./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_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_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:15:06,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:15:06,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:15:06,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:15:06,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:15:06,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:15:06,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:15:06,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:15:06,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:15:06,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:15:06,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:15:06,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:15:06,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:15:06,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:15:06,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:15:06,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:15:06,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:15:06,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:15:06,338 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:15:06,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:15:06,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:15:06,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:15:06,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:15:06,341 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:15:06,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:15:06,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:15:06,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:15:06,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:15:06,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:15:06,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:15:06,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:15:06,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:15:06,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:15:06,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:15:06,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:15:06,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:15:06,345 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 18:15:06,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:15:06,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:15:06,353 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:15:06,353 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:15:06,353 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:15:06,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:15:06,353 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 18:15:06,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:15:06,354 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:15:06,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:15:06,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:15:06,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:15:06,355 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_a024494a-bb6e-446d-ba88-79cee6a66854/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2018-12-08 18:15:06,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:15:06,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:15:06,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:15:06,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:15:06,382 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:15:06,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-08 18:15:06,415 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/data/f7cc67c93/d2ba35efb876487c9eda853340e6a2cc/FLAG448808c39 [2018-12-08 18:15:06,886 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:15:06,886 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-08 18:15:06,892 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/data/f7cc67c93/d2ba35efb876487c9eda853340e6a2cc/FLAG448808c39 [2018-12-08 18:15:06,900 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/data/f7cc67c93/d2ba35efb876487c9eda853340e6a2cc [2018-12-08 18:15:06,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:15:06,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:15:06,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:15:06,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:15:06,906 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:15:06,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:15:06" (1/1) ... [2018-12-08 18:15:06,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:06, skipping insertion in model container [2018-12-08 18:15:06,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:15:06" (1/1) ... [2018-12-08 18:15:06,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:15:06,944 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:15:07,121 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:15:07,158 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:15:07,197 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:15:07,213 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:15:07,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07 WrapperNode [2018-12-08 18:15:07,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:15:07,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:15:07,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:15:07,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:15:07,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:15:07,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:15:07,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:15:07,235 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:15:07,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... [2018-12-08 18:15:07,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:15:07,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:15:07,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:15:07,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:15:07,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/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 18:15:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 18:15:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:15:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 18:15:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 18:15:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 18:15:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 18:15:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 18:15:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:15:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:15:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 18:15:07,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 18:15:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:15:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:15:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:15:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 18:15:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 18:15:07,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:15:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:15:07,607 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:15:07,607 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 18:15:07,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:15:07 BoogieIcfgContainer [2018-12-08 18:15:07,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:15:07,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:15:07,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:15:07,610 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:15:07,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:15:06" (1/3) ... [2018-12-08 18:15:07,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da8ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:15:07, skipping insertion in model container [2018-12-08 18:15:07,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:15:07" (2/3) ... [2018-12-08 18:15:07,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da8ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:15:07, skipping insertion in model container [2018-12-08 18:15:07,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:15:07" (3/3) ... [2018-12-08 18:15:07,612 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-12-08 18:15:07,617 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:15:07,622 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:15:07,631 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:15:07,649 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:15:07,649 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:15:07,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:15:07,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:15:07,649 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:15:07,649 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:15:07,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:15:07,649 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:15:07,649 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:15:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-12-08 18:15:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 18:15:07,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:07,667 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 18:15:07,668 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:07,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:07,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2014577701, now seen corresponding path program 1 times [2018-12-08 18:15:07,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:07,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:07,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:07,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:07,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:07,815 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 18:15:07,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:07,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:15:07,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:15:07,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:15:07,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:15:07,828 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-12-08 18:15:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:07,852 INFO L93 Difference]: Finished difference Result 286 states and 357 transitions. [2018-12-08 18:15:07,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:15:07,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 18:15:07,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:07,859 INFO L225 Difference]: With dead ends: 286 [2018-12-08 18:15:07,860 INFO L226 Difference]: Without dead ends: 145 [2018-12-08 18:15:07,862 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 18:15:07,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-08 18:15:07,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-08 18:15:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-08 18:15:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-12-08 18:15:07,893 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 51 [2018-12-08 18:15:07,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:07,894 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-12-08 18:15:07,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:15:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-12-08 18:15:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:15:07,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:07,896 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 18:15:07,896 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:07,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:07,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1805316760, now seen corresponding path program 1 times [2018-12-08 18:15:07,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:07,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:07,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:07,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:07,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:07,960 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 18:15:07,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:07,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:15:07,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:15:07,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:15:07,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:15:07,962 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 3 states. [2018-12-08 18:15:07,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:07,975 INFO L93 Difference]: Finished difference Result 225 states and 267 transitions. [2018-12-08 18:15:07,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:15:07,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 18:15:07,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:07,976 INFO L225 Difference]: With dead ends: 225 [2018-12-08 18:15:07,977 INFO L226 Difference]: Without dead ends: 136 [2018-12-08 18:15:07,977 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 18:15:07,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-08 18:15:07,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-08 18:15:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-08 18:15:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2018-12-08 18:15:07,985 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 52 [2018-12-08 18:15:07,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:07,985 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2018-12-08 18:15:07,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:15:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2018-12-08 18:15:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 18:15:07,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:07,987 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 18:15:07,987 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:07,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:07,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1269846208, now seen corresponding path program 1 times [2018-12-08 18:15:07,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:07,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:07,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:07,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:07,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:08,066 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 18:15:08,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:08,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:15:08,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:15:08,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:15:08,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:15:08,067 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 7 states. [2018-12-08 18:15:08,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:08,324 INFO L93 Difference]: Finished difference Result 403 states and 494 transitions. [2018-12-08 18:15:08,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:15:08,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 18:15:08,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:08,326 INFO L225 Difference]: With dead ends: 403 [2018-12-08 18:15:08,326 INFO L226 Difference]: Without dead ends: 295 [2018-12-08 18:15:08,326 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 18:15:08,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-12-08 18:15:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 283. [2018-12-08 18:15:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-12-08 18:15:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2018-12-08 18:15:08,347 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 57 [2018-12-08 18:15:08,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:08,348 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2018-12-08 18:15:08,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:15:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2018-12-08 18:15:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 18:15:08,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:08,349 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 18:15:08,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:08,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:08,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1395939551, now seen corresponding path program 1 times [2018-12-08 18:15:08,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:08,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:08,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:08,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:08,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:08,417 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 18:15:08,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:08,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:15:08,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:15:08,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:15:08,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:15:08,418 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand 6 states. [2018-12-08 18:15:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:08,530 INFO L93 Difference]: Finished difference Result 775 states and 972 transitions. [2018-12-08 18:15:08,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:15:08,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 18:15:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:08,532 INFO L225 Difference]: With dead ends: 775 [2018-12-08 18:15:08,532 INFO L226 Difference]: Without dead ends: 520 [2018-12-08 18:15:08,533 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 18:15:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-12-08 18:15:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 514. [2018-12-08 18:15:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-12-08 18:15:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 632 transitions. [2018-12-08 18:15:08,559 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 632 transitions. Word has length 62 [2018-12-08 18:15:08,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:08,559 INFO L480 AbstractCegarLoop]: Abstraction has 514 states and 632 transitions. [2018-12-08 18:15:08,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:15:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 632 transitions. [2018-12-08 18:15:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:15:08,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:08,561 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 18:15:08,561 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:08,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:08,562 INFO L82 PathProgramCache]: Analyzing trace with hash -428736037, now seen corresponding path program 1 times [2018-12-08 18:15:08,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:08,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:08,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:08,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:08,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:08,647 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 18:15:08,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:08,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:15:08,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:15:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:15:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:15:08,648 INFO L87 Difference]: Start difference. First operand 514 states and 632 transitions. Second operand 7 states. [2018-12-08 18:15:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:08,982 INFO L93 Difference]: Finished difference Result 1355 states and 1778 transitions. [2018-12-08 18:15:08,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 18:15:08,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 18:15:08,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:08,985 INFO L225 Difference]: With dead ends: 1355 [2018-12-08 18:15:08,985 INFO L226 Difference]: Without dead ends: 869 [2018-12-08 18:15:08,986 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 18:15:08,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-12-08 18:15:09,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 771. [2018-12-08 18:15:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-08 18:15:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 935 transitions. [2018-12-08 18:15:09,015 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 935 transitions. Word has length 66 [2018-12-08 18:15:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:09,016 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 935 transitions. [2018-12-08 18:15:09,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:15:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2018-12-08 18:15:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 18:15:09,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:09,017 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:09,018 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:09,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:09,018 INFO L82 PathProgramCache]: Analyzing trace with hash 170619660, now seen corresponding path program 1 times [2018-12-08 18:15:09,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:09,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:09,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:09,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:09,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:09,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:15:09,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:15:09,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:15:09,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:15:09,075 INFO L87 Difference]: Start difference. First operand 771 states and 935 transitions. Second operand 6 states. [2018-12-08 18:15:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:09,120 INFO L93 Difference]: Finished difference Result 1542 states and 1930 transitions. [2018-12-08 18:15:09,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:15:09,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-08 18:15:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:09,123 INFO L225 Difference]: With dead ends: 1542 [2018-12-08 18:15:09,123 INFO L226 Difference]: Without dead ends: 799 [2018-12-08 18:15:09,124 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 18:15:09,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2018-12-08 18:15:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 791. [2018-12-08 18:15:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-08 18:15:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-08 18:15:09,148 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 104 [2018-12-08 18:15:09,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:09,149 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-08 18:15:09,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:15:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-08 18:15:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 18:15:09,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:09,151 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:09,151 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:09,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:09,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2098892362, now seen corresponding path program 1 times [2018-12-08 18:15:09,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:09,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:09,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:09,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:09,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:09,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 18:15:09,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 18:15:09,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 18:15:09,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:15:09,212 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 8 states. [2018-12-08 18:15:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:09,265 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2018-12-08 18:15:09,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:15:09,266 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-08 18:15:09,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:09,269 INFO L225 Difference]: With dead ends: 1582 [2018-12-08 18:15:09,270 INFO L226 Difference]: Without dead ends: 819 [2018-12-08 18:15:09,272 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 18:15:09,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-08 18:15:09,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-12-08 18:15:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-12-08 18:15:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 971 transitions. [2018-12-08 18:15:09,311 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 971 transitions. Word has length 104 [2018-12-08 18:15:09,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:09,311 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 971 transitions. [2018-12-08 18:15:09,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 18:15:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 971 transitions. [2018-12-08 18:15:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 18:15:09,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:09,313 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:09,314 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:09,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:09,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1858352233, now seen corresponding path program 1 times [2018-12-08 18:15:09,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:09,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:09,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:09,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:15:09,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:15:09,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:15:09,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:15:09,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:15:09,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:15:09,394 INFO L87 Difference]: Start difference. First operand 807 states and 971 transitions. Second operand 4 states. [2018-12-08 18:15:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:09,567 INFO L93 Difference]: Finished difference Result 2553 states and 3222 transitions. [2018-12-08 18:15:09,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:15:09,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-08 18:15:09,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:09,575 INFO L225 Difference]: With dead ends: 2553 [2018-12-08 18:15:09,575 INFO L226 Difference]: Without dead ends: 1774 [2018-12-08 18:15:09,578 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 18:15:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2018-12-08 18:15:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2018-12-08 18:15:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2018-12-08 18:15:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2018-12-08 18:15:09,656 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 104 [2018-12-08 18:15:09,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:09,656 INFO L480 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2018-12-08 18:15:09,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:15:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2018-12-08 18:15:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 18:15:09,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:09,658 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:09,658 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:09,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:09,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1251545123, now seen corresponding path program 1 times [2018-12-08 18:15:09,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:09,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:09,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:09,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 18:15:09,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:15:09,754 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/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 18:15:09,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:09,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:15:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:15:09,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:15:09,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 18:15:09,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 18:15:09,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 18:15:09,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:15:09,984 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 19 states. [2018-12-08 18:15:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:10,624 INFO L93 Difference]: Finished difference Result 3428 states and 4278 transitions. [2018-12-08 18:15:10,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 18:15:10,624 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-08 18:15:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:10,628 INFO L225 Difference]: With dead ends: 3428 [2018-12-08 18:15:10,629 INFO L226 Difference]: Without dead ends: 1713 [2018-12-08 18:15:10,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 18:15:10,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2018-12-08 18:15:10,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2018-12-08 18:15:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-12-08 18:15:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2069 transitions. [2018-12-08 18:15:10,684 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2069 transitions. Word has length 108 [2018-12-08 18:15:10,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:10,685 INFO L480 AbstractCegarLoop]: Abstraction has 1713 states and 2069 transitions. [2018-12-08 18:15:10,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 18:15:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2069 transitions. [2018-12-08 18:15:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 18:15:10,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:10,688 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:10,689 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:10,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:10,689 INFO L82 PathProgramCache]: Analyzing trace with hash 323232170, now seen corresponding path program 1 times [2018-12-08 18:15:10,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:10,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:10,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:10,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:10,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 18:15:10,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:15:10,735 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/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 18:15:10,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:10,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:15:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:15:10,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:15:10,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-08 18:15:10,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:15:10,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:15:10,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:15:10,872 INFO L87 Difference]: Start difference. First operand 1713 states and 2069 transitions. Second operand 6 states. [2018-12-08 18:15:11,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:11,407 INFO L93 Difference]: Finished difference Result 3937 states and 5021 transitions. [2018-12-08 18:15:11,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:15:11,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-12-08 18:15:11,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:11,414 INFO L225 Difference]: With dead ends: 3937 [2018-12-08 18:15:11,414 INFO L226 Difference]: Without dead ends: 2576 [2018-12-08 18:15:11,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:15:11,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2018-12-08 18:15:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2239. [2018-12-08 18:15:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2018-12-08 18:15:11,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2717 transitions. [2018-12-08 18:15:11,490 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2717 transitions. Word has length 164 [2018-12-08 18:15:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:11,491 INFO L480 AbstractCegarLoop]: Abstraction has 2239 states and 2717 transitions. [2018-12-08 18:15:11,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:15:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2717 transitions. [2018-12-08 18:15:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 18:15:11,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:15:11,495 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:15:11,495 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:15:11,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:15:11,495 INFO L82 PathProgramCache]: Analyzing trace with hash 156364196, now seen corresponding path program 1 times [2018-12-08 18:15:11,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:15:11,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:15:11,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:11,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:11,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:15:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 18:15:11,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:15:11,591 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:15:11,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:15:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:15:11,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:15:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 18:15:11,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:15:11,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 18:15:11,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 18:15:11,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 18:15:11,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:15:11,802 INFO L87 Difference]: Start difference. First operand 2239 states and 2717 transitions. Second operand 19 states. [2018-12-08 18:15:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:15:12,456 INFO L93 Difference]: Finished difference Result 3935 states and 4861 transitions. [2018-12-08 18:15:12,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 18:15:12,456 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2018-12-08 18:15:12,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:15:12,458 INFO L225 Difference]: With dead ends: 3935 [2018-12-08 18:15:12,458 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:15:12,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 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 18:15:12,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:15:12,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:15:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:15:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:15:12,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-08 18:15:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:15:12,466 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:15:12,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 18:15:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:15:12,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:15:12,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:15:12,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:12,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:15:13,694 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-12-08 18:15:14,201 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 28 [2018-12-08 18:15:14,811 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2018-12-08 18:15:15,402 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-12-08 18:15:15,415 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-08 18:15:15,415 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-08 18:15:15,415 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-08 18:15:15,415 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-08 18:15:15,415 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-08 18:15:15,415 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 963 985) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,415 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 963 985) no Hoare annotation was computed. [2018-12-08 18:15:15,415 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,415 INFO L444 ceAbstractionStarter]: At program point L975-1(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,415 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 963 985) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L448 ceAbstractionStarter]: For program point L973-1(lines 973 980) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L448 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 18:15:15,416 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 292 316) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:15:15,416 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 292 316) no Hoare annotation was computed. [2018-12-08 18:15:15,416 INFO L444 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= 0 ~pumpRunning~0) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 451 465) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse6) (or .cse6 .cse5 .cse4) (or .cse1 .cse4))) [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 451 465) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (and (not (= ~systemActive~0 0)) .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 .cse2 .cse5) (or .cse3 .cse6 .cse7) (or .cse7 .cse6 .cse2)))) [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 451 465) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 387 395) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 387 395) the Hoare annotation is: true [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 387 395) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-08 18:15:15,417 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 952 962) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,417 INFO L444 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 952 962) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 952 962) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 376 386) the Hoare annotation is: true [2018-12-08 18:15:15,417 INFO L451 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2018-12-08 18:15:15,417 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 376 386) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 376 386) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 368 375) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 368 375) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 368 375) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 318 342) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 318 342) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 18:15:15,418 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-08 18:15:15,418 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2018-12-08 18:15:15,418 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse1 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L444 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-12-08 18:15:15,419 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 343 350) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 343 350) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 343 350) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 485 513) the Hoare annotation is: true [2018-12-08 18:15:15,420 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point L495-1(line 495) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 485 513) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L451 ceAbstractionStarter]: At program point L491(line 491) the Hoare annotation is: true [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point L491-1(line 491) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 485 513) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 477 484) the Hoare annotation is: true [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 477 484) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 477 484) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 351 367) no Hoare annotation was computed. [2018-12-08 18:15:15,420 INFO L444 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L362-1(lines 351 367) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 351 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 432 450) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L451 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 432 450) the Hoare annotation is: true [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 432 450) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse1 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse2 (= ~methaneLevelCritical~0 1)))) [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L451 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 891 920) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 891 920) the Hoare annotation is: true [2018-12-08 18:15:15,421 INFO L451 ceAbstractionStarter]: At program point L916(lines 891 920) the Hoare annotation is: true [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2018-12-08 18:15:15,421 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L451 ceAbstractionStarter]: At program point L905-1(lines 905 909) the Hoare annotation is: true [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L451 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: true [2018-12-08 18:15:15,422 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (not .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse1 .cse0) (or .cse5 .cse3 .cse4)))) [2018-12-08 18:15:15,422 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3))) [2018-12-08 18:15:15,422 INFO L444 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse7 (= 0 ~pumpRunning~0))) (and (or (and (not .cse0) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3) (or .cse6 .cse0 (<= 2 ~waterLevel~0) .cse4 .cse7) (or .cse5 .cse0 .cse7)))) [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse1 .cse4))) [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 945 951) no Hoare annotation was computed. [2018-12-08 18:15:15,422 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 945 951) the Hoare annotation is: true [2018-12-08 18:15:15,422 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-08 18:15:15,423 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 466 473) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 466 473) the Hoare annotation is: true [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 466 473) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 881 888) no Hoare annotation was computed. [2018-12-08 18:15:15,423 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 881 888) the Hoare annotation is: true [2018-12-08 18:15:15,423 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 881 888) no Hoare annotation was computed. [2018-12-08 18:15:15,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:15:15 BoogieIcfgContainer [2018-12-08 18:15:15,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:15:15,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:15:15,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:15:15,431 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:15:15,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:15:07" (3/4) ... [2018-12-08 18:15:15,433 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:15:15,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:15:15,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 18:15:15,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 18:15:15,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 18:15:15,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:15:15,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 18:15:15,444 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:15:15,444 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:15:15,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) [2018-12-08 18:15:15,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 18:15:15,483 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a024494a-bb6e-446d-ba88-79cee6a66854/bin-2019/uautomizer/witness.graphml [2018-12-08 18:15:15,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:15:15,484 INFO L168 Benchmark]: Toolchain (without parser) took 8581.76 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.7 MB). Free memory was 951.7 MB in the beginning and 977.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 314.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:15:15,484 INFO L168 Benchmark]: CDTParser took 0.11 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 18:15:15,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:15:15,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.59 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 18:15:15,485 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:15:15,485 INFO L168 Benchmark]: RCFGBuilder took 351.46 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:15:15,485 INFO L168 Benchmark]: TraceAbstraction took 7822.40 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.0 GB in the beginning and 988.1 MB in the end (delta: 57.4 MB). Peak memory consumption was 467.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:15:15,485 INFO L168 Benchmark]: Witness Printer took 53.08 ms. Allocated memory is still 1.4 GB. Free memory was 988.1 MB in the beginning and 977.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:15:15,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.12 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351.46 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7822.40 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.0 GB in the beginning and 988.1 MB in the end (delta: 57.4 MB). Peak memory consumption was 467.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.08 ms. Allocated memory is still 1.4 GB. Free memory was 988.1 MB in the beginning and 977.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: 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: 193]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2248 SDtfs, 1762 SDslu, 7919 SDs, 0 SdLazy, 3596 SolverSat, 532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 461 SyntacticMatches, 3 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2239occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 504 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4359 PreInvPairs, 4731 NumberOfFragments, 1666 HoareAnnotationTreeSize, 4359 FomulaSimplifications, 13051 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 67 FomulaSimplificationsInter, 28243 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1464 NumberOfCodeBlocks, 1464 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1450 ConstructedInterpolants, 0 QuantifiedInterpolants, 266303 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2644 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 211/219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...