./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_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_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:59:15,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:59:15,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:59:15,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:59:15,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:59:15,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:59:15,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:59:15,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:59:15,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:59:15,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:59:15,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:59:15,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:59:15,998 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:59:15,999 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:59:15,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:59:16,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:59:16,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:59:16,001 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:59:16,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:59:16,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:59:16,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:59:16,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:59:16,005 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:59:16,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:59:16,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:59:16,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:59:16,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:59:16,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:59:16,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:59:16,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:59:16,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:59:16,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:59:16,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:59:16,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:59:16,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:59:16,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:59:16,010 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 12:59:16,017 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:59:16,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:59:16,018 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:59:16,018 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:59:16,018 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:59:16,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:59:16,018 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:59:16,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:59:16,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:59:16,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:59:16,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:59:16,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:59:16,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:59:16,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:59:16,020 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_c21830ac-76b2-4784-89f6-e97133f6419e/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-12-08 12:59:16,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:59:16,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:59:16,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:59:16,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:59:16,047 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:59:16,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-08 12:59:16,081 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/data/b82640322/4f622254dee94023b31a12785ffacbf2/FLAG0c89b3b22 [2018-12-08 12:59:16,559 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:59:16,560 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-08 12:59:16,567 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/data/b82640322/4f622254dee94023b31a12785ffacbf2/FLAG0c89b3b22 [2018-12-08 12:59:16,576 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/data/b82640322/4f622254dee94023b31a12785ffacbf2 [2018-12-08 12:59:16,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:59:16,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:59:16,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:59:16,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:59:16,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:59:16,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16, skipping insertion in model container [2018-12-08 12:59:16,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:59:16,614 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:59:16,788 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:59:16,831 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:59:16,875 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:59:16,891 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:59:16,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16 WrapperNode [2018-12-08 12:59:16,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:59:16,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:59:16,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:59:16,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:59:16,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:59:16,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:59:16,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:59:16,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:59:16,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... [2018-12-08 12:59:16,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:59:16,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:59:16,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:59:16,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:59:16,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/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 [2018-12-08 12:59:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 12:59:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 12:59:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:59:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 12:59:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 12:59:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 12:59:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:59:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 12:59:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 12:59:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 12:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 12:59:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 12:59:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 12:59:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 12:59:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 12:59:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 12:59:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:59:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:59:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:59:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:59:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:59:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:59:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 12:59:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 12:59:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 12:59:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 12:59:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:59:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:59:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:59:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:59:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 12:59:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 12:59:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 12:59:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 12:59:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 12:59:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 12:59:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 12:59:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 12:59:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 12:59:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 12:59:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:59:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:59:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:59:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:59:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:59:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:59:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:59:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 12:59:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 12:59:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:59:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:59:17,241 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:59:17,241 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 12:59:17,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:59:17 BoogieIcfgContainer [2018-12-08 12:59:17,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:59:17,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:59:17,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:59:17,244 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:59:17,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:59:16" (1/3) ... [2018-12-08 12:59:17,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad7c4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:59:17, skipping insertion in model container [2018-12-08 12:59:17,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:59:16" (2/3) ... [2018-12-08 12:59:17,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad7c4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:59:17, skipping insertion in model container [2018-12-08 12:59:17,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:59:17" (3/3) ... [2018-12-08 12:59:17,246 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-08 12:59:17,252 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:59:17,257 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 12:59:17,267 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 12:59:17,286 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:59:17,286 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:59:17,287 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 12:59:17,287 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:59:17,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:59:17,287 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:59:17,287 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:59:17,287 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:59:17,287 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:59:17,300 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-08 12:59:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 12:59:17,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:17,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:59:17,307 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:17,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:17,310 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-12-08 12:59:17,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:17,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:17,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:17,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:17,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:17,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:59:17,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 12:59:17,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 12:59:17,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:59:17,464 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-08 12:59:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:17,485 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-12-08 12:59:17,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 12:59:17,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 12:59:17,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:17,493 INFO L225 Difference]: With dead ends: 260 [2018-12-08 12:59:17,493 INFO L226 Difference]: Without dead ends: 132 [2018-12-08 12:59:17,495 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 [2018-12-08 12:59:17,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-08 12:59:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-08 12:59:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-08 12:59:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-12-08 12:59:17,525 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-12-08 12:59:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:17,525 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-12-08 12:59:17,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 12:59:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-12-08 12:59:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 12:59:17,527 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:17,527 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] [2018-12-08 12:59:17,527 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:17,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:17,528 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-12-08 12:59:17,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:17,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:17,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:17,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:17,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:17,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:59:17,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:59:17,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:59:17,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:59:17,584 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-12-08 12:59:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:17,596 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-12-08 12:59:17,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:59:17,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 12:59:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:17,597 INFO L225 Difference]: With dead ends: 205 [2018-12-08 12:59:17,598 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 12:59:17,598 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 [2018-12-08 12:59:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 12:59:17,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 12:59:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 12:59:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-08 12:59:17,606 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-12-08 12:59:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:17,606 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-08 12:59:17,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:59:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-08 12:59:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 12:59:17,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:17,607 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] [2018-12-08 12:59:17,607 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:17,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:17,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-12-08 12:59:17,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:17,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:17,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:17,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:17,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:17,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:59:17,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:59:17,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:59:17,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:59:17,681 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-12-08 12:59:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:17,871 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-12-08 12:59:17,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:59:17,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 12:59:17,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:17,873 INFO L225 Difference]: With dead ends: 218 [2018-12-08 12:59:17,873 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 12:59:17,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:59:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 12:59:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 12:59:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 12:59:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-12-08 12:59:17,883 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-12-08 12:59:17,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:17,884 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-12-08 12:59:17,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:59:17,884 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-12-08 12:59:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 12:59:17,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:17,886 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] [2018-12-08 12:59:17,886 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:17,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:17,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-12-08 12:59:17,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:17,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:17,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:17,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:17,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:17,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:59:17,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:59:17,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:59:17,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:59:17,959 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-12-08 12:59:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:18,307 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-12-08 12:59:18,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:59:18,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 12:59:18,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:18,310 INFO L225 Difference]: With dead ends: 319 [2018-12-08 12:59:18,310 INFO L226 Difference]: Without dead ends: 224 [2018-12-08 12:59:18,311 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 [2018-12-08 12:59:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-12-08 12:59:18,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-12-08 12:59:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-08 12:59:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-12-08 12:59:18,331 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-12-08 12:59:18,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:18,332 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-12-08 12:59:18,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:59:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-12-08 12:59:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 12:59:18,333 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:18,333 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] [2018-12-08 12:59:18,333 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:18,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:18,333 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-12-08 12:59:18,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:18,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:18,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:18,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:18,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:18,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:18,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:59:18,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:59:18,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:59:18,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:59:18,396 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-12-08 12:59:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:18,515 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-12-08 12:59:18,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:59:18,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 12:59:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:18,518 INFO L225 Difference]: With dead ends: 541 [2018-12-08 12:59:18,518 INFO L226 Difference]: Without dead ends: 364 [2018-12-08 12:59:18,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 12:59:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-08 12:59:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-12-08 12:59:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-12-08 12:59:18,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-12-08 12:59:18,545 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-12-08 12:59:18,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:18,545 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-12-08 12:59:18,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:59:18,546 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-12-08 12:59:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 12:59:18,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:18,547 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] [2018-12-08 12:59:18,547 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:18,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:18,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-12-08 12:59:18,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:18,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:18,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:18,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:18,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:18,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:18,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:59:18,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:59:18,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:59:18,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:59:18,649 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-12-08 12:59:18,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:18,928 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-12-08 12:59:18,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 12:59:18,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-08 12:59:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:18,930 INFO L225 Difference]: With dead ends: 719 [2018-12-08 12:59:18,930 INFO L226 Difference]: Without dead ends: 389 [2018-12-08 12:59:18,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 12:59:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-12-08 12:59:18,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-12-08 12:59:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-12-08 12:59:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-12-08 12:59:18,949 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-12-08 12:59:18,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:18,949 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-12-08 12:59:18,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:59:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-12-08 12:59:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:59:18,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:18,951 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] [2018-12-08 12:59:18,951 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:18,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:18,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-12-08 12:59:18,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:18,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:18,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:18,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:18,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:19,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:19,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:59:19,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:59:19,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:59:19,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:59:19,004 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-12-08 12:59:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:19,036 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-12-08 12:59:19,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:59:19,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-08 12:59:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:19,038 INFO L225 Difference]: With dead ends: 696 [2018-12-08 12:59:19,038 INFO L226 Difference]: Without dead ends: 367 [2018-12-08 12:59:19,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:59:19,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-12-08 12:59:19,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-12-08 12:59:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-08 12:59:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-12-08 12:59:19,053 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-12-08 12:59:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:19,053 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-12-08 12:59:19,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:59:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-12-08 12:59:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:59:19,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:19,055 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] [2018-12-08 12:59:19,055 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:19,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:19,055 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-12-08 12:59:19,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:19,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:19,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:19,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:19,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:19,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 12:59:19,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 12:59:19,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 12:59:19,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:59:19,118 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-12-08 12:59:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:19,141 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-12-08 12:59:19,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:59:19,141 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-08 12:59:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:19,142 INFO L225 Difference]: With dead ends: 720 [2018-12-08 12:59:19,142 INFO L226 Difference]: Without dead ends: 381 [2018-12-08 12:59:19,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:59:19,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-08 12:59:19,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-12-08 12:59:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-12-08 12:59:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-12-08 12:59:19,153 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-12-08 12:59:19,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:19,154 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-12-08 12:59:19,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 12:59:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-12-08 12:59:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:59:19,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:19,154 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] [2018-12-08 12:59:19,155 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:19,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:19,155 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-12-08 12:59:19,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:19,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:19,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:19,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:19,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:19,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:59:19,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:59:19,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:59:19,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:59:19,200 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-12-08 12:59:19,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:19,313 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-12-08 12:59:19,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 12:59:19,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-08 12:59:19,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:19,316 INFO L225 Difference]: With dead ends: 1132 [2018-12-08 12:59:19,316 INFO L226 Difference]: Without dead ends: 785 [2018-12-08 12:59:19,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:59:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-12-08 12:59:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-12-08 12:59:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-08 12:59:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-12-08 12:59:19,337 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-12-08 12:59:19,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:19,337 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-12-08 12:59:19,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:59:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-12-08 12:59:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 12:59:19,338 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:19,338 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, 1, 1, 1, 1] [2018-12-08 12:59:19,338 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:19,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:19,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-12-08 12:59:19,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:19,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:19,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:19,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:19,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:59:19,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:59:19,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:59:19,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:59:19,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:59:19,371 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-12-08 12:59:19,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:19,401 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-12-08 12:59:19,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:59:19,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-08 12:59:19,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:19,403 INFO L225 Difference]: With dead ends: 776 [2018-12-08 12:59:19,403 INFO L226 Difference]: Without dead ends: 773 [2018-12-08 12:59:19,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:59:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-08 12:59:19,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-12-08 12:59:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-12-08 12:59:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-12-08 12:59:19,425 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-12-08 12:59:19,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:19,425 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-12-08 12:59:19,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:59:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-12-08 12:59:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:59:19,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:19,427 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 12:59:19,427 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:19,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:19,427 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-12-08 12:59:19,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:19,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:19,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:19,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:59:19,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:59:19,527 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/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 [2018-12-08 12:59:19,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:19,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:59:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:59:19,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 12:59:19,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 12:59:19,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 12:59:19,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 12:59:19,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 12:59:19,813 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 19 states. [2018-12-08 12:59:20,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:20,393 INFO L93 Difference]: Finished difference Result 1203 states and 1382 transitions. [2018-12-08 12:59:20,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 12:59:20,393 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-12-08 12:59:20,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:20,395 INFO L225 Difference]: With dead ends: 1203 [2018-12-08 12:59:20,395 INFO L226 Difference]: Without dead ends: 584 [2018-12-08 12:59:20,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 12:59:20,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-12-08 12:59:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 555. [2018-12-08 12:59:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-12-08 12:59:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 623 transitions. [2018-12-08 12:59:20,417 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 623 transitions. Word has length 152 [2018-12-08 12:59:20,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:20,417 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 623 transitions. [2018-12-08 12:59:20,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 12:59:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 623 transitions. [2018-12-08 12:59:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:59:20,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:59:20,419 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:59:20,419 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:59:20,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:59:20,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-12-08 12:59:20,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:59:20,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:59:20,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:20,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:20,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:59:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:59:20,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:59:20,464 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/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 [2018-12-08 12:59:20,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:59:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:59:20,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:59:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:59:20,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 12:59:20,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-08 12:59:20,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 12:59:20,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 12:59:20,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:59:20,598 INFO L87 Difference]: Start difference. First operand 555 states and 623 transitions. Second operand 8 states. [2018-12-08 12:59:20,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:59:20,659 INFO L93 Difference]: Finished difference Result 891 states and 1009 transitions. [2018-12-08 12:59:20,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:59:20,659 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-08 12:59:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:59:20,659 INFO L225 Difference]: With dead ends: 891 [2018-12-08 12:59:20,659 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 12:59:20,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:59:20,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 12:59:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 12:59:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 12:59:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 12:59:20,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-12-08 12:59:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:59:20,661 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:59:20,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 12:59:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:59:20,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:59:20,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 12:59:20,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:20,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:59:21,109 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-12-08 12:59:21,226 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-12-08 12:59:21,812 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-12-08 12:59:22,507 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-12-08 12:59:22,986 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-12-08 12:59:22,986 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,987 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,987 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-12-08 12:59:22,987 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,987 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,987 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,987 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-12-08 12:59:22,988 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,988 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-12-08 12:59:22,988 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-12-08 12:59:22,988 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-08 12:59:22,989 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse4 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1) .cse2) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-12-08 12:59:22,989 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-12-08 12:59:22,989 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-12-08 12:59:22,989 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-08 12:59:22,989 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-12-08 12:59:22,990 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-08 12:59:22,990 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-08 12:59:22,991 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-12-08 12:59:22,991 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-12-08 12:59:22,992 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-12-08 12:59:22,992 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-08 12:59:22,992 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-12-08 12:59:22,993 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 .cse4 .cse5)))) [2018-12-08 12:59:22,993 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:59:22,993 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) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 12:59:22,993 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-12-08 12:59:22,993 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-12-08 12:59:22,993 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 12:59:22,994 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-12-08 12:59:22,994 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 12:59:22,994 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 12:59:22,994 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 12:59:23,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:59:23 BoogieIcfgContainer [2018-12-08 12:59:23,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:59:23,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:59:23,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:59:23,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:59:23,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:59:17" (3/4) ... [2018-12-08 12:59:23,006 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 12:59:23,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:59:23,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 12:59:23,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 12:59:23,016 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 12:59:23,016 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 12:59:23,017 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 12:59:23,017 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:59:23,017 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:59:23,017 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:59:23,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-08 12:59:23,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 12:59:23,055 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c21830ac-76b2-4784-89f6-e97133f6419e/bin-2019/uautomizer/witness.graphml [2018-12-08 12:59:23,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:59:23,056 INFO L168 Benchmark]: Toolchain (without parser) took 6478.30 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.7 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -239.7 MB). Peak memory consumption was 141.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:59:23,056 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:59:23,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:59:23,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:59:23,057 INFO L168 Benchmark]: Boogie Preprocessor took 21.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:59:23,057 INFO L168 Benchmark]: RCFGBuilder took 306.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:59:23,057 INFO L168 Benchmark]: TraceAbstraction took 5760.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.6 MB). Peak memory consumption was 429.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:59:23,057 INFO L168 Benchmark]: Witness Printer took 52.88 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:59:23,058 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 306.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5760.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.6 MB). Peak memory consumption was 429.2 MB. Max. memory is 11.5 GB. * Witness Printer took 52.88 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1972 SDtfs, 1213 SDslu, 5741 SDs, 0 SdLazy, 2001 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred 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: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1349 PreInvPairs, 1406 NumberOfFragments, 2490 HoareAnnotationTreeSize, 1349 FomulaSimplifications, 5804 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7440 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 253346 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 186/194 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...