./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 19:26:39,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:26:39,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:26:39,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:26:39,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:26:39,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:26:39,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:26:39,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:26:39,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:26:39,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:26:39,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:26:39,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:26:39,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:26:39,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:26:39,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:26:39,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:26:39,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:26:39,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:26:39,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:26:39,961 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:26:39,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:26:39,962 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:26:39,963 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:26:39,963 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:26:39,963 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:26:39,964 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:26:39,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:26:39,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:26:39,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:26:39,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:26:39,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:26:39,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:26:39,967 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:26:39,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:26:39,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:26:39,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:26:39,968 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 19:26:39,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:26:39,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:26:39,975 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:26:39,976 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:26:39,976 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 19:26:39,976 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 19:26:39,976 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 19:26:39,976 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:26:39,977 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:26:39,978 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:26:39,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:26:39,979 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:26:39,979 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:26:39,979 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:26:39,979 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 19:26:39,979 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:26:39,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 19:26:39,979 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_2e5057c2-99bb-48a4-b891-47eadc72f375/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-12-02 19:26:39,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:26:40,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:26:40,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:26:40,006 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:26:40,007 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:26:40,007 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-02 19:26:40,042 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/data/6cea6ddf6/e36257c57b7844e19af711b67b2d74e2/FLAGec1fa0039 [2018-12-02 19:26:40,513 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:26:40,513 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-02 19:26:40,520 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/data/6cea6ddf6/e36257c57b7844e19af711b67b2d74e2/FLAGec1fa0039 [2018-12-02 19:26:41,027 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/data/6cea6ddf6/e36257c57b7844e19af711b67b2d74e2 [2018-12-02 19:26:41,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:26:41,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:26:41,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:26:41,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:26:41,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:26:41,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa8bae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41, skipping insertion in model container [2018-12-02 19:26:41,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:26:41,059 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:26:41,203 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:26:41,243 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:26:41,301 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:26:41,318 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:26:41,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41 WrapperNode [2018-12-02 19:26:41,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:26:41,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:26:41,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:26:41,319 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:26:41,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:26:41,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:26:41,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:26:41,348 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:26:41,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... [2018-12-02 19:26:41,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:26:41,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:26:41,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:26:41,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:26:41,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/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 [2018-12-02 19:26:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 19:26:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 19:26:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:26:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:26:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:26:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 19:26:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 19:26:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 19:26:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 19:26:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 19:26:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 19:26:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 19:26:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 19:26:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 19:26:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 19:26:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 19:26:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 19:26:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 19:26:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 19:26:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 19:26:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 19:26:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 19:26:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 19:26:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 19:26:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 19:26:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 19:26:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 19:26:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 19:26:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 19:26:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 19:26:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 19:26:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 19:26:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 19:26:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 19:26:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 19:26:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 19:26:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 19:26:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 19:26:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 19:26:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 19:26:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:26:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:26:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 19:26:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 19:26:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 19:26:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 19:26:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 19:26:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 19:26:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:26:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:26:41,742 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:26:41,742 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 19:26:41,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:26:41 BoogieIcfgContainer [2018-12-02 19:26:41,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:26:41,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:26:41,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:26:41,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:26:41,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:26:41" (1/3) ... [2018-12-02 19:26:41,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b82b6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:26:41, skipping insertion in model container [2018-12-02 19:26:41,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:26:41" (2/3) ... [2018-12-02 19:26:41,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b82b6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:26:41, skipping insertion in model container [2018-12-02 19:26:41,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:26:41" (3/3) ... [2018-12-02 19:26:41,747 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-02 19:26:41,753 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:26:41,757 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:26:41,766 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:26:41,784 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 19:26:41,785 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:26:41,785 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:26:41,785 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:26:41,785 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:26:41,785 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:26:41,785 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:26:41,785 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:26:41,785 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:26:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-02 19:26:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 19:26:41,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:41,803 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] [2018-12-02 19:26:41,804 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:41,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:41,808 INFO L82 PathProgramCache]: Analyzing trace with hash -627284051, now seen corresponding path program 1 times [2018-12-02 19:26:41,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:41,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:41,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:41,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:41,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:41,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:41,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 19:26:41,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 19:26:41,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 19:26:41,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:26:41,976 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-02 19:26:42,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:42,000 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-12-02 19:26:42,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 19:26:42,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 19:26:42,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:42,009 INFO L225 Difference]: With dead ends: 258 [2018-12-02 19:26:42,009 INFO L226 Difference]: Without dead ends: 129 [2018-12-02 19:26:42,012 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 [2018-12-02 19:26:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-02 19:26:42,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-02 19:26:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-02 19:26:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-12-02 19:26:42,047 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-12-02 19:26:42,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:42,048 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-12-02 19:26:42,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 19:26:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-12-02 19:26:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 19:26:42,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:42,050 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] [2018-12-02 19:26:42,050 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:42,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash -831667335, now seen corresponding path program 1 times [2018-12-02 19:26:42,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:42,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:42,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:42,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:42,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:42,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 19:26:42,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 19:26:42,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 19:26:42,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 19:26:42,118 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-12-02 19:26:42,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:42,131 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2018-12-02 19:26:42,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 19:26:42,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 19:26:42,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:42,132 INFO L225 Difference]: With dead ends: 207 [2018-12-02 19:26:42,133 INFO L226 Difference]: Without dead ends: 120 [2018-12-02 19:26:42,133 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 [2018-12-02 19:26:42,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-02 19:26:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-02 19:26:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 19:26:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-02 19:26:42,141 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-12-02 19:26:42,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:42,141 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-02 19:26:42,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 19:26:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-02 19:26:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 19:26:42,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:42,143 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] [2018-12-02 19:26:42,143 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:42,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:42,143 INFO L82 PathProgramCache]: Analyzing trace with hash 276108552, now seen corresponding path program 1 times [2018-12-02 19:26:42,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:42,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:42,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:42,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:42,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:42,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 19:26:42,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 19:26:42,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 19:26:42,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 19:26:42,241 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-12-02 19:26:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:42,403 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-12-02 19:26:42,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 19:26:42,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 19:26:42,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:42,405 INFO L225 Difference]: With dead ends: 216 [2018-12-02 19:26:42,405 INFO L226 Difference]: Without dead ends: 120 [2018-12-02 19:26:42,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 19:26:42,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-02 19:26:42,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-02 19:26:42,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 19:26:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-12-02 19:26:42,413 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2018-12-02 19:26:42,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:42,413 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-12-02 19:26:42,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 19:26:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-12-02 19:26:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 19:26:42,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:42,414 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] [2018-12-02 19:26:42,415 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:42,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:42,415 INFO L82 PathProgramCache]: Analyzing trace with hash 984213394, now seen corresponding path program 1 times [2018-12-02 19:26:42,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:42,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:42,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:42,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:42,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:42,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 19:26:42,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 19:26:42,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 19:26:42,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 19:26:42,501 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2018-12-02 19:26:42,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:42,799 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2018-12-02 19:26:42,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 19:26:42,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 19:26:42,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:42,800 INFO L225 Difference]: With dead ends: 322 [2018-12-02 19:26:42,800 INFO L226 Difference]: Without dead ends: 226 [2018-12-02 19:26:42,801 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 [2018-12-02 19:26:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-02 19:26:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2018-12-02 19:26:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-12-02 19:26:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2018-12-02 19:26:42,816 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2018-12-02 19:26:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:42,817 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2018-12-02 19:26:42,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 19:26:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2018-12-02 19:26:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 19:26:42,818 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:42,818 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:26:42,819 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:42,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:42,819 INFO L82 PathProgramCache]: Analyzing trace with hash -13182587, now seen corresponding path program 1 times [2018-12-02 19:26:42,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:42,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:42,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:42,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:42,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:42,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 19:26:42,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 19:26:42,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 19:26:42,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 19:26:42,867 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2018-12-02 19:26:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:42,994 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2018-12-02 19:26:42,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 19:26:42,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 19:26:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:42,998 INFO L225 Difference]: With dead ends: 504 [2018-12-02 19:26:42,998 INFO L226 Difference]: Without dead ends: 320 [2018-12-02 19:26:43,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 19:26:43,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-02 19:26:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-12-02 19:26:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-02 19:26:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2018-12-02 19:26:43,025 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2018-12-02 19:26:43,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:43,025 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2018-12-02 19:26:43,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 19:26:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2018-12-02 19:26:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 19:26:43,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:43,027 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] [2018-12-02 19:26:43,027 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:43,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:43,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1190699199, now seen corresponding path program 1 times [2018-12-02 19:26:43,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:43,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:43,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:43,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:43,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:43,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 19:26:43,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 19:26:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 19:26:43,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 19:26:43,114 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2018-12-02 19:26:43,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:43,221 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2018-12-02 19:26:43,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 19:26:43,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 19:26:43,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:43,223 INFO L225 Difference]: With dead ends: 679 [2018-12-02 19:26:43,223 INFO L226 Difference]: Without dead ends: 495 [2018-12-02 19:26:43,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 19:26:43,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-02 19:26:43,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2018-12-02 19:26:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-12-02 19:26:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2018-12-02 19:26:43,245 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2018-12-02 19:26:43,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:43,246 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2018-12-02 19:26:43,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 19:26:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2018-12-02 19:26:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 19:26:43,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:43,247 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] [2018-12-02 19:26:43,247 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:43,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:43,247 INFO L82 PathProgramCache]: Analyzing trace with hash 268015616, now seen corresponding path program 1 times [2018-12-02 19:26:43,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:43,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:43,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:43,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:43,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:43,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 19:26:43,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 19:26:43,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 19:26:43,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 19:26:43,291 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2018-12-02 19:26:43,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:43,316 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2018-12-02 19:26:43,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 19:26:43,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-02 19:26:43,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:43,319 INFO L225 Difference]: With dead ends: 832 [2018-12-02 19:26:43,319 INFO L226 Difference]: Without dead ends: 487 [2018-12-02 19:26:43,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 19:26:43,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-02 19:26:43,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-02 19:26:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-02 19:26:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2018-12-02 19:26:43,346 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2018-12-02 19:26:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:43,347 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2018-12-02 19:26:43,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 19:26:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2018-12-02 19:26:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 19:26:43,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:43,349 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] [2018-12-02 19:26:43,349 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:43,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:43,349 INFO L82 PathProgramCache]: Analyzing trace with hash -575989886, now seen corresponding path program 1 times [2018-12-02 19:26:43,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:43,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:43,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:43,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:43,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:43,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 19:26:43,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 19:26:43,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 19:26:43,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 19:26:43,421 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2018-12-02 19:26:43,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:43,462 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2018-12-02 19:26:43,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 19:26:43,462 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-02 19:26:43,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:43,464 INFO L225 Difference]: With dead ends: 944 [2018-12-02 19:26:43,464 INFO L226 Difference]: Without dead ends: 487 [2018-12-02 19:26:43,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 19:26:43,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-02 19:26:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-02 19:26:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-02 19:26:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2018-12-02 19:26:43,482 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2018-12-02 19:26:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:43,482 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2018-12-02 19:26:43,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 19:26:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2018-12-02 19:26:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 19:26:43,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:43,484 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:26:43,484 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:43,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:43,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1204861054, now seen corresponding path program 1 times [2018-12-02 19:26:43,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:43,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:43,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:43,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:26:43,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:26:43,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 19:26:43,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 19:26:43,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 19:26:43,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 19:26:43,561 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2018-12-02 19:26:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:43,690 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2018-12-02 19:26:43,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 19:26:43,690 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-02 19:26:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:43,693 INFO L225 Difference]: With dead ends: 944 [2018-12-02 19:26:43,693 INFO L226 Difference]: Without dead ends: 487 [2018-12-02 19:26:43,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 19:26:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-02 19:26:43,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2018-12-02 19:26:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-12-02 19:26:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2018-12-02 19:26:43,717 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2018-12-02 19:26:43,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:43,717 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2018-12-02 19:26:43,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 19:26:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2018-12-02 19:26:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 19:26:43,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:43,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:26:43,720 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:43,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:43,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1654159510, now seen corresponding path program 1 times [2018-12-02 19:26:43,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:43,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:43,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:43,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 19:26:43,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 19:26:43,771 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/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 [2018-12-02 19:26:43,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:43,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:26:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 19:26:43,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 19:26:43,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-12-02 19:26:43,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 19:26:43,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 19:26:43,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-02 19:26:43,986 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 12 states. [2018-12-02 19:26:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:44,977 INFO L93 Difference]: Finished difference Result 1280 states and 1590 transitions. [2018-12-02 19:26:44,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 19:26:44,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2018-12-02 19:26:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:44,980 INFO L225 Difference]: With dead ends: 1280 [2018-12-02 19:26:44,980 INFO L226 Difference]: Without dead ends: 902 [2018-12-02 19:26:44,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-12-02 19:26:44,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2018-12-02 19:26:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2018-12-02 19:26:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-12-02 19:26:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 962 transitions. [2018-12-02 19:26:45,013 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 962 transitions. Word has length 136 [2018-12-02 19:26:45,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:45,013 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 962 transitions. [2018-12-02 19:26:45,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 19:26:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 962 transitions. [2018-12-02 19:26:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 19:26:45,014 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:45,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:26:45,015 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:45,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:45,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1944813790, now seen corresponding path program 1 times [2018-12-02 19:26:45,015 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:45,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:45,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:45,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:45,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 19:26:45,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 19:26:45,078 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/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 [2018-12-02 19:26:45,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:45,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:26:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 19:26:45,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 19:26:45,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-02 19:26:45,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 19:26:45,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 19:26:45,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-02 19:26:45,201 INFO L87 Difference]: Start difference. First operand 821 states and 962 transitions. Second operand 11 states. [2018-12-02 19:26:45,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:45,241 INFO L93 Difference]: Finished difference Result 1445 states and 1716 transitions. [2018-12-02 19:26:45,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 19:26:45,242 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2018-12-02 19:26:45,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:45,244 INFO L225 Difference]: With dead ends: 1445 [2018-12-02 19:26:45,244 INFO L226 Difference]: Without dead ends: 709 [2018-12-02 19:26:45,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-02 19:26:45,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-02 19:26:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-12-02 19:26:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-12-02 19:26:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 827 transitions. [2018-12-02 19:26:45,281 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 827 transitions. Word has length 132 [2018-12-02 19:26:45,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:45,281 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 827 transitions. [2018-12-02 19:26:45,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 19:26:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 827 transitions. [2018-12-02 19:26:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 19:26:45,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:26:45,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:26:45,283 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:26:45,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:26:45,283 INFO L82 PathProgramCache]: Analyzing trace with hash 538393945, now seen corresponding path program 1 times [2018-12-02 19:26:45,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:26:45,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:26:45,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:45,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:45,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:26:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 19:26:45,341 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 19:26:45,341 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/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 [2018-12-02 19:26:45,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:26:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:26:45,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:26:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 19:26:45,532 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 19:26:45,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-02 19:26:45,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 19:26:45,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 19:26:45,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-02 19:26:45,533 INFO L87 Difference]: Start difference. First operand 709 states and 827 transitions. Second operand 15 states. [2018-12-02 19:26:46,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:26:46,945 INFO L93 Difference]: Finished difference Result 2513 states and 3546 transitions. [2018-12-02 19:26:46,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-02 19:26:46,945 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-12-02 19:26:46,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:26:46,946 INFO L225 Difference]: With dead ends: 2513 [2018-12-02 19:26:46,946 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 19:26:46,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-02 19:26:46,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 19:26:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 19:26:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 19:26:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 19:26:46,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-12-02 19:26:46,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:26:46,951 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 19:26:46,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 19:26:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 19:26:46,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 19:26:46,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 19:26:47,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 19:26:47,707 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-12-02 19:26:47,973 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-12-02 19:26:48,338 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-12-02 19:26:48,903 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-02 19:26:49,063 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-12-02 19:26:49,216 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-12-02 19:26:49,807 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-12-02 19:26:50,371 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-12-02 19:26:50,372 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-02 19:26:50,372 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-12-02 19:26:50,372 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-12-02 19:26:50,372 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-12-02 19:26:50,372 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-02 19:26:50,372 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-02 19:26:50,372 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,372 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,372 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,372 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,372 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 19:26:50,373 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-12-02 19:26:50,373 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-02 19:26:50,373 INFO L451 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-12-02 19:26:50,374 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,374 INFO L448 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-12-02 19:26:50,375 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 19:26:50,375 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,375 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,375 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-12-02 19:26:50,375 INFO L444 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,375 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-12-02 19:26:50,375 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-12-02 19:26:50,375 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-12-02 19:26:50,375 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-12-02 19:26:50,375 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,375 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-12-02 19:26:50,375 INFO L444 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 19:26:50,375 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L444 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 19:26:50,376 INFO L444 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-12-02 19:26:50,376 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-02 19:26:50,377 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L451 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-02 19:26:50,377 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-12-02 19:26:50,377 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-12-02 19:26:50,378 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-12-02 19:26:50,378 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-12-02 19:26:50,378 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-12-02 19:26:50,378 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-12-02 19:26:50,378 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-12-02 19:26:50,378 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-12-02 19:26:50,378 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-12-02 19:26:50,378 INFO L444 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-12-02 19:26:50,378 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-12-02 19:26:50,379 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 19:26:50,379 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 19:26:50,379 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 19:26:50,379 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-12-02 19:26:50,380 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse3 .cse6))) [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-02 19:26:50,380 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-12-02 19:26:50,381 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 19:26:50,381 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-02 19:26:50,381 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 19:26:50,381 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 19:26:50,381 INFO L444 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,381 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-12-02 19:26:50,381 INFO L444 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,382 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1))) [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-12-02 19:26:50,382 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-12-02 19:26:50,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:26:50 BoogieIcfgContainer [2018-12-02 19:26:50,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:26:50,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:26:50,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:26:50,392 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:26:50,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:26:41" (3/4) ... [2018-12-02 19:26:50,395 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 19:26:50,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 19:26:50,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 19:26:50,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 19:26:50,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 19:26:50,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 19:26:50,409 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 19:26:50,409 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 19:26:50,409 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 19:26:50,410 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 19:26:50,410 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 19:26:50,410 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 19:26:50,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 19:26:50,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 19:26:50,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e5057c2-99bb-48a4-b891-47eadc72f375/bin-2019/uautomizer/witness.graphml [2018-12-02 19:26:50,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:26:50,450 INFO L168 Benchmark]: Toolchain (without parser) took 9421.11 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 506.5 MB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -437.3 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-02 19:26:50,451 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:26:50,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:26:50,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 19:26:50,452 INFO L168 Benchmark]: Boogie Preprocessor took 22.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:26:50,452 INFO L168 Benchmark]: RCFGBuilder took 372.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:26:50,452 INFO L168 Benchmark]: TraceAbstraction took 8648.70 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 389.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -356.9 MB). Peak memory consumption was 539.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:26:50,452 INFO L168 Benchmark]: Witness Printer took 57.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-02 19:26:50,454 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 372.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8648.70 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 389.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -356.9 MB). Peak memory consumption was 539.8 MB. Max. memory is 11.5 GB. * Witness Printer took 57.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1937 SDtfs, 1987 SDslu, 6894 SDs, 0 SdLazy, 4826 SolverSat, 1094 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 443 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=821occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 2475 PreInvPairs, 2984 NumberOfFragments, 1552 HoareAnnotationTreeSize, 2475 FomulaSimplifications, 10947 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 59 FomulaSimplificationsInter, 29494 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1477 NumberOfCodeBlocks, 1477 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1462 ConstructedInterpolants, 0 QuantifiedInterpolants, 246887 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2444 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 164/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...