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:33:48,524 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:33:48,524 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:33:48,524 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:33:48,524 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:33:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-23 13:33:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:33:48,547 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:48,547 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:48,549 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:48,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:48,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1907958204, now seen corresponding path program 1 times [2018-11-23 13:33:48,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:48,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:48,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:48,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:48,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:33:48,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:48,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:33:48,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:48,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:33:48,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:33:48,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:33:48,760 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-23 13:33:48,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:48,791 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2018-11-23 13:33:48,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:33:48,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 13:33:48,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:48,801 INFO L225 Difference]: With dead ends: 278 [2018-11-23 13:33:48,801 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 13:33:48,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:33:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 13:33:48,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 13:33:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 13:33:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-11-23 13:33:48,848 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2018-11-23 13:33:48,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:48,848 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-11-23 13:33:48,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:33:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-11-23 13:33:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:33:48,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:48,852 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:48,852 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:48,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:48,853 INFO L82 PathProgramCache]: Analyzing trace with hash -32224306, now seen corresponding path program 1 times [2018-11-23 13:33:48,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:48,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:48,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:48,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:48,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:33:48,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:48,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:48,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:48,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:48,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:48,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:48,944 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2018-11-23 13:33:48,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:48,964 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2018-11-23 13:33:48,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:48,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 13:33:48,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:48,967 INFO L225 Difference]: With dead ends: 221 [2018-11-23 13:33:48,967 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 13:33:48,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 13:33:48,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-23 13:33:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-23 13:33:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-11-23 13:33:48,982 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2018-11-23 13:33:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:48,982 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-11-23 13:33:48,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-11-23 13:33:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 13:33:48,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:48,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:48,984 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:48,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:48,986 INFO L82 PathProgramCache]: Analyzing trace with hash 145716492, now seen corresponding path program 1 times [2018-11-23 13:33:48,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:48,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:48,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:48,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:48,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:33:49,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:49,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:33:49,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:49,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:33:49,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:33:49,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:33:49,092 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2018-11-23 13:33:49,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:49,508 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2018-11-23 13:33:49,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:33:49,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 13:33:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:49,513 INFO L225 Difference]: With dead ends: 391 [2018-11-23 13:33:49,513 INFO L226 Difference]: Without dead ends: 287 [2018-11-23 13:33:49,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:33:49,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-23 13:33:49,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-11-23 13:33:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-23 13:33:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2018-11-23 13:33:49,545 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2018-11-23 13:33:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:49,546 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2018-11-23 13:33:49,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:33:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2018-11-23 13:33:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 13:33:49,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:49,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:49,551 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:49,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:49,552 INFO L82 PathProgramCache]: Analyzing trace with hash 96715133, now seen corresponding path program 1 times [2018-11-23 13:33:49,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:49,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:49,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:49,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:49,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:33:49,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:49,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:33:49,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:49,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:33:49,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:33:49,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:33:49,634 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2018-11-23 13:33:49,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:49,830 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2018-11-23 13:33:49,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:33:49,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 13:33:49,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:49,836 INFO L225 Difference]: With dead ends: 763 [2018-11-23 13:33:49,836 INFO L226 Difference]: Without dead ends: 512 [2018-11-23 13:33:49,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:33:49,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-23 13:33:49,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-23 13:33:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-23 13:33:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2018-11-23 13:33:49,877 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2018-11-23 13:33:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:49,878 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2018-11-23 13:33:49,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:33:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2018-11-23 13:33:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 13:33:49,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:49,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:49,882 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:49,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:49,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1885698951, now seen corresponding path program 1 times [2018-11-23 13:33:49,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:49,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:49,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:49,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:49,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:33:49,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:49,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:33:49,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:49,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:33:49,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:33:49,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:33:49,972 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2018-11-23 13:33:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:50,394 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2018-11-23 13:33:50,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:33:50,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 13:33:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:50,399 INFO L225 Difference]: With dead ends: 1329 [2018-11-23 13:33:50,399 INFO L226 Difference]: Without dead ends: 851 [2018-11-23 13:33:50,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:33:50,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-23 13:33:50,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2018-11-23 13:33:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-23 13:33:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2018-11-23 13:33:50,448 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2018-11-23 13:33:50,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:50,448 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2018-11-23 13:33:50,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:33:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2018-11-23 13:33:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 13:33:50,451 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:50,452 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:50,452 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:50,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:50,453 INFO L82 PathProgramCache]: Analyzing trace with hash -955609821, now seen corresponding path program 1 times [2018-11-23 13:33:50,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:50,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:50,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:50,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:50,454 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:33:50,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:50,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:33:50,526 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:50,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:33:50,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:33:50,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:33:50,527 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 6 states. [2018-11-23 13:33:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:50,574 INFO L93 Difference]: Finished difference Result 1510 states and 1898 transitions. [2018-11-23 13:33:50,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:33:50,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 13:33:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:50,577 INFO L225 Difference]: With dead ends: 1510 [2018-11-23 13:33:50,578 INFO L226 Difference]: Without dead ends: 783 [2018-11-23 13:33:50,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:33:50,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-23 13:33:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2018-11-23 13:33:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-11-23 13:33:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-11-23 13:33:50,604 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 103 [2018-11-23 13:33:50,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:50,604 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-11-23 13:33:50,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:33:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-11-23 13:33:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 13:33:50,606 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:50,607 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:50,607 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:50,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:50,607 INFO L82 PathProgramCache]: Analyzing trace with hash 972662881, now seen corresponding path program 1 times [2018-11-23 13:33:50,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:50,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:50,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:50,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:50,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:33:50,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:50,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 13:33:50,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:50,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:33:50,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:33:50,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:33:50,685 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 8 states. [2018-11-23 13:33:50,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:50,720 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-11-23 13:33:50,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:33:50,721 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 13:33:50,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:50,724 INFO L225 Difference]: With dead ends: 1550 [2018-11-23 13:33:50,724 INFO L226 Difference]: Without dead ends: 803 [2018-11-23 13:33:50,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:33:50,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-23 13:33:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 791. [2018-11-23 13:33:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-23 13:33:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-11-23 13:33:50,750 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 103 [2018-11-23 13:33:50,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:50,751 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-11-23 13:33:50,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:33:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-11-23 13:33:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 13:33:50,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:50,753 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:50,753 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:50,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash 732122752, now seen corresponding path program 1 times [2018-11-23 13:33:50,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:50,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:50,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:50,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:50,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:33:50,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:50,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:33:50,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:50,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:33:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:33:50,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:33:50,823 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 4 states. [2018-11-23 13:33:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:50,978 INFO L93 Difference]: Finished difference Result 2497 states and 3166 transitions. [2018-11-23 13:33:50,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:33:50,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 13:33:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:50,984 INFO L225 Difference]: With dead ends: 2497 [2018-11-23 13:33:50,984 INFO L226 Difference]: Without dead ends: 1734 [2018-11-23 13:33:50,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:33:50,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-11-23 13:33:51,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1703. [2018-11-23 13:33:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-11-23 13:33:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2111 transitions. [2018-11-23 13:33:51,045 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2111 transitions. Word has length 103 [2018-11-23 13:33:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:51,046 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 2111 transitions. [2018-11-23 13:33:51,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:33:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2111 transitions. [2018-11-23 13:33:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 13:33:51,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:51,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:51,049 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:51,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:51,049 INFO L82 PathProgramCache]: Analyzing trace with hash -737330874, now seen corresponding path program 1 times [2018-11-23 13:33:51,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:51,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:51,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:51,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:51,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:33:51,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:33:51,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:33:51,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-11-23 13:33:51,148 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [201], [205], [238], [239], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [281], [282], [283], [285], [286], [293], [294], [295], [296], [297], [298], [301], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [319], [320], [321], [327], [328], [329] [2018-11-23 13:33:51,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:33:51,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:33:51,578 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:33:51,579 INFO L272 AbstractInterpreter]: Visited 103 different actions 105 times. Never merged. Never widened. Performed 3291 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3291 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-23 13:33:51,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:51,583 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:33:51,819 INFO L227 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 97% of their original sizes. [2018-11-23 13:33:51,819 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:33:52,001 INFO L415 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-11-23 13:33:52,001 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:33:52,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:33:52,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-11-23 13:33:52,002 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:52,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 13:33:52,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 13:33:52,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:33:52,002 INFO L87 Difference]: Start difference. First operand 1703 states and 2111 transitions. Second operand 25 states. [2018-11-23 13:34:02,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:02,432 INFO L93 Difference]: Finished difference Result 6177 states and 8103 transitions. [2018-11-23 13:34:02,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 13:34:02,433 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 107 [2018-11-23 13:34:02,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:02,451 INFO L225 Difference]: With dead ends: 6177 [2018-11-23 13:34:02,451 INFO L226 Difference]: Without dead ends: 4502 [2018-11-23 13:34:02,457 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=346, Invalid=2624, Unknown=0, NotChecked=0, Total=2970 [2018-11-23 13:34:02,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2018-11-23 13:34:02,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4251. [2018-11-23 13:34:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4251 states. [2018-11-23 13:34:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 4251 states and 5352 transitions. [2018-11-23 13:34:02,650 INFO L78 Accepts]: Start accepts. Automaton has 4251 states and 5352 transitions. Word has length 107 [2018-11-23 13:34:02,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:02,650 INFO L480 AbstractCegarLoop]: Abstraction has 4251 states and 5352 transitions. [2018-11-23 13:34:02,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 13:34:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 4251 states and 5352 transitions. [2018-11-23 13:34:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 13:34:02,658 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:02,659 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:02,659 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:02,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1014731968, now seen corresponding path program 1 times [2018-11-23 13:34:02,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:02,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:02,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:02,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:02,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 13:34:02,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:34:02,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:34:02,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-23 13:34:02,796 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-11-23 13:34:02,800 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:34:02,801 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:34:04,124 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:34:04,124 INFO L272 AbstractInterpreter]: Visited 128 different actions 588 times. Merged at 17 different actions 45 times. Never widened. Performed 22534 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-23 13:34:04,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:04,128 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:34:04,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:34:04,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:34:04,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:04,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:34:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:04,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:34:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 13:34:04,500 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:34:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 13:34:05,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:34:05,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 13:34:05,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:05,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:34:05,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:34:05,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:34:05,455 INFO L87 Difference]: Start difference. First operand 4251 states and 5352 transitions. Second operand 8 states. [2018-11-23 13:34:05,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:05,849 INFO L93 Difference]: Finished difference Result 7498 states and 9576 transitions. [2018-11-23 13:34:05,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:34:05,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-11-23 13:34:05,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:05,868 INFO L225 Difference]: With dead ends: 7498 [2018-11-23 13:34:05,868 INFO L226 Difference]: Without dead ends: 3909 [2018-11-23 13:34:05,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 312 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:34:05,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3909 states. [2018-11-23 13:34:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3909 to 3889. [2018-11-23 13:34:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3889 states. [2018-11-23 13:34:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3889 states and 4801 transitions. [2018-11-23 13:34:06,066 INFO L78 Accepts]: Start accepts. Automaton has 3889 states and 4801 transitions. Word has length 165 [2018-11-23 13:34:06,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:06,066 INFO L480 AbstractCegarLoop]: Abstraction has 3889 states and 4801 transitions. [2018-11-23 13:34:06,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:34:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 4801 transitions. [2018-11-23 13:34:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 13:34:06,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:06,075 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 13:34:06,075 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:06,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:06,076 INFO L82 PathProgramCache]: Analyzing trace with hash 72022924, now seen corresponding path program 1 times [2018-11-23 13:34:06,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:06,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:06,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:06,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:06,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 13:34:06,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:34:06,170 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:34:06,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-11-23 13:34:06,171 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [160], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [244], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-11-23 13:34:06,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:34:06,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:34:07,918 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:34:07,919 INFO L272 AbstractInterpreter]: Visited 130 different actions 1217 times. Merged at 22 different actions 130 times. Widened at 1 different actions 1 times. Performed 41650 root evaluator evaluations with a maximum evaluation depth of 3. Performed 41650 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 39 fixpoints after 7 different actions. Largest state had 134 variables. [2018-11-23 13:34:07,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:07,921 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:34:07,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:34:07,921 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:34:07,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:07,931 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:34:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:08,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:34:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 30 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:34:08,262 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:34:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 13:34:08,589 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:34:08,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2018-11-23 13:34:08,590 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:34:08,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:34:08,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:34:08,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:34:08,591 INFO L87 Difference]: Start difference. First operand 3889 states and 4801 transitions. Second operand 8 states. [2018-11-23 13:34:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:09,114 INFO L93 Difference]: Finished difference Result 8691 states and 11350 transitions. [2018-11-23 13:34:09,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:34:09,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2018-11-23 13:34:09,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:09,129 INFO L225 Difference]: With dead ends: 8691 [2018-11-23 13:34:09,130 INFO L226 Difference]: Without dead ends: 5464 [2018-11-23 13:34:09,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 430 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:34:09,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2018-11-23 13:34:09,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5165. [2018-11-23 13:34:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5165 states. [2018-11-23 13:34:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 5165 states and 6366 transitions. [2018-11-23 13:34:09,300 INFO L78 Accepts]: Start accepts. Automaton has 5165 states and 6366 transitions. Word has length 216 [2018-11-23 13:34:09,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:09,300 INFO L480 AbstractCegarLoop]: Abstraction has 5165 states and 6366 transitions. [2018-11-23 13:34:09,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:34:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5165 states and 6366 transitions. [2018-11-23 13:34:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 13:34:09,307 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:09,307 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:09,307 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:09,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:09,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2105416970, now seen corresponding path program 1 times [2018-11-23 13:34:09,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:09,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:09,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:09,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:09,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 13:34:09,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:34:09,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:34:09,416 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-11-23 13:34:09,416 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [160], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-11-23 13:34:09,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:34:09,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:34:11,149 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:34:11,149 INFO L272 AbstractInterpreter]: Visited 129 different actions 1394 times. Merged at 21 different actions 131 times. Never widened. Performed 52721 root evaluator evaluations with a maximum evaluation depth of 3. Performed 52721 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 35 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 13:34:11,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:11,157 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:34:11,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:34:11,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/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 [2018-11-23 13:34:11,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:11,170 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:34:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:11,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:34:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 13:34:11,333 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:34:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 13:34:11,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:34:11,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 13:34:11,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:11,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:34:11,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:34:11,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:34:11,779 INFO L87 Difference]: Start difference. First operand 5165 states and 6366 transitions. Second operand 8 states. [2018-11-23 13:34:11,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:11,973 INFO L93 Difference]: Finished difference Result 6741 states and 8211 transitions. [2018-11-23 13:34:11,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:34:11,974 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2018-11-23 13:34:11,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:11,975 INFO L225 Difference]: With dead ends: 6741 [2018-11-23 13:34:11,975 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:34:11,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 416 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:34:11,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:34:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:34:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:34:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:34:11,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2018-11-23 13:34:11,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:11,985 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:34:11,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:34:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:34:11,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:34:11,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:34:12,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:12,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:34:13,142 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2018-11-23 13:34:13,835 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 50 [2018-11-23 13:34:14,347 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 32 [2018-11-23 13:34:14,607 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 38 [2018-11-23 13:34:14,936 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2018-11-23 13:34:15,207 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2018-11-23 13:34:15,501 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2018-11-23 13:34:15,607 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 23 [2018-11-23 13:34:16,008 WARN L180 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2018-11-23 13:34:16,215 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 27 [2018-11-23 13:34:16,393 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 34 [2018-11-23 13:34:16,896 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 34 [2018-11-23 13:34:17,027 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 27 [2018-11-23 13:34:17,030 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-23 13:34:17,030 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-23 13:34:17,030 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-23 13:34:17,030 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-23 13:34:17,030 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-23 13:34:17,030 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,030 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,030 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-11-23 13:34:17,030 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-11-23 13:34:17,030 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,031 INFO L444 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,031 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-11-23 13:34:17,031 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-11-23 13:34:17,031 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 13:34:17,031 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,031 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,031 INFO L448 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-11-23 13:34:17,031 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-11-23 13:34:17,031 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 .cse4) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse0))) [2018-11-23 13:34:17,031 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3))) [2018-11-23 13:34:17,031 INFO L448 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-11-23 13:34:17,032 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-11-23 13:34:17,032 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-11-23 13:34:17,032 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< 0 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 (and .cse3 .cse6) .cse2) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2018-11-23 13:34:17,032 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-11-23 13:34:17,032 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 .cse4) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-11-23 13:34:17,032 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse1 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse7 (= ~systemActive~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse1 .cse3) (or .cse5 .cse2 .cse6 .cse3 .cse7) (or (or .cse8 .cse4) .cse3) (or .cse5 .cse8 .cse3) (or .cse2 .cse6 .cse7 .cse3 .cse4))) [2018-11-23 13:34:17,032 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-11-23 13:34:17,032 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-11-23 13:34:17,032 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse4 (and (not (= ~systemActive~0 0)) .cse9)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or (or .cse8 .cse3) .cse9 .cse2) (or .cse5 .cse8 .cse2 .cse9) (or .cse5 .cse0 .cse4 .cse1 .cse2) (or .cse1 .cse7 .cse6 .cse2 .cse3)))) [2018-11-23 13:34:17,032 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-11-23 13:34:17,033 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-11-23 13:34:17,033 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-11-23 13:34:17,033 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-11-23 13:34:17,033 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-23 13:34:17,033 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-23 13:34:17,033 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,033 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-11-23 13:34:17,033 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,034 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2))) [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6))) [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse6 .cse4 .cse3))) [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-11-23 13:34:17,034 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse1 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse1) (or .cse0 .cse3 .cse1 .cse6 .cse4))) [2018-11-23 13:34:17,034 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse5 .cse4) (or .cse2 .cse3 .cse1 .cse4 .cse6) (or .cse3 .cse5 .cse4 .cse6))) [2018-11-23 13:34:17,034 INFO L448 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-11-23 13:34:17,035 INFO L444 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:34:17,035 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-11-23 13:34:17,035 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-11-23 13:34:17,036 INFO L444 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:34:17,036 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:34:17,036 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-11-23 13:34:17,036 INFO L444 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse6 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:34:17,036 INFO L448 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-11-23 13:34:17,036 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-11-23 13:34:17,036 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:34:17,036 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-23 13:34:17,036 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-23 13:34:17,036 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L444 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:34:17,037 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L444 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or .cse0 .cse2) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-11-23 13:34:17,037 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-23 13:34:17,037 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:34:17,038 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)) [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 13:34:17,038 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-23 13:34:17,038 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-11-23 13:34:17,038 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 (not (= ~waterLevel~0 2))) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse2 .cse4 .cse5) (or .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or (<= 1 ~methaneLevelCritical~0) (or (< |old(~methaneLevelCritical~0)| 1) .cse1 .cse2)))) [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (or .cse2 .cse3 .cse4 .cse5) .cse0) (or .cse6 .cse0 .cse4 .cse5) (or .cse1 .cse6 .cse0 .cse4))) [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= ~systemActive~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and .cse12 .cse13)) (.cse2 (or .cse10 .cse11 .cse5 .cse6)) (.cse4 (and .cse12 (not .cse10) (= |old(~waterLevel~0)| ~waterLevel~0) .cse13)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< 0 |old(~waterLevel~0)|)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or .cse9 .cse10 .cse11 .cse5))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2) (or .cse4 .cse9 .cse3 .cse5) (or .cse8 .cse7 .cse1)))) [2018-11-23 13:34:17,039 INFO L444 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= ~systemActive~0 0)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse0 .cse3 .cse4)) (.cse12 (or .cse8 .cse14 .cse6 .cse7)) (.cse1 (= 0 ~pumpRunning~0)) (.cse11 (< 0 |old(~waterLevel~0)|)) (.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (or .cse13 .cse8 .cse14 .cse6))) (and (or (and .cse0 .cse1) .cse2) (or (and .cse3 .cse4) .cse5 .cse6 .cse7 (and (<= 2 ~waterLevel~0) (not .cse8) (= ~pumpRunning~0 1) .cse3)) (or .cse5 .cse9 .cse6 (not (= |old(~waterLevel~0)| 1)) .cse7) (or .cse10 .cse11 .cse12) (or .cse5 .cse8 .cse0 .cse6 .cse7) (or .cse13 .cse5 .cse9 .cse6) (or .cse12 .cse1 (and .cse0 .cse4)) (or .cse11 .cse10 .cse2)))) [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse4 .cse6) (or .cse1 .cse5 .cse4) (or (or .cse2 .cse3 .cse4 .cse6) .cse0))) [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L451 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-11-23 13:34:17,039 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-11-23 13:34:17,039 INFO L451 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2018-11-23 13:34:17,039 INFO L451 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-11-23 13:34:17,039 INFO L448 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L451 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 13:34:17,040 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-11-23 13:34:17,040 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-11-23 13:34:17,041 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 .cse3) (or (not (= 1 ~pumpRunning~0)) (or (= ~systemActive~0 0) .cse3) .cse0 .cse1))) [2018-11-23 13:34:17,041 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 13:34:17,041 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 13:34:17,041 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 13:34:17,041 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 13:34:17,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:34:17 BoogieIcfgContainer [2018-11-23 13:34:17,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:34:17,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:34:17,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:34:17,058 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:34:17,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:48" (3/4) ... [2018-11-23 13:34:17,061 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:34:17,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:34:17,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 13:34:17,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:34:17,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:34:17,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:34:17,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:34:17,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 13:34:17,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:34:17,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:34:17,076 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:34:17,076 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:34:17,076 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:34:17,076 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:34:17,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:34:17,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:34:17,133 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e55f8daf-9148-4bb1-806d-64316d5e0e78/bin-2019/utaipan/witness.graphml [2018-11-23 13:34:17,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:34:17,134 INFO L168 Benchmark]: Toolchain (without parser) took 29576.58 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -621.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 13:34:17,134 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:34:17,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:34:17,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:34:17,135 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:34:17,135 INFO L168 Benchmark]: RCFGBuilder took 489.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:34:17,135 INFO L168 Benchmark]: TraceAbstraction took 28583.89 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -497.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 13:34:17,135 INFO L168 Benchmark]: Witness Printer took 75.37 ms. Allocated memory is still 2.7 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:34:17,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 489.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28583.89 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -497.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 75.37 ms. Allocated memory is still 2.7 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 917]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 154 locations, 1 error locations. SAFE Result, 28.5s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 13.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2745 SDtfs, 2290 SDslu, 10274 SDs, 0 SdLazy, 4226 SolverSat, 698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1440 GetRequests, 1274 SyntacticMatches, 16 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5165occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.2s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.996088525450571 AbsIntWeakeningRatio, 1.0377358490566038 AbsIntAvgWeakeningVarsNumRemoved, 112.16981132075472 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 731 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 8161 PreInvPairs, 8541 NumberOfFragments, 2880 HoareAnnotationTreeSize, 8161 FomulaSimplifications, 17168 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 48561 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2476 ConstructedInterpolants, 0 QuantifiedInterpolants, 620007 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3018 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 1005/1119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...