./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/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 0997f7b4913388226e163b59383b8166cd33b05b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:19:01,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:19:01,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:19:01,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:19:01,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:19:01,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:19:01,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:19:01,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:19:01,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:19:01,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:19:01,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:19:01,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:19:01,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:19:01,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:19:01,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:19:01,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:19:01,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:19:01,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:19:01,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:19:01,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:19:01,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:19:01,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:19:01,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:19:01,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:19:01,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:19:01,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:19:01,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:19:01,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:19:01,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:19:01,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:19:01,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:19:01,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:19:01,141 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:19:01,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:19:01,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:19:01,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:19:01,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:19:01,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:19:01,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:19:01,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:19:01,154 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:19:01,155 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:19:01,155 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:19:01,155 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:19:01,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:19:01,156 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:19:01,156 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:19:01,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:19:01,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:19:01,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:19:01,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:19:01,157 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:19:01,157 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:19:01,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:19:01,157 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:19:01,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:19:01,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:19:01,158 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:19:01,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:19:01,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:19:01,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:19:01,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:19:01,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:19:01,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:19:01,159 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:19:01,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:19:01,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:19:01,160 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_a5078861-f7ac-4355-924d-b0e91e3ee97a/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 -> 0997f7b4913388226e163b59383b8166cd33b05b [2018-11-28 11:19:01,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:19:01,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:19:01,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:19:01,208 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:19:01,208 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:19:01,209 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-11-28 11:19:01,259 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/data/5881e88c2/b684ecb767e246008dba9ece66eca4a9/FLAG51220962a [2018-11-28 11:19:01,690 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:19:01,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-11-28 11:19:01,703 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/data/5881e88c2/b684ecb767e246008dba9ece66eca4a9/FLAG51220962a [2018-11-28 11:19:02,039 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/data/5881e88c2/b684ecb767e246008dba9ece66eca4a9 [2018-11-28 11:19:02,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:19:02,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:19:02,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:19:02,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:19:02,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:19:02,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f17983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02, skipping insertion in model container [2018-11-28 11:19:02,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:19:02,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:19:02,330 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:19:02,344 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:19:02,488 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:19:02,512 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:19:02,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02 WrapperNode [2018-11-28 11:19:02,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:19:02,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:19:02,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:19:02,513 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:19:02,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:19:02,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:19:02,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:19:02,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:19:02,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... [2018-11-28 11:19:02,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:19:02,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:19:02,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:19:02,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:19:02,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:19:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:19:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:19:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:19:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:19:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:19:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:19:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:19:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:19:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:19:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:19:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:19:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:19:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:19:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:19:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:19:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:19:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:19:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:19:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:19:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:19:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:19:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:19:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:19:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:19:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:19:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:19:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:19:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:19:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:19:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:19:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:19:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:19:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:19:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:19:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:19:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:19:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:19:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:19:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:19:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:19:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:19:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:19:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:19:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:19:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:19:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:19:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:19:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:19:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:19:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:19:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:19:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:19:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:19:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:19:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:19:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:19:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:19:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:19:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:19:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:19:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:19:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:19:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:19:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:19:03,159 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:19:03,159 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:19:03,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:19:03 BoogieIcfgContainer [2018-11-28 11:19:03,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:19:03,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:19:03,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:19:03,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:19:03,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:19:02" (1/3) ... [2018-11-28 11:19:03,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c94c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:19:03, skipping insertion in model container [2018-11-28 11:19:03,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:19:02" (2/3) ... [2018-11-28 11:19:03,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c94c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:19:03, skipping insertion in model container [2018-11-28 11:19:03,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:19:03" (3/3) ... [2018-11-28 11:19:03,168 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-11-28 11:19:03,176 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:19:03,185 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:19:03,197 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:19:03,224 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:19:03,225 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:19:03,225 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:19:03,225 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:19:03,225 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:19:03,225 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:19:03,225 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:19:03,225 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:19:03,225 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:19:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-28 11:19:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:19:03,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:03,254 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:03,257 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:03,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:03,261 INFO L82 PathProgramCache]: Analyzing trace with hash 882480942, now seen corresponding path program 1 times [2018-11-28 11:19:03,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:03,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:03,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:03,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:03,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:03,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:03,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:19:03,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:19:03,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:19:03,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:19:03,504 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-28 11:19:03,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:03,541 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2018-11-28 11:19:03,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:19:03,543 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 11:19:03,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:03,552 INFO L225 Difference]: With dead ends: 312 [2018-11-28 11:19:03,553 INFO L226 Difference]: Without dead ends: 156 [2018-11-28 11:19:03,556 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:19:03,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-28 11:19:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-28 11:19:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 11:19:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 186 transitions. [2018-11-28 11:19:03,603 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 186 transitions. Word has length 52 [2018-11-28 11:19:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:03,606 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 186 transitions. [2018-11-28 11:19:03,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:19:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 186 transitions. [2018-11-28 11:19:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:19:03,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:03,610 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] [2018-11-28 11:19:03,610 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:03,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:03,611 INFO L82 PathProgramCache]: Analyzing trace with hash 252497204, now seen corresponding path program 1 times [2018-11-28 11:19:03,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:03,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:03,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:03,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:03,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:03,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:03,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:19:03,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:19:03,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:19:03,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:19:03,723 INFO L87 Difference]: Start difference. First operand 156 states and 186 transitions. Second operand 3 states. [2018-11-28 11:19:03,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:03,748 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2018-11-28 11:19:03,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:19:03,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 11:19:03,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:03,751 INFO L225 Difference]: With dead ends: 261 [2018-11-28 11:19:03,751 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 11:19:03,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:19:03,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 11:19:03,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 11:19:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 11:19:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-11-28 11:19:03,768 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 53 [2018-11-28 11:19:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:03,768 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-11-28 11:19:03,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:19:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-11-28 11:19:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:19:03,770 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:03,771 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:03,771 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:03,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:03,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1976679861, now seen corresponding path program 1 times [2018-11-28 11:19:03,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:03,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:03,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:03,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:03,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:03,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:03,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:19:03,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:19:03,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:19:03,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:19:03,942 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 7 states. [2018-11-28 11:19:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:04,297 INFO L93 Difference]: Finished difference Result 270 states and 325 transitions. [2018-11-28 11:19:04,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:19:04,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 11:19:04,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:04,300 INFO L225 Difference]: With dead ends: 270 [2018-11-28 11:19:04,300 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 11:19:04,301 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:19:04,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 11:19:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 11:19:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 11:19:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2018-11-28 11:19:04,317 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 57 [2018-11-28 11:19:04,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:04,317 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2018-11-28 11:19:04,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:19:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-11-28 11:19:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-28 11:19:04,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:04,320 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] [2018-11-28 11:19:04,321 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:04,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:04,321 INFO L82 PathProgramCache]: Analyzing trace with hash -468269602, now seen corresponding path program 1 times [2018-11-28 11:19:04,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:04,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:04,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:04,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:04,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:04,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:04,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:19:04,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:19:04,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:19:04,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:19:04,431 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 5 states. [2018-11-28 11:19:04,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:04,883 INFO L93 Difference]: Finished difference Result 391 states and 474 transitions. [2018-11-28 11:19:04,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:19:04,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-28 11:19:04,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:04,885 INFO L225 Difference]: With dead ends: 391 [2018-11-28 11:19:04,886 INFO L226 Difference]: Without dead ends: 268 [2018-11-28 11:19:04,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:19:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-28 11:19:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 250. [2018-11-28 11:19:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-11-28 11:19:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 285 transitions. [2018-11-28 11:19:04,916 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 285 transitions. Word has length 75 [2018-11-28 11:19:04,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:04,917 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 285 transitions. [2018-11-28 11:19:04,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:19:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 285 transitions. [2018-11-28 11:19:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 11:19:04,919 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:04,919 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:04,920 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:04,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash -579229414, now seen corresponding path program 1 times [2018-11-28 11:19:04,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:04,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:04,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:04,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:04,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:05,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:05,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:19:05,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:19:05,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:19:05,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:19:05,020 INFO L87 Difference]: Start difference. First operand 250 states and 285 transitions. Second operand 6 states. [2018-11-28 11:19:05,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:05,165 INFO L93 Difference]: Finished difference Result 609 states and 728 transitions. [2018-11-28 11:19:05,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:19:05,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 11:19:05,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:05,170 INFO L225 Difference]: With dead ends: 609 [2018-11-28 11:19:05,170 INFO L226 Difference]: Without dead ends: 383 [2018-11-28 11:19:05,171 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 [2018-11-28 11:19:05,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-28 11:19:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2018-11-28 11:19:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-28 11:19:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 438 transitions. [2018-11-28 11:19:05,202 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 438 transitions. Word has length 89 [2018-11-28 11:19:05,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:05,202 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 438 transitions. [2018-11-28 11:19:05,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:19:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 438 transitions. [2018-11-28 11:19:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:19:05,204 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:05,204 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:05,205 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:05,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:05,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1675140960, now seen corresponding path program 1 times [2018-11-28 11:19:05,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:05,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:05,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:05,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:05,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:05,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:19:05,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:19:05,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:19:05,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:19:05,318 INFO L87 Difference]: Start difference. First operand 379 states and 438 transitions. Second operand 6 states. [2018-11-28 11:19:05,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:05,505 INFO L93 Difference]: Finished difference Result 826 states and 991 transitions. [2018-11-28 11:19:05,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:19:05,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 11:19:05,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:05,510 INFO L225 Difference]: With dead ends: 826 [2018-11-28 11:19:05,510 INFO L226 Difference]: Without dead ends: 600 [2018-11-28 11:19:05,511 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 [2018-11-28 11:19:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-11-28 11:19:05,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 582. [2018-11-28 11:19:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2018-11-28 11:19:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 688 transitions. [2018-11-28 11:19:05,546 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 688 transitions. Word has length 93 [2018-11-28 11:19:05,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:05,546 INFO L480 AbstractCegarLoop]: Abstraction has 582 states and 688 transitions. [2018-11-28 11:19:05,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:19:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 688 transitions. [2018-11-28 11:19:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:19:05,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:05,549 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:05,549 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:05,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:05,549 INFO L82 PathProgramCache]: Analyzing trace with hash 684166049, now seen corresponding path program 1 times [2018-11-28 11:19:05,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:05,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:05,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:05,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:05,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:05,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:19:05,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:19:05,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:19:05,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:19:05,632 INFO L87 Difference]: Start difference. First operand 582 states and 688 transitions. Second operand 5 states. [2018-11-28 11:19:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:05,671 INFO L93 Difference]: Finished difference Result 1021 states and 1233 transitions. [2018-11-28 11:19:05,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:19:05,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 11:19:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:05,676 INFO L225 Difference]: With dead ends: 1021 [2018-11-28 11:19:05,676 INFO L226 Difference]: Without dead ends: 592 [2018-11-28 11:19:05,678 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 [2018-11-28 11:19:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-11-28 11:19:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-11-28 11:19:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-11-28 11:19:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 691 transitions. [2018-11-28 11:19:05,706 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 691 transitions. Word has length 93 [2018-11-28 11:19:05,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:05,707 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 691 transitions. [2018-11-28 11:19:05,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:19:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 691 transitions. [2018-11-28 11:19:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:19:05,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:05,709 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:05,709 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:05,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:05,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1343697571, now seen corresponding path program 1 times [2018-11-28 11:19:05,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:05,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:05,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:05,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:05,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:05,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:19:05,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:19:05,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:19:05,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:19:05,802 INFO L87 Difference]: Start difference. First operand 586 states and 691 transitions. Second operand 9 states. [2018-11-28 11:19:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:05,861 INFO L93 Difference]: Finished difference Result 1165 states and 1404 transitions. [2018-11-28 11:19:05,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:19:05,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-28 11:19:05,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:05,865 INFO L225 Difference]: With dead ends: 1165 [2018-11-28 11:19:05,865 INFO L226 Difference]: Without dead ends: 603 [2018-11-28 11:19:05,866 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 [2018-11-28 11:19:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-11-28 11:19:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 593. [2018-11-28 11:19:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-11-28 11:19:05,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 698 transitions. [2018-11-28 11:19:05,890 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 698 transitions. Word has length 93 [2018-11-28 11:19:05,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:05,890 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 698 transitions. [2018-11-28 11:19:05,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:19:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 698 transitions. [2018-11-28 11:19:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-28 11:19:05,892 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:05,892 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:05,893 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:05,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:05,893 INFO L82 PathProgramCache]: Analyzing trace with hash -677811644, now seen corresponding path program 1 times [2018-11-28 11:19:05,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:05,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:05,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:05,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:19:05,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:19:05,992 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:19:06,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:06,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:19:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:06,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:19:06,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 11:19:06,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 11:19:06,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 11:19:06,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:19:06,233 INFO L87 Difference]: Start difference. First operand 593 states and 698 transitions. Second operand 14 states. [2018-11-28 11:19:06,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:06,861 INFO L93 Difference]: Finished difference Result 1608 states and 1961 transitions. [2018-11-28 11:19:06,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 11:19:06,862 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2018-11-28 11:19:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:06,865 INFO L225 Difference]: With dead ends: 1608 [2018-11-28 11:19:06,866 INFO L226 Difference]: Without dead ends: 1039 [2018-11-28 11:19:06,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:19:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2018-11-28 11:19:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1036. [2018-11-28 11:19:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2018-11-28 11:19:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1211 transitions. [2018-11-28 11:19:06,913 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1211 transitions. Word has length 105 [2018-11-28 11:19:06,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:06,913 INFO L480 AbstractCegarLoop]: Abstraction has 1036 states and 1211 transitions. [2018-11-28 11:19:06,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 11:19:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1211 transitions. [2018-11-28 11:19:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-28 11:19:06,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:06,915 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:06,916 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:06,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1323157912, now seen corresponding path program 1 times [2018-11-28 11:19:06,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:06,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:06,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:06,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:06,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:19:07,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:07,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:19:07,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:19:07,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:19:07,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:19:07,019 INFO L87 Difference]: Start difference. First operand 1036 states and 1211 transitions. Second operand 10 states. [2018-11-28 11:19:07,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:07,206 INFO L93 Difference]: Finished difference Result 2022 states and 2394 transitions. [2018-11-28 11:19:07,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:19:07,206 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2018-11-28 11:19:07,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:07,210 INFO L225 Difference]: With dead ends: 2022 [2018-11-28 11:19:07,210 INFO L226 Difference]: Without dead ends: 1010 [2018-11-28 11:19:07,212 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 [2018-11-28 11:19:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2018-11-28 11:19:07,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 994. [2018-11-28 11:19:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2018-11-28 11:19:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1160 transitions. [2018-11-28 11:19:07,276 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1160 transitions. Word has length 109 [2018-11-28 11:19:07,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:07,277 INFO L480 AbstractCegarLoop]: Abstraction has 994 states and 1160 transitions. [2018-11-28 11:19:07,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:19:07,277 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1160 transitions. [2018-11-28 11:19:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-28 11:19:07,279 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:07,279 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:07,279 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:07,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1441456966, now seen corresponding path program 1 times [2018-11-28 11:19:07,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:07,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:07,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:07,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:07,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:19:07,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:07,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:19:07,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:19:07,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:19:07,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:19:07,377 INFO L87 Difference]: Start difference. First operand 994 states and 1160 transitions. Second operand 10 states. [2018-11-28 11:19:07,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:07,550 INFO L93 Difference]: Finished difference Result 1970 states and 2302 transitions. [2018-11-28 11:19:07,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:19:07,550 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2018-11-28 11:19:07,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:07,554 INFO L225 Difference]: With dead ends: 1970 [2018-11-28 11:19:07,554 INFO L226 Difference]: Without dead ends: 1000 [2018-11-28 11:19:07,556 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 [2018-11-28 11:19:07,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2018-11-28 11:19:07,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 964. [2018-11-28 11:19:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2018-11-28 11:19:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1094 transitions. [2018-11-28 11:19:07,595 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1094 transitions. Word has length 109 [2018-11-28 11:19:07,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:07,596 INFO L480 AbstractCegarLoop]: Abstraction has 964 states and 1094 transitions. [2018-11-28 11:19:07,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:19:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1094 transitions. [2018-11-28 11:19:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 11:19:07,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:07,599 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:07,600 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:07,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:07,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1285625587, now seen corresponding path program 1 times [2018-11-28 11:19:07,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:07,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:07,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:07,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:07,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-28 11:19:07,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:19:07,658 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:19:07,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:07,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:19:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 11:19:07,928 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:19:07,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-28 11:19:07,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:19:07,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:19:07,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:19:07,929 INFO L87 Difference]: Start difference. First operand 964 states and 1094 transitions. Second operand 13 states. [2018-11-28 11:19:09,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:09,467 INFO L93 Difference]: Finished difference Result 2539 states and 3097 transitions. [2018-11-28 11:19:09,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 11:19:09,468 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 152 [2018-11-28 11:19:09,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:09,474 INFO L225 Difference]: With dead ends: 2539 [2018-11-28 11:19:09,474 INFO L226 Difference]: Without dead ends: 1599 [2018-11-28 11:19:09,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-28 11:19:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2018-11-28 11:19:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1376. [2018-11-28 11:19:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2018-11-28 11:19:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1548 transitions. [2018-11-28 11:19:09,534 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1548 transitions. Word has length 152 [2018-11-28 11:19:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:09,535 INFO L480 AbstractCegarLoop]: Abstraction has 1376 states and 1548 transitions. [2018-11-28 11:19:09,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:19:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1548 transitions. [2018-11-28 11:19:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-28 11:19:09,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:09,538 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:19:09,538 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:09,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:09,539 INFO L82 PathProgramCache]: Analyzing trace with hash -299937180, now seen corresponding path program 1 times [2018-11-28 11:19:09,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:19:09,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:19:09,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:09,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:09,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:19:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 11:19:09,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:19:09,624 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:19:09,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:09,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:19:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-28 11:19:09,878 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:19:09,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 11:19:09,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 11:19:09,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 11:19:09,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:19:09,879 INFO L87 Difference]: Start difference. First operand 1376 states and 1548 transitions. Second operand 15 states. [2018-11-28 11:19:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:12,370 INFO L93 Difference]: Finished difference Result 3377 states and 4336 transitions. [2018-11-28 11:19:12,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 11:19:12,371 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 156 [2018-11-28 11:19:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:12,372 INFO L225 Difference]: With dead ends: 3377 [2018-11-28 11:19:12,372 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:19:12,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 11:19:12,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:19:12,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:19:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:19:12,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:19:12,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2018-11-28 11:19:12,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:12,378 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:19:12,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 11:19:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:19:12,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:19:12,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:19:12,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:12,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:19:13,835 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 11:19:13,970 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-28 11:19:14,290 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-11-28 11:19:14,398 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 11:19:14,578 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2018-11-28 11:19:15,191 WARN L180 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-28 11:19:15,342 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2018-11-28 11:19:15,494 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 11:19:15,871 WARN L180 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-11-28 11:19:16,022 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2018-11-28 11:19:16,147 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 11:19:16,396 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2018-11-28 11:19:16,572 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 39 [2018-11-28 11:19:16,819 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 11:19:16,921 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-11-28 11:19:17,041 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 11:19:17,157 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-28 11:19:17,363 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-28 11:19:17,474 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-11-28 11:19:17,909 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 51 [2018-11-28 11:19:18,121 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2018-11-28 11:19:18,557 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-11-28 11:19:18,856 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2018-11-28 11:19:18,856 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2018-11-28 11:19:18,857 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2018-11-28 11:19:18,857 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2018-11-28 11:19:18,857 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2018-11-28 11:19:18,857 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 547 569) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,857 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 547 569) no Hoare annotation was computed. [2018-11-28 11:19:18,857 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,857 INFO L444 ceAbstractionStarter]: At program point L559-1(line 559) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,857 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 564) no Hoare annotation was computed. [2018-11-28 11:19:18,857 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 547 569) no Hoare annotation was computed. [2018-11-28 11:19:18,858 INFO L448 ceAbstractionStarter]: For program point L557-1(lines 557 564) no Hoare annotation was computed. [2018-11-28 11:19:18,858 INFO L448 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-11-28 11:19:18,858 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,858 INFO L444 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,858 INFO L444 ceAbstractionStarter]: At program point L553-1(line 553) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,858 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,858 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-11-28 11:19:18,858 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,859 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-28 11:19:18,859 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-11-28 11:19:18,859 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 180 204) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 11:19:18,859 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 180 204) no Hoare annotation was computed. [2018-11-28 11:19:18,859 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,859 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2018-11-28 11:19:18,859 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,859 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 275 283) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 275 283) the Hoare annotation is: true [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 275 283) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L451 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2018-11-28 11:19:18,860 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2018-11-28 11:19:18,860 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 534 543) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 534 543) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 534 543) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 264 274) the Hoare annotation is: true [2018-11-28 11:19:18,861 INFO L451 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 264 274) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 264 274) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 256 263) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 256 263) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 256 263) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 449) no Hoare annotation was computed. [2018-11-28 11:19:18,861 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 439 452) no Hoare annotation was computed. [2018-11-28 11:19:18,862 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 439 452) the Hoare annotation is: true [2018-11-28 11:19:18,862 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 439 452) no Hoare annotation was computed. [2018-11-28 11:19:18,862 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,862 INFO L448 ceAbstractionStarter]: For program point L225-1(lines 206 230) no Hoare annotation was computed. [2018-11-28 11:19:18,862 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,862 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,862 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 206 230) no Hoare annotation was computed. [2018-11-28 11:19:18,862 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 222) no Hoare annotation was computed. [2018-11-28 11:19:18,862 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,863 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 206 230) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 11:19:18,863 INFO L448 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2018-11-28 11:19:18,863 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 227) no Hoare annotation was computed. [2018-11-28 11:19:18,863 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-28 11:19:18,863 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2018-11-28 11:19:18,863 INFO L444 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse5 .cse3) (and .cse1 .cse6 .cse5 .cse3) (and .cse0 .cse6 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:19:18,863 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-28 11:19:18,863 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,863 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-28 11:19:18,864 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse4 .cse0 .cse2) (not (= ~systemActive~0 1)) (and .cse5 (and (not (= ~waterLevel~0 2)) .cse3 .cse2) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:19:18,865 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 231 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 231 238) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 231 238) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 453 461) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 453 461) the Hoare annotation is: true [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 453 461) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:19:18,865 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:19:18,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:19:18,866 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 239 255) no Hoare annotation was computed. [2018-11-28 11:19:18,866 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:19:18,866 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 239 255) no Hoare annotation was computed. [2018-11-28 11:19:18,866 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 239 255) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 11:19:18,866 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 252) no Hoare annotation was computed. [2018-11-28 11:19:18,866 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 11:19:18,866 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-28 11:19:18,866 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 430 438) the Hoare annotation is: true [2018-11-28 11:19:18,866 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 430 438) no Hoare annotation was computed. [2018-11-28 11:19:18,866 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 430 438) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 320 338) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 333) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L451 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: true [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point L327-1(line 327) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 320 338) the Hoare annotation is: true [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 320 338) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 386 397) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse1 .cse5 .cse4 .cse0 .cse3) (or .cse5 .cse6 .cse4 .cse3 .cse7) (or .cse4 (or .cse2 .cse3) .cse7 .cse6))) [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 386 397) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L448 ceAbstractionStarter]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2018-11-28 11:19:18,867 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 398 406) the Hoare annotation is: true [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-28 11:19:18,868 INFO L451 ceAbstractionStarter]: At program point L483-2(lines 483 497) the Hoare annotation is: true [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 473 502) no Hoare annotation was computed. [2018-11-28 11:19:18,868 INFO L451 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: true [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point L479-1(line 479) no Hoare annotation was computed. [2018-11-28 11:19:18,868 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 473 502) the Hoare annotation is: true [2018-11-28 11:19:18,868 INFO L451 ceAbstractionStarter]: At program point L498(lines 473 502) the Hoare annotation is: true [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 491) no Hoare annotation was computed. [2018-11-28 11:19:18,868 INFO L451 ceAbstractionStarter]: At program point L487-1(lines 487 491) the Hoare annotation is: true [2018-11-28 11:19:18,868 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 11:19:18,869 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse5 .cse11 .cse7)) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse4 .cse8 .cse9) (or .cse2 .cse1 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse5 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse1 .cse7 .cse9)))) [2018-11-28 11:19:18,869 INFO L448 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2018-11-28 11:19:18,869 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse3 .cse9 .cse6)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse9 .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse5 .cse4 .cse6 .cse7 .cse8) (or .cse9 .cse6 .cse7 .cse8 .cse5) (or .cse10 .cse1 .cse11) (or (or .cse12 .cse3 .cse4 .cse6) .cse11) (or .cse2 .cse13 .cse8 .cse0) (or .cse3 .cse9 .cse6 .cse7 .cse5) (or (or .cse10 .cse4 .cse6) .cse8 .cse11) (or .cse3 .cse4 .cse2 .cse0 .cse6) (or .cse12 .cse11 .cse13 .cse8) (or .cse4 .cse0 .cse2 .cse6 .cse8)))) [2018-11-28 11:19:18,869 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2018-11-28 11:19:18,869 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse15 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse14 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (and (<= ~waterLevel~0 1) .cse14)) (.cse10 (or .cse15 .cse3)) (.cse5 (or .cse0 .cse15 .cse3)) (.cse11 (and .cse12 (<= ~waterLevel~0 0))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and (<= ~waterLevel~0 2) .cse14)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse2 .cse1 .cse3 .cse4 .cse8) (or .cse9 .cse10 .cse8 .cse11) (or .cse6 .cse7 .cse10 .cse8) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse12) (or .cse9 .cse5 .cse11) (or (or .cse9 .cse1 .cse3) .cse8 .cse12) (or .cse0 .cse1 .cse7 .cse13 .cse3) (or .cse1 .cse13 .cse7 .cse3 .cse8)))) [2018-11-28 11:19:18,869 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2018-11-28 11:19:18,870 INFO L444 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse13 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse15 (and .cse13 .cse7)) (.cse14 (or .cse0 .cse12 .cse3)) (.cse10 (<= ~waterLevel~0 0)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse16 (<= ~waterLevel~0 2)) (.cse17 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or (and .cse9 .cse13) .cse14 .cse15 .cse11) (or .cse1 (and .cse16 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse15) (or .cse0 .cse17 .cse1 .cse8 .cse3) (or .cse17 .cse14 (and .cse8 .cse10)) (or .cse0 .cse1 .cse11 (and .cse16 .cse7) .cse3) (or .cse17 .cse1 .cse8 .cse3 .cse5)))) [2018-11-28 11:19:18,870 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-11-28 11:19:18,870 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 571 603) no Hoare annotation was computed. [2018-11-28 11:19:18,870 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 571 603) the Hoare annotation is: true [2018-11-28 11:19:18,870 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-28 11:19:18,870 INFO L448 ceAbstractionStarter]: For program point L590(lines 590 596) no Hoare annotation was computed. [2018-11-28 11:19:18,870 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5))) [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 599) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 571 603) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3 .cse6) (or .cse2 .cse7 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse7 .cse3))) [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point L584-1(line 584) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 600) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L451 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: true [2018-11-28 11:19:18,871 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 362 373) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point L366-1(lines 362 373) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 362 373) no Hoare annotation was computed. [2018-11-28 11:19:18,871 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 527 533) no Hoare annotation was computed. [2018-11-28 11:19:18,872 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 527 533) the Hoare annotation is: true [2018-11-28 11:19:18,872 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:19:18,872 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 11:19:18,872 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:19:18,872 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:19:18,872 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 11:19:18,872 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,872 INFO L448 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-11-28 11:19:18,872 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-11-28 11:19:18,872 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2018-11-28 11:19:18,873 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 11:19:18,873 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-11-28 11:19:18,873 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3))) [2018-11-28 11:19:18,873 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse9)) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (<= ~waterLevel~0 1) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 .cse8) (or .cse0 .cse6 .cse7 .cse5) (or .cse1 .cse2 .cse3 .cse5 .cse8 .cse4)))) [2018-11-28 11:19:18,873 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-11-28 11:19:18,873 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 374 385) no Hoare annotation was computed. [2018-11-28 11:19:18,873 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2018-11-28 11:19:18,874 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 374 385) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse6 (or .cse7 .cse2 .cse3)) (.cse10 (<= ~waterLevel~0 1)) (.cse5 (< 0 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0) (or .cse7 .cse8 .cse1 (<= ~waterLevel~0 2) .cse3) (or .cse9 .cse6 .cse10) (or (or .cse9 .cse8 .cse3) .cse4 .cse10) (or .cse0 (or .cse5 .cse8 .cse3 .cse4)) (or .cse0 (or .cse7 .cse9 .cse8 .cse3))))) [2018-11-28 11:19:18,874 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-28 11:19:18,874 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 463 470) the Hoare annotation is: true [2018-11-28 11:19:18,874 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) no Hoare annotation was computed. [2018-11-28 11:19:18,874 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-28 11:19:18,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:19:18 BoogieIcfgContainer [2018-11-28 11:19:18,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:19:18,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:19:18,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:19:18,895 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:19:18,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:19:03" (3/4) ... [2018-11-28 11:19:18,899 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:19:18,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:19:18,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:19:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:19:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:19:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:19:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:19:18,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 11:19:18,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:19:18,918 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:19:18,918 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:19:18,918 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:19:18,919 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:19:18,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:19:18,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:19:18,991 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5078861-f7ac-4355-924d-b0e91e3ee97a/bin-2019/uautomizer/witness.graphml [2018-11-28 11:19:18,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:19:18,992 INFO L168 Benchmark]: Toolchain (without parser) took 16949.16 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 434.1 MB). Free memory was 950.6 MB in the beginning and 956.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:19:18,992 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:19:18,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:19:18,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:19:18,993 INFO L168 Benchmark]: Boogie Preprocessor took 39.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:19:18,993 INFO L168 Benchmark]: RCFGBuilder took 574.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:19:18,994 INFO L168 Benchmark]: TraceAbstraction took 15733.81 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.2 MB). Free memory was 1.1 GB in the beginning and 968.0 MB in the end (delta: 90.8 MB). Peak memory consumption was 536.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:19:18,994 INFO L168 Benchmark]: Witness Printer took 95.82 ms. Allocated memory is still 1.5 GB. Free memory was 968.0 MB in the beginning and 956.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:19:18,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.61 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 39.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 574.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15733.81 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.2 MB). Free memory was 1.1 GB in the beginning and 968.0 MB in the end (delta: 90.8 MB). Peak memory consumption was 536.7 MB. Max. memory is 11.5 GB. * Witness Printer took 95.82 ms. Allocated memory is still 1.5 GB. Free memory was 968.0 MB in the beginning and 956.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: 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: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2782 SDtfs, 2854 SDslu, 10242 SDs, 0 SdLazy, 6902 SolverSat, 1519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1376occurred in iteration=12, 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: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 334 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3963 PreInvPairs, 4497 NumberOfFragments, 3416 HoareAnnotationTreeSize, 3963 FomulaSimplifications, 19731 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 70 FomulaSimplificationsInter, 35600 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 322015 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2466 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 168/188 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...