./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_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_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 b6539c3f80a02f7679497281344dc3da1a82da6c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:43:26,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:43:26,939 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:43:26,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:43:26,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:43:26,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:43:26,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:43:26,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:43:26,951 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:43:26,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:43:26,952 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:43:26,952 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:43:26,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:43:26,953 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:43:26,954 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:43:26,954 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:43:26,955 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:43:26,956 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:43:26,957 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:43:26,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:43:26,958 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:43:26,959 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:43:26,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:43:26,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:43:26,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:43:26,961 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:43:26,962 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:43:26,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:43:26,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:43:26,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:43:26,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:43:26,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:43:26,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:43:26,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:43:26,965 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:43:26,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:43:26,966 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:43:26,973 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:43:26,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:43:26,974 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:43:26,974 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:43:26,975 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:43:26,975 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:43:26,975 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:43:26,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:43:26,975 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:43:26,976 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:43:26,977 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:43:26,977 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:43:26,977 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:43:26,977 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:43:26,977 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:43:26,977 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:43:26,978 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:43:26,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:43:26,978 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:43:26,978 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:43:26,978 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:43:26,978 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:43:26,979 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:43:26,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:43:26,979 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_cb33860c-6a49-4112-ab70-99917df6bffb/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-11-28 11:43:27,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:43:27,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:43:27,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:43:27,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:43:27,017 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:43:27,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-28 11:43:27,060 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/data/8713c4529/4ad246f6148148bc8e58711df976372c/FLAG1475aa1c4 [2018-11-28 11:43:27,490 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:43:27,490 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-28 11:43:27,497 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/data/8713c4529/4ad246f6148148bc8e58711df976372c/FLAG1475aa1c4 [2018-11-28 11:43:27,506 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/data/8713c4529/4ad246f6148148bc8e58711df976372c [2018-11-28 11:43:27,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:43:27,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:43:27,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:43:27,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:43:27,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:43:27,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d208f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27, skipping insertion in model container [2018-11-28 11:43:27,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:43:27,546 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:43:27,723 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:43:27,773 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:43:27,829 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:43:27,849 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:43:27,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27 WrapperNode [2018-11-28 11:43:27,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:43:27,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:43:27,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:43:27,850 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:43:27,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:43:27,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:43:27,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:43:27,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:43:27,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... [2018-11-28 11:43:27,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:43:27,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:43:27,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:43:27,896 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:43:27,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 11:43:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:43:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:43:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:43:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:43:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:43:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:43:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:43:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:43:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:43:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:43:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:43:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:43:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:43:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:43:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:43:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:43:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:43:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:43:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:43:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:43:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:43:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:43:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:43:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:43:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:43:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:43:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:43:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:43:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:43:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:43:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:43:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:43:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:43:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:43:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:43:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:43:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:43:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:43:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:43:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:43:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:43:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:43:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:43:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:43:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:43:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:43:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:43:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:43:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:43:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:43:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:43:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:43:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:43:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:43:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:43:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:43:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:43:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:43:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:43:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:43:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:43:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:43:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:43:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:43:28,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:43:28,353 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:43:28,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:28 BoogieIcfgContainer [2018-11-28 11:43:28,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:43:28,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:43:28,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:43:28,355 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:43:28,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:43:27" (1/3) ... [2018-11-28 11:43:28,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5678c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:28, skipping insertion in model container [2018-11-28 11:43:28,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:27" (2/3) ... [2018-11-28 11:43:28,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5678c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:28, skipping insertion in model container [2018-11-28 11:43:28,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:28" (3/3) ... [2018-11-28 11:43:28,357 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-28 11:43:28,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:43:28,369 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:43:28,379 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:43:28,400 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:43:28,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:43:28,400 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:43:28,400 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:43:28,400 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:43:28,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:43:28,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:43:28,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:43:28,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:43:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-28 11:43:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:43:28,422 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:28,422 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 11:43:28,424 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:28,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:28,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-11-28 11:43:28,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:28,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:28,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:28,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:28,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:28,610 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 11:43:28,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:28,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:43:28,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:43:28,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:43:28,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:43:28,624 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-28 11:43:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:28,656 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-11-28 11:43:28,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:43:28,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 11:43:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:28,665 INFO L225 Difference]: With dead ends: 294 [2018-11-28 11:43:28,666 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 11:43:28,668 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 11:43:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 11:43:28,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 11:43:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 11:43:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-28 11:43:28,710 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-11-28 11:43:28,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:28,710 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-28 11:43:28,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:43:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-28 11:43:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:43:28,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:28,713 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:28,714 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:28,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:28,714 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-11-28 11:43:28,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:28,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:28,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:28,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:28,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:28,810 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 11:43:28,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:28,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:43:28,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:43:28,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:43:28,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:43:28,813 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-28 11:43:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:28,836 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-11-28 11:43:28,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:43:28,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:43:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:28,838 INFO L225 Difference]: With dead ends: 239 [2018-11-28 11:43:28,838 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 11:43:28,839 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 11:43:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 11:43:28,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 11:43:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 11:43:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-11-28 11:43:28,851 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-11-28 11:43:28,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:28,851 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-11-28 11:43:28,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:43:28,852 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-11-28 11:43:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:43:28,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:28,853 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 11:43:28,853 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:28,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:28,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-11-28 11:43:28,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:28,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:28,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:28,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:28,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:28,967 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 11:43:28,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:28,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:43:28,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:43:28,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:43:28,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:43:28,969 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-11-28 11:43:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:29,252 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-11-28 11:43:29,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:43:29,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 11:43:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:29,254 INFO L225 Difference]: With dead ends: 252 [2018-11-28 11:43:29,254 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 11:43:29,255 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 11:43:29,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 11:43:29,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 11:43:29,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 11:43:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-11-28 11:43:29,265 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-11-28 11:43:29,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:29,266 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-11-28 11:43:29,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:43:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-11-28 11:43:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 11:43:29,268 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:29,268 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:29,268 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:29,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:29,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-11-28 11:43:29,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:29,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:29,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:29,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:29,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:29,358 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 11:43:29,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:29,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:43:29,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:43:29,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:43:29,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:43:29,360 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-11-28 11:43:29,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:29,740 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-11-28 11:43:29,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:43:29,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 11:43:29,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:29,742 INFO L225 Difference]: With dead ends: 355 [2018-11-28 11:43:29,743 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 11:43:29,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:43:29,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 11:43:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-11-28 11:43:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-28 11:43:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-11-28 11:43:29,763 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-11-28 11:43:29,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:29,763 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-11-28 11:43:29,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:43:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-11-28 11:43:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 11:43:29,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:29,765 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:29,766 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:29,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:29,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-11-28 11:43:29,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:29,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:29,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:29,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:29,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:29,851 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 11:43:29,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:29,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:43:29,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:43:29,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:43:29,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:43:29,852 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-11-28 11:43:30,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:30,048 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-11-28 11:43:30,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:43:30,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-11-28 11:43:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:30,057 INFO L225 Difference]: With dead ends: 751 [2018-11-28 11:43:30,057 INFO L226 Difference]: Without dead ends: 555 [2018-11-28 11:43:30,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:43:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-11-28 11:43:30,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-11-28 11:43:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-28 11:43:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-11-28 11:43:30,094 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-11-28 11:43:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:30,094 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-11-28 11:43:30,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:43:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-11-28 11:43:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 11:43:30,095 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:30,096 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:30,096 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:30,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:30,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-11-28 11:43:30,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:30,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:30,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:30,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:30,167 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 11:43:30,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:30,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:43:30,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:43:30,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:43:30,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:43:30,168 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-11-28 11:43:30,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:30,290 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-11-28 11:43:30,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:43:30,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 11:43:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:30,295 INFO L225 Difference]: With dead ends: 1530 [2018-11-28 11:43:30,295 INFO L226 Difference]: Without dead ends: 1015 [2018-11-28 11:43:30,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:43:30,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-11-28 11:43:30,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-11-28 11:43:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-11-28 11:43:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-11-28 11:43:30,341 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-11-28 11:43:30,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:30,341 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-11-28 11:43:30,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:43:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-11-28 11:43:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:43:30,343 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:30,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:30,343 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:30,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:30,344 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-11-28 11:43:30,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:30,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:30,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:30,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:30,413 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 11:43:30,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:30,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:43:30,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:43:30,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:43:30,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:43:30,414 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-11-28 11:43:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:30,781 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-11-28 11:43:30,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:43:30,782 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-28 11:43:30,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:30,785 INFO L225 Difference]: With dead ends: 2059 [2018-11-28 11:43:30,785 INFO L226 Difference]: Without dead ends: 1088 [2018-11-28 11:43:30,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:43:30,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-11-28 11:43:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-11-28 11:43:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-11-28 11:43:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-11-28 11:43:30,825 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-11-28 11:43:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:30,825 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-11-28 11:43:30,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:43:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-11-28 11:43:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 11:43:30,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:30,827 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:30,828 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:30,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:30,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-11-28 11:43:30,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:30,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:30,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:30,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:43:30,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:30,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:43:30,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:43:30,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:43:30,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:43:30,900 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-11-28 11:43:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:30,941 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-11-28 11:43:30,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:43:30,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-28 11:43:30,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:30,945 INFO L225 Difference]: With dead ends: 2006 [2018-11-28 11:43:30,945 INFO L226 Difference]: Without dead ends: 1038 [2018-11-28 11:43:30,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:43:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-11-28 11:43:30,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-11-28 11:43:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-11-28 11:43:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-11-28 11:43:30,980 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-11-28 11:43:30,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:30,980 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-11-28 11:43:30,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:43:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-11-28 11:43:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 11:43:30,982 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:30,982 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:30,982 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:30,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:30,983 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-11-28 11:43:30,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:30,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:30,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:30,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:43:31,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:31,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:43:31,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:43:31,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:43:31,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:43:31,069 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-11-28 11:43:31,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:31,152 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-11-28 11:43:31,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:43:31,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-28 11:43:31,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:31,157 INFO L225 Difference]: With dead ends: 1822 [2018-11-28 11:43:31,157 INFO L226 Difference]: Without dead ends: 824 [2018-11-28 11:43:31,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:43:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-11-28 11:43:31,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-11-28 11:43:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-11-28 11:43:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-11-28 11:43:31,208 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-11-28 11:43:31,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:31,208 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-11-28 11:43:31,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:43:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-11-28 11:43:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 11:43:31,210 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:31,210 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:31,211 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:31,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:31,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-11-28 11:43:31,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:31,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:31,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:31,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:31,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:43:31,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:43:31,354 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 11:43:31,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:31,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:43:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:31,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:43:31,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:43:31,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:43:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:43:31,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:43:31,649 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 19 states. [2018-11-28 11:43:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:32,630 INFO L93 Difference]: Finished difference Result 1589 states and 1865 transitions. [2018-11-28 11:43:32,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:43:32,631 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-28 11:43:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:32,635 INFO L225 Difference]: With dead ends: 1589 [2018-11-28 11:43:32,635 INFO L226 Difference]: Without dead ends: 793 [2018-11-28 11:43:32,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:43:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-28 11:43:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2018-11-28 11:43:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-11-28 11:43:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 906 transitions. [2018-11-28 11:43:32,679 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 906 transitions. Word has length 108 [2018-11-28 11:43:32,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:32,680 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 906 transitions. [2018-11-28 11:43:32,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:43:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 906 transitions. [2018-11-28 11:43:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-28 11:43:32,683 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:32,683 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:43:32,683 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:32,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:32,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2128918407, now seen corresponding path program 1 times [2018-11-28 11:43:32,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:32,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:32,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:32,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:32,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 11:43:32,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:43:32,756 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 11:43:32,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:32,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:43:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:43:32,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:43:32,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 11:43:32,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:43:32,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:43:32,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:43:32,955 INFO L87 Difference]: Start difference. First operand 793 states and 906 transitions. Second operand 6 states. [2018-11-28 11:43:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:33,539 INFO L93 Difference]: Finished difference Result 1719 states and 2060 transitions. [2018-11-28 11:43:33,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:43:33,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-28 11:43:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:33,544 INFO L225 Difference]: With dead ends: 1719 [2018-11-28 11:43:33,544 INFO L226 Difference]: Without dead ends: 1082 [2018-11-28 11:43:33,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:43:33,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2018-11-28 11:43:33,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 975. [2018-11-28 11:43:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2018-11-28 11:43:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1132 transitions. [2018-11-28 11:43:33,600 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1132 transitions. Word has length 166 [2018-11-28 11:43:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:33,600 INFO L480 AbstractCegarLoop]: Abstraction has 975 states and 1132 transitions. [2018-11-28 11:43:33,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:43:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1132 transitions. [2018-11-28 11:43:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 11:43:33,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:33,604 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:33,604 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:33,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:33,604 INFO L82 PathProgramCache]: Analyzing trace with hash -525352255, now seen corresponding path program 1 times [2018-11-28 11:43:33,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:33,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:33,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:33,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:33,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 11:43:33,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:33,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:43:33,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:43:33,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:43:33,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:43:33,663 INFO L87 Difference]: Start difference. First operand 975 states and 1132 transitions. Second operand 3 states. [2018-11-28 11:43:33,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:33,723 INFO L93 Difference]: Finished difference Result 1574 states and 1868 transitions. [2018-11-28 11:43:33,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:43:33,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-28 11:43:33,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:33,730 INFO L225 Difference]: With dead ends: 1574 [2018-11-28 11:43:33,730 INFO L226 Difference]: Without dead ends: 1571 [2018-11-28 11:43:33,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:43:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2018-11-28 11:43:33,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1134. [2018-11-28 11:43:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2018-11-28 11:43:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1343 transitions. [2018-11-28 11:43:33,801 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1343 transitions. Word has length 162 [2018-11-28 11:43:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:33,802 INFO L480 AbstractCegarLoop]: Abstraction has 1134 states and 1343 transitions. [2018-11-28 11:43:33,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:43:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1343 transitions. [2018-11-28 11:43:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-28 11:43:33,806 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:33,806 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:43:33,806 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:33,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:33,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1448990618, now seen corresponding path program 1 times [2018-11-28 11:43:33,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:33,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:33,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:33,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:33,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 12 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-28 11:43:33,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:43:33,903 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 11:43:33,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:34,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:43:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 92 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-28 11:43:34,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:43:34,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-28 11:43:34,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 11:43:34,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 11:43:34,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:43:34,180 INFO L87 Difference]: Start difference. First operand 1134 states and 1343 transitions. Second operand 14 states. [2018-11-28 11:43:35,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:35,737 INFO L93 Difference]: Finished difference Result 3261 states and 4448 transitions. [2018-11-28 11:43:35,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 11:43:35,738 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 227 [2018-11-28 11:43:35,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:35,748 INFO L225 Difference]: With dead ends: 3261 [2018-11-28 11:43:35,748 INFO L226 Difference]: Without dead ends: 2287 [2018-11-28 11:43:35,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2018-11-28 11:43:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2018-11-28 11:43:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 1778. [2018-11-28 11:43:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1778 states. [2018-11-28 11:43:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2104 transitions. [2018-11-28 11:43:35,871 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2104 transitions. Word has length 227 [2018-11-28 11:43:35,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:35,872 INFO L480 AbstractCegarLoop]: Abstraction has 1778 states and 2104 transitions. [2018-11-28 11:43:35,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 11:43:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2104 transitions. [2018-11-28 11:43:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-28 11:43:35,879 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:35,879 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:43:35,879 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:35,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:35,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1244230116, now seen corresponding path program 1 times [2018-11-28 11:43:35,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:35,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:35,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:35,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:35,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-28 11:43:35,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:43:35,969 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 11:43:35,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:36,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:43:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-28 11:43:36,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:43:36,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 11:43:36,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:43:36,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:43:36,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:43:36,200 INFO L87 Difference]: Start difference. First operand 1778 states and 2104 transitions. Second operand 13 states. [2018-11-28 11:43:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:36,310 INFO L93 Difference]: Finished difference Result 3090 states and 3668 transitions. [2018-11-28 11:43:36,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:43:36,311 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 227 [2018-11-28 11:43:36,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:36,318 INFO L225 Difference]: With dead ends: 3090 [2018-11-28 11:43:36,318 INFO L226 Difference]: Without dead ends: 1650 [2018-11-28 11:43:36,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 226 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 11:43:36,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2018-11-28 11:43:36,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1638. [2018-11-28 11:43:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2018-11-28 11:43:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 1898 transitions. [2018-11-28 11:43:36,431 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 1898 transitions. Word has length 227 [2018-11-28 11:43:36,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:36,431 INFO L480 AbstractCegarLoop]: Abstraction has 1638 states and 1898 transitions. [2018-11-28 11:43:36,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:43:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1898 transitions. [2018-11-28 11:43:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-28 11:43:36,438 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:36,439 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:36,439 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:36,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:36,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1950315160, now seen corresponding path program 1 times [2018-11-28 11:43:36,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:36,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:36,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:36,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:36,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-28 11:43:36,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:43:36,605 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/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 11:43:36,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:36,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:43:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 89 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 11:43:36,826 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:43:36,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-11-28 11:43:36,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:43:36,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:43:36,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:43:36,827 INFO L87 Difference]: Start difference. First operand 1638 states and 1898 transitions. Second operand 13 states. [2018-11-28 11:43:37,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:37,689 INFO L93 Difference]: Finished difference Result 2180 states and 2539 transitions. [2018-11-28 11:43:37,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 11:43:37,690 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2018-11-28 11:43:37,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:37,691 INFO L225 Difference]: With dead ends: 2180 [2018-11-28 11:43:37,691 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:43:37,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2018-11-28 11:43:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:43:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:43:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:43:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:43:37,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-11-28 11:43:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:37,694 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:43:37,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:43:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:43:37,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:43:37,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:43:37,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:37,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:43:38,974 WARN L180 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2018-11-28 11:43:39,296 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2018-11-28 11:43:39,866 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-11-28 11:43:40,170 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2018-11-28 11:43:40,327 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2018-11-28 11:43:40,483 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2018-11-28 11:43:40,853 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2018-11-28 11:43:41,009 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-11-28 11:43:41,114 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2018-11-28 11:43:41,291 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2018-11-28 11:43:41,545 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2018-11-28 11:43:41,931 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-11-28 11:43:42,139 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2018-11-28 11:43:42,348 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2018-11-28 11:43:42,533 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-11-28 11:43:42,533 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,534 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-11-28 11:43:42,534 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,534 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,534 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-11-28 11:43:42,535 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-11-28 11:43:42,535 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,535 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-28 11:43:42,536 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2 (or .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse5 (or .cse0 .cse11 .cse4)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (or .cse11 .cse4 .cse9)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse2 (or .cse3 .cse4 .cse9)) (or .cse5 .cse1 .cse6 .cse2) (or .cse1 .cse10 .cse2 .cse6) (or .cse6 .cse10 .cse7 .cse8)))) [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 (or .cse5 .cse6 .cse2 .cse3)) (or (or .cse7 .cse5 .cse2) .cse0 .cse1) (or .cse4 (or .cse7 .cse5 .cse6 .cse2)) (or .cse7 .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:43:42,536 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= processEnvironment_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)) (or .cse0 .cse8 .cse4 (or .cse2 .cse3)) (or .cse8 .cse7 .cse0 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-28 11:43:42,536 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse8 .cse9 .cse3)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4)) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse1 .cse0 .cse2) (or .cse0 (or .cse9 .cse3 .cse4) .cse6 .cse7)))) [2018-11-28 11:43:42,537 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)) (or .cse8 .cse0 .cse4 (or .cse2 .cse3)) (or .cse8 .cse7 .cse0 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-28 11:43:42,537 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse5 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse7 .cse3 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse3 .cse4 .cse6))) [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse5 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse7 .cse3 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse3 .cse4 .cse6))) [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse7 .cse8 .cse9 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse3 .cse5 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse9 .cse3 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-11-28 11:43:42,537 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse2 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse5 .cse6 .cse7 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse7 .cse2 .cse3 .cse4))) [2018-11-28 11:43:42,538 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse3 .cse4))) [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:43:42,538 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)))) [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-28 11:43:42,538 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-28 11:43:42,538 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-28 11:43:42,539 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 (or .cse5 .cse1 .cse2) .cse6) (or (or .cse7 .cse4 .cse5 .cse1) .cse6) (or .cse0 (or .cse7 .cse5 .cse3 .cse1)))) [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 2 ~waterLevel~0) (or .cse0 .cse1) (< ~waterLevel~0 2)) (or (< 1 ~waterLevel~0) (or .cse2 .cse0 .cse1) (< ~waterLevel~0 1)) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (= 0 ~methAndRunningLastTime~0) .cse0 (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:43:42,539 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 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3)) (or .cse0 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4)))) [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4)))) [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-28 11:43:42,539 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse9 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (< ~waterLevel~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse3 .cse4 .cse5) (or .cse9 .cse7 .cse10 .cse1 .cse2 .cse3 .cse4) (or .cse9 .cse6 .cse7 .cse8 .cse10 .cse3 .cse4))) [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-28 11:43:42,540 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-28 11:43:42,540 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= 0 ~methAndRunningLastTime~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse15 .cse10 .cse14)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= 0 ~pumpRunning~0) .cse15 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 (or .cse1 .cse3) .cse12) (or .cse4 (or .cse13 .cse0 .cse1 .cse2) .cse5) (or .cse13 .cse6 .cse11 .cse12 .cse1 (and .cse7 .cse8 .cse9 .cse14 .cse10) .cse5)))) [2018-11-28 11:43:42,541 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= ~methaneLevelCritical~0 1))) (let ((.cse11 (<= ~waterLevel~0 1)) (.cse12 (<= 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not .cse15)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse10 .cse4 .cse15 .cse5)) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or (or .cse0 .cse1 .cse6 .cse3) .cse2 .cse7) (or .cse8 .cse9 (and .cse10 .cse11 .cse12) .cse13 .cse14 .cse1 .cse2) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse11 .cse12) .cse4 .cse13 (or .cse1 .cse3) .cse14) (or (and .cse4 .cse7 .cse5) (or .cse8 .cse0 .cse1 .cse6) .cse2) (or .cse8 .cse0 .cse9 .cse13 .cse14 .cse1 .cse2)))) [2018-11-28 11:43:42,541 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (or .cse7 (or .cse3 .cse5) .cse8 (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10)) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse7 (and .cse9 (= 0 ~methAndRunningLastTime~0) .cse10) .cse8 .cse3 .cse4))) [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse1 (and .cse9 .cse8 .cse10)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8) (or (and .cse9 .cse10) .cse2 (or .cse4 .cse7) .cse3) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse1 (< |old(~waterLevel~0)| 1) .cse4 .cse5 .cse7) (or (and .cse9 .cse10 .cse8) (or .cse0 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) .cse5)))) [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 11:43:42,541 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-28 11:43:42,542 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-28 11:43:42,542 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:43:42,542 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 11:43:42,542 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:43:42,542 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:43:42,542 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse4 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6) (or .cse4 .cse0 .cse2 .cse3) (or .cse2 .cse1 .cse5 .cse6)))) [2018-11-28 11:43:42,542 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (or .cse3 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (or .cse2 .cse3 .cse5) .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse0) (or .cse0 .cse8 .cse1 .cse4)))) [2018-11-28 11:43:42,542 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (or .cse4 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5) .cse0 .cse2) (or .cse6 .cse7 (or .cse3 .cse4 .cse8 .cse5)) (or .cse6 .cse1 .cse7 .cse8)))) [2018-11-28 11:43:42,542 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-28 11:43:42,542 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (or .cse3 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (or .cse2 .cse3 .cse5) .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse0) (or .cse0 .cse8 .cse1 .cse4)))) [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)))) [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse7 (or .cse4 .cse6) .cse8) (or .cse9 .cse2 .cse7 .cse8 .cse4 .cse5) (or .cse9 .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 11:43:42,543 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 11:43:42,544 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse7 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse5 .cse0 .cse7 .cse2 .cse3) (or .cse6 .cse8 .cse5 .cse9 .cse7 .cse3) (or .cse8 .cse5 .cse9 .cse7 .cse3 .cse4)))) [2018-11-28 11:43:42,544 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-28 11:43:42,544 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-28 11:43:42,544 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-11-28 11:43:42,544 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-28 11:43:42,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:43:42 BoogieIcfgContainer [2018-11-28 11:43:42,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:43:42,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:43:42,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:43:42,559 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:43:42,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:28" (3/4) ... [2018-11-28 11:43:42,567 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:43:42,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:43:42,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:43:42,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:43:42,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:43:42,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:43:42,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:43:42,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:43:42,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:43:42,584 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 11:43:42,584 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:43:42,584 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:43:42,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:43:42,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:43:42,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:43:42,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-28 11:43:42,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:43:42,644 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb33860c-6a49-4112-ab70-99917df6bffb/bin-2019/uautomizer/witness.graphml [2018-11-28 11:43:42,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:43:42,645 INFO L168 Benchmark]: Toolchain (without parser) took 15136.94 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 547.9 MB). Free memory was 950.0 MB in the beginning and 964.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 533.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:42,645 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:42,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:42,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:42,646 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:42,646 INFO L168 Benchmark]: RCFGBuilder took 457.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:42,646 INFO L168 Benchmark]: TraceAbstraction took 14204.82 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 401.1 MB). Free memory was 1.1 GB in the beginning and 964.4 MB in the end (delta: 113.3 MB). Peak memory consumption was 670.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:42,646 INFO L168 Benchmark]: Witness Printer took 85.55 ms. Allocated memory is still 1.6 GB. Free memory was 964.4 MB in the beginning and 964.1 MB in the end (delta: 358.9 kB). Peak memory consumption was 358.9 kB. Max. memory is 11.5 GB. [2018-11-28 11:43:42,648 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 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 457.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14204.82 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 401.1 MB). Free memory was 1.1 GB in the beginning and 964.4 MB in the end (delta: 113.3 MB). Peak memory consumption was 670.4 MB. Max. memory is 11.5 GB. * Witness Printer took 85.55 ms. Allocated memory is still 1.6 GB. Free memory was 964.4 MB in the beginning and 964.1 MB in the end (delta: 358.9 kB). Peak memory consumption was 358.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: ((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 14.1s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2944 SDtfs, 2862 SDslu, 8011 SDs, 0 SdLazy, 5896 SolverSat, 1375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1156 GetRequests, 1009 SyntacticMatches, 4 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1778occurred in iteration=13, 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: 0.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 1216 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4036 PreInvPairs, 4149 NumberOfFragments, 3596 HoareAnnotationTreeSize, 4036 FomulaSimplifications, 18321 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 18327 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2758 NumberOfCodeBlocks, 2758 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2738 ConstructedInterpolants, 0 QuantifiedInterpolants, 681878 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4965 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 822/909 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...