./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:22:42,414 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:22:42,415 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:22:42,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:22:42,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:22:42,422 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:22:42,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:22:42,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:22:42,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:22:42,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:22:42,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:22:42,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:22:42,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:22:42,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:22:42,428 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:22:42,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:22:42,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:22:42,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:22:42,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:22:42,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:22:42,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:22:42,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:22:42,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:22:42,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:22:42,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:22:42,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:22:42,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:22:42,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:22:42,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:22:42,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:22:42,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:22:42,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:22:42,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:22:42,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:22:42,439 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:22:42,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:22:42,440 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:22:42,450 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:22:42,450 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:22:42,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:22:42,451 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:22:42,451 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:22:42,452 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:22:42,452 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:22:42,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:22:42,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:22:42,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:22:42,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:22:42,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:22:42,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:22:42,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:22:42,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:22:42,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:22:42,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:22:42,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:22:42,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:22:42,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:22:42,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:22:42,455 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:22:42,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:22:42,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:22:42,455 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_d5cba138-1e51-4e54-a381-ee83d60585a4/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2018-11-28 13:22:42,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:22:42,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:22:42,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:22:42,493 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:22:42,494 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:22:42,494 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c [2018-11-28 13:22:42,545 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/data/3dc8ce9ae/bd720b38d7a14a539a613ec084c592b6/FLAG75ca172a5 [2018-11-28 13:22:42,946 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:22:42,946 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/sv-benchmarks/c/product-lines/minepump_spec4_product63_true-unreach-call_false-termination.cil.c [2018-11-28 13:22:42,956 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/data/3dc8ce9ae/bd720b38d7a14a539a613ec084c592b6/FLAG75ca172a5 [2018-11-28 13:22:43,318 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/data/3dc8ce9ae/bd720b38d7a14a539a613ec084c592b6 [2018-11-28 13:22:43,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:22:43,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:22:43,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:22:43,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:22:43,325 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:22:43,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8662d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43, skipping insertion in model container [2018-11-28 13:22:43,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:22:43,368 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:22:43,581 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:22:43,641 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:22:43,700 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:22:43,721 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:22:43,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43 WrapperNode [2018-11-28 13:22:43,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:22:43,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:22:43,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:22:43,722 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:22:43,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:22:43,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:22:43,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:22:43,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:22:43,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... [2018-11-28 13:22:43,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:22:43,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:22:43,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:22:43,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:22:43,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/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 [2018-11-28 13:22:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:22:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:22:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:22:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:22:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:22:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:22:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:22:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:22:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:22:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:22:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:22:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:22:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:22:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:22:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:22:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:22:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:22:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:22:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:22:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:22:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:22:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:22:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:22:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:22:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:22:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:22:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:22:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:22:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:22:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:22:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:22:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:22:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:22:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:22:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:22:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:22:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:22:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:22:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:22:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:22:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:22:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:22:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:22:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:22:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:22:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:22:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:22:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:22:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:22:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:22:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:22:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:22:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:22:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:22:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:22:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:22:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:22:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:22:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:22:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:22:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:22:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:22:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:22:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:22:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:22:43,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:22:44,294 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:22:44,295 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:22:44,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:22:44 BoogieIcfgContainer [2018-11-28 13:22:44,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:22:44,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:22:44,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:22:44,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:22:44,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:22:43" (1/3) ... [2018-11-28 13:22:44,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ef9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:22:44, skipping insertion in model container [2018-11-28 13:22:44,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:43" (2/3) ... [2018-11-28 13:22:44,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ef9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:22:44, skipping insertion in model container [2018-11-28 13:22:44,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:22:44" (3/3) ... [2018-11-28 13:22:44,302 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63_true-unreach-call_false-termination.cil.c [2018-11-28 13:22:44,311 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:22:44,318 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:22:44,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:22:44,349 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:22:44,349 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:22:44,349 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:22:44,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:22:44,349 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:22:44,349 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:22:44,349 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:22:44,350 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:22:44,350 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:22:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-11-28 13:22:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:22:44,378 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:44,379 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] [2018-11-28 13:22:44,381 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:44,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:44,385 INFO L82 PathProgramCache]: Analyzing trace with hash 279334901, now seen corresponding path program 1 times [2018-11-28 13:22:44,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:44,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:44,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:44,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:44,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:44,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:22:44,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:22:44,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:22:44,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:22:44,598 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-11-28 13:22:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:44,628 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2018-11-28 13:22:44,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:22:44,629 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:22:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:44,638 INFO L225 Difference]: With dead ends: 318 [2018-11-28 13:22:44,638 INFO L226 Difference]: Without dead ends: 159 [2018-11-28 13:22:44,641 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 [2018-11-28 13:22:44,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-28 13:22:44,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-28 13:22:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-28 13:22:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-11-28 13:22:44,689 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 46 [2018-11-28 13:22:44,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:44,689 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-11-28 13:22:44,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:22:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-11-28 13:22:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:22:44,693 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:44,693 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] [2018-11-28 13:22:44,693 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:44,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:44,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1491406306, now seen corresponding path program 1 times [2018-11-28 13:22:44,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:44,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:44,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:44,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:44,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:44,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:22:44,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:22:44,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:22:44,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:22:44,812 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-11-28 13:22:44,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:44,835 INFO L93 Difference]: Finished difference Result 261 states and 309 transitions. [2018-11-28 13:22:44,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:22:44,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:22:44,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:44,838 INFO L225 Difference]: With dead ends: 261 [2018-11-28 13:22:44,838 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 13:22:44,839 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 [2018-11-28 13:22:44,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 13:22:44,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 13:22:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 13:22:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-11-28 13:22:44,853 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 47 [2018-11-28 13:22:44,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:44,854 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-11-28 13:22:44,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:22:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-11-28 13:22:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:22:44,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:44,856 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:44,856 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:44,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:44,856 INFO L82 PathProgramCache]: Analyzing trace with hash 2060660655, now seen corresponding path program 1 times [2018-11-28 13:22:44,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:44,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:44,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:44,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:44,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:44,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:22:44,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:22:44,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:22:44,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:22:44,964 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-11-28 13:22:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:45,441 INFO L93 Difference]: Finished difference Result 452 states and 549 transitions. [2018-11-28 13:22:45,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:22:45,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 13:22:45,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:45,445 INFO L225 Difference]: With dead ends: 452 [2018-11-28 13:22:45,446 INFO L226 Difference]: Without dead ends: 326 [2018-11-28 13:22:45,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:22:45,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-11-28 13:22:45,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 318. [2018-11-28 13:22:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-28 13:22:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 386 transitions. [2018-11-28 13:22:45,486 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 386 transitions. Word has length 51 [2018-11-28 13:22:45,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:45,487 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 386 transitions. [2018-11-28 13:22:45,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:22:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 386 transitions. [2018-11-28 13:22:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:22:45,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:45,489 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:45,490 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:45,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash 964062128, now seen corresponding path program 1 times [2018-11-28 13:22:45,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:45,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:45,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:45,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:45,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:45,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:45,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:22:45,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:22:45,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:22:45,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:22:45,616 INFO L87 Difference]: Start difference. First operand 318 states and 386 transitions. Second operand 10 states. [2018-11-28 13:22:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:46,065 INFO L93 Difference]: Finished difference Result 1152 states and 1500 transitions. [2018-11-28 13:22:46,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:22:46,065 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 13:22:46,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:46,071 INFO L225 Difference]: With dead ends: 1152 [2018-11-28 13:22:46,071 INFO L226 Difference]: Without dead ends: 858 [2018-11-28 13:22:46,073 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 [2018-11-28 13:22:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-28 13:22:46,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 846. [2018-11-28 13:22:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-11-28 13:22:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1066 transitions. [2018-11-28 13:22:46,129 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1066 transitions. Word has length 57 [2018-11-28 13:22:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:46,130 INFO L480 AbstractCegarLoop]: Abstraction has 846 states and 1066 transitions. [2018-11-28 13:22:46,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:22:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1066 transitions. [2018-11-28 13:22:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 13:22:46,133 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:46,133 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:46,133 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:46,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:46,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1818823606, now seen corresponding path program 1 times [2018-11-28 13:22:46,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:46,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:46,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:46,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:46,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:46,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:46,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:22:46,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:22:46,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:22:46,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:22:46,212 INFO L87 Difference]: Start difference. First operand 846 states and 1066 transitions. Second operand 4 states. [2018-11-28 13:22:46,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:46,567 INFO L93 Difference]: Finished difference Result 2116 states and 2869 transitions. [2018-11-28 13:22:46,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:22:46,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 13:22:46,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:46,574 INFO L225 Difference]: With dead ends: 2116 [2018-11-28 13:22:46,574 INFO L226 Difference]: Without dead ends: 1294 [2018-11-28 13:22:46,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:22:46,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2018-11-28 13:22:46,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1159. [2018-11-28 13:22:46,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2018-11-28 13:22:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1444 transitions. [2018-11-28 13:22:46,646 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1444 transitions. Word has length 61 [2018-11-28 13:22:46,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:46,646 INFO L480 AbstractCegarLoop]: Abstraction has 1159 states and 1444 transitions. [2018-11-28 13:22:46,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:22:46,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1444 transitions. [2018-11-28 13:22:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:22:46,653 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:46,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:46,653 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:46,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:46,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1689006961, now seen corresponding path program 1 times [2018-11-28 13:22:46,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:46,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:46,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:46,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:46,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 13:22:46,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:46,733 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/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 [2018-11-28 13:22:46,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:46,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:22:46,995 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:22:46,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 13:22:46,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:22:46,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:22:46,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:22:46,996 INFO L87 Difference]: Start difference. First operand 1159 states and 1444 transitions. Second operand 12 states. [2018-11-28 13:22:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:49,950 INFO L93 Difference]: Finished difference Result 2684 states and 3605 transitions. [2018-11-28 13:22:49,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 13:22:49,952 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 13:22:49,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:49,963 INFO L225 Difference]: With dead ends: 2684 [2018-11-28 13:22:49,963 INFO L226 Difference]: Without dead ends: 1833 [2018-11-28 13:22:49,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 13:22:49,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2018-11-28 13:22:50,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1627. [2018-11-28 13:22:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1627 states. [2018-11-28 13:22:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2053 transitions. [2018-11-28 13:22:50,084 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2053 transitions. Word has length 88 [2018-11-28 13:22:50,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:50,085 INFO L480 AbstractCegarLoop]: Abstraction has 1627 states and 2053 transitions. [2018-11-28 13:22:50,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:22:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2053 transitions. [2018-11-28 13:22:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 13:22:50,091 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:50,091 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] [2018-11-28 13:22:50,091 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:50,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:50,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1854788712, now seen corresponding path program 1 times [2018-11-28 13:22:50,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:50,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:50,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:50,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:50,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 13:22:50,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:50,204 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/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 [2018-11-28 13:22:50,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:50,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-28 13:22:50,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:22:50,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 13:22:50,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:22:50,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:22:50,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:22:50,415 INFO L87 Difference]: Start difference. First operand 1627 states and 2053 transitions. Second operand 6 states. [2018-11-28 13:22:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:50,510 INFO L93 Difference]: Finished difference Result 3286 states and 4388 transitions. [2018-11-28 13:22:50,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:22:50,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-28 13:22:50,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:50,519 INFO L225 Difference]: With dead ends: 3286 [2018-11-28 13:22:50,519 INFO L226 Difference]: Without dead ends: 1683 [2018-11-28 13:22:50,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 166 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:22:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2018-11-28 13:22:50,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1667. [2018-11-28 13:22:50,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2018-11-28 13:22:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2097 transitions. [2018-11-28 13:22:50,625 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2097 transitions. Word has length 168 [2018-11-28 13:22:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:50,625 INFO L480 AbstractCegarLoop]: Abstraction has 1667 states and 2097 transitions. [2018-11-28 13:22:50,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:22:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2097 transitions. [2018-11-28 13:22:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 13:22:50,631 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:50,631 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] [2018-11-28 13:22:50,631 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:50,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:50,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1522145574, now seen corresponding path program 1 times [2018-11-28 13:22:50,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:50,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:50,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:50,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:50,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 13:22:50,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:50,738 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/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 [2018-11-28 13:22:50,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:50,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-28 13:22:50,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:22:50,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 13:22:50,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:22:50,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:22:50,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:22:50,903 INFO L87 Difference]: Start difference. First operand 1667 states and 2097 transitions. Second operand 11 states. [2018-11-28 13:22:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:50,975 INFO L93 Difference]: Finished difference Result 3035 states and 3940 transitions. [2018-11-28 13:22:50,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:22:50,975 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2018-11-28 13:22:50,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:50,979 INFO L225 Difference]: With dead ends: 3035 [2018-11-28 13:22:50,979 INFO L226 Difference]: Without dead ends: 1392 [2018-11-28 13:22:50,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:22:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-11-28 13:22:51,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2018-11-28 13:22:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2018-11-28 13:22:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1753 transitions. [2018-11-28 13:22:51,033 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1753 transitions. Word has length 168 [2018-11-28 13:22:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:51,034 INFO L480 AbstractCegarLoop]: Abstraction has 1392 states and 1753 transitions. [2018-11-28 13:22:51,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:22:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1753 transitions. [2018-11-28 13:22:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 13:22:51,037 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:51,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:51,037 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:51,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash 525161727, now seen corresponding path program 1 times [2018-11-28 13:22:51,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:51,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:51,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:51,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:51,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 13:22:51,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:51,164 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/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 [2018-11-28 13:22:51,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:51,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:51,387 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:22:51,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 13:22:51,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:22:51,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:22:51,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:22:51,388 INFO L87 Difference]: Start difference. First operand 1392 states and 1753 transitions. Second operand 14 states. [2018-11-28 13:22:52,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:52,968 INFO L93 Difference]: Finished difference Result 2793 states and 3731 transitions. [2018-11-28 13:22:52,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:22:52,969 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2018-11-28 13:22:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:52,978 INFO L225 Difference]: With dead ends: 2793 [2018-11-28 13:22:52,978 INFO L226 Difference]: Without dead ends: 1590 [2018-11-28 13:22:52,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-28 13:22:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2018-11-28 13:22:53,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1278. [2018-11-28 13:22:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2018-11-28 13:22:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1605 transitions. [2018-11-28 13:22:53,094 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1605 transitions. Word has length 172 [2018-11-28 13:22:53,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:53,095 INFO L480 AbstractCegarLoop]: Abstraction has 1278 states and 1605 transitions. [2018-11-28 13:22:53,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:22:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1605 transitions. [2018-11-28 13:22:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-28 13:22:53,100 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:53,101 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:53,101 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:53,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:53,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1011338514, now seen corresponding path program 2 times [2018-11-28 13:22:53,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:53,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:53,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:53,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:53,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-28 13:22:53,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:53,246 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:22:53,255 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 13:22:53,384 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 13:22:53,384 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 13:22:53,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 13:22:53,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:22:53,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-28 13:22:53,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:22:53,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:22:53,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:22:53,570 INFO L87 Difference]: Start difference. First operand 1278 states and 1605 transitions. Second operand 14 states. [2018-11-28 13:22:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:55,155 INFO L93 Difference]: Finished difference Result 3423 states and 4533 transitions. [2018-11-28 13:22:55,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 13:22:55,156 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2018-11-28 13:22:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:55,165 INFO L225 Difference]: With dead ends: 3423 [2018-11-28 13:22:55,166 INFO L226 Difference]: Without dead ends: 2330 [2018-11-28 13:22:55,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-11-28 13:22:55,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2018-11-28 13:22:55,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2310. [2018-11-28 13:22:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2310 states. [2018-11-28 13:22:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 2859 transitions. [2018-11-28 13:22:55,283 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 2859 transitions. Word has length 241 [2018-11-28 13:22:55,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:55,283 INFO L480 AbstractCegarLoop]: Abstraction has 2310 states and 2859 transitions. [2018-11-28 13:22:55,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:22:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2859 transitions. [2018-11-28 13:22:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-28 13:22:55,289 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:55,289 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:55,289 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:55,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:55,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1022055532, now seen corresponding path program 1 times [2018-11-28 13:22:55,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:55,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:55,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:55,290 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:22:55,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-28 13:22:55,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:55,383 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:22:55,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:55,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-28 13:22:55,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:22:55,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 13:22:55,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:22:55,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:22:55,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:22:55,592 INFO L87 Difference]: Start difference. First operand 2310 states and 2859 transitions. Second operand 13 states. [2018-11-28 13:22:55,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:55,681 INFO L93 Difference]: Finished difference Result 3199 states and 3938 transitions. [2018-11-28 13:22:55,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:22:55,682 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2018-11-28 13:22:55,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:55,683 INFO L225 Difference]: With dead ends: 3199 [2018-11-28 13:22:55,683 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:22:55,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:22:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:22:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:22:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:22:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:22:55,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2018-11-28 13:22:55,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:55,691 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:22:55,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:22:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:22:55,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:22:55,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:22:55,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:55,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:22:56,903 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 30 [2018-11-28 13:22:57,728 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2018-11-28 13:22:58,655 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2018-11-28 13:22:58,655 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2018-11-28 13:22:58,655 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2018-11-28 13:22:58,655 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2018-11-28 13:22:58,655 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2018-11-28 13:22:58,655 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-28 13:22:58,655 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-28 13:22:58,655 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L451 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 486 508) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L444 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (or (and (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,656 INFO L444 ceAbstractionStarter]: At program point L498-1(line 498) the Hoare annotation is: (or (and (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 503) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 13:22:58,656 INFO L444 ceAbstractionStarter]: At program point L493(line 493) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,656 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 486 508) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L492-1(line 492) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (= processEnvironment__wrappee__methaneQuery_~tmp~6 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 933 947) no Hoare annotation was computed. [2018-11-28 13:22:58,657 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (and (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-28 13:22:58,657 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 933 947) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (not (= ~systemActive~0 0)) .cse0)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 933 947) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2018-11-28 13:22:58,658 INFO L451 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2018-11-28 13:22:58,658 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 473 482) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 473 482) no Hoare annotation was computed. [2018-11-28 13:22:58,658 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 473 482) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 839 849) the Hoare annotation is: true [2018-11-28 13:22:58,659 INFO L451 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 781 805) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L444 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 13:22:58,659 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 781 805) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 797) no Hoare annotation was computed. [2018-11-28 13:22:58,659 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 781 805) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,659 INFO L444 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L785(lines 785 802) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 668) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 658 671) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 658 671) the Hoare annotation is: true [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 658 671) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 949 1014) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 949 1014) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L444 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 985) no Hoare annotation was computed. [2018-11-28 13:22:58,660 INFO L448 ceAbstractionStarter]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2018-11-28 13:22:58,661 INFO L444 ceAbstractionStarter]: At program point L1004(lines 959 1006) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:22:58,661 INFO L444 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:22:58,661 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 975) no Hoare annotation was computed. [2018-11-28 13:22:58,661 INFO L448 ceAbstractionStarter]: For program point L969-1(lines 969 975) no Hoare annotation was computed. [2018-11-28 13:22:58,661 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-11-28 13:22:58,661 INFO L444 ceAbstractionStarter]: At program point L1007(lines 958 1008) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:22:58,661 INFO L444 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:22:58,661 INFO L448 ceAbstractionStarter]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2018-11-28 13:22:58,661 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 949 1014) no Hoare annotation was computed. [2018-11-28 13:22:58,662 INFO L444 ceAbstractionStarter]: At program point L995-1(lines 989 1002) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:22:58,662 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 806 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 13:22:58,662 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-28 13:22:58,662 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-28 13:22:58,662 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 672 680) no Hoare annotation was computed. [2018-11-28 13:22:58,662 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 672 680) the Hoare annotation is: true [2018-11-28 13:22:58,662 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 672 680) no Hoare annotation was computed. [2018-11-28 13:22:58,662 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:22:58,662 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)) [2018-11-28 13:22:58,662 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L444 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 13:22:58,663 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 814 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 13:22:58,663 INFO L448 ceAbstractionStarter]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 827) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L444 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 13:22:58,663 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2018-11-28 13:22:58,663 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 649 657) the Hoare annotation is: true [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 649 657) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 649 657) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point L609-1(lines 605 616) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 605 616) the Hoare annotation is: true [2018-11-28 13:22:58,664 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 605 616) no Hoare annotation was computed. [2018-11-28 13:22:58,664 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 617 625) the Hoare annotation is: true [2018-11-28 13:22:58,665 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 617 625) no Hoare annotation was computed. [2018-11-28 13:22:58,665 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 617 625) no Hoare annotation was computed. [2018-11-28 13:22:58,665 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-11-28 13:22:58,665 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-28 13:22:58,665 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-11-28 13:22:58,665 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-28 13:22:58,665 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-28 13:22:58,665 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0))) (let ((.cse1 (not .cse5)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (= 0 ~pumpRunning~0) .cse1 .cse2 .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 .cse6 (let ((.cse7 (+ ~waterLevel~0 1))) (and (<= .cse7 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse7) .cse3))) (or .cse4 .cse0 .cse6))))) [2018-11-28 13:22:58,666 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 0)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (and .cse1 (not .cse3) .cse6))) (and (let ((.cse5 (+ ~waterLevel~0 1))) (let ((.cse0 (<= .cse5 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| .cse5))) (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (< |old(~waterLevel~0)| 2) (and .cse0 (= 0 ~pumpRunning~0) .cse2)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (< |old(~waterLevel~0)| 1) (and .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)))))) [2018-11-28 13:22:58,666 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-11-28 13:22:58,666 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-28 13:22:58,666 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-28 13:22:58,666 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-28 13:22:58,666 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-28 13:22:58,666 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-28 13:22:58,666 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-28 13:22:58,666 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-28 13:22:58,666 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-28 13:22:58,667 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 13:22:58,667 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 581 592) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-28 13:22:58,667 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 581 592) no Hoare annotation was computed. [2018-11-28 13:22:58,667 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-11-28 13:22:58,667 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-28 13:22:58,667 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-28 13:22:58,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:22:58,667 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 13:22:58,667 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:22:58,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:22:58,668 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-28 13:22:58,668 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:22:58,668 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:22:58,668 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-28 13:22:58,668 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-28 13:22:58,668 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-28 13:22:58,668 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,668 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-28 13:22:58,668 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse2) (< ~waterLevel~0 2) .cse1))) [2018-11-28 13:22:58,668 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 13:22:58,669 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 593 604) no Hoare annotation was computed. [2018-11-28 13:22:58,669 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-11-28 13:22:58,669 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 13:22:58,669 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 682 689) no Hoare annotation was computed. [2018-11-28 13:22:58,669 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2018-11-28 13:22:58,669 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 682 689) the Hoare annotation is: true [2018-11-28 13:22:58,669 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 682 689) no Hoare annotation was computed. [2018-11-28 13:22:58,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:22:58 BoogieIcfgContainer [2018-11-28 13:22:58,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:22:58,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:22:58,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:22:58,681 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:22:58,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:22:44" (3/4) ... [2018-11-28 13:22:58,685 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:22:58,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:22:58,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:22:58,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:22:58,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:22:58,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:22:58,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:22:58,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:22:58,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:22:58,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:22:58,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:22:58,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 13:22:58,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:22:58,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 13:22:58,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:22:58,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:22:58,704 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:22:58,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 13:22:58,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:22:58,771 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5cba138-1e51-4e54-a381-ee83d60585a4/bin-2019/uautomizer/witness.graphml [2018-11-28 13:22:58,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:22:58,772 INFO L168 Benchmark]: Toolchain (without parser) took 15451.32 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.2 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -291.0 MB). Peak memory consumption was 134.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:22:58,772 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:22:58,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:22:58,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:22:58,773 INFO L168 Benchmark]: Boogie Preprocessor took 35.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:22:58,773 INFO L168 Benchmark]: RCFGBuilder took 507.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:22:58,773 INFO L168 Benchmark]: TraceAbstraction took 14384.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 305.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -201.3 MB). Peak memory consumption was 538.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:22:58,774 INFO L168 Benchmark]: Witness Printer took 90.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:22:58,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 507.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14384.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 305.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -201.3 MB). Peak memory consumption was 538.4 MB. Max. memory is 11.5 GB. * Witness Printer took 90.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: 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: 958]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2223 SDtfs, 3187 SDslu, 7207 SDs, 0 SdLazy, 7596 SolverSat, 1983 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1278 GetRequests, 1116 SyntacticMatches, 5 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2310occurred in iteration=10, 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: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 709 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4845 PreInvPairs, 4990 NumberOfFragments, 1173 HoareAnnotationTreeSize, 4845 FomulaSimplifications, 11277 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 15916 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2418 NumberOfCodeBlocks, 2418 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2401 ConstructedInterpolants, 0 QuantifiedInterpolants, 589560 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5568 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 812/882 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...