./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_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_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:04:13,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:04:13,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:04:13,173 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:04:13,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:04:13,174 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:04:13,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:04:13,176 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:04:13,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:04:13,178 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:04:13,179 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:04:13,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:04:13,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:04:13,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:04:13,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:04:13,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:04:13,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:04:13,183 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:04:13,185 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:04:13,186 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:04:13,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:04:13,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:04:13,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:04:13,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:04:13,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:04:13,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:04:13,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:04:13,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:04:13,192 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:04:13,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:04:13,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:04:13,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:04:13,193 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:04:13,193 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:04:13,194 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:04:13,194 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:04:13,194 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 17:04:13,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:04:13,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:04:13,205 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:04:13,205 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:04:13,206 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:04:13,206 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:04:13,206 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:04:13,206 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:04:13,206 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:04:13,206 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:04:13,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:04:13,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:04:13,208 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:04:13,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:04:13,209 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_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-12-08 17:04:13,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:04:13,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:04:13,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:04:13,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:04:13,244 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:04:13,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-08 17:04:13,288 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/data/8a1bb95f6/669d1f74e32741fa8376332767f203a9/FLAGd041f826e [2018-12-08 17:04:13,631 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:04:13,632 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-08 17:04:13,637 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/data/8a1bb95f6/669d1f74e32741fa8376332767f203a9/FLAGd041f826e [2018-12-08 17:04:13,646 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/data/8a1bb95f6/669d1f74e32741fa8376332767f203a9 [2018-12-08 17:04:13,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:04:13,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:04:13,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:04:13,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:04:13,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:04:13,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13, skipping insertion in model container [2018-12-08 17:04:13,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:04:13,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:04:13,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:04:13,863 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:04:13,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:04:13,930 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:04:13,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13 WrapperNode [2018-12-08 17:04:13,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:04:13,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:04:13,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:04:13,931 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:04:13,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:04:13,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:04:13,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:04:13,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:04:13,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... [2018-12-08 17:04:13,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:04:13,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:04:13,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:04:13,974 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:04:13,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/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 17:04:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 17:04:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 17:04:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:04:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:04:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 17:04:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 17:04:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:04:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 17:04:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 17:04:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 17:04:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 17:04:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 17:04:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 17:04:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 17:04:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 17:04:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 17:04:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 17:04:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 17:04:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 17:04:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 17:04:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 17:04:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 17:04:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 17:04:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 17:04:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 17:04:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:04:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:04:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 17:04:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 17:04:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 17:04:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 17:04:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:04:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:04:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 17:04:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 17:04:14,281 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:04:14,281 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 17:04:14,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:04:14 BoogieIcfgContainer [2018-12-08 17:04:14,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:04:14,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:04:14,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:04:14,284 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:04:14,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:04:13" (1/3) ... [2018-12-08 17:04:14,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315b8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:04:14, skipping insertion in model container [2018-12-08 17:04:14,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:13" (2/3) ... [2018-12-08 17:04:14,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315b8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:04:14, skipping insertion in model container [2018-12-08 17:04:14,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:04:14" (3/3) ... [2018-12-08 17:04:14,286 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-08 17:04:14,292 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:04:14,297 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:04:14,307 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:04:14,326 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:04:14,326 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:04:14,326 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:04:14,326 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:04:14,326 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:04:14,326 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:04:14,327 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:04:14,327 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:04:14,327 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:04:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-08 17:04:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 17:04:14,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:14,345 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:14,346 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:14,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:14,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1039050909, now seen corresponding path program 1 times [2018-12-08 17:04:14,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:14,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:14,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:14,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:14,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:14,485 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 17:04:14,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:14,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:04:14,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:04:14,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:04:14,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:04:14,498 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-08 17:04:14,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:14,521 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2018-12-08 17:04:14,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:04:14,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 17:04:14,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:14,529 INFO L225 Difference]: With dead ends: 280 [2018-12-08 17:04:14,529 INFO L226 Difference]: Without dead ends: 140 [2018-12-08 17:04:14,531 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 17:04:14,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-08 17:04:14,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-08 17:04:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-08 17:04:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2018-12-08 17:04:14,562 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2018-12-08 17:04:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:14,563 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2018-12-08 17:04:14,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:04:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2018-12-08 17:04:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 17:04:14,564 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:14,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:14,564 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:14,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:14,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1886519307, now seen corresponding path program 1 times [2018-12-08 17:04:14,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:14,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:14,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:14,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:14,625 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 17:04:14,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:14,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:04:14,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:04:14,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:04:14,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:04:14,627 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2018-12-08 17:04:14,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:14,639 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-12-08 17:04:14,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:04:14,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 17:04:14,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:14,640 INFO L225 Difference]: With dead ends: 219 [2018-12-08 17:04:14,641 INFO L226 Difference]: Without dead ends: 131 [2018-12-08 17:04:14,641 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 17:04:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-08 17:04:14,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-08 17:04:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-08 17:04:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-12-08 17:04:14,649 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2018-12-08 17:04:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:14,649 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-12-08 17:04:14,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:04:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-12-08 17:04:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 17:04:14,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:14,651 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 17:04:14,651 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:14,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:14,651 INFO L82 PathProgramCache]: Analyzing trace with hash -443527011, now seen corresponding path program 1 times [2018-12-08 17:04:14,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:14,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:14,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:14,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:14,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:14,715 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 17:04:14,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:14,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:04:14,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:04:14,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:04:14,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:04:14,716 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2018-12-08 17:04:14,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:14,995 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2018-12-08 17:04:14,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:04:14,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 17:04:14,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:14,997 INFO L225 Difference]: With dead ends: 395 [2018-12-08 17:04:14,998 INFO L226 Difference]: Without dead ends: 288 [2018-12-08 17:04:14,999 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 17:04:14,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-12-08 17:04:15,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2018-12-08 17:04:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-12-08 17:04:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2018-12-08 17:04:15,026 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2018-12-08 17:04:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:15,026 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2018-12-08 17:04:15,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:04:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2018-12-08 17:04:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 17:04:15,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:15,028 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 17:04:15,028 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:15,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:15,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1392303490, now seen corresponding path program 1 times [2018-12-08 17:04:15,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:15,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:15,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:15,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:15,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:15,096 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 17:04:15,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:15,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:04:15,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:04:15,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:04:15,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:04:15,097 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2018-12-08 17:04:15,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:15,256 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2018-12-08 17:04:15,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:04:15,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-08 17:04:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:15,260 INFO L225 Difference]: With dead ends: 765 [2018-12-08 17:04:15,260 INFO L226 Difference]: Without dead ends: 513 [2018-12-08 17:04:15,262 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 17:04:15,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-12-08 17:04:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2018-12-08 17:04:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-08 17:04:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2018-12-08 17:04:15,296 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2018-12-08 17:04:15,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:15,296 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2018-12-08 17:04:15,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:04:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2018-12-08 17:04:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 17:04:15,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:15,299 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:15,299 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:15,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:15,299 INFO L82 PathProgramCache]: Analyzing trace with hash 85735846, now seen corresponding path program 1 times [2018-12-08 17:04:15,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:15,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:15,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:15,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:15,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:15,377 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 17:04:15,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:15,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:04:15,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:04:15,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:04:15,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:04:15,378 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2018-12-08 17:04:15,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:15,747 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2018-12-08 17:04:15,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 17:04:15,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-08 17:04:15,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:15,750 INFO L225 Difference]: With dead ends: 1346 [2018-12-08 17:04:15,750 INFO L226 Difference]: Without dead ends: 863 [2018-12-08 17:04:15,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 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 17:04:15,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-08 17:04:15,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2018-12-08 17:04:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-12-08 17:04:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2018-12-08 17:04:15,782 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2018-12-08 17:04:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:15,783 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2018-12-08 17:04:15,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:04:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2018-12-08 17:04:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 17:04:15,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:15,784 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:15,785 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:15,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:15,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1206568851, now seen corresponding path program 1 times [2018-12-08 17:04:15,785 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:15,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:15,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:15,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:15,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:04:15,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:15,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 17:04:15,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 17:04:15,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 17:04:15,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:04:15,831 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2018-12-08 17:04:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:15,993 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2018-12-08 17:04:15,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:04:15,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-08 17:04:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:15,999 INFO L225 Difference]: With dead ends: 2836 [2018-12-08 17:04:15,999 INFO L226 Difference]: Without dead ends: 2095 [2018-12-08 17:04:16,001 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 17:04:16,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-08 17:04:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2018-12-08 17:04:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2018-12-08 17:04:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2018-12-08 17:04:16,071 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2018-12-08 17:04:16,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:16,071 INFO L480 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2018-12-08 17:04:16,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 17:04:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2018-12-08 17:04:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 17:04:16,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:16,074 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:16,075 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:16,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:16,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1198809492, now seen corresponding path program 1 times [2018-12-08 17:04:16,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:16,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:16,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:16,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:16,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:04:16,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:16,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:04:16,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:04:16,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:04:16,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:04:16,125 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2018-12-08 17:04:16,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:16,210 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2018-12-08 17:04:16,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:04:16,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-08 17:04:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:16,219 INFO L225 Difference]: With dead ends: 4158 [2018-12-08 17:04:16,219 INFO L226 Difference]: Without dead ends: 2133 [2018-12-08 17:04:16,224 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 17:04:16,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2018-12-08 17:04:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2018-12-08 17:04:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-12-08 17:04:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2018-12-08 17:04:16,303 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2018-12-08 17:04:16,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:16,304 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2018-12-08 17:04:16,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:04:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2018-12-08 17:04:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 17:04:16,306 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:16,306 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:16,307 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:16,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:16,307 INFO L82 PathProgramCache]: Analyzing trace with hash -305323154, now seen corresponding path program 1 times [2018-12-08 17:04:16,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:16,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:16,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:16,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:16,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:04:16,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:16,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 17:04:16,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 17:04:16,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 17:04:16,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:04:16,379 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2018-12-08 17:04:16,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:16,452 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2018-12-08 17:04:16,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:04:16,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-08 17:04:16,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:16,457 INFO L225 Difference]: With dead ends: 3832 [2018-12-08 17:04:16,457 INFO L226 Difference]: Without dead ends: 1747 [2018-12-08 17:04:16,461 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 17:04:16,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2018-12-08 17:04:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2018-12-08 17:04:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2018-12-08 17:04:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2018-12-08 17:04:16,513 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2018-12-08 17:04:16,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:16,513 INFO L480 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2018-12-08 17:04:16,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 17:04:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2018-12-08 17:04:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 17:04:16,515 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:16,516 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:16,516 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:16,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:16,516 INFO L82 PathProgramCache]: Analyzing trace with hash 692991765, now seen corresponding path program 1 times [2018-12-08 17:04:16,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:16,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:16,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:16,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:16,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:04:16,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:04:16,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/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 17:04:16,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:16,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:04:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:04:16,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:04:16,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 17:04:16,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 17:04:16,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 17:04:16,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:04:16,881 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 19 states. [2018-12-08 17:04:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:17,574 INFO L93 Difference]: Finished difference Result 3440 states and 4282 transitions. [2018-12-08 17:04:17,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 17:04:17,574 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-12-08 17:04:17,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:17,579 INFO L225 Difference]: With dead ends: 3440 [2018-12-08 17:04:17,579 INFO L226 Difference]: Without dead ends: 1717 [2018-12-08 17:04:17,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 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 17:04:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2018-12-08 17:04:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2018-12-08 17:04:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1717 states. [2018-12-08 17:04:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2069 transitions. [2018-12-08 17:04:17,639 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2069 transitions. Word has length 103 [2018-12-08 17:04:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:17,639 INFO L480 AbstractCegarLoop]: Abstraction has 1717 states and 2069 transitions. [2018-12-08 17:04:17,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 17:04:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2069 transitions. [2018-12-08 17:04:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 17:04:17,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:17,643 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:17,643 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:17,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:17,644 INFO L82 PathProgramCache]: Analyzing trace with hash -2090589296, now seen corresponding path program 1 times [2018-12-08 17:04:17,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:04:17,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:04:17,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:17,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:17,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:04:17,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:04:17,747 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/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 17:04:17,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:17,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:04:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 17:04:17,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:04:17,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 17:04:17,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 17:04:17,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 17:04:17,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:04:17,949 INFO L87 Difference]: Start difference. First operand 1717 states and 2069 transitions. Second operand 19 states. [2018-12-08 17:04:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:18,649 INFO L93 Difference]: Finished difference Result 2919 states and 3581 transitions. [2018-12-08 17:04:18,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 17:04:18,649 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 155 [2018-12-08 17:04:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:18,649 INFO L225 Difference]: With dead ends: 2919 [2018-12-08 17:04:18,649 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:04:18,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 152 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 17:04:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:04:18,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:04:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:04:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:04:18,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-08 17:04:18,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:18,654 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:04:18,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 17:04:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:04:18,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:04:18,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:04:18,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:18,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:19,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:04:20,083 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2018-12-08 17:04:20,809 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-12-08 17:04:20,843 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,844 INFO L444 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,844 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 17:04:20,844 INFO L444 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-12-08 17:04:20,844 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5) (or .cse1 .cse6) (or .cse3 .cse2 .cse6))) [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (not (= ~systemActive~0 0)) .cse2)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse5 .cse4 .cse1)))) [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-12-08 17:04:20,845 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-12-08 17:04:20,846 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-12-08 17:04:20,846 INFO L451 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-08 17:04:20,846 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 17:04:20,846 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-12-08 17:04:20,846 INFO L444 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-12-08 17:04:20,847 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0))) [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,847 INFO L444 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-08 17:04:20,847 INFO L444 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-08 17:04:20,847 INFO L444 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 17:04:20,848 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-12-08 17:04:20,848 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (and .cse3 .cse7)) (or .cse6 .cse1 .cse0) (or .cse8 .cse4 .cse9 .cse2) (or (and .cse7 .cse9) .cse6 .cse8 .cse4) (or .cse7 .cse4 .cse2)))) [2018-12-08 17:04:20,849 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse0) (or .cse4 (and .cse6 .cse0) .cse5 .cse2) (or .cse3 .cse5 .cse0) (or .cse5 .cse7 .cse2 (and .cse8 .cse0)) (or .cse3 .cse5 .cse8 .cse7) (or .cse3 .cse4 .cse1 .cse6) (or .cse4 .cse6 .cse1 .cse2)))) [2018-12-08 17:04:20,849 INFO L444 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1)))) (let ((.cse7 (and (not .cse9) .cse6)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse8 .cse9 .cse7 .cse2) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 (= 0 ~pumpRunning~0)) (or .cse4 .cse0 .cse3 .cse1)))) [2018-12-08 17:04:20,849 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-12-08 17:04:20,849 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:04:20,850 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)) [2018-12-08 17:04:20,850 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:04:20,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L444 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-12-08 17:04:20,851 INFO L451 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-12-08 17:04:20,851 INFO L448 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-12-08 17:04:20,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:04:20 BoogieIcfgContainer [2018-12-08 17:04:20,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:04:20,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:04:20,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:04:20,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:04:20,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:04:14" (3/4) ... [2018-12-08 17:04:20,861 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 17:04:20,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 17:04:20,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 17:04:20,870 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 17:04:20,871 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 17:04:20,871 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 17:04:20,871 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 17:04:20,871 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:04:20,871 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:04:20,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-08 17:04:20,888 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 17:04:20,908 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f1125ac-be18-4669-bb1a-04c5d0a7f43c/bin-2019/uautomizer/witness.graphml [2018-12-08 17:04:20,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:04:20,909 INFO L168 Benchmark]: Toolchain (without parser) took 7261.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -56.1 MB). Peak memory consumption was 243.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:20,909 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:04:20,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:20,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:04:20,910 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:20,910 INFO L168 Benchmark]: RCFGBuilder took 307.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:20,910 INFO L168 Benchmark]: TraceAbstraction took 6576.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 349.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:20,910 INFO L168 Benchmark]: Witness Printer took 50.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:20,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 307.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6576.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 349.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1925 SDtfs, 1399 SDslu, 7817 SDs, 0 SdLazy, 3223 SolverSat, 238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 386 GetRequests, 283 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=7, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4378 PreInvPairs, 4627 NumberOfFragments, 1788 HoareAnnotationTreeSize, 4378 FomulaSimplifications, 4571 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14023 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1064 ConstructedInterpolants, 0 QuantifiedInterpolants, 173242 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 109/113 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...