./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/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 edf277e8e45bc51905c3746c53b47e5f504df38a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:09:09,202 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:09:09,203 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:09:09,211 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:09:09,211 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:09:09,212 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:09:09,213 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:09:09,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:09:09,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:09:09,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:09:09,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:09:09,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:09:09,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:09:09,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:09:09,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:09:09,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:09:09,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:09:09,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:09:09,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:09:09,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:09:09,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:09:09,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:09:09,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:09:09,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:09:09,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:09:09,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:09:09,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:09:09,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:09:09,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:09:09,229 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:09:09,229 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:09:09,229 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:09:09,229 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:09:09,230 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:09:09,230 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:09:09,231 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:09:09,231 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:09:09,240 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:09:09,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:09:09,241 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:09:09,241 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:09:09,241 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:09:09,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:09:09,242 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:09:09,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:09:09,242 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:09:09,242 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:09:09,242 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:09:09,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:09:09,242 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:09:09,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:09:09,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:09:09,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:09:09,244 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:09:09,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:09:09,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:09:09,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:09:09,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:09:09,244 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:09:09,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:09:09,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:09:09,245 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_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-11-18 11:09:09,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:09:09,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:09:09,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:09:09,278 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:09:09,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:09:09,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:09,316 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/data/9839239a7/39240d60a6834160b13a613c81f21c46/FLAGa338b9212 [2018-11-18 11:09:09,739 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:09:09,740 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:09,747 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/data/9839239a7/39240d60a6834160b13a613c81f21c46/FLAGa338b9212 [2018-11-18 11:09:09,758 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/data/9839239a7/39240d60a6834160b13a613c81f21c46 [2018-11-18 11:09:09,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:09:09,760 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:09:09,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:09,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:09:09,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:09:09,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:09" (1/1) ... [2018-11-18 11:09:09,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:09, skipping insertion in model container [2018-11-18 11:09:09,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:09" (1/1) ... [2018-11-18 11:09:09,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:09:09,803 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:09:09,984 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:09,992 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:09:10,096 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:10,115 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:09:10,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10 WrapperNode [2018-11-18 11:09:10,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:10,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:09:10,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:09:10,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:09:10,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... [2018-11-18 11:09:10,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:09:10,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:09:10,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:09:10,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:09:10,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:09:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:09:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 11:09:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 11:09:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 11:09:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 11:09:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 11:09:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 11:09:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:09:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:09:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:09:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:09:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:09:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:09:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 11:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 11:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:09:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:09:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:09:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:09:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:09:10,836 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:09:10,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:10 BoogieIcfgContainer [2018-11-18 11:09:10,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:09:10,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:09:10,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:09:10,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:09:10,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:09:09" (1/3) ... [2018-11-18 11:09:10,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa343db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:09:10, skipping insertion in model container [2018-11-18 11:09:10,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:10" (2/3) ... [2018-11-18 11:09:10,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa343db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:09:10, skipping insertion in model container [2018-11-18 11:09:10,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:10" (3/3) ... [2018-11-18 11:09:10,841 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:10,846 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:09:10,853 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:09:10,866 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:09:10,892 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:09:10,892 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:09:10,892 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:09:10,892 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:09:10,893 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:09:10,893 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:09:10,893 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:09:10,893 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:09:10,893 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:09:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2018-11-18 11:09:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:09:10,917 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:10,918 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:10,920 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:10,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:10,925 INFO L82 PathProgramCache]: Analyzing trace with hash -498866082, now seen corresponding path program 1 times [2018-11-18 11:09:10,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:10,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:10,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:10,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:10,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:11,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:11,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:09:11,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:09:11,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:09:11,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:09:11,152 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2018-11-18 11:09:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:11,185 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2018-11-18 11:09:11,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:09:11,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:09:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:11,197 INFO L225 Difference]: With dead ends: 284 [2018-11-18 11:09:11,197 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 11:09:11,201 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:09:11,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 11:09:11,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 11:09:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 11:09:11,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-11-18 11:09:11,244 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 46 [2018-11-18 11:09:11,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:11,244 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-11-18 11:09:11,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:09:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-11-18 11:09:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:09:11,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:11,247 INFO L375 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] [2018-11-18 11:09:11,247 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:11,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:11,248 INFO L82 PathProgramCache]: Analyzing trace with hash 410165316, now seen corresponding path program 1 times [2018-11-18 11:09:11,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:11,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:11,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:11,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:11,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:11,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:11,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:09:11,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:09:11,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:09:11,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:11,333 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2018-11-18 11:09:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:11,352 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2018-11-18 11:09:11,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:09:11,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:09:11,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:11,353 INFO L225 Difference]: With dead ends: 231 [2018-11-18 11:09:11,354 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 11:09:11,355 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:11,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 11:09:11,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 11:09:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 11:09:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2018-11-18 11:09:11,365 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 48 [2018-11-18 11:09:11,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:11,365 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2018-11-18 11:09:11,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:09:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2018-11-18 11:09:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:09:11,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:11,367 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:11,367 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:11,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:11,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2075671978, now seen corresponding path program 1 times [2018-11-18 11:09:11,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:11,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:11,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:11,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:11,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:11,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:09:11,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:09:11,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:09:11,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:09:11,489 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand 7 states. [2018-11-18 11:09:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:11,808 INFO L93 Difference]: Finished difference Result 240 states and 283 transitions. [2018-11-18 11:09:11,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:09:11,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 11:09:11,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:11,810 INFO L225 Difference]: With dead ends: 240 [2018-11-18 11:09:11,810 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 11:09:11,811 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:09:11,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 11:09:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 11:09:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 11:09:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 152 transitions. [2018-11-18 11:09:11,821 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 152 transitions. Word has length 52 [2018-11-18 11:09:11,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:11,821 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 152 transitions. [2018-11-18 11:09:11,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:09:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2018-11-18 11:09:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:09:11,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:11,823 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:11,823 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:11,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:11,824 INFO L82 PathProgramCache]: Analyzing trace with hash 2014011082, now seen corresponding path program 1 times [2018-11-18 11:09:11,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:11,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:11,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:11,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:11,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:11,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:09:11,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:09:11,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:09:11,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:09:11,911 INFO L87 Difference]: Start difference. First operand 132 states and 152 transitions. Second operand 5 states. [2018-11-18 11:09:12,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:12,204 INFO L93 Difference]: Finished difference Result 338 states and 405 transitions. [2018-11-18 11:09:12,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:09:12,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-18 11:09:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:12,209 INFO L225 Difference]: With dead ends: 338 [2018-11-18 11:09:12,209 INFO L226 Difference]: Without dead ends: 230 [2018-11-18 11:09:12,211 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:09:12,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-18 11:09:12,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 211. [2018-11-18 11:09:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 11:09:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 240 transitions. [2018-11-18 11:09:12,231 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 240 transitions. Word has length 65 [2018-11-18 11:09:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:12,231 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 240 transitions. [2018-11-18 11:09:12,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:09:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 240 transitions. [2018-11-18 11:09:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 11:09:12,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:12,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:12,235 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:12,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:12,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1414152936, now seen corresponding path program 1 times [2018-11-18 11:09:12,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:12,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:12,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:12,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:12,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:12,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:12,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:09:12,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:09:12,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:09:12,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:09:12,317 INFO L87 Difference]: Start difference. First operand 211 states and 240 transitions. Second operand 6 states. [2018-11-18 11:09:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:12,480 INFO L93 Difference]: Finished difference Result 570 states and 670 transitions. [2018-11-18 11:09:12,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:12,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-18 11:09:12,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:12,484 INFO L225 Difference]: With dead ends: 570 [2018-11-18 11:09:12,484 INFO L226 Difference]: Without dead ends: 383 [2018-11-18 11:09:12,485 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:09:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-18 11:09:12,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 377. [2018-11-18 11:09:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-18 11:09:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 430 transitions. [2018-11-18 11:09:12,508 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 430 transitions. Word has length 79 [2018-11-18 11:09:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:12,508 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 430 transitions. [2018-11-18 11:09:12,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:09:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 430 transitions. [2018-11-18 11:09:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 11:09:12,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:12,510 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:12,510 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:12,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:12,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1218967700, now seen corresponding path program 1 times [2018-11-18 11:09:12,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:12,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:12,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:12,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:12,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:12,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:12,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:09:12,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:09:12,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:09:12,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:09:12,593 INFO L87 Difference]: Start difference. First operand 377 states and 430 transitions. Second operand 7 states. [2018-11-18 11:09:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:12,952 INFO L93 Difference]: Finished difference Result 412 states and 482 transitions. [2018-11-18 11:09:12,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 11:09:12,953 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-11-18 11:09:12,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:12,954 INFO L225 Difference]: With dead ends: 412 [2018-11-18 11:09:12,954 INFO L226 Difference]: Without dead ends: 409 [2018-11-18 11:09:12,955 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:09:12,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-18 11:09:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 377. [2018-11-18 11:09:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-18 11:09:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 429 transitions. [2018-11-18 11:09:12,974 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 429 transitions. Word has length 83 [2018-11-18 11:09:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:12,975 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 429 transitions. [2018-11-18 11:09:12,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:09:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 429 transitions. [2018-11-18 11:09:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:09:12,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:12,976 INFO L375 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] [2018-11-18 11:09:12,977 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:12,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:12,978 INFO L82 PathProgramCache]: Analyzing trace with hash 160384444, now seen corresponding path program 1 times [2018-11-18 11:09:12,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:12,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:12,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:12,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:12,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:13,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:13,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:09:13,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:09:13,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:09:13,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:09:13,032 INFO L87 Difference]: Start difference. First operand 377 states and 429 transitions. Second operand 6 states. [2018-11-18 11:09:13,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:13,062 INFO L93 Difference]: Finished difference Result 744 states and 866 transitions. [2018-11-18 11:09:13,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:09:13,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-18 11:09:13,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:13,064 INFO L225 Difference]: With dead ends: 744 [2018-11-18 11:09:13,065 INFO L226 Difference]: Without dead ends: 391 [2018-11-18 11:09:13,065 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:09:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-11-18 11:09:13,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 387. [2018-11-18 11:09:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-11-18 11:09:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 439 transitions. [2018-11-18 11:09:13,080 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 439 transitions. Word has length 99 [2018-11-18 11:09:13,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:13,081 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 439 transitions. [2018-11-18 11:09:13,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:09:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 439 transitions. [2018-11-18 11:09:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:09:13,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:13,083 INFO L375 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] [2018-11-18 11:09:13,083 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:13,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1053870782, now seen corresponding path program 1 times [2018-11-18 11:09:13,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:13,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:13,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:13,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:13,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:13,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:13,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:09:13,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:09:13,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:09:13,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:09:13,153 INFO L87 Difference]: Start difference. First operand 387 states and 439 transitions. Second operand 8 states. [2018-11-18 11:09:13,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:13,176 INFO L93 Difference]: Finished difference Result 764 states and 888 transitions. [2018-11-18 11:09:13,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:13,177 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-18 11:09:13,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:13,179 INFO L225 Difference]: With dead ends: 764 [2018-11-18 11:09:13,179 INFO L226 Difference]: Without dead ends: 401 [2018-11-18 11:09:13,180 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:09:13,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-18 11:09:13,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-18 11:09:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-18 11:09:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 447 transitions. [2018-11-18 11:09:13,193 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 447 transitions. Word has length 99 [2018-11-18 11:09:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:13,194 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 447 transitions. [2018-11-18 11:09:13,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:09:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 447 transitions. [2018-11-18 11:09:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:09:13,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:13,195 INFO L375 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] [2018-11-18 11:09:13,195 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:13,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:13,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1046111423, now seen corresponding path program 1 times [2018-11-18 11:09:13,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:13,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:13,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:13,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:13,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:13,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:13,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:09:13,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:09:13,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:09:13,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:09:13,258 INFO L87 Difference]: Start difference. First operand 395 states and 447 transitions. Second operand 4 states. [2018-11-18 11:09:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:13,391 INFO L93 Difference]: Finished difference Result 1167 states and 1390 transitions. [2018-11-18 11:09:13,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:09:13,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-18 11:09:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:13,395 INFO L225 Difference]: With dead ends: 1167 [2018-11-18 11:09:13,395 INFO L226 Difference]: Without dead ends: 796 [2018-11-18 11:09:13,395 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:09:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-11-18 11:09:13,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 781. [2018-11-18 11:09:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-18 11:09:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 911 transitions. [2018-11-18 11:09:13,421 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 911 transitions. Word has length 99 [2018-11-18 11:09:13,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:13,421 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 911 transitions. [2018-11-18 11:09:13,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:09:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 911 transitions. [2018-11-18 11:09:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 11:09:13,423 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:13,423 INFO L375 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] [2018-11-18 11:09:13,423 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:13,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1033088313, now seen corresponding path program 1 times [2018-11-18 11:09:13,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:13,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:13,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:13,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:13,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:09:13,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:13,524 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:09:13,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:13,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:09:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:13,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:09:13,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 11:09:13,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 11:09:13,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 11:09:13,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:09:13,854 INFO L87 Difference]: Start difference. First operand 781 states and 911 transitions. Second operand 19 states. [2018-11-18 11:09:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:14,638 INFO L93 Difference]: Finished difference Result 1508 states and 1779 transitions. [2018-11-18 11:09:14,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 11:09:14,639 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-11-18 11:09:14,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:14,641 INFO L225 Difference]: With dead ends: 1508 [2018-11-18 11:09:14,641 INFO L226 Difference]: Without dead ends: 751 [2018-11-18 11:09:14,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 11:09:14,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-11-18 11:09:14,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2018-11-18 11:09:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-18 11:09:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 862 transitions. [2018-11-18 11:09:14,668 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 862 transitions. Word has length 103 [2018-11-18 11:09:14,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:14,669 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 862 transitions. [2018-11-18 11:09:14,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 11:09:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 862 transitions. [2018-11-18 11:09:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:09:14,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:14,672 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:14,672 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:14,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:14,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1863682539, now seen corresponding path program 1 times [2018-11-18 11:09:14,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:14,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:14,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:14,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:14,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:09:14,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:14,785 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:09:14,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:14,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:09:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:14,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:09:14,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-18 11:09:14,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 11:09:14,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 11:09:14,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 11:09:14,950 INFO L87 Difference]: Start difference. First operand 751 states and 862 transitions. Second operand 14 states. [2018-11-18 11:09:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:16,223 INFO L93 Difference]: Finished difference Result 2266 states and 2938 transitions. [2018-11-18 11:09:16,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 11:09:16,224 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-11-18 11:09:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:16,228 INFO L225 Difference]: With dead ends: 2266 [2018-11-18 11:09:16,228 INFO L226 Difference]: Without dead ends: 1661 [2018-11-18 11:09:16,230 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-18 11:09:16,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2018-11-18 11:09:16,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1418. [2018-11-18 11:09:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2018-11-18 11:09:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1646 transitions. [2018-11-18 11:09:16,279 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1646 transitions. Word has length 157 [2018-11-18 11:09:16,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:16,279 INFO L480 AbstractCegarLoop]: Abstraction has 1418 states and 1646 transitions. [2018-11-18 11:09:16,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 11:09:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1646 transitions. [2018-11-18 11:09:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:09:16,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:16,282 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:16,282 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:16,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:16,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1588922925, now seen corresponding path program 1 times [2018-11-18 11:09:16,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:09:16,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:09:16,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:16,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:16,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:09:16,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:16,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 11:09:16,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:09:16,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:09:16,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:09:16,361 INFO L87 Difference]: Start difference. First operand 1418 states and 1646 transitions. Second operand 9 states. [2018-11-18 11:09:16,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:16,400 INFO L93 Difference]: Finished difference Result 1809 states and 2101 transitions. [2018-11-18 11:09:16,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:09:16,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-18 11:09:16,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:16,401 INFO L225 Difference]: With dead ends: 1809 [2018-11-18 11:09:16,401 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:09:16,403 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:09:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:09:16,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:09:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:09:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:09:16,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-18 11:09:16,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:16,404 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:09:16,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:09:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:09:16,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:09:16,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:09:16,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:16,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:09:17,148 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-11-18 11:09:18,128 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2018-11-18 11:09:18,519 INFO L425 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2018-11-18 11:09:18,519 INFO L425 ceAbstractionStarter]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2018-11-18 11:09:18,519 INFO L425 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2018-11-18 11:09:18,519 INFO L425 ceAbstractionStarter]: For program point L184-1(lines 184 205) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L184-3(lines 184 205) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L206(lines 183 207) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L267(lines 240 268) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L241-1(lines 241 266) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L241-3(lines 241 266) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2018-11-18 11:09:18,520 INFO L425 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-18 11:09:18,521 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-18 11:09:18,521 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-18 11:09:18,521 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-18 11:09:18,521 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-18 11:09:18,521 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-18 11:09:18,521 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,521 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-11-18 11:09:18,521 INFO L421 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,521 INFO L421 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,521 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,522 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,522 INFO L421 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-11-18 11:09:18,522 INFO L425 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-11-18 11:09:18,523 INFO L428 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-11-18 11:09:18,523 INFO L425 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L708(lines 708 716) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:09:18,524 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-18 11:09:18,524 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 460) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L425 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-18 11:09:18,525 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L428 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-11-18 11:09:18,526 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-11-18 11:09:18,526 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or (or (< ~waterLevel~0 2) .cse3 .cse5) .cse4))) [2018-11-18 11:09:18,527 INFO L425 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-11-18 11:09:18,527 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-18 11:09:18,527 INFO L421 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 11:09:18,527 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,527 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-11-18 11:09:18,527 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,527 INFO L425 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-18 11:09:18,527 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-11-18 11:09:18,527 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-11-18 11:09:18,527 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-11-18 11:09:18,527 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,528 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-11-18 11:09:18,528 INFO L421 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:09:18,528 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-11-18 11:09:18,528 INFO L421 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:09:18,528 INFO L425 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-11-18 11:09:18,528 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-11-18 11:09:18,528 INFO L421 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:09:18,528 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-18 11:09:18,528 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-18 11:09:18,528 INFO L421 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:09:18,529 INFO L421 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 487 532) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 414) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2018-11-18 11:09:18,529 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 924) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2018-11-18 11:09:18,530 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L347(lines 325 348) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 322) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L327(lines 326 346) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 364) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 376) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2018-11-18 11:09:18,531 INFO L425 ceAbstractionStarter]: For program point L326-1(lines 326 346) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point L326-3(lines 326 346) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L421 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,532 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-11-18 11:09:18,532 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L428 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (or (< ~waterLevel~0 2) .cse2 .cse3)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2))) [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-18 11:09:18,533 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-11-18 11:09:18,534 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-18 11:09:18,534 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-18 11:09:18,534 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse1 (and .cse2 .cse7) .cse3 .cse8 .cse5) (or .cse0 .cse1 .cse7 .cse3 .cse8) (or (or .cse1 .cse4 .cse3 .cse5) .cse2) (or (or .cse0 .cse4 .cse3) .cse6)))) [2018-11-18 11:09:18,534 INFO L421 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1))) (let ((.cse0 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9 .cse10)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse10)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse0 (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or .cse8 .cse7 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse9) (or .cse8 .cse3 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2))))) [2018-11-18 11:09:18,534 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse0 .cse3 .cse6 .cse4))) [2018-11-18 11:09:18,534 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-11-18 11:09:18,534 INFO L425 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-11-18 11:09:18,534 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-11-18 11:09:18,534 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-11-18 11:09:18,534 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L428 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point L775-1(lines 775 789) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L428 ceAbstractionStarter]: At program point L775-3(lines 775 789) the Hoare annotation is: true [2018-11-18 11:09:18,535 INFO L428 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-11-18 11:09:18,535 INFO L428 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-11-18 11:09:18,535 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-11-18 11:09:18,536 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,536 INFO L421 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)) [2018-11-18 11:09:18,536 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:09:18,536 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:18,536 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 11:09:18,536 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-11-18 11:09:18,536 INFO L421 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,536 INFO L425 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-11-18 11:09:18,536 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 11:09:18,536 INFO L421 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,536 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse1 .cse3)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse2 .cse3 .cse5) (or .cse2 .cse6 (< |old(~waterLevel~0)| 1) .cse5) (or .cse0 .cse6 .cse4 .cse2)))) [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-11-18 11:09:18,537 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-18 11:09:18,538 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:09:18,538 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-18 11:09:18,538 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-18 11:09:18,538 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 11:09:18,538 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 11:09:18,538 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-18 11:09:18,538 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-18 11:09:18,538 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-18 11:09:18,538 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-18 11:09:18,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:09:18 BoogieIcfgContainer [2018-11-18 11:09:18,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:09:18,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:09:18,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:09:18,548 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:09:18,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:10" (3/4) ... [2018-11-18 11:09:18,552 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 11:09:18,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 11:09:18,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:09:18,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:09:18,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:09:18,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:09:18,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:09:18,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 11:09:18,566 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 11:09:18,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:09:18,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:09:18,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:09:18,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:09:18,637 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2efdf5be-c1ae-4583-a3ae-ece31bfd5e80/bin-2019/uautomizer/witness.graphml [2018-11-18 11:09:18,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:09:18,638 INFO L168 Benchmark]: Toolchain (without parser) took 8877.84 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 428.9 MB). Free memory was 956.6 MB in the beginning and 972.6 MB in the end (delta: -16.1 MB). Peak memory consumption was 412.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:18,638 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:09:18,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:18,639 INFO L168 Benchmark]: Boogie Preprocessor took 50.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:18,639 INFO L168 Benchmark]: RCFGBuilder took 670.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 90.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:18,639 INFO L168 Benchmark]: TraceAbstraction took 7710.55 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 263.2 MB). Free memory was 1.1 GB in the beginning and 984.3 MB in the end (delta: 71.3 MB). Peak memory consumption was 387.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:18,639 INFO L168 Benchmark]: Witness Printer took 89.20 ms. Allocated memory is still 1.5 GB. Free memory was 984.3 MB in the beginning and 972.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:18,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 670.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 90.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7710.55 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 263.2 MB). Free memory was 1.1 GB in the beginning and 984.3 MB in the end (delta: 71.3 MB). Peak memory consumption was 387.1 MB. Max. memory is 11.5 GB. * Witness Printer took 89.20 ms. Allocated memory is still 1.5 GB. Free memory was 984.3 MB in the beginning and 972.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 247 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2165 SDtfs, 1801 SDslu, 6733 SDs, 0 SdLazy, 3938 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 416 GetRequests, 304 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1418occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 325 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1979 PreInvPairs, 2048 NumberOfFragments, 1918 HoareAnnotationTreeSize, 1979 FomulaSimplifications, 5671 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7049 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1347 NumberOfCodeBlocks, 1347 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1333 ConstructedInterpolants, 0 QuantifiedInterpolants, 244495 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1434 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 114/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...