./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/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 b6539c3f80a02f7679497281344dc3da1a82da6c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:09:03,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:09:03,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:09:03,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:09:03,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:09:03,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:09:03,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:09:03,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:09:03,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:09:03,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:09:03,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:09:03,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:09:03,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:09:03,076 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:09:03,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:09:03,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:09:03,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:09:03,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:09:03,079 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:09:03,080 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:09:03,081 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:09:03,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:09:03,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:09:03,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:09:03,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:09:03,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:09:03,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:09:03,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:09:03,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:09:03,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:09:03,086 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:09:03,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:09:03,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:09:03,087 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:09:03,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:09:03,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:09:03,088 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:09:03,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:09:03,095 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:09:03,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:09:03,096 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:09:03,096 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:09:03,096 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:09:03,096 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:09:03,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:09:03,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:09:03,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:09:03,098 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:09:03,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:09:03,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:09:03,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:09:03,099 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:09:03,099 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:09:03,099 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:09:03,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:09:03,099 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_78e94562-33c9-4aab-b382-3779681ca463/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-12-08 11:09:03,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:09:03,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:09:03,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:09:03,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:09:03,127 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:09:03,127 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-08 11:09:03,163 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/data/83628d328/08b09f6f929e4a13ada0d43438e03521/FLAG2dd1381a1 [2018-12-08 11:09:03,564 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:09:03,564 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-08 11:09:03,571 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/data/83628d328/08b09f6f929e4a13ada0d43438e03521/FLAG2dd1381a1 [2018-12-08 11:09:03,912 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/data/83628d328/08b09f6f929e4a13ada0d43438e03521 [2018-12-08 11:09:03,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:09:03,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:09:03,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:09:03,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:09:03,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:09:03,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:09:03" (1/1) ... [2018-12-08 11:09:03,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:03, skipping insertion in model container [2018-12-08 11:09:03,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:09:03" (1/1) ... [2018-12-08 11:09:03,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:09:03,986 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:09:04,148 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:09:04,188 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:09:04,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:09:04,256 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:09:04,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04 WrapperNode [2018-12-08 11:09:04,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:09:04,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:09:04,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:09:04,257 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:09:04,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:09:04,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:09:04,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:09:04,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:09:04,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... [2018-12-08 11:09:04,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:09:04,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:09:04,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:09:04,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:09:04,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:09:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 11:09:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 11:09:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:09:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:09:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 11:09:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 11:09:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:09:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 11:09:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 11:09:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 11:09:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 11:09:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 11:09:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 11:09:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 11:09:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 11:09:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 11:09:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 11:09:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:09:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:09:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 11:09:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 11:09:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 11:09:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 11:09:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 11:09:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 11:09:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 11:09:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 11:09:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 11:09:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 11:09:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 11:09:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 11:09:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 11:09:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 11:09:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 11:09:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 11:09:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 11:09:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 11:09:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:09:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:09:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 11:09:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 11:09:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 11:09:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 11:09:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 11:09:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:09:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:09:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 11:09:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 11:09:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 11:09:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 11:09:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:09:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:09:04,646 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:09:04,646 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 11:09:04,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:09:04 BoogieIcfgContainer [2018-12-08 11:09:04,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:09:04,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:09:04,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:09:04,649 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:09:04,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:09:03" (1/3) ... [2018-12-08 11:09:04,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2874b992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:09:04, skipping insertion in model container [2018-12-08 11:09:04,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:04" (2/3) ... [2018-12-08 11:09:04,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2874b992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:09:04, skipping insertion in model container [2018-12-08 11:09:04,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:09:04" (3/3) ... [2018-12-08 11:09:04,652 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-08 11:09:04,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:09:04,667 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:09:04,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:09:04,701 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:09:04,701 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:09:04,701 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:09:04,701 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:09:04,701 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:09:04,701 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:09:04,702 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:09:04,702 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:09:04,702 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:09:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-12-08 11:09:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 11:09:04,722 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:04,723 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:04,724 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:04,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:04,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-12-08 11:09:04,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:04,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:04,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:04,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:04,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:04,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:04,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:09:04,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:09:04,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:09:04,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:09:04,905 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-12-08 11:09:04,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:04,933 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-12-08 11:09:04,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:09:04,934 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 11:09:04,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:04,944 INFO L225 Difference]: With dead ends: 294 [2018-12-08 11:09:04,944 INFO L226 Difference]: Without dead ends: 149 [2018-12-08 11:09:04,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:09:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-08 11:09:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-08 11:09:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-08 11:09:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-12-08 11:09:04,978 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-12-08 11:09:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:04,979 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-12-08 11:09:04,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:09:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-12-08 11:09:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:09:04,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:04,981 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:04,981 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:04,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:04,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-12-08 11:09:04,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:04,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:04,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:04,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:04,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:05,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:05,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:09:05,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:09:05,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:09:05,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:05,033 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-12-08 11:09:05,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:05,046 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-12-08 11:09:05,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:09:05,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 11:09:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:05,047 INFO L225 Difference]: With dead ends: 239 [2018-12-08 11:09:05,047 INFO L226 Difference]: Without dead ends: 140 [2018-12-08 11:09:05,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:05,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-08 11:09:05,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-08 11:09:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-08 11:09:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-12-08 11:09:05,056 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-12-08 11:09:05,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:05,056 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-12-08 11:09:05,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:09:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-12-08 11:09:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 11:09:05,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:05,057 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:05,057 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:05,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:05,057 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-12-08 11:09:05,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:05,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:05,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:05,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:05,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:05,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:09:05,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:09:05,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:09:05,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:09:05,136 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-12-08 11:09:05,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:05,328 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-12-08 11:09:05,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 11:09:05,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 11:09:05,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:05,329 INFO L225 Difference]: With dead ends: 252 [2018-12-08 11:09:05,329 INFO L226 Difference]: Without dead ends: 140 [2018-12-08 11:09:05,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:09:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-08 11:09:05,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-08 11:09:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-08 11:09:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-12-08 11:09:05,337 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-12-08 11:09:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:05,337 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-12-08 11:09:05,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:09:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-12-08 11:09:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 11:09:05,338 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:05,338 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:05,339 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:05,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:05,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-12-08 11:09:05,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:05,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:05,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:05,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:05,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:05,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:09:05,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:09:05,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:09:05,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:09:05,393 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-12-08 11:09:05,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:05,723 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-12-08 11:09:05,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:09:05,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 11:09:05,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:05,724 INFO L225 Difference]: With dead ends: 355 [2018-12-08 11:09:05,724 INFO L226 Difference]: Without dead ends: 243 [2018-12-08 11:09:05,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:09:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-08 11:09:05,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-12-08 11:09:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-08 11:09:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-12-08 11:09:05,739 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-12-08 11:09:05,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:05,739 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-12-08 11:09:05,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:09:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-12-08 11:09:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:09:05,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:05,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:05,741 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:05,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:05,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-12-08 11:09:05,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:05,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:05,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:05,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:05,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:05,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 11:09:05,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 11:09:05,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 11:09:05,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:09:05,808 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-12-08 11:09:05,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:05,962 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-12-08 11:09:05,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 11:09:05,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-08 11:09:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:05,965 INFO L225 Difference]: With dead ends: 751 [2018-12-08 11:09:05,965 INFO L226 Difference]: Without dead ends: 555 [2018-12-08 11:09:05,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:09:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-12-08 11:09:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-12-08 11:09:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-08 11:09:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-12-08 11:09:05,992 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-12-08 11:09:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:05,993 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-12-08 11:09:05,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 11:09:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-12-08 11:09:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:09:05,994 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:05,994 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:05,994 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:05,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:05,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-12-08 11:09:05,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:05,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:05,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:05,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:05,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:06,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:06,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:09:06,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:09:06,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:09:06,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:09:06,059 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-12-08 11:09:06,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:06,178 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-12-08 11:09:06,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:09:06,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 11:09:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:06,181 INFO L225 Difference]: With dead ends: 1530 [2018-12-08 11:09:06,182 INFO L226 Difference]: Without dead ends: 1015 [2018-12-08 11:09:06,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:09:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-12-08 11:09:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-12-08 11:09:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-12-08 11:09:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-12-08 11:09:06,216 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-12-08 11:09:06,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:06,216 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-12-08 11:09:06,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:09:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-12-08 11:09:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:09:06,218 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:06,218 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:06,218 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:06,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:06,218 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-12-08 11:09:06,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:06,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:06,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:06,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:06,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:06,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:09:06,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:09:06,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:09:06,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:09:06,281 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-12-08 11:09:06,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:06,643 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-12-08 11:09:06,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:09:06,643 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-08 11:09:06,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:06,648 INFO L225 Difference]: With dead ends: 2059 [2018-12-08 11:09:06,648 INFO L226 Difference]: Without dead ends: 1088 [2018-12-08 11:09:06,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:09:06,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-12-08 11:09:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-12-08 11:09:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-12-08 11:09:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-12-08 11:09:06,700 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-12-08 11:09:06,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:06,701 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-12-08 11:09:06,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:09:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-12-08 11:09:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 11:09:06,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:06,703 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] [2018-12-08 11:09:06,703 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:06,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:06,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-12-08 11:09:06,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:06,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:06,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:06,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:09:06,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:06,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:09:06,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:09:06,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:09:06,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:09:06,750 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-12-08 11:09:06,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:06,791 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-12-08 11:09:06,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 11:09:06,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-08 11:09:06,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:06,794 INFO L225 Difference]: With dead ends: 2006 [2018-12-08 11:09:06,794 INFO L226 Difference]: Without dead ends: 1038 [2018-12-08 11:09:06,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:09:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-12-08 11:09:06,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-12-08 11:09:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-12-08 11:09:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-12-08 11:09:06,822 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-12-08 11:09:06,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:06,822 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-12-08 11:09:06,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:09:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-12-08 11:09:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 11:09:06,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:06,824 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] [2018-12-08 11:09:06,824 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:06,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:06,824 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-12-08 11:09:06,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:06,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:06,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:06,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:09:06,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:06,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:09:06,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 11:09:06,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 11:09:06,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:09:06,883 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-12-08 11:09:06,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:06,925 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-12-08 11:09:06,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:09:06,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-08 11:09:06,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:06,928 INFO L225 Difference]: With dead ends: 1822 [2018-12-08 11:09:06,928 INFO L226 Difference]: Without dead ends: 824 [2018-12-08 11:09:06,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:09:06,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-12-08 11:09:06,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-12-08 11:09:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-12-08 11:09:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-12-08 11:09:06,957 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-12-08 11:09:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:06,957 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-12-08 11:09:06,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 11:09:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-12-08 11:09:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 11:09:06,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:06,959 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] [2018-12-08 11:09:06,959 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:06,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:06,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-12-08 11:09:06,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:06,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:06,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:06,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:09:07,056 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:09:07,056 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 11:09:07,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:07,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:09:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:07,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:09:07,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 11:09:07,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 11:09:07,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 11:09:07,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 11:09:07,317 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 19 states. [2018-12-08 11:09:08,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:08,041 INFO L93 Difference]: Finished difference Result 1589 states and 1865 transitions. [2018-12-08 11:09:08,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 11:09:08,041 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-08 11:09:08,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:08,043 INFO L225 Difference]: With dead ends: 1589 [2018-12-08 11:09:08,043 INFO L226 Difference]: Without dead ends: 793 [2018-12-08 11:09:08,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 11:09:08,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-12-08 11:09:08,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2018-12-08 11:09:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-12-08 11:09:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 906 transitions. [2018-12-08 11:09:08,067 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 906 transitions. Word has length 108 [2018-12-08 11:09:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:08,068 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 906 transitions. [2018-12-08 11:09:08,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 11:09:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 906 transitions. [2018-12-08 11:09:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 11:09:08,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:08,069 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:08,070 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:08,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:08,070 INFO L82 PathProgramCache]: Analyzing trace with hash -525352255, now seen corresponding path program 1 times [2018-12-08 11:09:08,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:08,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:08,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:08,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:08,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 11:09:08,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:08,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:09:08,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:09:08,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:09:08,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:08,114 INFO L87 Difference]: Start difference. First operand 793 states and 906 transitions. Second operand 3 states. [2018-12-08 11:09:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:08,144 INFO L93 Difference]: Finished difference Result 1280 states and 1494 transitions. [2018-12-08 11:09:08,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:09:08,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-12-08 11:09:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:08,148 INFO L225 Difference]: With dead ends: 1280 [2018-12-08 11:09:08,148 INFO L226 Difference]: Without dead ends: 1277 [2018-12-08 11:09:08,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:08,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-12-08 11:09:08,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 939. [2018-12-08 11:09:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-12-08 11:09:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1093 transitions. [2018-12-08 11:09:08,180 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1093 transitions. Word has length 162 [2018-12-08 11:09:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:08,180 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1093 transitions. [2018-12-08 11:09:08,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:09:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1093 transitions. [2018-12-08 11:09:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 11:09:08,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:08,182 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 11:09:08,182 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:08,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:08,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1991563754, now seen corresponding path program 1 times [2018-12-08 11:09:08,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:08,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:08,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:08,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:08,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 11:09:08,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:09:08,256 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 11:09:08,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:08,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:09:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 11:09:08,532 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:09:08,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2018-12-08 11:09:08,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 11:09:08,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 11:09:08,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-08 11:09:08,533 INFO L87 Difference]: Start difference. First operand 939 states and 1093 transitions. Second operand 16 states. [2018-12-08 11:09:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:09,854 INFO L93 Difference]: Finished difference Result 3005 states and 4048 transitions. [2018-12-08 11:09:09,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-08 11:09:09,855 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-12-08 11:09:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:09,861 INFO L225 Difference]: With dead ends: 3005 [2018-12-08 11:09:09,861 INFO L226 Difference]: Without dead ends: 2222 [2018-12-08 11:09:09,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-12-08 11:09:09,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2018-12-08 11:09:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 1890. [2018-12-08 11:09:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1890 states. [2018-12-08 11:09:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2222 transitions. [2018-12-08 11:09:09,955 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2222 transitions. Word has length 223 [2018-12-08 11:09:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:09,956 INFO L480 AbstractCegarLoop]: Abstraction has 1890 states and 2222 transitions. [2018-12-08 11:09:09,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 11:09:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2222 transitions. [2018-12-08 11:09:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 11:09:09,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:09,959 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 11:09:09,960 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:09,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:09,960 INFO L82 PathProgramCache]: Analyzing trace with hash 684428628, now seen corresponding path program 1 times [2018-12-08 11:09:09,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:09,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:09,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:09,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:09,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 11:09:10,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:09:10,036 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/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 [2018-12-08 11:09:10,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:10,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:09:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 11:09:10,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:09:10,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 11:09:10,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 11:09:10,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 11:09:10,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:09:10,198 INFO L87 Difference]: Start difference. First operand 1890 states and 2222 transitions. Second operand 13 states. [2018-12-08 11:09:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:10,259 INFO L93 Difference]: Finished difference Result 2407 states and 2806 transitions. [2018-12-08 11:09:10,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 11:09:10,259 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2018-12-08 11:09:10,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:10,259 INFO L225 Difference]: With dead ends: 2407 [2018-12-08 11:09:10,260 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 11:09:10,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:09:10,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 11:09:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 11:09:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 11:09:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 11:09:10,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-12-08 11:09:10,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:10,263 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:09:10,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 11:09:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:09:10,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:09:10,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 11:09:10,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:10,754 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2018-12-08 11:09:11,110 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2018-12-08 11:09:11,291 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2018-12-08 11:09:11,492 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2018-12-08 11:09:11,612 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2018-12-08 11:09:13,030 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2018-12-08 11:09:13,292 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-12-08 11:09:13,292 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-12-08 11:09:13,292 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-12-08 11:09:13,292 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-12-08 11:09:13,293 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-12-08 11:09:13,293 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,293 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-12-08 11:09:13,293 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:09:13,293 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:09:13,293 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-12-08 11:09:13,293 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-12-08 11:09:13,293 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-12-08 11:09:13,294 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,294 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-12-08 11:09:13,294 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,294 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,294 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-12-08 11:09:13,294 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-12-08 11:09:13,294 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-12-08 11:09:13,294 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-12-08 11:09:13,294 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-12-08 11:09:13,294 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-12-08 11:09:13,294 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-12-08 11:09:13,294 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-12-08 11:09:13,295 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,295 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-12-08 11:09:13,295 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-12-08 11:09:13,295 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-12-08 11:09:13,296 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-12-08 11:09:13,296 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-08 11:09:13,296 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-12-08 11:09:13,296 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-12-08 11:09:13,296 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse4) (or (or .cse1 .cse2) .cse4) (or .cse3 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 11:09:13,296 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-12-08 11:09:13,296 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse1 .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 11:09:13,296 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (= 0 ~waterLevel~0) .cse6)) (.cse4 (and (= processEnvironment_~tmp~5 1) .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1 .cse5 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse4 (or .cse1 .cse2))))) [2018-12-08 11:09:13,296 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-12-08 11:09:13,296 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse0) (or .cse2 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse0))) [2018-12-08 11:09:13,297 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse0))) [2018-12-08 11:09:13,297 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-08 11:09:13,297 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-12-08 11:09:13,297 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-12-08 11:09:13,297 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 11:09:13,298 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-12-08 11:09:13,298 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-12-08 11:09:13,298 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:09:13,298 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-12-08 11:09:13,298 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:09:13,298 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-12-08 11:09:13,298 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:09:13,298 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-12-08 11:09:13,298 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:09:13,299 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:09:13,299 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-08 11:09:13,299 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse4 .cse2 .cse1 .cse5 .cse3))) [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse4 .cse2 .cse1 .cse5 .cse3))) [2018-12-08 11:09:13,300 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~waterLevel~0 0))) (.cse1 (or .cse4 .cse5))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (< ~waterLevel~0 2) .cse1)))) [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse5 (or .cse2 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse6 .cse2 .cse7) (or (< ~waterLevel~0 2) .cse5) (or .cse0 .cse6 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse4)))) [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:09:13,300 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)) [2018-12-08 11:09:13,300 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< ~waterLevel~0 2)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse2))) [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< ~waterLevel~0 2)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse2))) [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 (< ~waterLevel~0 2) .cse1 .cse2 .cse3))) [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-08 11:09:13,301 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-12-08 11:09:13,302 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-12-08 11:09:13,302 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 0 ~pumpRunning~0) .cse1) .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse1)) (or .cse0 .cse7 .cse6 .cse3 .cse8 .cse4) (or .cse2 (and (not (= |old(~pumpRunning~0)| 0)) .cse5 .cse1) (or .cse3 .cse9) .cse10) (or .cse7 .cse3 .cse10 .cse4 .cse9) (or .cse7 .cse3 .cse8 .cse4 .cse9 .cse6) (or .cse0 .cse7 .cse10 .cse3 .cse4)))) [2018-12-08 11:09:13,302 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse13 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= ~systemActive~0 1))) (let ((.cse6 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse13 .cse12)) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not .cse12)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse3 .cse7 .cse5 .cse8) (or .cse6 (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10) .cse11 (or .cse3 .cse8)) (or .cse0 (and .cse9 .cse10) .cse11 .cse3 .cse5) (or .cse1 .cse3 .cse4 .cse5 .cse8 .cse2) (or .cse0 .cse1 .cse7 .cse3 .cse5)))) [2018-12-08 11:09:13,302 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse7 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (= 0 ~methAndRunningLastTime~0) .cse5) .cse6 .cse7 .cse1 .cse2) (or .cse7 (or .cse1 .cse3) (and (not (= |old(~pumpRunning~0)| 0)) .cse4 .cse5)) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and .cse5 (= 0 ~methAndRunningLastTime~0) .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6) .cse7 (or .cse2 .cse8)) (or .cse0 .cse7 .cse2 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse8)))) [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-12-08 11:09:13,302 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-08 11:09:13,302 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 11:09:13,303 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse4 .cse1 .cse2) .cse0) (or .cse5 (or .cse6 .cse2 .cse3)))) [2018-12-08 11:09:13,303 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse1 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse4 .cse0 .cse1) .cse3) (or .cse3 .cse5 (or .cse1 .cse2)))) [2018-12-08 11:09:13,303 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse3 .cse1 .cse2) .cse4) (or (or .cse5 .cse3 .cse1) .cse4) (or .cse5 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse0 .cse1) .cse3) (or .cse4 .cse5 .cse6 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 (or .cse6 .cse1 .cse2)))) [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-12-08 11:09:13,303 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse2 .cse5) (or .cse0 .cse4 .cse2) (or .cse3 .cse1 (or .cse2 .cse5)))) [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= ~systemActive~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse3 .cse5 (or .cse2 .cse6)))) [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (< |old(~waterLevel~0)| 2) .cse3 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1)))) [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-12-08 11:09:13,304 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-12-08 11:09:13,304 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-12-08 11:09:13,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:09:13 BoogieIcfgContainer [2018-12-08 11:09:13,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:09:13,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:09:13,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:09:13,315 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:09:13,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:09:04" (3/4) ... [2018-12-08 11:09:13,318 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 11:09:13,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 11:09:13,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 11:09:13,330 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 11:09:13,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 11:09:13,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 11:09:13,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 11:09:13,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:09:13,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:09:13,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:09:13,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:09:13,383 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78e94562-33c9-4aab-b382-3779681ca463/bin-2019/uautomizer/witness.graphml [2018-12-08 11:09:13,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:09:13,384 INFO L168 Benchmark]: Toolchain (without parser) took 9466.05 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 562.6 MB). Free memory was 956.0 MB in the beginning and 1.4 GB in the end (delta: -458.1 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:13,384 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:09:13,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:13,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:09:13,385 INFO L168 Benchmark]: Boogie Preprocessor took 21.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:09:13,385 INFO L168 Benchmark]: RCFGBuilder took 347.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:13,385 INFO L168 Benchmark]: TraceAbstraction took 8667.14 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 460.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -403.4 MB). Peak memory consumption was 565.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:13,385 INFO L168 Benchmark]: Witness Printer took 69.08 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:13,386 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 347.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8667.14 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 460.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -403.4 MB). Peak memory consumption was 565.6 MB. Max. memory is 11.5 GB. * Witness Printer took 69.08 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2489 SDtfs, 2255 SDslu, 7946 SDs, 0 SdLazy, 4568 SolverSat, 988 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 721 GetRequests, 598 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1890occurred 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 821 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3174 PreInvPairs, 3283 NumberOfFragments, 2739 HoareAnnotationTreeSize, 3174 FomulaSimplifications, 10765 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 12105 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1964 NumberOfCodeBlocks, 1964 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1948 ConstructedInterpolants, 0 QuantifiedInterpolants, 449874 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2943 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 518/559 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...