./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_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_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/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 19e7916b57c61379c1750277bd4e75aabb7fe031 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:04:55,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:04:55,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:04:55,968 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:04:55,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:04:55,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:04:55,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:04:55,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:04:55,972 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:04:55,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:04:55,973 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:04:55,973 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:04:55,974 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:04:55,974 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:04:55,975 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:04:55,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:04:55,976 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:04:55,977 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:04:55,979 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:04:55,980 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:04:55,980 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:04:55,981 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:04:55,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:04:55,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:04:55,983 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:04:55,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:04:55,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:04:55,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:04:55,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:04:55,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:04:55,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:04:55,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:04:55,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:04:55,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:04:55,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:04:55,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:04:55,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:04:55,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:04:55,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:04:55,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:04:55,999 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:04:55,999 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:04:55,999 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:04:55,999 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:04:55,999 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:04:55,999 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:04:55,999 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:04:56,000 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:04:56,000 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:04:56,000 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:04:56,000 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:04:56,000 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:04:56,001 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:04:56,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:04:56,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:04:56,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:04:56,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:04:56,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:04:56,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:04:56,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:04:56,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:04:56,003 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:04:56,003 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:04:56,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:04:56,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:04:56,003 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:04:56,003 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_3521671f-0edb-4910-92a8-dc8438d7a5f3/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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2018-11-22 23:04:56,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:04:56,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:04:56,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:04:56,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:04:56,041 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:04:56,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-22 23:04:56,085 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/data/a2cb6dda4/8c2465202fee49448414ace268053d0c/FLAG435c5618f [2018-11-22 23:04:56,545 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:04:56,545 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-22 23:04:56,555 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/data/a2cb6dda4/8c2465202fee49448414ace268053d0c/FLAG435c5618f [2018-11-22 23:04:57,059 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/data/a2cb6dda4/8c2465202fee49448414ace268053d0c [2018-11-22 23:04:57,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:04:57,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:04:57,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:57,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:04:57,066 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:04:57,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bf0f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57, skipping insertion in model container [2018-11-22 23:04:57,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:04:57,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:04:57,300 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:04:57,310 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:04:57,415 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:04:57,433 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:04:57,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57 WrapperNode [2018-11-22 23:04:57,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:57,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:04:57,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:04:57,434 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:04:57,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:04:57,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:04:57,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:04:57,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:04:57,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... [2018-11-22 23:04:57,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:04:57,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:04:57,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:04:57,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:04:57,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/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 [2018-11-22 23:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:04:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-22 23:04:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-22 23:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:04:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 23:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 23:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 23:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 23:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:04:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 23:04:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 23:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 23:04:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 23:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:04:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 23:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 23:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 23:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 23:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:04:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:04:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:04:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:04:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:04:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:04:57,939 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:04:57,940 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:04:57,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:57 BoogieIcfgContainer [2018-11-22 23:04:57,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:04:57,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:04:57,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:04:57,947 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:04:57,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:04:57" (1/3) ... [2018-11-22 23:04:57,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c48d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:04:57, skipping insertion in model container [2018-11-22 23:04:57,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:57" (2/3) ... [2018-11-22 23:04:57,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c48d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:04:57, skipping insertion in model container [2018-11-22 23:04:57,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:57" (3/3) ... [2018-11-22 23:04:57,949 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-22 23:04:57,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:04:57,964 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:04:57,976 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:04:57,998 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:04:57,999 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:04:57,999 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:04:57,999 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:04:57,999 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:04:57,999 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:04:57,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:04:57,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:04:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-22 23:04:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 23:04:58,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:58,020 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] [2018-11-22 23:04:58,022 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:58,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:58,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1646241566, now seen corresponding path program 1 times [2018-11-22 23:04:58,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:04:58,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:58,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:04:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:58,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:58,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:04:58,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:04:58,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:04:58,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:04:58,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:04:58,226 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-22 23:04:58,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:04:58,251 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2018-11-22 23:04:58,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:04:58,252 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 23:04:58,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:04:58,263 INFO L225 Difference]: With dead ends: 264 [2018-11-22 23:04:58,263 INFO L226 Difference]: Without dead ends: 132 [2018-11-22 23:04:58,267 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 [2018-11-22 23:04:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-22 23:04:58,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-22 23:04:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-22 23:04:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-11-22 23:04:58,301 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2018-11-22 23:04:58,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:04:58,302 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-11-22 23:04:58,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:04:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-11-22 23:04:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:04:58,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:58,304 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] [2018-11-22 23:04:58,304 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:58,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:58,304 INFO L82 PathProgramCache]: Analyzing trace with hash 995589055, now seen corresponding path program 1 times [2018-11-22 23:04:58,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:04:58,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:58,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:04:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:58,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:58,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:04:58,384 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:04:58,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:04:58,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:04:58,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:04:58,386 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-11-22 23:04:58,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:04:58,403 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2018-11-22 23:04:58,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:04:58,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 23:04:58,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:04:58,405 INFO L225 Difference]: With dead ends: 203 [2018-11-22 23:04:58,405 INFO L226 Difference]: Without dead ends: 123 [2018-11-22 23:04:58,406 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 [2018-11-22 23:04:58,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-22 23:04:58,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-22 23:04:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-22 23:04:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-11-22 23:04:58,419 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2018-11-22 23:04:58,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:04:58,419 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-11-22 23:04:58,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:04:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-11-22 23:04:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:04:58,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:58,421 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] [2018-11-22 23:04:58,421 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:58,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:58,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1418409664, now seen corresponding path program 1 times [2018-11-22 23:04:58,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:04:58,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:58,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,422 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:04:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:58,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:58,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:04:58,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:04:58,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:04:58,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:04:58,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:04:58,540 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-11-22 23:04:58,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:04:58,880 INFO L93 Difference]: Finished difference Result 371 states and 449 transitions. [2018-11-22 23:04:58,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:04:58,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-22 23:04:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:04:58,882 INFO L225 Difference]: With dead ends: 371 [2018-11-22 23:04:58,883 INFO L226 Difference]: Without dead ends: 272 [2018-11-22 23:04:58,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:04:58,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-11-22 23:04:58,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2018-11-22 23:04:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-11-22 23:04:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2018-11-22 23:04:58,912 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2018-11-22 23:04:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:04:58,912 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2018-11-22 23:04:58,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:04:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2018-11-22 23:04:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 23:04:58,914 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:58,915 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] [2018-11-22 23:04:58,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:58,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:58,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1120984951, now seen corresponding path program 1 times [2018-11-22 23:04:58,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:04:58,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:58,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:58,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:04:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:59,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:59,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 23:04:59,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:04:59,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:04:59,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:04:59,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:04:59,031 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 10 states. [2018-11-22 23:04:59,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:04:59,581 INFO L93 Difference]: Finished difference Result 920 states and 1175 transitions. [2018-11-22 23:04:59,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 23:04:59,581 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-22 23:04:59,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:04:59,585 INFO L225 Difference]: With dead ends: 920 [2018-11-22 23:04:59,585 INFO L226 Difference]: Without dead ends: 684 [2018-11-22 23:04:59,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:04:59,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2018-11-22 23:04:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2018-11-22 23:04:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-22 23:04:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 832 transitions. [2018-11-22 23:04:59,631 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 832 transitions. Word has length 57 [2018-11-22 23:04:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:04:59,632 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 832 transitions. [2018-11-22 23:04:59,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:04:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2018-11-22 23:04:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 23:04:59,635 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:59,636 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] [2018-11-22 23:04:59,636 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:59,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:59,636 INFO L82 PathProgramCache]: Analyzing trace with hash 16017213, now seen corresponding path program 1 times [2018-11-22 23:04:59,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:04:59,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:59,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:59,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:59,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:04:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:59,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:59,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:04:59,706 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:04:59,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:04:59,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:04:59,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:04:59,707 INFO L87 Difference]: Start difference. First operand 672 states and 832 transitions. Second operand 4 states. [2018-11-22 23:04:59,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:04:59,800 INFO L93 Difference]: Finished difference Result 1086 states and 1384 transitions. [2018-11-22 23:04:59,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 23:04:59,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-22 23:04:59,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:04:59,803 INFO L225 Difference]: With dead ends: 1086 [2018-11-22 23:04:59,803 INFO L226 Difference]: Without dead ends: 438 [2018-11-22 23:04:59,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-22 23:04:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-11-22 23:04:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 426. [2018-11-22 23:04:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-11-22 23:04:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-11-22 23:04:59,824 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 61 [2018-11-22 23:04:59,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:04:59,825 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-11-22 23:04:59,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:04:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-11-22 23:04:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 23:04:59,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:59,827 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:04:59,827 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:59,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:59,827 INFO L82 PathProgramCache]: Analyzing trace with hash 961116978, now seen corresponding path program 1 times [2018-11-22 23:04:59,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:04:59,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:59,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:59,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:59,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:04:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-22 23:04:59,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:04:59,906 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:04:59,907 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-11-22 23:04:59,908 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [88], [97], [101], [105], [108], [113], [119], [121], [127], [130], [133], [143], [144], [145], [146], [161], [168], [171], [205], [213], [217], [218], [240], [241], [242], [243], [244], [246], [247], [248], [249], [250], [251], [252], [253], [254], [260], [272], [273], [278], [279], [280], [281], [288], [289], [294], [295], [296] [2018-11-22 23:04:59,934 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:04:59,934 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:05:00,427 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:05:00,429 INFO L272 AbstractInterpreter]: Visited 67 different actions 137 times. Merged at 13 different actions 19 times. Never widened. Performed 5095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-22 23:05:00,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:05:00,441 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:05:00,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:05:00,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/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 [2018-11-22 23:05:00,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:05:00,448 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:05:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:05:00,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:05:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:05:00,655 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:05:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:05:00,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:05:00,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-11-22 23:05:00,867 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:05:00,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-22 23:05:00,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-22 23:05:00,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-22 23:05:00,868 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 12 states. [2018-11-22 23:05:01,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:05:01,348 INFO L93 Difference]: Finished difference Result 563 states and 645 transitions. [2018-11-22 23:05:01,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:05:01,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-22 23:05:01,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:05:01,353 INFO L225 Difference]: With dead ends: 563 [2018-11-22 23:05:01,353 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:05:01,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-11-22 23:05:01,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:05:01,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:05:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:05:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:05:01,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-22 23:05:01,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:05:01,355 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:05:01,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-22 23:05:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:05:01,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:05:01,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:05:02,492 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2018-11-22 23:05:02,492 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2018-11-22 23:05:02,492 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2018-11-22 23:05:02,492 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2018-11-22 23:05:02,492 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2018-11-22 23:05:02,492 INFO L444 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-22 23:05:02,492 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L444 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L451 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-22 23:05:02,493 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-22 23:05:02,494 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,494 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,494 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,494 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,494 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-22 23:05:02,494 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-22 23:05:02,494 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,494 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,494 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-11-22 23:05:02,495 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2018-11-22 23:05:02,495 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2018-11-22 23:05:02,503 INFO L448 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2018-11-22 23:05:02,503 INFO L451 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2018-11-22 23:05:02,504 INFO L448 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2018-11-22 23:05:02,504 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2018-11-22 23:05:02,504 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2018-11-22 23:05:02,504 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2018-11-22 23:05:02,504 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,504 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-22 23:05:02,504 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-22 23:05:02,504 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2018-11-22 23:05:02,504 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2018-11-22 23:05:02,504 INFO L451 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-11-22 23:05:02,505 INFO L448 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2018-11-22 23:05:02,505 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2018-11-22 23:05:02,505 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2018-11-22 23:05:02,505 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2018-11-22 23:05:02,505 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2018-11-22 23:05:02,505 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-22 23:05:02,505 INFO L448 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2018-11-22 23:05:02,505 INFO L444 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 23:05:02,505 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2018-11-22 23:05:02,506 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 23:05:02,506 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-22 23:05:02,506 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2018-11-22 23:05:02,506 INFO L444 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 23:05:02,506 INFO L448 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2018-11-22 23:05:02,506 INFO L448 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2018-11-22 23:05:02,506 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2018-11-22 23:05:02,506 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2018-11-22 23:05:02,506 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,507 INFO L444 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,507 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2018-11-22 23:05:02,507 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,507 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-22 23:05:02,507 INFO L444 ceAbstractionStarter]: At program point L560-1(lines 552 567) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,507 INFO L448 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2018-11-22 23:05:02,507 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,507 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2018-11-22 23:05:02,507 INFO L444 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,507 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2018-11-22 23:05:02,508 INFO L448 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2018-11-22 23:05:02,508 INFO L444 ceAbstractionStarter]: At program point L569(lines 522 571) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,508 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 23:05:02,508 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2018-11-22 23:05:02,508 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2018-11-22 23:05:02,508 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2018-11-22 23:05:02,510 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2018-11-22 23:05:02,510 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2018-11-22 23:05:02,510 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2018-11-22 23:05:02,510 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2018-11-22 23:05:02,510 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:05:02,510 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)) [2018-11-22 23:05:02,510 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:05:02,510 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2018-11-22 23:05:02,510 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2018-11-22 23:05:02,511 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2018-11-22 23:05:02,511 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-11-22 23:05:02,511 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-11-22 23:05:02,511 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-11-22 23:05:02,511 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2018-11-22 23:05:02,511 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2018-11-22 23:05:02,511 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2018-11-22 23:05:02,511 INFO L444 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-11-22 23:05:02,511 INFO L444 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-22 23:05:02,511 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-11-22 23:05:02,511 INFO L448 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-22 23:05:02,512 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-22 23:05:02,512 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-22 23:05:02,512 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-22 23:05:02,512 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-22 23:05:02,513 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2018-11-22 23:05:02,513 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-11-22 23:05:02,514 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2018-11-22 23:05:02,514 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2018-11-22 23:05:02,514 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2018-11-22 23:05:02,514 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2018-11-22 23:05:02,514 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 23:05:02,514 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2018-11-22 23:05:02,514 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-22 23:05:02,514 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 23:05:02,514 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2018-11-22 23:05:02,514 INFO L444 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 23:05:02,515 INFO L448 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2018-11-22 23:05:02,515 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2018-11-22 23:05:02,515 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-22 23:05:02,515 INFO L448 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2018-11-22 23:05:02,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:05:02 BoogieIcfgContainer [2018-11-22 23:05:02,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:05:02,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:05:02,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:05:02,527 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:05:02,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:57" (3/4) ... [2018-11-22 23:05:02,539 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 23:05:02,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:05:02,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:05:02,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:05:02,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:05:02,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 23:05:02,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:05:02,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:05:02,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 23:05:02,552 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-22 23:05:02,553 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:05:02,553 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:05:02,554 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:05:02,554 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:05:02,554 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:05:02,555 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:05:02,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-22 23:05:02,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-22 23:05:02,610 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3521671f-0edb-4910-92a8-dc8438d7a5f3/bin-2019/utaipan/witness.graphml [2018-11-22 23:05:02,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:05:02,611 INFO L168 Benchmark]: Toolchain (without parser) took 5548.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 955.5 MB in the beginning and 953.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:02,612 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-22 23:05:02,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:02,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:05:02,612 INFO L168 Benchmark]: Boogie Preprocessor took 24.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:02,613 INFO L168 Benchmark]: RCFGBuilder took 455.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:02,613 INFO L168 Benchmark]: TraceAbstraction took 4582.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 966.4 MB in the end (delta: 89.5 MB). Peak memory consumption was 275.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:02,613 INFO L168 Benchmark]: Witness Printer took 83.33 ms. Allocated memory is still 1.2 GB. Free memory was 966.4 MB in the beginning and 953.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:02,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 455.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4582.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 966.4 MB in the end (delta: 89.5 MB). Peak memory consumption was 275.2 MB. Max. memory is 11.5 GB. * Witness Printer took 83.33 ms. Allocated memory is still 1.2 GB. Free memory was 966.4 MB in the beginning and 953.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 855 SDtfs, 818 SDslu, 1981 SDs, 0 SdLazy, 1143 SolverSat, 283 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 195 SyntacticMatches, 9 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 789 PreInvPairs, 832 NumberOfFragments, 882 HoareAnnotationTreeSize, 789 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 3515 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...