./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_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_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:32:17,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:32:17,030 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:32:17,036 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:32:17,036 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:32:17,037 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:32:17,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:32:17,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:32:17,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:32:17,041 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:32:17,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:32:17,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:32:17,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:32:17,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:32:17,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:32:17,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:32:17,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:32:17,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:32:17,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:32:17,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:32:17,047 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:32:17,048 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:32:17,049 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:32:17,049 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:32:17,049 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:32:17,050 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:32:17,050 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:32:17,051 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:32:17,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:32:17,052 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:32:17,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:32:17,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:32:17,053 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:32:17,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:32:17,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:32:17,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:32:17,055 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:32:17,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:32:17,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:32:17,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:32:17,063 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:32:17,063 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:32:17,063 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:32:17,063 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:32:17,063 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:32:17,063 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:32:17,064 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:32:17,064 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:32:17,064 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:32:17,064 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:32:17,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:32:17,065 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:32:17,066 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:32:17,066 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:32:17,066 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:32:17,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:32:17,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:32:17,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:32:17,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:32:17,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:32:17,067 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:32:17,068 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_de602318-c083-4587-9693-227471c8d882/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-11-23 07:32:17,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:32:17,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:32:17,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:32:17,104 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:32:17,104 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:32:17,105 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-23 07:32:17,151 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/data/53bab5aab/c46fd79d4d104737b13cbe176decabe2/FLAGdcf158d48 [2018-11-23 07:32:17,503 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:32:17,504 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-23 07:32:17,514 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/data/53bab5aab/c46fd79d4d104737b13cbe176decabe2/FLAGdcf158d48 [2018-11-23 07:32:17,523 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/data/53bab5aab/c46fd79d4d104737b13cbe176decabe2 [2018-11-23 07:32:17,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:32:17,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:32:17,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:32:17,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:32:17,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:32:17,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17, skipping insertion in model container [2018-11-23 07:32:17,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:32:17,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:32:17,771 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:32:17,779 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:32:17,878 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:32:17,897 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:32:17,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17 WrapperNode [2018-11-23 07:32:17,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:32:17,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:32:17,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:32:17,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:32:17,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:32:17,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:32:17,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:32:17,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:32:17,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... [2018-11-23 07:32:17,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:32:17,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:32:17,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:32:17,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:32:17,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/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 07:32:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:32:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:32:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:32:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:32:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:32:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:32:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:32:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:32:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:32:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:32:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:32:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:32:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:32:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:32:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:32:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:32:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:32:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 07:32:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 07:32:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:32:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:32:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:32:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:32:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:32:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:32:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:32:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:32:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:32:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:32:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:32:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:32:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:32:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:32:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:32:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:32:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:32:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:32:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:32:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:32:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:32:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:32:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:32:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:32:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:32:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:32:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:32:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:32:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:32:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:32:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:32:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:32:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:32:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:32:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:32:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:32:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:32:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:32:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:32:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:32:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:32:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:32:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:32:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:32:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:32:18,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:32:18,434 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:32:18,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:32:18 BoogieIcfgContainer [2018-11-23 07:32:18,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:32:18,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:32:18,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:32:18,438 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:32:18,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:32:17" (1/3) ... [2018-11-23 07:32:18,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb29a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:32:18, skipping insertion in model container [2018-11-23 07:32:18,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:17" (2/3) ... [2018-11-23 07:32:18,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb29a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:32:18, skipping insertion in model container [2018-11-23 07:32:18,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:32:18" (3/3) ... [2018-11-23 07:32:18,441 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-23 07:32:18,449 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:32:18,456 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:32:18,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:32:18,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:32:18,496 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:32:18,496 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:32:18,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:32:18,496 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:32:18,496 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:32:18,496 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:32:18,496 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:32:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-11-23 07:32:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:32:18,516 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:18,517 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 07:32:18,519 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:18,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:18,522 INFO L82 PathProgramCache]: Analyzing trace with hash 389066251, now seen corresponding path program 1 times [2018-11-23 07:32:18,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:18,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:18,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:18,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:18,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:18,709 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 07:32:18,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:18,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:32:18,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:18,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:32:18,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:32:18,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:32:18,729 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-11-23 07:32:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:18,761 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2018-11-23 07:32:18,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:32:18,762 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 07:32:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:18,773 INFO L225 Difference]: With dead ends: 306 [2018-11-23 07:32:18,773 INFO L226 Difference]: Without dead ends: 155 [2018-11-23 07:32:18,777 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 07:32:18,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-23 07:32:18,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-23 07:32:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-23 07:32:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2018-11-23 07:32:18,816 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2018-11-23 07:32:18,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:18,816 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2018-11-23 07:32:18,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:32:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2018-11-23 07:32:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:32:18,818 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:18,818 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 07:32:18,818 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:18,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:18,819 INFO L82 PathProgramCache]: Analyzing trace with hash -286557566, now seen corresponding path program 1 times [2018-11-23 07:32:18,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:18,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:18,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:18,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:18,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:32:18,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:18,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:32:18,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:18,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:32:18,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:32:18,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:32:18,900 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2018-11-23 07:32:18,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:18,924 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-11-23 07:32:18,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:32:18,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 07:32:18,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:18,926 INFO L225 Difference]: With dead ends: 255 [2018-11-23 07:32:18,926 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 07:32:18,928 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 07:32:18,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 07:32:18,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-23 07:32:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-23 07:32:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-11-23 07:32:18,940 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-11-23 07:32:18,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:18,940 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-11-23 07:32:18,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:32:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-11-23 07:32:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:32:18,941 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:18,942 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 07:32:18,942 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:18,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:18,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1860139503, now seen corresponding path program 1 times [2018-11-23 07:32:18,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:18,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:18,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:18,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:18,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:19,034 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 07:32:19,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:19,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:32:19,034 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:19,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:32:19,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:32:19,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:32:19,035 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2018-11-23 07:32:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:19,253 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2018-11-23 07:32:19,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:32:19,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 07:32:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:19,254 INFO L225 Difference]: With dead ends: 264 [2018-11-23 07:32:19,255 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 07:32:19,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:32:19,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 07:32:19,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-23 07:32:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-23 07:32:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-23 07:32:19,268 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2018-11-23 07:32:19,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:19,268 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-23 07:32:19,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:32:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-23 07:32:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 07:32:19,270 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:19,271 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:32:19,271 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:19,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:19,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1068225782, now seen corresponding path program 1 times [2018-11-23 07:32:19,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:19,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:19,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:19,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:19,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:19,360 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 07:32:19,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:19,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:32:19,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:19,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:32:19,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:32:19,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:32:19,361 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2018-11-23 07:32:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:19,963 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2018-11-23 07:32:19,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:32:19,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-23 07:32:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:19,966 INFO L225 Difference]: With dead ends: 375 [2018-11-23 07:32:19,966 INFO L226 Difference]: Without dead ends: 257 [2018-11-23 07:32:19,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:32:19,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-23 07:32:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2018-11-23 07:32:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-11-23 07:32:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2018-11-23 07:32:19,990 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2018-11-23 07:32:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:19,990 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2018-11-23 07:32:19,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:32:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2018-11-23 07:32:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 07:32:19,992 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:19,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:32:19,993 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:19,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:19,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1280982680, now seen corresponding path program 1 times [2018-11-23 07:32:19,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:19,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:19,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:19,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:19,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:20,062 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 07:32:20,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:20,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:32:20,063 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:20,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:32:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:32:20,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:32:20,064 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2018-11-23 07:32:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:20,186 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2018-11-23 07:32:20,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:32:20,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 07:32:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:20,189 INFO L225 Difference]: With dead ends: 643 [2018-11-23 07:32:20,189 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 07:32:20,190 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 07:32:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 07:32:20,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2018-11-23 07:32:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-11-23 07:32:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-11-23 07:32:20,217 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2018-11-23 07:32:20,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:20,218 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-11-23 07:32:20,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:32:20,218 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-11-23 07:32:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 07:32:20,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:20,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:32:20,220 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:20,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:20,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1019197196, now seen corresponding path program 1 times [2018-11-23 07:32:20,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:20,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:20,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:20,300 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 07:32:20,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:20,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:32:20,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:20,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:32:20,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:32:20,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:32:20,301 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2018-11-23 07:32:20,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:20,642 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2018-11-23 07:32:20,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 07:32:20,643 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-23 07:32:20,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:20,645 INFO L225 Difference]: With dead ends: 853 [2018-11-23 07:32:20,646 INFO L226 Difference]: Without dead ends: 455 [2018-11-23 07:32:20,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:32:20,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-23 07:32:20,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2018-11-23 07:32:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-11-23 07:32:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2018-11-23 07:32:20,680 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2018-11-23 07:32:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:20,680 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2018-11-23 07:32:20,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:32:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2018-11-23 07:32:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 07:32:20,682 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:20,682 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, 1] [2018-11-23 07:32:20,682 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:20,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:20,682 INFO L82 PathProgramCache]: Analyzing trace with hash -521179943, now seen corresponding path program 1 times [2018-11-23 07:32:20,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:20,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:20,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:20,748 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 07:32:20,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:20,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:32:20,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:20,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:32:20,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:32:20,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:32:20,749 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2018-11-23 07:32:20,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:20,784 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2018-11-23 07:32:20,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:32:20,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-23 07:32:20,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:20,787 INFO L225 Difference]: With dead ends: 836 [2018-11-23 07:32:20,787 INFO L226 Difference]: Without dead ends: 439 [2018-11-23 07:32:20,788 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 07:32:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-11-23 07:32:20,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-11-23 07:32:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-11-23 07:32:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2018-11-23 07:32:20,809 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2018-11-23 07:32:20,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:20,810 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2018-11-23 07:32:20,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:32:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2018-11-23 07:32:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 07:32:20,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:20,811 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, 1] [2018-11-23 07:32:20,811 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:20,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:20,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1417982103, now seen corresponding path program 1 times [2018-11-23 07:32:20,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:20,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:20,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:20,901 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 07:32:20,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:20,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:32:20,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:20,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:32:20,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:32:20,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:32:20,903 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2018-11-23 07:32:20,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:20,944 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2018-11-23 07:32:20,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:32:20,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-23 07:32:20,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:20,951 INFO L225 Difference]: With dead ends: 856 [2018-11-23 07:32:20,951 INFO L226 Difference]: Without dead ends: 449 [2018-11-23 07:32:20,952 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 07:32:20,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-23 07:32:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-11-23 07:32:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-23 07:32:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2018-11-23 07:32:20,974 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2018-11-23 07:32:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:20,974 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2018-11-23 07:32:20,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:32:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2018-11-23 07:32:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 07:32:20,976 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:20,976 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, 1] [2018-11-23 07:32:20,976 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:20,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2107815178, now seen corresponding path program 1 times [2018-11-23 07:32:20,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:20,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:20,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:20,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:21,059 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 07:32:21,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:21,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:32:21,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:21,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:32:21,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:32:21,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:32:21,060 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2018-11-23 07:32:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:21,255 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2018-11-23 07:32:21,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:32:21,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-23 07:32:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:21,260 INFO L225 Difference]: With dead ends: 1306 [2018-11-23 07:32:21,260 INFO L226 Difference]: Without dead ends: 891 [2018-11-23 07:32:21,261 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 07:32:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-11-23 07:32:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2018-11-23 07:32:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-11-23 07:32:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2018-11-23 07:32:21,305 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2018-11-23 07:32:21,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:21,305 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2018-11-23 07:32:21,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:32:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2018-11-23 07:32:21,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 07:32:21,307 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:21,307 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, 1, 1, 1, 1, 1] [2018-11-23 07:32:21,307 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:21,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:21,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1926232080, now seen corresponding path program 1 times [2018-11-23 07:32:21,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:21,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:21,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:21,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:21,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:21,436 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 07:32:21,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:32:21,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:32:21,438 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-11-23 07:32:21,439 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [95], [99], [103], [106], [111], [114], [119], [122], [137], [138], [141], [143], [146], [148], [151], [154], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [204], [208], [241], [242], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [304], [305], [307], [308], [315], [316], [317], [318], [319], [320], [321], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [339], [340], [341], [347], [348], [349], [351], [352], [353], [354] [2018-11-23 07:32:21,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:32:21,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:32:21,890 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:32:21,892 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Performed 2887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-23 07:32:21,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:21,905 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:32:22,163 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.68% of their original sizes. [2018-11-23 07:32:22,163 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:32:22,287 INFO L415 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-11-23 07:32:22,288 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:32:22,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:32:22,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-23 07:32:22,288 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:22,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 07:32:22,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 07:32:22,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-23 07:32:22,289 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2018-11-23 07:32:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:26,713 INFO L93 Difference]: Finished difference Result 2172 states and 2580 transitions. [2018-11-23 07:32:26,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 07:32:26,714 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-11-23 07:32:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:26,717 INFO L225 Difference]: With dead ends: 2172 [2018-11-23 07:32:26,717 INFO L226 Difference]: Without dead ends: 1324 [2018-11-23 07:32:26,719 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-11-23 07:32:26,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2018-11-23 07:32:26,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1322. [2018-11-23 07:32:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1322 states. [2018-11-23 07:32:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1526 transitions. [2018-11-23 07:32:26,758 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1526 transitions. Word has length 112 [2018-11-23 07:32:26,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:26,758 INFO L480 AbstractCegarLoop]: Abstraction has 1322 states and 1526 transitions. [2018-11-23 07:32:26,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 07:32:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1526 transitions. [2018-11-23 07:32:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 07:32:26,761 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:26,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:32:26,762 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:26,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:26,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1745312647, now seen corresponding path program 1 times [2018-11-23 07:32:26,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:26,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:26,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:26,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:26,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:32:26,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:32:26,829 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:32:26,830 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-23 07:32:26,830 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [146], [148], [151], [154], [163], [165], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [201], [204], [208], [214], [241], [242], [245], [249], [250], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [347], [348], [349], [351], [352], [353], [354], [357], [358] [2018-11-23 07:32:26,834 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:32:26,834 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:32:27,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:32:27,785 INFO L272 AbstractInterpreter]: Visited 146 different actions 569 times. Merged at 16 different actions 35 times. Never widened. Performed 20554 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20554 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 07:32:27,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:27,797 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:32:28,083 INFO L227 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 97.78% of their original sizes. [2018-11-23 07:32:28,083 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:32:28,264 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-23 07:32:28,265 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:32:28,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:32:28,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [5] total 26 [2018-11-23 07:32:28,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:28,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-23 07:32:28,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-23 07:32:28,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-11-23 07:32:28,267 INFO L87 Difference]: Start difference. First operand 1322 states and 1526 transitions. Second operand 23 states. [2018-11-23 07:32:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:38,409 INFO L93 Difference]: Finished difference Result 4203 states and 5136 transitions. [2018-11-23 07:32:38,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 07:32:38,410 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 185 [2018-11-23 07:32:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:38,421 INFO L225 Difference]: With dead ends: 4203 [2018-11-23 07:32:38,422 INFO L226 Difference]: Without dead ends: 3192 [2018-11-23 07:32:38,425 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 153 SyntacticMatches, 10 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=694, Invalid=3212, Unknown=0, NotChecked=0, Total=3906 [2018-11-23 07:32:38,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states. [2018-11-23 07:32:38,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 2494. [2018-11-23 07:32:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2494 states. [2018-11-23 07:32:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 2907 transitions. [2018-11-23 07:32:38,577 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 2907 transitions. Word has length 185 [2018-11-23 07:32:38,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:38,577 INFO L480 AbstractCegarLoop]: Abstraction has 2494 states and 2907 transitions. [2018-11-23 07:32:38,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-23 07:32:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2907 transitions. [2018-11-23 07:32:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 07:32:38,584 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:38,585 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 07:32:38,585 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:38,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:38,585 INFO L82 PathProgramCache]: Analyzing trace with hash 790956297, now seen corresponding path program 1 times [2018-11-23 07:32:38,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:38,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:38,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:38,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:38,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-23 07:32:38,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:32:38,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:32:38,723 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-11-23 07:32:38,724 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [146], [148], [151], [154], [157], [163], [165], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [201], [204], [208], [214], [241], [242], [245], [249], [250], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [347], [348], [349], [351], [352], [353], [354], [357], [358] [2018-11-23 07:32:38,727 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:32:38,727 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:32:40,211 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:32:40,211 INFO L272 AbstractInterpreter]: Visited 150 different actions 1209 times. Merged at 22 different actions 106 times. Never widened. Performed 36318 root evaluator evaluations with a maximum evaluation depth of 5. Performed 36318 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 28 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 07:32:40,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:40,216 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:32:40,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:32:40,216 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/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 07:32:40,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:40,236 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:32:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:40,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:32:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 07:32:40,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:32:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-23 07:32:41,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:32:41,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-23 07:32:41,003 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:41,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:32:41,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:32:41,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:32:41,004 INFO L87 Difference]: Start difference. First operand 2494 states and 2907 transitions. Second operand 5 states. [2018-11-23 07:32:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:41,356 INFO L93 Difference]: Finished difference Result 4218 states and 5081 transitions. [2018-11-23 07:32:41,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:32:41,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2018-11-23 07:32:41,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:41,364 INFO L225 Difference]: With dead ends: 4218 [2018-11-23 07:32:41,364 INFO L226 Difference]: Without dead ends: 2234 [2018-11-23 07:32:41,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:32:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2018-11-23 07:32:41,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2108. [2018-11-23 07:32:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2108 states. [2018-11-23 07:32:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 2460 transitions. [2018-11-23 07:32:41,443 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 2460 transitions. Word has length 261 [2018-11-23 07:32:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:41,443 INFO L480 AbstractCegarLoop]: Abstraction has 2108 states and 2460 transitions. [2018-11-23 07:32:41,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:32:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2460 transitions. [2018-11-23 07:32:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 07:32:41,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:41,448 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:32:41,448 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:41,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:41,448 INFO L82 PathProgramCache]: Analyzing trace with hash -971024625, now seen corresponding path program 2 times [2018-11-23 07:32:41,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:41,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:41,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:41,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:41,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 07:32:41,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:32:41,570 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:32:41,571 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 07:32:41,571 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 07:32:41,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:32:41,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/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 07:32:41,581 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 07:32:41,582 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 07:32:41,669 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 07:32:41,669 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:32:41,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:32:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:32:41,795 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:32:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-23 07:32:42,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:32:42,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 07:32:42,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:42,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:32:42,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:32:42,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 07:32:42,250 INFO L87 Difference]: Start difference. First operand 2108 states and 2460 transitions. Second operand 8 states. [2018-11-23 07:32:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:32:42,453 INFO L93 Difference]: Finished difference Result 3106 states and 3659 transitions. [2018-11-23 07:32:42,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:32:42,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2018-11-23 07:32:42,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:32:42,455 INFO L225 Difference]: With dead ends: 3106 [2018-11-23 07:32:42,455 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:32:42,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 499 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 07:32:42,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:32:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:32:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:32:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:32:42,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2018-11-23 07:32:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:32:42,460 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:32:42,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:32:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:32:42,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:32:42,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:32:42,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:42,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:32:43,476 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-11-23 07:32:43,819 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2018-11-23 07:32:44,167 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2018-11-23 07:32:44,617 WARN L180 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 61 [2018-11-23 07:32:44,906 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-11-23 07:32:45,318 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 62 [2018-11-23 07:32:45,615 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34 [2018-11-23 07:32:46,275 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 47 [2018-11-23 07:32:46,408 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2018-11-23 07:32:46,543 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2018-11-23 07:32:47,227 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 66 [2018-11-23 07:32:47,344 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2018-11-23 07:32:48,153 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-11-23 07:32:48,156 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-11-23 07:32:48,156 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-11-23 07:32:48,156 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-11-23 07:32:48,156 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-11-23 07:32:48,156 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-11-23 07:32:48,156 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,156 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-11-23 07:32:48,156 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,157 INFO L444 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,157 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-11-23 07:32:48,157 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-11-23 07:32:48,157 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-11-23 07:32:48,157 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-23 07:32:48,157 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,157 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,157 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,157 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4) (or .cse3 (or .cse0 .cse4) .cse1))) [2018-11-23 07:32:48,157 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-11-23 07:32:48,158 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4) (or .cse3 (or .cse0 .cse4) .cse1))) [2018-11-23 07:32:48,158 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:32:48,158 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-11-23 07:32:48,158 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:32:48,158 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-11-23 07:32:48,158 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:32:48,158 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-23 07:32:48,158 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-23 07:32:48,158 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-11-23 07:32:48,158 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-11-23 07:32:48,158 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L451 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-11-23 07:32:48,159 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,159 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-11-23 07:32:48,159 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L451 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) .cse2) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1))) [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse5) .cse6) (or .cse4 .cse6 .cse1 .cse5)))) [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-23 07:32:48,160 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-11-23 07:32:48,161 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-11-23 07:32:48,161 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse3 .cse0 .cse5) (or .cse3 (or .cse0 .cse5) .cse1) (or .cse4 .cse3 .cse0 .cse2))) [2018-11-23 07:32:48,161 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse1 .cse5) (or .cse4 (or .cse1 .cse5) .cse3))) [2018-11-23 07:32:48,161 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-11-23 07:32:48,161 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 07:32:48,161 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-23 07:32:48,161 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-11-23 07:32:48,161 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-11-23 07:32:48,161 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-11-23 07:32:48,162 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-11-23 07:32:48,162 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-11-23 07:32:48,162 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-11-23 07:32:48,162 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-11-23 07:32:48,162 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-11-23 07:32:48,162 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,162 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-11-23 07:32:48,162 INFO L444 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:32:48,162 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-11-23 07:32:48,162 INFO L444 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (not .cse5)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 .cse0 .cse2) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse5 .cse2) (and (and .cse1 .cse2) (<= 2 ~waterLevel~0) .cse4)))) [2018-11-23 07:32:48,162 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-11-23 07:32:48,163 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-11-23 07:32:48,163 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse3 .cse1) (and (and (not .cse3) .cse1) (<= 2 ~waterLevel~0) .cse2))) [2018-11-23 07:32:48,163 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-11-23 07:32:48,163 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-11-23 07:32:48,163 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 (not .cse1)) (<= 2 ~waterLevel~0) .cse2) (and .cse3 (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse2 .cse1 .cse0))) [2018-11-23 07:32:48,163 INFO L444 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse3 .cse1) (and (and (not .cse3) .cse1) (<= 2 ~waterLevel~0) .cse2))) [2018-11-23 07:32:48,163 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-23 07:32:48,163 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-11-23 07:32:48,163 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse1 .cse3)))) [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse2 .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-23 07:32:48,164 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-23 07:32:48,165 INFO L444 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< ~waterLevel~0 2)) (.cse7 (not .cse9)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse8 (and (or .cse2 .cse3 .cse9) (or (= ~waterLevel~0 0) .cse2 .cse3))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse5 .cse0 .cse8) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse5 .cse2 .cse3) (or .cse7 .cse0 .cse5 .cse8 .cse4) (or .cse7 .cse5 .cse8 (not (= ~waterLevel~0 1)) .cse4)))) [2018-11-23 07:32:48,165 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-23 07:32:48,165 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< ~waterLevel~0 2)) (.cse7 (not .cse9)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse8 (and (or .cse2 .cse3 .cse9) (or (= ~waterLevel~0 0) .cse2 .cse3))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse5 .cse0 .cse8) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse5 .cse2 .cse3) (or .cse7 .cse0 .cse5 .cse8 .cse4) (or .cse7 .cse5 .cse8 (not (= ~waterLevel~0 1)) .cse4)))) [2018-11-23 07:32:48,165 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-23 07:32:48,165 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 07:32:48,165 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) 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 07:32:48,165 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-23 07:32:48,165 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-23 07:32:48,165 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:32:48,166 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 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 07:32:48,166 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3)))) [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-11-23 07:32:48,166 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-11-23 07:32:48,166 INFO L451 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-11-23 07:32:48,167 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-11-23 07:32:48,167 INFO L448 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-11-23 07:32:48,167 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not .cse8)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 (or .cse3 .cse8)) (or .cse5 .cse1 .cse7 .cse3 .cse4) (or (= 0 ~methaneLevelCritical~0) .cse3 .cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse2 .cse6 (or .cse0 .cse3 .cse4))))) [2018-11-23 07:32:48,167 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-11-23 07:32:48,167 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-11-23 07:32:48,167 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (= 0 |old(~pumpRunning~0)|))) (let ((.cse18 (or .cse8 .cse9 .cse15)) (.cse16 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (= 1 ~waterLevel~0)) (.cse7 (not .cse16)) (.cse1 (and .cse18 (or (= |old(~waterLevel~0)| 0) .cse8 .cse9))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse0 (not .cse15)) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse17 (not (= ~waterLevel~0 1))) (.cse13 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse7) (or (or .cse5 .cse8 .cse9) (and .cse10 .cse11)) (or .cse0 (and .cse10 .cse6 .cse11) .cse1 .cse7 .cse2) (or .cse12 .cse0 (and .cse10 .cse13 .cse11) .cse8 .cse9) (or .cse12 .cse14 (or .cse8 .cse15) .cse11) (or (or .cse5 .cse0 .cse1 .cse3) .cse4) (or .cse5 .cse16 .cse0 .cse17 .cse8 .cse9) (or .cse12 .cse18 .cse14 .cse10) (or .cse16 .cse0 (and .cse10 .cse17 .cse13 .cse11) .cse8 .cse9 .cse2) (or .cse11 (or .cse8 .cse2 .cse15)))))) [2018-11-23 07:32:48,167 INFO L444 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse21 (= ~systemActive~0 1))) (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse18 (<= 2 ~waterLevel~0)) (.cse19 (= ~pumpRunning~0 1)) (.cse20 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 0 |old(~pumpRunning~0)|)) (.cse7 (not .cse21)) (.cse16 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse14)) (.cse3 (and (or .cse7 .cse16 .cse9) (or (= |old(~waterLevel~0)| 0) .cse7 .cse16))) (.cse12 (not (= |old(~waterLevel~0)| 2))) (.cse13 (= ~waterLevel~0 2)) (.cse11 (and .cse10 (= 0 ~methaneLevelCritical~0) .cse18 .cse19 .cse21 .cse20)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse17 (< ~methaneLevelCritical~0 1)) (.cse15 (and .cse10 (not (= ~waterLevel~0 1)) .cse20 .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse8 .cse9)) (or .cse1 (and .cse10 .cse2 .cse6) .cse3 .cse4 .cse8) (or .cse11 (or .cse1 .cse3 .cse8 .cse12) .cse13) (or (or .cse0 .cse1 .cse3 .cse12) .cse13) (or .cse14 .cse11 .cse1 .cse15 .cse7 .cse16 .cse8) (or (and .cse10 .cse5) (or .cse0 .cse7 .cse16)) (or .cse17 .cse5 (< |old(~waterLevel~0)| 2) (or .cse7 .cse9)) (or .cse17 (and .cse10 .cse18 .cse19 .cse20) .cse1 (and .cse10 .cse20 .cse6) .cse7 .cse16) (or .cse15 .cse0 .cse14 .cse1 .cse7 .cse16))))) [2018-11-23 07:32:48,167 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse19 (or .cse1 .cse2 .cse16)) (.cse17 (= |old(~waterLevel~0)| 1))) (let ((.cse11 (= 1 ~waterLevel~0)) (.cse12 (not .cse17)) (.cse7 (and .cse19 (or (= |old(~waterLevel~0)| 0) .cse1 .cse2))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse15 (and .cse4 .cse5)) (.cse6 (not .cse16)) (.cse18 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse13 (< ~methaneLevelCritical~0 1)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse3 (= ~methAndRunningLastTime~0 0))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5)) (or (or .cse6 .cse7 .cse8 .cse9) .cse10) (or .cse0 .cse6 .cse11 .cse7 .cse12) (or .cse6 (and .cse3 .cse11 .cse4) .cse7 .cse12 .cse8) (or .cse13 .cse6 (and .cse3 .cse5 .cse4) .cse1 .cse2) (or (or .cse0 .cse6 .cse7 .cse9) .cse10) (or .cse13 .cse14 .cse15 (or .cse1 .cse16)) (or .cse0 .cse17 .cse6 .cse18 .cse1 .cse2) (or .cse15 (or .cse1 .cse8 .cse16)) (or .cse17 .cse6 (and .cse3 .cse18 .cse5 .cse4) .cse1 .cse2 .cse8) (or .cse13 .cse19 .cse14 .cse3))))) [2018-11-23 07:32:48,167 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (not .cse9)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse10 (and .cse3 .cse4)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (and .cse2 .cse3 .cse4)) (or .cse5 .cse0 .cse1 .cse6) (or .cse7 .cse8 (or .cse0 .cse9) .cse10) (or .cse7 .cse5 .cse0 .cse1) (or .cse7 .cse2 (or .cse0 .cse1) .cse8) (or .cse10 (or .cse0 .cse6 .cse9))))) [2018-11-23 07:32:48,167 INFO L448 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse0) .cse1) (or (< ~methaneLevelCritical~0 1) (< |old(~waterLevel~0)| 2) (or .cse0 .cse2) .cse1))) [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-11-23 07:32:48,168 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-11-23 07:32:48,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:32:48,168 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 07:32:48,169 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:32:48,169 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:32:48,169 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4) (or .cse3 (or .cse0 .cse4) .cse1))) [2018-11-23 07:32:48,169 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-11-23 07:32:48,169 INFO L444 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:32:48,169 INFO L448 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-11-23 07:32:48,169 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4) (or .cse3 (or .cse0 .cse4) .cse1))) [2018-11-23 07:32:48,169 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 07:32:48,169 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4) (or .cse3 (or .cse0 .cse4) .cse1))) [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse10 (not (= ~systemActive~0 1))) (.cse11 (not (= ~methAndRunningLastTime~0 0))) (.cse12 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not .cse12)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~waterLevel~0 2)) (.cse3 (and (or .cse10 .cse11 .cse12) (or (= |old(~waterLevel~0)| 0) .cse10 .cse11))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse8 .cse9 (or .cse1 .cse10 .cse11)) (or (or (or .cse10 .cse7) .cse11) .cse9) (or (or .cse1 .cse7) .cse5 .cse3 .cse6) (or .cse8 (or .cse10 .cse12) (< |old(~waterLevel~0)| 2) .cse9)))) [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-11-23 07:32:48,170 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-11-23 07:32:48,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:32:48 BoogieIcfgContainer [2018-11-23 07:32:48,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:32:48,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:32:48,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:32:48,180 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:32:48,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:32:18" (3/4) ... [2018-11-23 07:32:48,184 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:32:48,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:32:48,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:32:48,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:32:48,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:32:48,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:32:48,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:32:48,198 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 07:32:48,199 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:32:48,199 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:32:48,199 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:32:48,200 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:32:48,200 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:32:48,200 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:32:48,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || (((!(pumpRunning == 0) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical) [2018-11-23 07:32:48,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:32:48,261 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de602318-c083-4587-9693-227471c8d882/bin-2019/utaipan/witness.graphml [2018-11-23 07:32:48,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:32:48,262 INFO L168 Benchmark]: Toolchain (without parser) took 30736.50 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 957.6 MB in the beginning and 1.5 GB in the end (delta: -529.4 MB). Peak memory consumption was 763.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:32:48,263 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:32:48,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:32:48,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:32:48,263 INFO L168 Benchmark]: Boogie Preprocessor took 22.85 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 07:32:48,264 INFO L168 Benchmark]: RCFGBuilder took 492.33 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:32:48,264 INFO L168 Benchmark]: TraceAbstraction took 29745.11 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -452.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 07:32:48,264 INFO L168 Benchmark]: Witness Printer took 81.58 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:32:48,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 492.33 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29745.11 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -452.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 81.58 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || (((!(pumpRunning == 0) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 29.6s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 16.8s AutomataDifference, 0.0s DeadEndRemovalTime, 5.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 3161 SDtfs, 3648 SDslu, 11089 SDs, 0 SdLazy, 5311 SolverSat, 2383 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1497 GetRequests, 1313 SyntacticMatches, 19 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1423 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2494occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9964514322004796 AbsIntWeakeningRatio, 0.864406779661017 AbsIntAvgWeakeningVarsNumRemoved, 88.12203389830509 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 905 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 4057 PreInvPairs, 4241 NumberOfFragments, 3967 HoareAnnotationTreeSize, 4057 FomulaSimplifications, 23762 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 70 FomulaSimplificationsInter, 38247 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2070 NumberOfCodeBlocks, 1956 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2571 ConstructedInterpolants, 0 QuantifiedInterpolants, 715670 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1999 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1124/1178 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...