./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56_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_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/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 730b837dafcd2995b5acc94906fc5437a0c170a6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:14:31,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:14:31,222 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:14:31,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:14:31,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:14:31,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:14:31,231 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:14:31,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:14:31,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:14:31,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:14:31,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:14:31,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:14:31,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:14:31,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:14:31,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:14:31,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:14:31,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:14:31,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:14:31,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:14:31,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:14:31,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:14:31,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:14:31,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:14:31,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:14:31,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:14:31,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:14:31,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:14:31,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:14:31,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:14:31,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:14:31,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:14:31,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:14:31,249 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:14:31,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:14:31,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:14:31,250 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:14:31,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 19:14:31,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:14:31,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:14:31,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:14:31,261 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:14:31,261 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:14:31,261 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:14:31,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:14:31,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:14:31,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:14:31,263 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:14:31,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:14:31,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:14:31,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:14:31,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:14:31,264 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 19:14:31,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:14:31,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:14:31,264 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_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2018-12-08 19:14:31,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:14:31,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:14:31,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:14:31,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:14:31,296 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:14:31,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-08 19:14:31,331 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/data/c13dee509/4c2885c50e714b3380f69b88e08e07f5/FLAG6d2b19a15 [2018-12-08 19:14:31,690 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:14:31,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-08 19:14:31,697 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/data/c13dee509/4c2885c50e714b3380f69b88e08e07f5/FLAG6d2b19a15 [2018-12-08 19:14:32,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/data/c13dee509/4c2885c50e714b3380f69b88e08e07f5 [2018-12-08 19:14:32,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:14:32,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:14:32,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:14:32,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:14:32,066 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:14:32,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cd0b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32, skipping insertion in model container [2018-12-08 19:14:32,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:14:32,094 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:14:32,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:14:32,279 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:14:32,329 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:14:32,348 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:14:32,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32 WrapperNode [2018-12-08 19:14:32,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:14:32,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:14:32,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:14:32,349 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:14:32,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:14:32,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:14:32,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:14:32,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:14:32,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... [2018-12-08 19:14:32,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:14:32,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:14:32,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:14:32,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:14:32,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/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 19:14:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 19:14:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 19:14:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:14:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 19:14:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 19:14:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 19:14:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 19:14:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 19:14:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 19:14:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:14:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:14:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 19:14:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 19:14:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 19:14:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 19:14:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:14:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:14:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:14:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:14:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 19:14:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 19:14:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 19:14:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 19:14:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:14:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:14:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:14:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:14:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:14:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:14:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 19:14:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 19:14:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 19:14:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:14:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:14:32,718 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:14:32,719 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 19:14:32,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:14:32 BoogieIcfgContainer [2018-12-08 19:14:32,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:14:32,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:14:32,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:14:32,721 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:14:32,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:14:32" (1/3) ... [2018-12-08 19:14:32,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd6a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:14:32, skipping insertion in model container [2018-12-08 19:14:32,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:14:32" (2/3) ... [2018-12-08 19:14:32,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd6a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:14:32, skipping insertion in model container [2018-12-08 19:14:32,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:14:32" (3/3) ... [2018-12-08 19:14:32,724 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-08 19:14:32,732 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:14:32,738 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:14:32,749 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:14:32,766 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:14:32,766 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:14:32,766 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:14:32,767 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:14:32,767 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:14:32,767 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:14:32,767 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:14:32,767 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:14:32,767 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:14:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-12-08 19:14:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:14:32,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:32,785 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 19:14:32,787 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:32,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:32,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1663289692, now seen corresponding path program 1 times [2018-12-08 19:14:32,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:32,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:32,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:32,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:32,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:32,939 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 19:14:32,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:32,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:14:32,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:14:32,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:14:32,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:14:32,952 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-12-08 19:14:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:32,976 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2018-12-08 19:14:32,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:14:32,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 19:14:32,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:32,984 INFO L225 Difference]: With dead ends: 312 [2018-12-08 19:14:32,985 INFO L226 Difference]: Without dead ends: 158 [2018-12-08 19:14:32,987 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 19:14:32,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-12-08 19:14:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-12-08 19:14:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-12-08 19:14:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2018-12-08 19:14:33,019 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2018-12-08 19:14:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:33,019 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2018-12-08 19:14:33,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:14:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2018-12-08 19:14:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:14:33,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:33,021 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 19:14:33,021 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:33,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:33,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1634703477, now seen corresponding path program 1 times [2018-12-08 19:14:33,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:33,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:33,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:33,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:33,071 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 19:14:33,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:33,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:14:33,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:14:33,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:14:33,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:14:33,073 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 3 states. [2018-12-08 19:14:33,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:33,088 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2018-12-08 19:14:33,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:14:33,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 19:14:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:33,090 INFO L225 Difference]: With dead ends: 251 [2018-12-08 19:14:33,090 INFO L226 Difference]: Without dead ends: 149 [2018-12-08 19:14:33,091 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 19:14:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-08 19:14:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-08 19:14:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-08 19:14:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2018-12-08 19:14:33,099 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2018-12-08 19:14:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:33,099 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2018-12-08 19:14:33,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:14:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2018-12-08 19:14:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:14:33,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:33,100 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 19:14:33,101 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:33,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:33,101 INFO L82 PathProgramCache]: Analyzing trace with hash -765868889, now seen corresponding path program 1 times [2018-12-08 19:14:33,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:33,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:33,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:33,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:33,164 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 19:14:33,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:33,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:14:33,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:14:33,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:14:33,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:14:33,165 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 7 states. [2018-12-08 19:14:33,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:33,480 INFO L93 Difference]: Finished difference Result 442 states and 542 transitions. [2018-12-08 19:14:33,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:14:33,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 19:14:33,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:33,483 INFO L225 Difference]: With dead ends: 442 [2018-12-08 19:14:33,483 INFO L226 Difference]: Without dead ends: 321 [2018-12-08 19:14:33,485 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 19:14:33,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-12-08 19:14:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2018-12-08 19:14:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-12-08 19:14:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 378 transitions. [2018-12-08 19:14:33,515 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 378 transitions. Word has length 57 [2018-12-08 19:14:33,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:33,515 INFO L480 AbstractCegarLoop]: Abstraction has 309 states and 378 transitions. [2018-12-08 19:14:33,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:14:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 378 transitions. [2018-12-08 19:14:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 19:14:33,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:33,518 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] [2018-12-08 19:14:33,518 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:33,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:33,519 INFO L82 PathProgramCache]: Analyzing trace with hash 677225223, now seen corresponding path program 1 times [2018-12-08 19:14:33,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:33,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:33,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:33,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:33,588 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 19:14:33,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:33,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:14:33,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:14:33,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:14:33,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:14:33,589 INFO L87 Difference]: Start difference. First operand 309 states and 378 transitions. Second operand 6 states. [2018-12-08 19:14:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:33,729 INFO L93 Difference]: Finished difference Result 853 states and 1068 transitions. [2018-12-08 19:14:33,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:14:33,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 19:14:33,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:33,732 INFO L225 Difference]: With dead ends: 853 [2018-12-08 19:14:33,732 INFO L226 Difference]: Without dead ends: 572 [2018-12-08 19:14:33,733 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 19:14:33,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-08 19:14:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-12-08 19:14:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-08 19:14:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 696 transitions. [2018-12-08 19:14:33,766 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 696 transitions. Word has length 62 [2018-12-08 19:14:33,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:33,766 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 696 transitions. [2018-12-08 19:14:33,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:14:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 696 transitions. [2018-12-08 19:14:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 19:14:33,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:33,768 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] [2018-12-08 19:14:33,768 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:33,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:33,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1831613501, now seen corresponding path program 1 times [2018-12-08 19:14:33,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:33,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:33,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:33,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:33,813 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 19:14:33,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:33,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:14:33,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:14:33,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:14:33,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:14:33,814 INFO L87 Difference]: Start difference. First operand 566 states and 696 transitions. Second operand 7 states. [2018-12-08 19:14:34,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:34,202 INFO L93 Difference]: Finished difference Result 1463 states and 1926 transitions. [2018-12-08 19:14:34,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:14:34,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 19:14:34,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:34,205 INFO L225 Difference]: With dead ends: 1463 [2018-12-08 19:14:34,205 INFO L226 Difference]: Without dead ends: 925 [2018-12-08 19:14:34,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 19:14:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-12-08 19:14:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 827. [2018-12-08 19:14:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-08 19:14:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1007 transitions. [2018-12-08 19:14:34,239 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1007 transitions. Word has length 66 [2018-12-08 19:14:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:34,239 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1007 transitions. [2018-12-08 19:14:34,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:14:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1007 transitions. [2018-12-08 19:14:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:14:34,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:34,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:14:34,241 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:34,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:34,242 INFO L82 PathProgramCache]: Analyzing trace with hash -139804171, now seen corresponding path program 1 times [2018-12-08 19:14:34,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:34,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:34,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:34,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:34,292 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 19:14:34,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:34,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:14:34,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:14:34,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:14:34,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:14:34,294 INFO L87 Difference]: Start difference. First operand 827 states and 1007 transitions. Second operand 6 states. [2018-12-08 19:14:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:34,341 INFO L93 Difference]: Finished difference Result 1646 states and 2044 transitions. [2018-12-08 19:14:34,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:14:34,342 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-08 19:14:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:34,346 INFO L225 Difference]: With dead ends: 1646 [2018-12-08 19:14:34,346 INFO L226 Difference]: Without dead ends: 847 [2018-12-08 19:14:34,348 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 19:14:34,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2018-12-08 19:14:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2018-12-08 19:14:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-12-08 19:14:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-12-08 19:14:34,376 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 94 [2018-12-08 19:14:34,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:34,376 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-12-08 19:14:34,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:14:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-12-08 19:14:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:14:34,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:34,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:14:34,378 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:34,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash -212190729, now seen corresponding path program 1 times [2018-12-08 19:14:34,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:34,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:34,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:34,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:34,437 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 19:14:34,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:34,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:14:34,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:14:34,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:14:34,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:14:34,438 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 8 states. [2018-12-08 19:14:34,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:34,490 INFO L93 Difference]: Finished difference Result 1694 states and 2130 transitions. [2018-12-08 19:14:34,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:14:34,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-08 19:14:34,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:34,493 INFO L225 Difference]: With dead ends: 1694 [2018-12-08 19:14:34,493 INFO L226 Difference]: Without dead ends: 875 [2018-12-08 19:14:34,494 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 19:14:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2018-12-08 19:14:34,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 863. [2018-12-08 19:14:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2018-12-08 19:14:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1043 transitions. [2018-12-08 19:14:34,529 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1043 transitions. Word has length 94 [2018-12-08 19:14:34,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:34,530 INFO L480 AbstractCegarLoop]: Abstraction has 863 states and 1043 transitions. [2018-12-08 19:14:34,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:14:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1043 transitions. [2018-12-08 19:14:34,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:14:34,531 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:34,531 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:14:34,531 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:34,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:34,531 INFO L82 PathProgramCache]: Analyzing trace with hash 117575032, now seen corresponding path program 1 times [2018-12-08 19:14:34,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:34,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:34,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:34,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:34,572 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 19:14:34,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:34,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:14:34,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:14:34,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:14:34,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:14:34,573 INFO L87 Difference]: Start difference. First operand 863 states and 1043 transitions. Second operand 4 states. [2018-12-08 19:14:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:34,757 INFO L93 Difference]: Finished difference Result 2789 states and 3534 transitions. [2018-12-08 19:14:34,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:14:34,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-08 19:14:34,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:34,765 INFO L225 Difference]: With dead ends: 2789 [2018-12-08 19:14:34,766 INFO L226 Difference]: Without dead ends: 1954 [2018-12-08 19:14:34,768 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 19:14:34,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-12-08 19:14:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1923. [2018-12-08 19:14:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2018-12-08 19:14:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2383 transitions. [2018-12-08 19:14:34,853 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2383 transitions. Word has length 94 [2018-12-08 19:14:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:34,853 INFO L480 AbstractCegarLoop]: Abstraction has 1923 states and 2383 transitions. [2018-12-08 19:14:34,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:14:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2383 transitions. [2018-12-08 19:14:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 19:14:34,855 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:34,855 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:14:34,855 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:34,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:34,856 INFO L82 PathProgramCache]: Analyzing trace with hash 590785298, now seen corresponding path program 1 times [2018-12-08 19:14:34,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:34,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:34,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:34,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:34,898 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 19:14:34,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:34,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:14:34,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:14:34,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:14:34,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:14:34,899 INFO L87 Difference]: Start difference. First operand 1923 states and 2383 transitions. Second operand 3 states. [2018-12-08 19:14:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:34,974 INFO L93 Difference]: Finished difference Result 3114 states and 3973 transitions. [2018-12-08 19:14:34,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:14:34,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-08 19:14:34,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:34,982 INFO L225 Difference]: With dead ends: 3114 [2018-12-08 19:14:34,983 INFO L226 Difference]: Without dead ends: 3111 [2018-12-08 19:14:34,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:14:34,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2018-12-08 19:14:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2951. [2018-12-08 19:14:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-12-08 19:14:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3777 transitions. [2018-12-08 19:14:35,085 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3777 transitions. Word has length 98 [2018-12-08 19:14:35,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:35,085 INFO L480 AbstractCegarLoop]: Abstraction has 2951 states and 3777 transitions. [2018-12-08 19:14:35,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:14:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3777 transitions. [2018-12-08 19:14:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 19:14:35,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:35,091 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:14:35,092 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:35,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:35,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1889138459, now seen corresponding path program 1 times [2018-12-08 19:14:35,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:35,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:35,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:35,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:35,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:14:35,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:14:35,159 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/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 19:14:35,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:35,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:14:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:14:35,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:14:35,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-08 19:14:35,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:14:35,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:14:35,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:14:35,358 INFO L87 Difference]: Start difference. First operand 2951 states and 3777 transitions. Second operand 8 states. [2018-12-08 19:14:35,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:35,547 INFO L93 Difference]: Finished difference Result 5354 states and 6942 transitions. [2018-12-08 19:14:35,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:14:35,547 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2018-12-08 19:14:35,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:35,554 INFO L225 Difference]: With dead ends: 5354 [2018-12-08 19:14:35,555 INFO L226 Difference]: Without dead ends: 2775 [2018-12-08 19:14:35,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:14:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2018-12-08 19:14:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2004. [2018-12-08 19:14:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2018-12-08 19:14:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2312 transitions. [2018-12-08 19:14:35,641 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2312 transitions. Word has length 162 [2018-12-08 19:14:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:35,641 INFO L480 AbstractCegarLoop]: Abstraction has 2004 states and 2312 transitions. [2018-12-08 19:14:35,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:14:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2312 transitions. [2018-12-08 19:14:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 19:14:35,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:35,645 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:14:35,645 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:35,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:35,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1841766032, now seen corresponding path program 1 times [2018-12-08 19:14:35,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:35,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:35,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:35,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:35,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 19:14:35,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:14:35,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:14:35,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:14:35,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:14:35,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:14:35,686 INFO L87 Difference]: Start difference. First operand 2004 states and 2312 transitions. Second operand 3 states. [2018-12-08 19:14:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:35,758 INFO L93 Difference]: Finished difference Result 3092 states and 3577 transitions. [2018-12-08 19:14:35,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:14:35,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-12-08 19:14:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:35,761 INFO L225 Difference]: With dead ends: 3092 [2018-12-08 19:14:35,761 INFO L226 Difference]: Without dead ends: 1116 [2018-12-08 19:14:35,764 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 19:14:35,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-08 19:14:35,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1093. [2018-12-08 19:14:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2018-12-08 19:14:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1246 transitions. [2018-12-08 19:14:35,799 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1246 transitions. Word has length 171 [2018-12-08 19:14:35,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:35,800 INFO L480 AbstractCegarLoop]: Abstraction has 1093 states and 1246 transitions. [2018-12-08 19:14:35,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:14:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1246 transitions. [2018-12-08 19:14:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 19:14:35,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:14:35,802 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:14:35,802 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:14:35,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:14:35,802 INFO L82 PathProgramCache]: Analyzing trace with hash -46085140, now seen corresponding path program 1 times [2018-12-08 19:14:35,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:14:35,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:14:35,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:35,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:35,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:14:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 19:14:35,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:14:35,922 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/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 19:14:35,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:14:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:14:36,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:14:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:14:36,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:14:36,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 19:14:36,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 19:14:36,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 19:14:36,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 19:14:36,135 INFO L87 Difference]: Start difference. First operand 1093 states and 1246 transitions. Second operand 19 states. [2018-12-08 19:14:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:14:36,793 INFO L93 Difference]: Finished difference Result 1968 states and 2261 transitions. [2018-12-08 19:14:36,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 19:14:36,794 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 175 [2018-12-08 19:14:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:14:36,794 INFO L225 Difference]: With dead ends: 1968 [2018-12-08 19:14:36,794 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:14:36,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 172 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 19:14:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:14:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:14:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:14:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:14:36,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-08 19:14:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:14:36,797 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:14:36,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 19:14:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:14:36,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:14:36,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:14:36,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:36,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:37,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:14:38,042 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2018-12-08 19:14:38,261 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2018-12-08 19:14:39,448 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2018-12-08 19:14:39,852 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2018-12-08 19:14:39,852 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2018-12-08 19:14:39,852 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2018-12-08 19:14:39,852 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2018-12-08 19:14:39,853 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2018-12-08 19:14:39,853 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,853 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2018-12-08 19:14:39,853 INFO L444 ceAbstractionStarter]: At program point L1011(line 1011) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,853 INFO L444 ceAbstractionStarter]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,853 INFO L448 ceAbstractionStarter]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2018-12-08 19:14:39,853 INFO L448 ceAbstractionStarter]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2018-12-08 19:14:39,853 INFO L448 ceAbstractionStarter]: For program point L1007(line 1007) no Hoare annotation was computed. [2018-12-08 19:14:39,853 INFO L444 ceAbstractionStarter]: At program point L1006(line 1006) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,853 INFO L444 ceAbstractionStarter]: At program point L1005(line 1005) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,853 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L444 ceAbstractionStarter]: At program point L1005-1(line 1005) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0)))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse5 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1) (or .cse1 .cse2) (or (or .cse3 .cse4) .cse2 .cse5) (or .cse0 .cse3 .cse4 .cse5))) [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0)))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse5 (and (= ~systemActive~0 1) .cse1))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse2 .cse5) (or .cse6 .cse0 .cse1) (or .cse6 .cse3 .cse4 .cse5)))) [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 788) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L451 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-08 19:14:39,854 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2018-12-08 19:14:39,855 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,855 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L451 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: true [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2018-12-08 19:14:39,855 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (or .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-08 19:14:39,855 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) (and (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1) .cse2) (or .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3)))) [2018-12-08 19:14:39,856 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (not (= ~methAndRunningLastTime~0 0)))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse3 .cse4) (or .cse2 .cse0) (or (or .cse3 .cse4) .cse1)))) [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (not (= ~methAndRunningLastTime~0 0)))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse0) (or (or .cse3 .cse4) .cse1 .cse5)))) [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or (or .cse1 .cse2) .cse5 .cse3) (or .cse0 .cse3 .cse4)))) [2018-12-08 19:14:39,856 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse4 .cse3) (or (or .cse1 .cse2) .cse5)))) [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-12-08 19:14:39,856 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2018-12-08 19:14:39,857 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point L830(lines 829 878) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2) (and .cse5 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 874) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse3 .cse4))) [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2018-12-08 19:14:39,857 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 878) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and (not (= ~waterLevel~0 1)) .cse6 .cse5 .cse2 .cse3))) [2018-12-08 19:14:39,858 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~systemActive~0 0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse6 .cse3) .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse7 .cse2 .cse3))) [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L444 ceAbstractionStarter]: At program point L879(lines 828 880) 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 19:14:39,858 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (and .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse6 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse6 .cse2))) [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L444 ceAbstractionStarter]: At program point L867-1(lines 859 874) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and .cse0 .cse5 .cse3)) (and .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse7 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse7 .cse2 .cse3) (and .cse4 .cse5 .cse7 .cse3))) [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-08 19:14:39,858 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse6 .cse8 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse6 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5)))) [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse6 .cse8 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse6 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5)))) [2018-12-08 19:14:39,859 INFO L444 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse5 .cse4)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse2 (= ~waterLevel~0 1) .cse3 .cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or .cse3 .cse4) .cse1) (or .cse5 .cse6 .cse1) (or .cse5 .cse2 .cse6)))) [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not .cse8)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse8 .cse5 .cse9 .cse1 .cse7) (or .cse3 .cse0 .cse1 .cse6 .cse7 .cse5) (or (or .cse9 .cse1) .cse2) (or .cse0 .cse4 .cse2)))) [2018-12-08 19:14:39,859 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2018-12-08 19:14:39,859 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 684 691) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (let ((.cse10 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (or .cse10 .cse6 .cse7)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse9 (or .cse10 .cse7)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= ~systemActive~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0) (or .cse5 .cse6 .cse7 .cse2 .cse1) (or .cse3 .cse5 .cse6 .cse4) (or .cse4 .cse3 .cse8 .cse9) (or .cse9 .cse1 .cse8 .cse2)))) [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2018-12-08 19:14:39,860 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2018-12-08 19:14:39,861 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2018-12-08 19:14:39,861 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2018-12-08 19:14:39,861 INFO L451 ceAbstractionStarter]: At program point L952(lines 927 956) the Hoare annotation is: true [2018-12-08 19:14:39,861 INFO L448 ceAbstractionStarter]: For program point L948(line 948) no Hoare annotation was computed. [2018-12-08 19:14:39,861 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 945) no Hoare annotation was computed. [2018-12-08 19:14:39,861 INFO L451 ceAbstractionStarter]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2018-12-08 19:14:39,861 INFO L448 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2018-12-08 19:14:39,861 INFO L451 ceAbstractionStarter]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2018-12-08 19:14:39,861 INFO L451 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: true [2018-12-08 19:14:39,861 INFO L448 ceAbstractionStarter]: For program point L933-1(line 933) no Hoare annotation was computed. [2018-12-08 19:14:39,861 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 1 ~waterLevel~0)) (.cse13 (= 0 ~methAndRunningLastTime~0))) (let ((.cse3 (and .cse9 .cse13)) (.cse2 (not (= ~systemActive~0 0))) (.cse12 (or .cse1 .cse10 .cse5)) (.cse11 (and .cse13 .cse7)) (.cse6 (or .cse14 .cse10)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or .cse1 .cse2 .cse7 .cse8) (or .cse1 .cse9 .cse10 .cse4 .cse5 .cse8) (or .cse0 (or .cse2 .cse1) .cse7) (or .cse0 .cse11 .cse12) (or .cse3 .cse1 .cse2 .cse4 .cse5 .cse8) (or .cse12 .cse11 .cse8) (or .cse6 .cse7 .cse8) (or .cse0 .cse13 (or .cse14 .cse10 .cse5)) (or .cse0 .cse1 .cse10 .cse4 .cse5 .cse9)))) [2018-12-08 19:14:39,861 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (not (= ~systemActive~0 0))) (.cse11 (or .cse0 .cse7 .cse9)) (.cse10 (and .cse12 .cse5)) (.cse4 (or .cse13 .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 (or .cse1 .cse0)) (or .cse0 .cse6 .cse7 .cse8 .cse9 .cse2) (or .cse3 .cse10 .cse11) (or .cse11 .cse10 .cse2) (or .cse4 .cse5 .cse2) (or .cse3 .cse12 (or .cse13 .cse7 .cse9)) (or .cse3 .cse0 .cse7 .cse8 .cse9 .cse6)))) [2018-12-08 19:14:39,861 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L444 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~systemActive~0 1)))) (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse12)) (.cse6 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (or .cse5 .cse12 .cse9)) (.cse11 (and (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 1) .cse13)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (and (= 1 ~waterLevel~0) .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse4 .cse0 .cse1) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 (or .cse6 .cse5) .cse2) (or .cse2 .cse10 .cse11 .cse3) (or .cse7 .cse5 .cse6 .cse8 .cse9 .cse3) (or .cse4 .cse2 .cse10 .cse11) (or .cse5 .cse7 .cse12 .cse8 .cse9 .cse3) (or .cse4 .cse5 .cse12 .cse8 .cse9 .cse7)))) [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (or .cse7 .cse8)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (or .cse0 .cse8 .cse9)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 (or .cse1 .cse0)) (or .cse3 .cse6) (or .cse4 .cse5 .cse2) (or .cse6 .cse2) (or .cse3 (= 0 ~methAndRunningLastTime~0) (or .cse7 .cse8 .cse9))))) [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point L579(lines 578 597) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: true [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-08 19:14:39,862 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2018-12-08 19:14:39,862 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:14:39,862 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 19:14:39,862 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2018-12-08 19:14:39,863 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: true [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2018-12-08 19:14:39,863 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 .cse1 .cse2) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0)))) [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2018-12-08 19:14:39,863 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2018-12-08 19:14:39,863 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0)))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2)))) [2018-12-08 19:14:39,863 INFO L444 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse5 (or .cse0 .cse1 .cse3)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse5 (and .cse2 .cse6)) (or .cse5 .cse6 .cse4) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse4)))) [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2018-12-08 19:14:39,863 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0)))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2)))) [2018-12-08 19:14:39,863 INFO L448 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4))) [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 649) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point L639-1(line 639) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 654) no Hoare annotation was computed. [2018-12-08 19:14:39,864 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 .cse1 .cse2) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0)))) [2018-12-08 19:14:39,865 INFO L444 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0)))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2)))) [2018-12-08 19:14:39,865 INFO L448 ceAbstractionStarter]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2018-12-08 19:14:39,865 INFO L444 ceAbstractionStarter]: At program point L647(line 647) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 19:14:39,865 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 19:14:39,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:14:39 BoogieIcfgContainer [2018-12-08 19:14:39,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:14:39,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:14:39,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:14:39,874 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:14:39,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:14:32" (3/4) ... [2018-12-08 19:14:39,877 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 19:14:39,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 19:14:39,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 19:14:39,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 19:14:39,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 19:14:39,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:14:39,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 19:14:39,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 19:14:39,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 19:14:39,888 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 19:14:39,888 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 19:14:39,888 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 19:14:39,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 19:14:39,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:14:39,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:14:39,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((!(waterLevel == 1) && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-08 19:14:39,908 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 19:14:39,933 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee9b21c0-4f0c-4653-a35a-b62fc9cb0602/bin-2019/uautomizer/witness.graphml [2018-12-08 19:14:39,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:14:39,934 INFO L168 Benchmark]: Toolchain (without parser) took 7870.47 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 421.5 MB). Free memory was 950.6 MB in the beginning and 846.7 MB in the end (delta: 104.0 MB). Peak memory consumption was 525.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:14:39,934 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:14:39,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:14:39,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:14:39,935 INFO L168 Benchmark]: Boogie Preprocessor took 21.62 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 19:14:39,935 INFO L168 Benchmark]: RCFGBuilder took 326.52 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:14:39,935 INFO L168 Benchmark]: TraceAbstraction took 7154.01 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 323.5 MB). Free memory was 1.0 GB in the beginning and 859.5 MB in the end (delta: 161.5 MB). Peak memory consumption was 486.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:14:39,935 INFO L168 Benchmark]: Witness Printer took 59.99 ms. Allocated memory is still 1.5 GB. Free memory was 859.5 MB in the beginning and 846.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:14:39,936 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.62 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 326.52 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7154.01 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 323.5 MB). Free memory was 1.0 GB in the beginning and 859.5 MB in the end (delta: 161.5 MB). Peak memory consumption was 486.4 MB. Max. memory is 11.5 GB. * Witness Printer took 59.99 ms. Allocated memory is still 1.5 GB. Free memory was 859.5 MB in the beginning and 846.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 828]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((!(waterLevel == 1) && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 171 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2518 SDtfs, 1500 SDslu, 7408 SDs, 0 SdLazy, 2238 SolverSat, 215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 376 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2951occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1113 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4360 PreInvPairs, 4457 NumberOfFragments, 3655 HoareAnnotationTreeSize, 4360 FomulaSimplifications, 7830 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 12357 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1499 ConstructedInterpolants, 0 QuantifiedInterpolants, 299490 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1879 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 262/272 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...