./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_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_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce17648ffa5822f201dca35a60378555aafbd885 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:45:07,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:45:07,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:45:07,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:45:07,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:45:07,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:45:07,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:45:07,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:45:07,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:45:07,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:45:07,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:45:07,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:45:07,975 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:45:07,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:45:07,977 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:45:07,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:45:07,978 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:45:07,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:45:07,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:45:07,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:45:07,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:45:07,983 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:45:07,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:45:07,985 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:45:07,985 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:45:07,985 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:45:07,986 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:45:07,987 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:45:07,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:45:07,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:45:07,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:45:07,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:45:07,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:45:07,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:45:07,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:45:07,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:45:07,990 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:45:08,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:45:08,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:45:08,001 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:45:08,001 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:45:08,002 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:45:08,002 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:45:08,002 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:45:08,002 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:45:08,002 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:45:08,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:45:08,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:45:08,004 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:45:08,004 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:45:08,004 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:45:08,004 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:45:08,004 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:45:08,004 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:45:08,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:45:08,005 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:45:08,005 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:45:08,005 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:45:08,005 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:45:08,005 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:45:08,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:45:08,005 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer 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 -> Automizer 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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-23 03:45:08,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:45:08,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:45:08,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:45:08,038 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:45:08,038 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:45:08,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-23 03:45:08,076 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/data/cb2d653f3/6a66605cbb964cd0931ea977acb3f2de/FLAGce286ba0c [2018-11-23 03:45:08,425 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:45:08,426 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-23 03:45:08,435 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/data/cb2d653f3/6a66605cbb964cd0931ea977acb3f2de/FLAGce286ba0c [2018-11-23 03:45:08,834 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/data/cb2d653f3/6a66605cbb964cd0931ea977acb3f2de [2018-11-23 03:45:08,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:45:08,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:45:08,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:45:08,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:45:08,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:45:08,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:08" (1/1) ... [2018-11-23 03:45:08,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08, skipping insertion in model container [2018-11-23 03:45:08,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:08" (1/1) ... [2018-11-23 03:45:08,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:45:08,880 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:45:09,088 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:45:09,097 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:45:09,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:45:09,215 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:45:09,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09 WrapperNode [2018-11-23 03:45:09,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:45:09,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:45:09,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:45:09,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:45:09,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:45:09,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:45:09,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:45:09,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:45:09,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... [2018-11-23 03:45:09,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:45:09,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:45:09,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:45:09,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:45:09,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:45:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:45:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:45:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:45:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:45:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:45:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:45:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:45:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:45:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:45:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:45:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:45:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:45:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:45:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 03:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 03:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:45:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:45:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:45:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:45:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:45:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:45:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:45:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:45:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:45:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:45:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:45:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:45:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:45:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:45:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:45:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:45:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:45:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:45:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:45:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:45:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:45:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:45:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:45:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:45:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:45:09,747 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:45:09,747 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:45:09,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:45:09 BoogieIcfgContainer [2018-11-23 03:45:09,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:45:09,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:45:09,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:45:09,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:45:09,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:45:08" (1/3) ... [2018-11-23 03:45:09,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c89bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:45:09, skipping insertion in model container [2018-11-23 03:45:09,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:09" (2/3) ... [2018-11-23 03:45:09,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c89bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:45:09, skipping insertion in model container [2018-11-23 03:45:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:45:09" (3/3) ... [2018-11-23 03:45:09,753 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-23 03:45:09,760 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:45:09,766 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:45:09,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:45:09,799 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:45:09,799 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:45:09,799 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:45:09,799 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:45:09,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:45:09,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:45:09,800 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:45:09,800 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:45:09,800 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:45:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-23 03:45:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:45:09,820 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:09,821 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] [2018-11-23 03:45:09,823 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:09,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:09,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1707468692, now seen corresponding path program 1 times [2018-11-23 03:45:09,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:09,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:09,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:09,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:09,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:10,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:10,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:45:10,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:45:10,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:45:10,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:45:10,042 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-23 03:45:10,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:10,075 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2018-11-23 03:45:10,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:45:10,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 03:45:10,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:10,088 INFO L225 Difference]: With dead ends: 314 [2018-11-23 03:45:10,088 INFO L226 Difference]: Without dead ends: 157 [2018-11-23 03:45:10,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:45:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-23 03:45:10,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-23 03:45:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-23 03:45:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2018-11-23 03:45:10,130 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2018-11-23 03:45:10,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:10,130 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2018-11-23 03:45:10,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:45:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2018-11-23 03:45:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 03:45:10,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:10,132 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] [2018-11-23 03:45:10,132 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:10,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:10,132 INFO L82 PathProgramCache]: Analyzing trace with hash -714026924, now seen corresponding path program 1 times [2018-11-23 03:45:10,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:10,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:10,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:10,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:10,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:10,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:10,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:45:10,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:45:10,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:45:10,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:45:10,216 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2018-11-23 03:45:10,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:10,237 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2018-11-23 03:45:10,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:45:10,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 03:45:10,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:10,240 INFO L225 Difference]: With dead ends: 259 [2018-11-23 03:45:10,240 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 03:45:10,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:45:10,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 03:45:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-23 03:45:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-23 03:45:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2018-11-23 03:45:10,253 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2018-11-23 03:45:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:10,253 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2018-11-23 03:45:10,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:45:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2018-11-23 03:45:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:45:10,255 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:10,255 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:10,255 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:10,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:10,256 INFO L82 PathProgramCache]: Analyzing trace with hash -418770940, now seen corresponding path program 1 times [2018-11-23 03:45:10,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:10,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:10,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:10,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:10,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:10,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:10,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:45:10,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:45:10,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:45:10,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:45:10,337 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2018-11-23 03:45:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:10,357 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2018-11-23 03:45:10,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:45:10,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 03:45:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:10,359 INFO L225 Difference]: With dead ends: 272 [2018-11-23 03:45:10,359 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 03:45:10,360 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:45:10,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 03:45:10,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-23 03:45:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-23 03:45:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2018-11-23 03:45:10,372 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2018-11-23 03:45:10,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:10,372 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2018-11-23 03:45:10,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:45:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2018-11-23 03:45:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 03:45:10,374 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:10,374 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:10,374 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:10,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:10,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1599970304, now seen corresponding path program 1 times [2018-11-23 03:45:10,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:10,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:10,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:10,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:10,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:10,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:10,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:45:10,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:45:10,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:45:10,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:45:10,472 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2018-11-23 03:45:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:11,020 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2018-11-23 03:45:11,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:45:11,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 03:45:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:11,022 INFO L225 Difference]: With dead ends: 389 [2018-11-23 03:45:11,023 INFO L226 Difference]: Without dead ends: 265 [2018-11-23 03:45:11,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:45:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-23 03:45:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2018-11-23 03:45:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-23 03:45:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2018-11-23 03:45:11,042 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2018-11-23 03:45:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:11,043 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2018-11-23 03:45:11,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:45:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2018-11-23 03:45:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 03:45:11,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:11,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:11,045 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:11,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:11,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1641427357, now seen corresponding path program 1 times [2018-11-23 03:45:11,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:11,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:11,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:11,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:11,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:11,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:11,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:45:11,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:45:11,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:45:11,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:45:11,151 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 10 states. [2018-11-23 03:45:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:11,538 INFO L93 Difference]: Finished difference Result 803 states and 971 transitions. [2018-11-23 03:45:11,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:45:11,540 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-23 03:45:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:11,544 INFO L225 Difference]: With dead ends: 803 [2018-11-23 03:45:11,544 INFO L226 Difference]: Without dead ends: 581 [2018-11-23 03:45:11,545 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 [2018-11-23 03:45:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2018-11-23 03:45:11,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2018-11-23 03:45:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-11-23 03:45:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 660 transitions. [2018-11-23 03:45:11,585 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 660 transitions. Word has length 84 [2018-11-23 03:45:11,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:11,585 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 660 transitions. [2018-11-23 03:45:11,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:45:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 660 transitions. [2018-11-23 03:45:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 03:45:11,590 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:11,590 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:11,590 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:11,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:11,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1400670019, now seen corresponding path program 1 times [2018-11-23 03:45:11,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:11,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:11,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:11,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:11,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 03:45:11,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:11,672 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:11,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:11,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:11,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:45:11,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 03:45:11,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:45:11,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:45:11,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:45:11,909 INFO L87 Difference]: Start difference. First operand 571 states and 660 transitions. Second operand 12 states. [2018-11-23 03:45:13,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:13,340 INFO L93 Difference]: Finished difference Result 1619 states and 2127 transitions. [2018-11-23 03:45:13,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 03:45:13,341 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2018-11-23 03:45:13,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:13,344 INFO L225 Difference]: With dead ends: 1619 [2018-11-23 03:45:13,345 INFO L226 Difference]: Without dead ends: 1072 [2018-11-23 03:45:13,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-23 03:45:13,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2018-11-23 03:45:13,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 980. [2018-11-23 03:45:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2018-11-23 03:45:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1179 transitions. [2018-11-23 03:45:13,407 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1179 transitions. Word has length 152 [2018-11-23 03:45:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:13,408 INFO L480 AbstractCegarLoop]: Abstraction has 980 states and 1179 transitions. [2018-11-23 03:45:13,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:45:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1179 transitions. [2018-11-23 03:45:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 03:45:13,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:13,410 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:13,411 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:13,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:13,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1108348475, now seen corresponding path program 1 times [2018-11-23 03:45:13,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:13,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:13,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:13,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:13,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 03:45:13,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:13,491 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:13,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:13,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 03:45:13,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:45:13,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 03:45:13,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 03:45:13,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 03:45:13,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:45:13,692 INFO L87 Difference]: Start difference. First operand 980 states and 1179 transitions. Second operand 11 states. [2018-11-23 03:45:13,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:13,752 INFO L93 Difference]: Finished difference Result 1746 states and 2150 transitions. [2018-11-23 03:45:13,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:45:13,753 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2018-11-23 03:45:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:13,755 INFO L225 Difference]: With dead ends: 1746 [2018-11-23 03:45:13,755 INFO L226 Difference]: Without dead ends: 790 [2018-11-23 03:45:13,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:45:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-23 03:45:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-11-23 03:45:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-11-23 03:45:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 941 transitions. [2018-11-23 03:45:13,787 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 941 transitions. Word has length 148 [2018-11-23 03:45:13,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:13,788 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 941 transitions. [2018-11-23 03:45:13,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 03:45:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 941 transitions. [2018-11-23 03:45:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 03:45:13,789 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:13,790 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:13,790 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:13,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash 466235648, now seen corresponding path program 1 times [2018-11-23 03:45:13,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:13,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:13,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:13,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:13,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 03:45:13,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:13,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:45:13,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:45:13,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:45:13,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:45:13,893 INFO L87 Difference]: Start difference. First operand 790 states and 941 transitions. Second operand 9 states. [2018-11-23 03:45:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:14,326 INFO L93 Difference]: Finished difference Result 2129 states and 2593 transitions. [2018-11-23 03:45:14,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 03:45:14,327 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-23 03:45:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:14,331 INFO L225 Difference]: With dead ends: 2129 [2018-11-23 03:45:14,331 INFO L226 Difference]: Without dead ends: 1363 [2018-11-23 03:45:14,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:45:14,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2018-11-23 03:45:14,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1360. [2018-11-23 03:45:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2018-11-23 03:45:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1604 transitions. [2018-11-23 03:45:14,411 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1604 transitions. Word has length 152 [2018-11-23 03:45:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:14,411 INFO L480 AbstractCegarLoop]: Abstraction has 1360 states and 1604 transitions. [2018-11-23 03:45:14,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:45:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1604 transitions. [2018-11-23 03:45:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 03:45:14,413 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:14,413 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:14,413 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:14,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:14,414 INFO L82 PathProgramCache]: Analyzing trace with hash -507727844, now seen corresponding path program 1 times [2018-11-23 03:45:14,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:14,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:14,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:14,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:14,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 03:45:14,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:14,533 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:14,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:14,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:45:14,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:45:14,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 03:45:14,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 03:45:14,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 03:45:14,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:45:14,729 INFO L87 Difference]: Start difference. First operand 1360 states and 1604 transitions. Second operand 19 states. [2018-11-23 03:45:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:15,292 INFO L93 Difference]: Finished difference Result 2523 states and 3021 transitions. [2018-11-23 03:45:15,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 03:45:15,292 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 156 [2018-11-23 03:45:15,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:15,296 INFO L225 Difference]: With dead ends: 2523 [2018-11-23 03:45:15,296 INFO L226 Difference]: Without dead ends: 1323 [2018-11-23 03:45:15,298 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 03:45:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2018-11-23 03:45:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1320. [2018-11-23 03:45:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2018-11-23 03:45:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1549 transitions. [2018-11-23 03:45:15,338 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1549 transitions. Word has length 156 [2018-11-23 03:45:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:15,338 INFO L480 AbstractCegarLoop]: Abstraction has 1320 states and 1549 transitions. [2018-11-23 03:45:15,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 03:45:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1549 transitions. [2018-11-23 03:45:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 03:45:15,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:15,340 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:15,340 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:15,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:15,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1188948764, now seen corresponding path program 2 times [2018-11-23 03:45:15,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:15,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:15,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:15,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:15,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 03:45:15,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:15,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:45:15,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:45:15,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:45:15,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:45:15,400 INFO L87 Difference]: Start difference. First operand 1320 states and 1549 transitions. Second operand 6 states. [2018-11-23 03:45:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:15,509 INFO L93 Difference]: Finished difference Result 1345 states and 1578 transitions. [2018-11-23 03:45:15,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:45:15,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-23 03:45:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:15,514 INFO L225 Difference]: With dead ends: 1345 [2018-11-23 03:45:15,514 INFO L226 Difference]: Without dead ends: 1342 [2018-11-23 03:45:15,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:45:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2018-11-23 03:45:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1320. [2018-11-23 03:45:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2018-11-23 03:45:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1541 transitions. [2018-11-23 03:45:15,577 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1541 transitions. Word has length 156 [2018-11-23 03:45:15,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:15,577 INFO L480 AbstractCegarLoop]: Abstraction has 1320 states and 1541 transitions. [2018-11-23 03:45:15,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:45:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1541 transitions. [2018-11-23 03:45:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 03:45:15,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:15,580 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:15,580 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:15,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:15,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1039540579, now seen corresponding path program 1 times [2018-11-23 03:45:15,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:15,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:15,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:15,581 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 03:45:15,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 03:45:15,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:15,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:45:15,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:45:15,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:45:15,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:45:15,668 INFO L87 Difference]: Start difference. First operand 1320 states and 1541 transitions. Second operand 9 states. [2018-11-23 03:45:15,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:15,747 INFO L93 Difference]: Finished difference Result 2504 states and 2957 transitions. [2018-11-23 03:45:15,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:45:15,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-11-23 03:45:15,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:15,751 INFO L225 Difference]: With dead ends: 2504 [2018-11-23 03:45:15,751 INFO L226 Difference]: Without dead ends: 1344 [2018-11-23 03:45:15,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:45:15,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2018-11-23 03:45:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1335. [2018-11-23 03:45:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-11-23 03:45:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1556 transitions. [2018-11-23 03:45:15,798 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1556 transitions. Word has length 174 [2018-11-23 03:45:15,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:15,798 INFO L480 AbstractCegarLoop]: Abstraction has 1335 states and 1556 transitions. [2018-11-23 03:45:15,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:45:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1556 transitions. [2018-11-23 03:45:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 03:45:15,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:15,800 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:15,801 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:15,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:15,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1011443419, now seen corresponding path program 1 times [2018-11-23 03:45:15,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:45:15,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:45:15,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:15,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:15,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:45:15,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:15,898 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:15,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:15,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:45:16,064 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:45:16,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 03:45:16,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 03:45:16,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 03:45:16,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 03:45:16,065 INFO L87 Difference]: Start difference. First operand 1335 states and 1556 transitions. Second operand 14 states. [2018-11-23 03:45:17,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:17,048 INFO L93 Difference]: Finished difference Result 2005 states and 2435 transitions. [2018-11-23 03:45:17,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:45:17,048 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2018-11-23 03:45:17,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:17,049 INFO L225 Difference]: With dead ends: 2005 [2018-11-23 03:45:17,049 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:45:17,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:45:17,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:45:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:45:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:45:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:45:17,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2018-11-23 03:45:17,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:17,053 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:45:17,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 03:45:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:45:17,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:45:17,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:45:17,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:45:17,667 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 18 [2018-11-23 03:45:18,952 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2018-11-23 03:45:20,107 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2018-11-23 03:45:20,275 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2018-11-23 03:45:20,294 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-23 03:45:20,294 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-23 03:45:20,294 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-23 03:45:20,294 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-23 03:45:20,294 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2018-11-23 03:45:20,295 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or .cse4 .cse0 (< ~waterLevel~0 1) .cse2))) [2018-11-23 03:45:20,295 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or .cse4 .cse0 (< ~waterLevel~0 1) .cse2))) [2018-11-23 03:45:20,295 INFO L448 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2018-11-23 03:45:20,295 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-23 03:45:20,296 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,296 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2018-11-23 03:45:20,296 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,296 INFO L444 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,296 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2018-11-23 03:45:20,296 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2018-11-23 03:45:20,296 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2018-11-23 03:45:20,296 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 03:45:20,296 INFO L444 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,296 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,296 INFO L444 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,297 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0) .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2018-11-23 03:45:20,297 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2018-11-23 03:45:20,297 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,297 INFO L444 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,297 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2018-11-23 03:45:20,297 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:45:20,297 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2018-11-23 03:45:20,297 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3))) [2018-11-23 03:45:20,297 INFO L448 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2018-11-23 03:45:20,297 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L451 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-23 03:45:20,298 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-23 03:45:20,298 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L451 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2018-11-23 03:45:20,299 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2018-11-23 03:45:20,300 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2018-11-23 03:45:20,300 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2018-11-23 03:45:20,300 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse4 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-23 03:45:20,300 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-11-23 03:45:20,300 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2018-11-23 03:45:20,300 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2018-11-23 03:45:20,300 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,300 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-23 03:45:20,300 INFO L448 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2018-11-23 03:45:20,300 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 03:45:20,301 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,301 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2018-11-23 03:45:20,301 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2018-11-23 03:45:20,301 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2018-11-23 03:45:20,301 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,301 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-11-23 03:45:20,301 INFO L444 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:45:20,301 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-23 03:45:20,301 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:45:20,301 INFO L448 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-11-23 03:45:20,301 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L444 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse4) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L444 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2018-11-23 03:45:20,302 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 (and (<= 2 ~waterLevel~0) .cse2 .cse4)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-11-23 03:45:20,302 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2018-11-23 03:45:20,303 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,304 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L451 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2018-11-23 03:45:20,304 INFO L448 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2 .cse1) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 .cse0 .cse4 (= ~methaneLevelCritical~0 1)))) [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2018-11-23 03:45:20,305 INFO L451 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L448 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2018-11-23 03:45:20,305 INFO L451 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2018-11-23 03:45:20,306 INFO L448 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-23 03:45:20,306 INFO L451 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2018-11-23 03:45:20,306 INFO L451 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2018-11-23 03:45:20,306 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-23 03:45:20,306 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse6 (<= 2 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse8 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2 .cse7 .cse8) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10) .cse5 .cse2 (and .cse0 .cse10) .cse3) (or .cse2 (and .cse9 .cse10) .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse8 .cse4)))) [2018-11-23 03:45:20,306 INFO L444 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse4 (and .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (not (= |old(~pumpRunning~0)| 0)) .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse7 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (<= 2 |old(~waterLevel~0)|) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse8 .cse0 .cse2 (and .cse9 .cse6) .cse7)))) [2018-11-23 03:45:20,306 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (<= 2 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse7 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse9)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse4 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse2 .cse3 .cse8 .cse0)))) [2018-11-23 03:45:20,306 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or .cse2 (and .cse4 .cse5) .cse6 .cse3) (or .cse0 .cse2 (and (not (= |old(~pumpRunning~0)| 0)) .cse4 .cse5) .cse6))) [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~systemActive~0 0) (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:45:20,307 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-11-23 03:45:20,307 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:45:20,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:45:20,308 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,308 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2018-11-23 03:45:20,308 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:45:20,308 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2018-11-23 03:45:20,308 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,308 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,308 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2018-11-23 03:45:20,308 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:45:20,308 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-23 03:45:20,308 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse5 (< ~waterLevel~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse0) (or .cse2 .cse3 .cse6 .cse0) (or .cse4 .cse2 .cse5 .cse0 .cse6))) [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or (<= 2 |old(~waterLevel~0)|) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4) (or (< |old(~waterLevel~0)| 2) .cse4 .cse0 .cse1))) [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 03:45:20,309 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 03:45:20,309 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 03:45:20,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:45:20 BoogieIcfgContainer [2018-11-23 03:45:20,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:45:20,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:45:20,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:45:20,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:45:20,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:45:09" (3/4) ... [2018-11-23 03:45:20,324 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:45:20,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:45:20,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:45:20,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:45:20,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:45:20,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:45:20,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:45:20,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:45:20,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:45:20,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:45:20,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:45:20,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:45:20,338 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 03:45:20,338 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:45:20,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:45:20,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:45:20,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:45:20,339 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:45:20,340 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:45:20,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && 1 <= waterLevel) && splverifierCounter == 0)) || ((((0 == pumpRunning && !(systemActive == 0)) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0) [2018-11-23 03:45:20,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:45:20,390 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_371a944b-a6fb-4055-9e9a-5b557fa9a69f/bin-2019/uautomizer/witness.graphml [2018-11-23 03:45:20,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:45:20,391 INFO L168 Benchmark]: Toolchain (without parser) took 11554.88 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 586.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 459.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:45:20,391 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:45:20,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:45:20,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:45:20,392 INFO L168 Benchmark]: Boogie Preprocessor took 34.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:45:20,392 INFO L168 Benchmark]: RCFGBuilder took 467.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:45:20,393 INFO L168 Benchmark]: TraceAbstraction took 10571.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 429.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.8 MB). Peak memory consumption was 534.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:45:20,393 INFO L168 Benchmark]: Witness Printer took 70.45 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:45:20,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 467.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10571.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 429.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.8 MB). Peak memory consumption was 534.2 MB. Max. memory is 11.5 GB. * Witness Printer took 70.45 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && 1 <= waterLevel) && splverifierCounter == 0)) || ((((0 == pumpRunning && !(systemActive == 0)) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 170 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2455 SDtfs, 2476 SDslu, 9192 SDs, 0 SdLazy, 6130 SolverSat, 1001 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 819 GetRequests, 668 SyntacticMatches, 2 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1360occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 158 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3310 PreInvPairs, 3495 NumberOfFragments, 2293 HoareAnnotationTreeSize, 3310 FomulaSimplifications, 8674 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 71 FomulaSimplificationsInter, 12728 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2041 NumberOfCodeBlocks, 2041 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2025 ConstructedInterpolants, 0 QuantifiedInterpolants, 454366 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3537 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 348/387 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...