./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:49:27,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:49:27,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:49:27,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:49:27,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:49:27,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:49:27,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:49:27,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:49:27,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:49:27,272 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:49:27,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:49:27,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:49:27,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:49:27,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:49:27,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:49:27,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:49:27,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:49:27,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:49:27,279 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:49:27,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:49:27,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:49:27,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:49:27,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:49:27,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:49:27,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:49:27,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:49:27,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:49:27,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:49:27,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:49:27,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:49:27,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:49:27,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:49:27,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:49:27,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:49:27,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:49:27,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:49:27,291 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:49:27,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:49:27,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:49:27,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:49:27,302 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:49:27,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:49:27,303 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:49:27,303 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:49:27,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:49:27,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:49:27,305 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:49:27,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:49:27,305 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:49:27,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:49:27,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:49:27,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:49:27,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:49:27,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:49:27,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:49:27,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:49:27,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:49:27,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:49:27,307 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:49:27,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:49:27,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:49:27,307 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_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-11-28 12:49:27,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:49:27,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:49:27,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:49:27,343 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:49:27,343 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:49:27,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-28 12:49:27,385 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/data/fb12d8f87/45b81f04b4b74ff3b9ba44b194202656/FLAGa329a1096 [2018-11-28 12:49:27,769 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:49:27,770 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-28 12:49:27,780 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/data/fb12d8f87/45b81f04b4b74ff3b9ba44b194202656/FLAGa329a1096 [2018-11-28 12:49:28,170 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/data/fb12d8f87/45b81f04b4b74ff3b9ba44b194202656 [2018-11-28 12:49:28,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:49:28,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:49:28,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:49:28,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:49:28,178 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:49:28,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f17983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28, skipping insertion in model container [2018-11-28 12:49:28,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:49:28,218 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:49:28,431 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:49:28,444 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:49:28,548 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:49:28,570 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:49:28,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28 WrapperNode [2018-11-28 12:49:28,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:49:28,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:49:28,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:49:28,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:49:28,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:49:28,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:49:28,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:49:28,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:49:28,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... [2018-11-28 12:49:28,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:49:28,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:49:28,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:49:28,628 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:49:28,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:49:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:49:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:49:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:49:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:49:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:49:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:49:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:49:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:49:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:49:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:49:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:49:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:49:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:49:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:49:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:49:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:49:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:49:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:49:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:49:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:49:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:49:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:49:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:49:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:49:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:49:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:49:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:49:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:49:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:49:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:49:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:49:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:49:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:49:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:49:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:49:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:49:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:49:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:49:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:49:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:49:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:49:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:49:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:49:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:49:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:49:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:49:29,058 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:49:29,059 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:49:29,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:29 BoogieIcfgContainer [2018-11-28 12:49:29,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:49:29,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:49:29,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:49:29,063 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:49:29,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:49:28" (1/3) ... [2018-11-28 12:49:29,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ccc520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:49:29, skipping insertion in model container [2018-11-28 12:49:29,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:28" (2/3) ... [2018-11-28 12:49:29,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ccc520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:49:29, skipping insertion in model container [2018-11-28 12:49:29,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:29" (3/3) ... [2018-11-28 12:49:29,067 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-28 12:49:29,075 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:49:29,081 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:49:29,093 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:49:29,111 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:49:29,111 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:49:29,112 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:49:29,112 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:49:29,112 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:49:29,112 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:49:29,112 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:49:29,112 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:49:29,112 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:49:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-28 12:49:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:49:29,136 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:29,136 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:29,138 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:29,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:29,142 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-11-28 12:49:29,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:29,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:29,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:29,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:29,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:29,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:49:29,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:49:29,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:49:29,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:49:29,336 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-28 12:49:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:29,361 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-28 12:49:29,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:49:29,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 12:49:29,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:29,369 INFO L225 Difference]: With dead ends: 260 [2018-11-28 12:49:29,369 INFO L226 Difference]: Without dead ends: 132 [2018-11-28 12:49:29,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:49:29,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-28 12:49:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-28 12:49:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-28 12:49:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-11-28 12:49:29,401 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-11-28 12:49:29,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:29,401 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-11-28 12:49:29,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:49:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-11-28 12:49:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:49:29,404 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:29,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:29,404 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:29,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:29,405 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-11-28 12:49:29,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:29,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:29,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:29,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:29,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:29,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:49:29,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:49:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:49:29,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:49:29,488 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-11-28 12:49:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:29,506 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-11-28 12:49:29,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:49:29,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 12:49:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:29,508 INFO L225 Difference]: With dead ends: 205 [2018-11-28 12:49:29,508 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 12:49:29,509 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:49:29,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 12:49:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 12:49:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 12:49:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-11-28 12:49:29,521 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-11-28 12:49:29,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:29,521 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-11-28 12:49:29,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:49:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-11-28 12:49:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:49:29,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:29,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:29,523 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:29,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:29,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-11-28 12:49:29,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:29,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:29,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:29,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:29,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:29,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:49:29,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:49:29,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:49:29,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:49:29,628 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-11-28 12:49:29,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:29,812 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-11-28 12:49:29,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:49:29,813 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 12:49:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:29,814 INFO L225 Difference]: With dead ends: 218 [2018-11-28 12:49:29,815 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 12:49:29,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:49:29,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 12:49:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 12:49:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 12:49:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-11-28 12:49:29,826 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-11-28 12:49:29,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:29,827 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-11-28 12:49:29,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:49:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-11-28 12:49:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 12:49:29,832 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:29,833 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:29,833 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:29,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:29,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-11-28 12:49:29,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:29,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:29,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:29,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:29,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:29,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:49:29,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:49:29,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:49:29,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:49:29,921 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-11-28 12:49:30,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:30,216 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-11-28 12:49:30,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:49:30,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 12:49:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:30,219 INFO L225 Difference]: With dead ends: 319 [2018-11-28 12:49:30,219 INFO L226 Difference]: Without dead ends: 224 [2018-11-28 12:49:30,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:49:30,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-11-28 12:49:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-11-28 12:49:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-28 12:49:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-11-28 12:49:30,242 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-11-28 12:49:30,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:30,243 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-11-28 12:49:30,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:49:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-11-28 12:49:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:49:30,245 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:30,245 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:30,245 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:30,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:30,245 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-11-28 12:49:30,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:30,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:30,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:30,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:30,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:30,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:30,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:49:30,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:49:30,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:49:30,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:49:30,322 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-11-28 12:49:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:30,441 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-11-28 12:49:30,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:49:30,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 12:49:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:30,445 INFO L225 Difference]: With dead ends: 541 [2018-11-28 12:49:30,445 INFO L226 Difference]: Without dead ends: 364 [2018-11-28 12:49:30,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:49:30,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-28 12:49:30,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-11-28 12:49:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-11-28 12:49:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-11-28 12:49:30,472 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-11-28 12:49:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:30,473 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-11-28 12:49:30,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:49:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-11-28 12:49:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 12:49:30,475 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:30,475 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:30,475 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:30,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:30,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-11-28 12:49:30,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:30,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:30,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:30,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:30,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:30,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:30,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:49:30,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:49:30,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:49:30,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:49:30,595 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-11-28 12:49:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:31,069 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-11-28 12:49:31,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:49:31,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-28 12:49:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:31,073 INFO L225 Difference]: With dead ends: 719 [2018-11-28 12:49:31,073 INFO L226 Difference]: Without dead ends: 389 [2018-11-28 12:49:31,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:49:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-11-28 12:49:31,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-11-28 12:49:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-11-28 12:49:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-11-28 12:49:31,100 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-11-28 12:49:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:31,100 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-11-28 12:49:31,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:49:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-11-28 12:49:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:49:31,102 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:31,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:31,102 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:31,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:31,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-11-28 12:49:31,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:31,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:31,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:31,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:31,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:31,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:49:31,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:49:31,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:49:31,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:49:31,159 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-11-28 12:49:31,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:31,195 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-11-28 12:49:31,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:49:31,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 12:49:31,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:31,197 INFO L225 Difference]: With dead ends: 696 [2018-11-28 12:49:31,197 INFO L226 Difference]: Without dead ends: 367 [2018-11-28 12:49:31,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:49:31,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-11-28 12:49:31,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-11-28 12:49:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-28 12:49:31,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-11-28 12:49:31,218 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-11-28 12:49:31,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:31,218 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-11-28 12:49:31,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:49:31,218 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-11-28 12:49:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:49:31,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:31,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:31,220 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:31,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:31,220 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-11-28 12:49:31,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:31,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:31,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:31,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:31,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:31,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:49:31,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:49:31,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:49:31,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:49:31,300 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-11-28 12:49:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:31,333 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-11-28 12:49:31,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:49:31,334 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-28 12:49:31,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:31,336 INFO L225 Difference]: With dead ends: 720 [2018-11-28 12:49:31,336 INFO L226 Difference]: Without dead ends: 381 [2018-11-28 12:49:31,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:49:31,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-28 12:49:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-11-28 12:49:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-28 12:49:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-11-28 12:49:31,355 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-11-28 12:49:31,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:31,356 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-11-28 12:49:31,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:49:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-11-28 12:49:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:49:31,357 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:31,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:31,357 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:31,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:31,357 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-11-28 12:49:31,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:31,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:31,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:31,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:31,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:31,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:49:31,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:49:31,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:49:31,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:49:31,419 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-11-28 12:49:31,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:31,588 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-11-28 12:49:31,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:49:31,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-28 12:49:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:31,593 INFO L225 Difference]: With dead ends: 1132 [2018-11-28 12:49:31,593 INFO L226 Difference]: Without dead ends: 785 [2018-11-28 12:49:31,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:49:31,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-11-28 12:49:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-11-28 12:49:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-28 12:49:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-11-28 12:49:31,635 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-11-28 12:49:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:31,635 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-11-28 12:49:31,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:49:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-11-28 12:49:31,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 12:49:31,637 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:31,637 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:31,637 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:31,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:31,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-11-28 12:49:31,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:31,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:31,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:31,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:31,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:31,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:49:31,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:49:31,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:49:31,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:49:31,690 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-11-28 12:49:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:31,767 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-11-28 12:49:31,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:49:31,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-28 12:49:31,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:31,774 INFO L225 Difference]: With dead ends: 776 [2018-11-28 12:49:31,774 INFO L226 Difference]: Without dead ends: 773 [2018-11-28 12:49:31,775 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:49:31,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-28 12:49:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-11-28 12:49:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-11-28 12:49:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-11-28 12:49:31,817 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-11-28 12:49:31,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:31,818 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-11-28 12:49:31,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:49:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-11-28 12:49:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 12:49:31,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:31,821 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:31,821 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:31,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:31,821 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-11-28 12:49:31,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:31,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:31,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:31,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:49:31,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:31,982 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:49:31,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:32,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:49:32,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:49:32,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:49:32,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:49:32,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:49:32,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:49:32,373 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 19 states. [2018-11-28 12:49:32,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:32,921 INFO L93 Difference]: Finished difference Result 1203 states and 1382 transitions. [2018-11-28 12:49:32,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:49:32,921 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-11-28 12:49:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:32,923 INFO L225 Difference]: With dead ends: 1203 [2018-11-28 12:49:32,923 INFO L226 Difference]: Without dead ends: 584 [2018-11-28 12:49:32,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:49:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-11-28 12:49:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 555. [2018-11-28 12:49:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-11-28 12:49:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 623 transitions. [2018-11-28 12:49:32,951 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 623 transitions. Word has length 152 [2018-11-28 12:49:32,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:32,951 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 623 transitions. [2018-11-28 12:49:32,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:49:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 623 transitions. [2018-11-28 12:49:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 12:49:32,954 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:32,954 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:32,954 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:32,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:32,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-11-28 12:49:32,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:32,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:32,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:32,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:32,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 12:49:33,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:33,022 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:49:33,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:33,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:33,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:49:33,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 12:49:33,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:49:33,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:49:33,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:49:33,148 INFO L87 Difference]: Start difference. First operand 555 states and 623 transitions. Second operand 8 states. [2018-11-28 12:49:33,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:33,203 INFO L93 Difference]: Finished difference Result 891 states and 1009 transitions. [2018-11-28 12:49:33,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:49:33,204 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-28 12:49:33,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:33,205 INFO L225 Difference]: With dead ends: 891 [2018-11-28 12:49:33,205 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:49:33,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:49:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:49:33,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:49:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:49:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:49:33,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-11-28 12:49:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:33,207 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:49:33,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:49:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:49:33,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:49:33,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:49:33,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:33,704 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-11-28 12:49:34,409 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-28 12:49:35,097 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-11-28 12:49:35,613 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-11-28 12:49:35,613 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-11-28 12:49:35,613 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-28 12:49:35,614 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-11-28 12:49:35,614 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-28 12:49:35,614 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,614 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,614 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,614 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-11-28 12:49:35,614 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-11-28 12:49:35,614 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 12:49:35,614 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-11-28 12:49:35,614 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,615 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,615 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,615 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-11-28 12:49:35,615 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-11-28 12:49:35,615 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-11-28 12:49:35,615 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-11-28 12:49:35,615 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-11-28 12:49:35,615 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-11-28 12:49:35,615 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,615 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,615 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-11-28 12:49:35,615 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-11-28 12:49:35,616 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-11-28 12:49:35,616 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-28 12:49:35,617 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-11-28 12:49:35,617 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-11-28 12:49:35,617 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-11-28 12:49:35,617 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse4 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-11-28 12:49:35,617 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1) .cse2) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-11-28 12:49:35,617 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-11-28 12:49:35,617 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-11-28 12:49:35,617 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-28 12:49:35,617 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-28 12:49:35,617 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-11-28 12:49:35,618 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-11-28 12:49:35,618 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,618 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-28 12:49:35,618 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-28 12:49:35,618 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-11-28 12:49:35,618 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-11-28 12:49:35,618 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-11-28 12:49:35,618 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-11-28 12:49:35,618 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:49:35,618 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-11-28 12:49:35,619 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-11-28 12:49:35,619 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-28 12:49:35,619 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-28 12:49:35,619 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-28 12:49:35,620 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-28 12:49:35,620 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-28 12:49:35,620 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-11-28 12:49:35,620 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-28 12:49:35,620 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-28 12:49:35,620 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-11-28 12:49:35,620 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-11-28 12:49:35,620 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-11-28 12:49:35,620 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-28 12:49:35,620 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-11-28 12:49:35,621 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-11-28 12:49:35,622 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-11-28 12:49:35,622 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-11-28 12:49:35,622 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-11-28 12:49:35,623 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-28 12:49:35,623 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-11-28 12:49:35,623 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 .cse4 .cse5)))) [2018-11-28 12:49:35,623 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-28 12:49:35,623 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-11-28 12:49:35,623 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-11-28 12:49:35,623 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-11-28 12:49:35,623 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-11-28 12:49:35,623 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 12:49:35,624 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-11-28 12:49:35,624 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-11-28 12:49:35,624 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 12:49:35,625 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-11-28 12:49:35,625 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-11-28 12:49:35,625 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-11-28 12:49:35,625 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-11-28 12:49:35,625 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-11-28 12:49:35,626 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-28 12:49:35,626 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:49:35,626 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 12:49:35,626 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 12:49:35,626 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:49:35,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:49:35 BoogieIcfgContainer [2018-11-28 12:49:35,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:49:35,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:49:35,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:49:35,637 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:49:35,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:29" (3/4) ... [2018-11-28 12:49:35,640 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:49:35,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:49:35,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:49:35,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:49:35,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:49:35,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:49:35,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:49:35,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 12:49:35,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:49:35,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:49:35,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:49:35,655 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:49:35,655 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:49:35,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-11-28 12:49:35,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:49:35,710 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eece23a9-c34f-4985-870a-7d7263e77243/bin-2019/uautomizer/witness.graphml [2018-11-28 12:49:35,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:49:35,710 INFO L168 Benchmark]: Toolchain (without parser) took 7537.53 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.8 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -279.7 MB). Peak memory consumption was 148.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:35,711 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:49:35,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:35,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:49:35,711 INFO L168 Benchmark]: Boogie Preprocessor took 29.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:35,712 INFO L168 Benchmark]: RCFGBuilder took 431.86 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:35,712 INFO L168 Benchmark]: TraceAbstraction took 6576.37 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 271.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.6 MB). Peak memory consumption was 429.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:35,712 INFO L168 Benchmark]: Witness Printer took 72.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:35,714 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.86 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6576.37 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 271.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.6 MB). Peak memory consumption was 429.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1971 SDtfs, 1213 SDslu, 5739 SDs, 0 SdLazy, 2001 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1349 PreInvPairs, 1406 NumberOfFragments, 2490 HoareAnnotationTreeSize, 1349 FomulaSimplifications, 5804 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7440 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 253346 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 186/194 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...