./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/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 81d3a03e2badb1d355e733e1f917b69305964186 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:36:30,608 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:36:30,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:36:30,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:36:30,616 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:36:30,616 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:36:30,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:36:30,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:36:30,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:36:30,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:36:30,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:36:30,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:36:30,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:36:30,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:36:30,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:36:30,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:36:30,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:36:30,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:36:30,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:36:30,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:36:30,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:36:30,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:36:30,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:36:30,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:36:30,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:36:30,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:36:30,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:36:30,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:36:30,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:36:30,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:36:30,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:36:30,632 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:36:30,632 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:36:30,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:36:30,633 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:36:30,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:36:30,634 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:36:30,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:36:30,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:36:30,642 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:36:30,642 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:36:30,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:36:30,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:36:30,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:36:30,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:36:30,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:36:30,644 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:36:30,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:36:30,644 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:36:30,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:36:30,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:36:30,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:36:30,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:36:30,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:36:30,646 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_98012d97-3fb1-4547-b8ae-7c87503f2609/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-11-23 15:36:30,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:36:30,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:36:30,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:36:30,682 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:36:30,682 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:36:30,683 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-23 15:36:30,727 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/data/4f417b717/c74061152e7e41cb8167670f63f6d232/FLAGa55649094 [2018-11-23 15:36:31,096 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:36:31,097 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-23 15:36:31,106 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/data/4f417b717/c74061152e7e41cb8167670f63f6d232/FLAGa55649094 [2018-11-23 15:36:31,485 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/data/4f417b717/c74061152e7e41cb8167670f63f6d232 [2018-11-23 15:36:31,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:36:31,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:36:31,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:36:31,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:36:31,493 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:36:31,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5049c403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31, skipping insertion in model container [2018-11-23 15:36:31,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:36:31,533 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:36:31,725 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:36:31,734 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:36:31,834 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:36:31,853 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:36:31,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31 WrapperNode [2018-11-23 15:36:31,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:36:31,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:36:31,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:36:31,854 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:36:31,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:36:31,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:36:31,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:36:31,881 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:36:31,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... [2018-11-23 15:36:31,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:36:31,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:36:31,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:36:31,908 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:36:31,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/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 [2018-11-23 15:36:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 15:36:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 15:36:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:36:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:36:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 15:36:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 15:36:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:36:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 15:36:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 15:36:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 15:36:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 15:36:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 15:36:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 15:36:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 15:36:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 15:36:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 15:36:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 15:36:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 15:36:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 15:36:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 15:36:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 15:36:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 15:36:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 15:36:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 15:36:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 15:36:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 15:36:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 15:36:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 15:36:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 15:36:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 15:36:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 15:36:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 15:36:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 15:36:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:36:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:36:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 15:36:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 15:36:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 15:36:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 15:36:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 15:36:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 15:36:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 15:36:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 15:36:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 15:36:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 15:36:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 15:36:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 15:36:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:36:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:36:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:36:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 15:36:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 15:36:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 15:36:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 15:36:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 15:36:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 15:36:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:36:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:36:32,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:36:32,416 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 15:36:32,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:32 BoogieIcfgContainer [2018-11-23 15:36:32,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:36:32,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:36:32,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:36:32,420 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:36:32,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:36:31" (1/3) ... [2018-11-23 15:36:32,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d750d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:32, skipping insertion in model container [2018-11-23 15:36:32,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31" (2/3) ... [2018-11-23 15:36:32,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d750d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:32, skipping insertion in model container [2018-11-23 15:36:32,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:32" (3/3) ... [2018-11-23 15:36:32,423 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-23 15:36:32,432 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:36:32,439 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:36:32,453 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:36:32,478 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:36:32,478 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:36:32,478 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:36:32,479 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:36:32,479 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:36:32,479 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:36:32,479 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:36:32,479 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:36:32,479 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:36:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-23 15:36:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 15:36:32,503 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:32,504 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] [2018-11-23 15:36:32,506 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:32,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:32,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1160720793, now seen corresponding path program 1 times [2018-11-23 15:36:32,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:32,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:32,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:32,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:32,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:32,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:32,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:36:32,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:36:32,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:36:32,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:36:32,713 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-23 15:36:32,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:32,742 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-11-23 15:36:32,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:36:32,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 15:36:32,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:32,750 INFO L225 Difference]: With dead ends: 268 [2018-11-23 15:36:32,750 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 15:36:32,753 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 [2018-11-23 15:36:32,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 15:36:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 15:36:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 15:36:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-11-23 15:36:32,789 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2018-11-23 15:36:32,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:32,789 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-11-23 15:36:32,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:36:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-11-23 15:36:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:36:32,792 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:32,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:36:32,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:32,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:32,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1969471298, now seen corresponding path program 1 times [2018-11-23 15:36:32,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:32,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:32,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:32,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:32,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:32,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:32,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:36:32,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:36:32,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:36:32,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:36:32,874 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-11-23 15:36:32,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:32,893 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-11-23 15:36:32,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:36:32,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 15:36:32,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:32,895 INFO L225 Difference]: With dead ends: 217 [2018-11-23 15:36:32,895 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 15:36:32,896 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 [2018-11-23 15:36:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 15:36:32,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 15:36:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 15:36:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-11-23 15:36:32,904 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-11-23 15:36:32,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:32,904 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-11-23 15:36:32,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:36:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-11-23 15:36:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 15:36:32,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:32,905 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] [2018-11-23 15:36:32,905 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:32,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:32,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1167765115, now seen corresponding path program 1 times [2018-11-23 15:36:32,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:32,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:32,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:32,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:32,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:33,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:33,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:36:33,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:36:33,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:36:33,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:36:33,030 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-11-23 15:36:33,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:33,263 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-11-23 15:36:33,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:36:33,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 15:36:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:33,265 INFO L225 Difference]: With dead ends: 226 [2018-11-23 15:36:33,265 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 15:36:33,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:36:33,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 15:36:33,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 15:36:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 15:36:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-11-23 15:36:33,276 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-11-23 15:36:33,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:33,276 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-11-23 15:36:33,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:36:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-11-23 15:36:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 15:36:33,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:33,279 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] [2018-11-23 15:36:33,280 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:33,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:33,281 INFO L82 PathProgramCache]: Analyzing trace with hash 203465218, now seen corresponding path program 1 times [2018-11-23 15:36:33,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:33,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:33,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:33,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:33,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:33,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:33,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:36:33,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:36:33,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:36:33,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:36:33,358 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-11-23 15:36:33,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:33,748 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2018-11-23 15:36:33,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:36:33,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 15:36:33,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:33,750 INFO L225 Difference]: With dead ends: 332 [2018-11-23 15:36:33,750 INFO L226 Difference]: Without dead ends: 231 [2018-11-23 15:36:33,750 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 [2018-11-23 15:36:33,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-11-23 15:36:33,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2018-11-23 15:36:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-23 15:36:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-11-23 15:36:33,771 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2018-11-23 15:36:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:33,772 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-11-23 15:36:33,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:36:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-11-23 15:36:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:36:33,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:33,774 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] [2018-11-23 15:36:33,774 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:33,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:33,775 INFO L82 PathProgramCache]: Analyzing trace with hash -944503591, now seen corresponding path program 1 times [2018-11-23 15:36:33,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:33,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:33,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:33,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:33,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:33,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:33,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 15:36:33,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:36:33,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:36:33,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:36:33,884 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 8 states. [2018-11-23 15:36:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:33,918 INFO L93 Difference]: Finished difference Result 409 states and 479 transitions. [2018-11-23 15:36:33,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:36:33,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-23 15:36:33,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:33,920 INFO L225 Difference]: With dead ends: 409 [2018-11-23 15:36:33,920 INFO L226 Difference]: Without dead ends: 220 [2018-11-23 15:36:33,921 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 [2018-11-23 15:36:33,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-23 15:36:33,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2018-11-23 15:36:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-23 15:36:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2018-11-23 15:36:33,937 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 84 [2018-11-23 15:36:33,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:33,938 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2018-11-23 15:36:33,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:36:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2018-11-23 15:36:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:36:33,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:33,939 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] [2018-11-23 15:36:33,939 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:33,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:33,940 INFO L82 PathProgramCache]: Analyzing trace with hash -100498089, now seen corresponding path program 1 times [2018-11-23 15:36:33,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:33,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:33,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:33,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:33,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:34,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:34,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:36:34,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:36:34,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:36:34,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:36:34,021 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand 6 states. [2018-11-23 15:36:34,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:34,116 INFO L93 Difference]: Finished difference Result 522 states and 626 transitions. [2018-11-23 15:36:34,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:36:34,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 15:36:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:34,119 INFO L225 Difference]: With dead ends: 522 [2018-11-23 15:36:34,119 INFO L226 Difference]: Without dead ends: 329 [2018-11-23 15:36:34,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:36:34,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-23 15:36:34,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-11-23 15:36:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-11-23 15:36:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 376 transitions. [2018-11-23 15:36:34,137 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 376 transitions. Word has length 84 [2018-11-23 15:36:34,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:34,137 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 376 transitions. [2018-11-23 15:36:34,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:36:34,137 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 376 transitions. [2018-11-23 15:36:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 15:36:34,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:34,138 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] [2018-11-23 15:36:34,138 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:34,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:34,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826833, now seen corresponding path program 1 times [2018-11-23 15:36:34,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:34,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:34,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:34,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:34,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:34,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:36:34,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:36:34,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:36:34,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:36:34,234 INFO L87 Difference]: Start difference. First operand 325 states and 376 transitions. Second operand 6 states. [2018-11-23 15:36:34,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:34,399 INFO L93 Difference]: Finished difference Result 702 states and 847 transitions. [2018-11-23 15:36:34,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:36:34,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 15:36:34,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:34,403 INFO L225 Difference]: With dead ends: 702 [2018-11-23 15:36:34,404 INFO L226 Difference]: Without dead ends: 509 [2018-11-23 15:36:34,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:36:34,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-11-23 15:36:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2018-11-23 15:36:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-11-23 15:36:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2018-11-23 15:36:34,444 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2018-11-23 15:36:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:34,445 INFO L480 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2018-11-23 15:36:34,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:36:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2018-11-23 15:36:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 15:36:34,446 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:34,446 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] [2018-11-23 15:36:34,446 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:34,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:34,447 INFO L82 PathProgramCache]: Analyzing trace with hash 334137748, now seen corresponding path program 1 times [2018-11-23 15:36:34,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:34,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:34,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:34,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:34,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:34,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 15:36:34,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:36:34,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:36:34,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:36:34,516 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2018-11-23 15:36:34,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:34,571 INFO L93 Difference]: Finished difference Result 866 states and 1039 transitions. [2018-11-23 15:36:34,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 15:36:34,571 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-23 15:36:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:34,574 INFO L225 Difference]: With dead ends: 866 [2018-11-23 15:36:34,574 INFO L226 Difference]: Without dead ends: 507 [2018-11-23 15:36:34,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:36:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-11-23 15:36:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 504. [2018-11-23 15:36:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-11-23 15:36:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 596 transitions. [2018-11-23 15:36:34,604 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 596 transitions. Word has length 88 [2018-11-23 15:36:34,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:34,605 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 596 transitions. [2018-11-23 15:36:34,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:36:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 596 transitions. [2018-11-23 15:36:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 15:36:34,606 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:34,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:36:34,607 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:34,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:34,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1178143250, now seen corresponding path program 1 times [2018-11-23 15:36:34,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:34,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:34,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:34,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:34,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:34,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:36:34,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:36:34,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:36:34,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:36:34,651 INFO L87 Difference]: Start difference. First operand 504 states and 596 transitions. Second operand 5 states. [2018-11-23 15:36:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:34,709 INFO L93 Difference]: Finished difference Result 861 states and 1039 transitions. [2018-11-23 15:36:34,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:36:34,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-23 15:36:34,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:34,713 INFO L225 Difference]: With dead ends: 861 [2018-11-23 15:36:34,713 INFO L226 Difference]: Without dead ends: 489 [2018-11-23 15:36:34,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:36:34,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-23 15:36:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-11-23 15:36:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-11-23 15:36:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 576 transitions. [2018-11-23 15:36:34,741 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 576 transitions. Word has length 88 [2018-11-23 15:36:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:34,741 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 576 transitions. [2018-11-23 15:36:34,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:36:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 576 transitions. [2018-11-23 15:36:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 15:36:34,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:34,743 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] [2018-11-23 15:36:34,743 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:34,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:34,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1853727931, now seen corresponding path program 1 times [2018-11-23 15:36:34,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:34,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:34,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:34,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:34,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:36:34,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 15:36:34,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:36:34,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:36:34,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:36:34,840 INFO L87 Difference]: Start difference. First operand 489 states and 576 transitions. Second operand 10 states. [2018-11-23 15:36:35,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:35,016 INFO L93 Difference]: Finished difference Result 960 states and 1134 transitions. [2018-11-23 15:36:35,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 15:36:35,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-11-23 15:36:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:35,019 INFO L225 Difference]: With dead ends: 960 [2018-11-23 15:36:35,019 INFO L226 Difference]: Without dead ends: 495 [2018-11-23 15:36:35,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:36:35,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-23 15:36:35,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2018-11-23 15:36:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-11-23 15:36:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 545 transitions. [2018-11-23 15:36:35,046 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 545 transitions. Word has length 89 [2018-11-23 15:36:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:35,046 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 545 transitions. [2018-11-23 15:36:35,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:36:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 545 transitions. [2018-11-23 15:36:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:36:35,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:35,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:36:35,049 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:35,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:35,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1443278463, now seen corresponding path program 1 times [2018-11-23 15:36:35,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:35,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:35,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:35,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:35,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:36:35,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:36:35,101 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/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 [2018-11-23 15:36:35,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:35,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:36:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:36:35,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:36:35,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 15:36:35,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 15:36:35,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 15:36:35,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 15:36:35,349 INFO L87 Difference]: Start difference. First operand 478 states and 545 transitions. Second operand 12 states. [2018-11-23 15:36:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:36,670 INFO L93 Difference]: Finished difference Result 1182 states and 1450 transitions. [2018-11-23 15:36:36,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 15:36:36,671 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-11-23 15:36:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:36,673 INFO L225 Difference]: With dead ends: 1182 [2018-11-23 15:36:36,673 INFO L226 Difference]: Without dead ends: 791 [2018-11-23 15:36:36,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-23 15:36:36,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2018-11-23 15:36:36,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 729. [2018-11-23 15:36:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 15:36:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 847 transitions. [2018-11-23 15:36:36,702 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 847 transitions. Word has length 138 [2018-11-23 15:36:36,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:36,702 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 847 transitions. [2018-11-23 15:36:36,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 15:36:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 847 transitions. [2018-11-23 15:36:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:36:36,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:36:36,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:36:36,704 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:36:36,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:36:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572798, now seen corresponding path program 1 times [2018-11-23 15:36:36,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:36:36,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:36:36,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:36,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:36,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:36:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 15:36:36,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:36:36,779 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/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 [2018-11-23 15:36:36,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:36:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:36:36,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:36:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 15:36:36,971 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:36:36,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-23 15:36:36,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 15:36:36,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 15:36:36,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-23 15:36:36,972 INFO L87 Difference]: Start difference. First operand 729 states and 847 transitions. Second operand 15 states. [2018-11-23 15:36:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:36:38,641 INFO L93 Difference]: Finished difference Result 2573 states and 3606 transitions. [2018-11-23 15:36:38,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 15:36:38,642 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-11-23 15:36:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:36:38,642 INFO L225 Difference]: With dead ends: 2573 [2018-11-23 15:36:38,643 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:36:38,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 15:36:38,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:36:38,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:36:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:36:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:36:38,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-23 15:36:38,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:36:38,648 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:36:38,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 15:36:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:36:38,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:36:38,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:36:38,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:38,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:36:39,470 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-23 15:36:39,667 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-23 15:36:39,805 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2018-11-23 15:36:40,119 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2018-11-23 15:36:40,493 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2018-11-23 15:36:40,659 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2018-11-23 15:36:40,813 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-23 15:36:40,962 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-23 15:36:42,021 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-23 15:36:42,208 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-11-23 15:36:42,208 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-11-23 15:36:42,208 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-23 15:36:42,208 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-11-23 15:36:42,208 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-23 15:36:42,208 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,208 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-11-23 15:36:42,208 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,209 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,209 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-11-23 15:36:42,209 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-11-23 15:36:42,209 INFO L448 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-11-23 15:36:42,209 INFO L448 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-11-23 15:36:42,209 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,209 INFO L444 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,209 INFO L444 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-23 15:36:42,209 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-11-23 15:36:42,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L451 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-11-23 15:36:42,210 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-11-23 15:36:42,210 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:36:42,211 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-11-23 15:36:42,211 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:36:42,212 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-11-23 15:36:42,212 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-11-23 15:36:42,212 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 15:36:42,212 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:36:42,212 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-11-23 15:36:42,212 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-11-23 15:36:42,216 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-11-23 15:36:42,216 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,216 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:36:42,216 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:36:42,217 INFO L444 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L444 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-11-23 15:36:42,217 INFO L444 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:36:42,217 INFO L448 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 15:36:42,218 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L451 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-11-23 15:36:42,218 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-11-23 15:36:42,219 INFO L451 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L451 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L451 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2018-11-23 15:36:42,219 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-11-23 15:36:42,219 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-23 15:36:42,219 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-23 15:36:42,219 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-11-23 15:36:42,219 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse4 .cse5)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse1 .cse3) (or (and (<= ~waterLevel~0 2) .cse4 .cse5) .cse0 .cse2)))) [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse0 .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (and (<= ~waterLevel~0 1) .cse2) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse4) (or .cse0 .cse1 .cse3)))) [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-11-23 15:36:42,220 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or .cse3 .cse1 .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse0))) [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-11-23 15:36:42,220 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-23 15:36:42,221 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (< 2 ~waterLevel~0) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (<= 2 ~waterLevel~0) .cse1 .cse0)) (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse0))) [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-11-23 15:36:42,221 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-23 15:36:42,222 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-11-23 15:36:42,222 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-11-23 15:36:42,222 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-11-23 15:36:42,222 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-11-23 15:36:42,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:36:42 BoogieIcfgContainer [2018-11-23 15:36:42,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:36:42,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:36:42,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:36:42,235 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:36:42,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:32" (3/4) ... [2018-11-23 15:36:42,238 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 15:36:42,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 15:36:42,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 15:36:42,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 15:36:42,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 15:36:42,253 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 15:36:42,253 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 15:36:42,253 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:36:42,254 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:36:42,254 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:36:42,254 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:36:42,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 15:36:42,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 15:36:42,304 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98012d97-3fb1-4547-b8ae-7c87503f2609/bin-2019/uautomizer/witness.graphml [2018-11-23 15:36:42,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:36:42,305 INFO L168 Benchmark]: Toolchain (without parser) took 10817.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.0 MB). Free memory was 956.6 MB in the beginning and 899.2 MB in the end (delta: 57.4 MB). Peak memory consumption was 414.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:42,306 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:42,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:42,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.00 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. [2018-11-23 15:36:42,306 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:42,307 INFO L168 Benchmark]: RCFGBuilder took 509.16 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:42,307 INFO L168 Benchmark]: TraceAbstraction took 9816.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.1 GB in the beginning and 909.8 MB in the end (delta: 160.3 MB). Peak memory consumption was 456.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:42,307 INFO L168 Benchmark]: Witness Printer took 70.11 ms. Allocated memory is still 1.4 GB. Free memory was 909.8 MB in the beginning and 899.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:42,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.00 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 27.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 509.16 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9816.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.1 GB in the beginning and 909.8 MB in the end (delta: 160.3 MB). Peak memory consumption was 456.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.11 ms. Allocated memory is still 1.4 GB. Free memory was 909.8 MB in the beginning and 899.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 9.7s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1999 SDtfs, 1962 SDslu, 6789 SDs, 0 SdLazy, 5063 SolverSat, 1031 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 319 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=729occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 125 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2210 PreInvPairs, 2719 NumberOfFragments, 1525 HoareAnnotationTreeSize, 2210 FomulaSimplifications, 11003 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 29934 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1305 NumberOfCodeBlocks, 1305 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 221206 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1645 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 84/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...