./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43_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_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77b70849cb3dcecd37b0edacca9651109dbc42ac ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:43:11,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:43:11,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:43:11,312 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:43:11,312 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:43:11,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:43:11,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:43:11,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:43:11,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:43:11,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:43:11,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:43:11,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:43:11,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:43:11,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:43:11,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:43:11,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:43:11,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:43:11,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:43:11,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:43:11,321 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:43:11,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:43:11,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:43:11,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:43:11,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:43:11,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:43:11,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:43:11,325 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:43:11,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:43:11,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:43:11,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:43:11,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:43:11,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:43:11,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:43:11,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:43:11,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:43:11,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:43:11,328 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:43:11,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:43:11,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:43:11,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:43:11,337 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:43:11,337 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:43:11,337 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:43:11,337 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:43:11,337 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:43:11,337 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:43:11,338 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:43:11,338 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:43:11,338 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:43:11,338 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:43:11,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:43:11,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:43:11,339 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:43:11,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:43:11,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:43:11,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:43:11,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:43:11,340 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:43:11,340 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:43:11,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:43:11,340 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:43:11,341 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan 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 -> Taipan 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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2018-12-09 00:43:11,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:43:11,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:43:11,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:43:11,372 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:43:11,372 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:43:11,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-12-09 00:43:11,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/data/ed0b0b38c/a349a43a882e4acc9fcb22a28416f528/FLAGa94e5227d [2018-12-09 00:43:11,858 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:43:11,859 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/sv-benchmarks/c/product-lines/minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-12-09 00:43:11,864 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/data/ed0b0b38c/a349a43a882e4acc9fcb22a28416f528/FLAGa94e5227d [2018-12-09 00:43:11,872 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/data/ed0b0b38c/a349a43a882e4acc9fcb22a28416f528 [2018-12-09 00:43:11,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:43:11,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:43:11,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:43:11,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:43:11,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:43:11,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:43:11" (1/1) ... [2018-12-09 00:43:11,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:11, skipping insertion in model container [2018-12-09 00:43:11,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:43:11" (1/1) ... [2018-12-09 00:43:11,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:43:11,903 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:43:12,046 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:43:12,085 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:43:12,124 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:43:12,139 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:43:12,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12 WrapperNode [2018-12-09 00:43:12,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:43:12,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:43:12,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:43:12,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:43:12,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:43:12,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:43:12,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:43:12,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:43:12,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... [2018-12-09 00:43:12,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:43:12,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:43:12,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:43:12,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:43:12,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/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 [2018-12-09 00:43:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:43:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:43:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 00:43:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:43:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:43:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:43:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:43:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:43:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:43:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:43:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:43:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:43:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:43:12,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:43:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:43:12,521 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:43:12,521 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:43:12,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:43:12 BoogieIcfgContainer [2018-12-09 00:43:12,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:43:12,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:43:12,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:43:12,525 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:43:12,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:43:11" (1/3) ... [2018-12-09 00:43:12,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273fe6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:43:12, skipping insertion in model container [2018-12-09 00:43:12,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:43:12" (2/3) ... [2018-12-09 00:43:12,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273fe6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:43:12, skipping insertion in model container [2018-12-09 00:43:12,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:43:12" (3/3) ... [2018-12-09 00:43:12,528 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43_true-unreach-call_false-termination.cil.c [2018-12-09 00:43:12,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:43:12,543 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:43:12,557 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:43:12,577 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:43:12,577 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:43:12,577 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:43:12,577 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:43:12,577 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:43:12,577 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:43:12,577 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:43:12,577 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:43:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-12-09 00:43:12,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 00:43:12,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:12,596 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] [2018-12-09 00:43:12,597 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:12,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:12,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1659130282, now seen corresponding path program 1 times [2018-12-09 00:43:12,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:12,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:12,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:12,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:12,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:12,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:12,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:43:12,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:12,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:43:12,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:43:12,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:43:12,763 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-12-09 00:43:12,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:12,786 INFO L93 Difference]: Finished difference Result 274 states and 335 transitions. [2018-12-09 00:43:12,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:43:12,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 00:43:12,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:12,794 INFO L225 Difference]: With dead ends: 274 [2018-12-09 00:43:12,794 INFO L226 Difference]: Without dead ends: 139 [2018-12-09 00:43:12,796 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 [2018-12-09 00:43:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-09 00:43:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-09 00:43:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-09 00:43:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2018-12-09 00:43:12,826 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2018-12-09 00:43:12,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:12,826 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2018-12-09 00:43:12,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:43:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2018-12-09 00:43:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 00:43:12,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:12,828 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] [2018-12-09 00:43:12,828 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:12,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:12,828 INFO L82 PathProgramCache]: Analyzing trace with hash -340774322, now seen corresponding path program 1 times [2018-12-09 00:43:12,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:12,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:12,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:12,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:12,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:12,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:12,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:43:12,890 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:12,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:43:12,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:43:12,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:43:12,891 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 3 states. [2018-12-09 00:43:12,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:12,904 INFO L93 Difference]: Finished difference Result 214 states and 247 transitions. [2018-12-09 00:43:12,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:43:12,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 00:43:12,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:12,905 INFO L225 Difference]: With dead ends: 214 [2018-12-09 00:43:12,905 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 00:43:12,906 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 [2018-12-09 00:43:12,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 00:43:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 00:43:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 00:43:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2018-12-09 00:43:12,913 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2018-12-09 00:43:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:12,913 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2018-12-09 00:43:12,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:43:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2018-12-09 00:43:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:43:12,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:12,914 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] [2018-12-09 00:43:12,915 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:12,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:12,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1212483014, now seen corresponding path program 1 times [2018-12-09 00:43:12,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:12,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:12,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:12,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:12,916 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:13,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:13,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:13,001 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:13,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:13,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:13,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:13,001 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 7 states. [2018-12-09 00:43:13,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:13,233 INFO L93 Difference]: Finished difference Result 390 states and 465 transitions. [2018-12-09 00:43:13,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:43:13,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-09 00:43:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:13,236 INFO L225 Difference]: With dead ends: 390 [2018-12-09 00:43:13,236 INFO L226 Difference]: Without dead ends: 288 [2018-12-09 00:43:13,237 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 [2018-12-09 00:43:13,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-12-09 00:43:13,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 268. [2018-12-09 00:43:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-12-09 00:43:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2018-12-09 00:43:13,257 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2018-12-09 00:43:13,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:13,257 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2018-12-09 00:43:13,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2018-12-09 00:43:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 00:43:13,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:13,259 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] [2018-12-09 00:43:13,259 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:13,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:13,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1917794855, now seen corresponding path program 1 times [2018-12-09 00:43:13,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:13,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:13,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:43:13,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:13,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:43:13,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:13,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:43:13,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:43:13,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:43:13,324 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 7 states. [2018-12-09 00:43:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:13,680 INFO L93 Difference]: Finished difference Result 669 states and 845 transitions. [2018-12-09 00:43:13,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 00:43:13,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-09 00:43:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:13,682 INFO L225 Difference]: With dead ends: 669 [2018-12-09 00:43:13,682 INFO L226 Difference]: Without dead ends: 429 [2018-12-09 00:43:13,683 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 [2018-12-09 00:43:13,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-12-09 00:43:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 382. [2018-12-09 00:43:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-12-09 00:43:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 454 transitions. [2018-12-09 00:43:13,708 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 454 transitions. Word has length 70 [2018-12-09 00:43:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:13,709 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 454 transitions. [2018-12-09 00:43:13,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:43:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 454 transitions. [2018-12-09 00:43:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 00:43:13,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:13,711 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] [2018-12-09 00:43:13,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:13,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:13,711 INFO L82 PathProgramCache]: Analyzing trace with hash 848308515, now seen corresponding path program 1 times [2018-12-09 00:43:13,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:13,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:13,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:13,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:13,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:43:13,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:13,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:43:13,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:43:13,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:43:13,776 INFO L87 Difference]: Start difference. First operand 382 states and 454 transitions. Second operand 6 states. [2018-12-09 00:43:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:13,819 INFO L93 Difference]: Finished difference Result 750 states and 916 transitions. [2018-12-09 00:43:13,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:43:13,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-12-09 00:43:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:13,821 INFO L225 Difference]: With dead ends: 750 [2018-12-09 00:43:13,822 INFO L226 Difference]: Without dead ends: 396 [2018-12-09 00:43:13,823 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 [2018-12-09 00:43:13,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-12-09 00:43:13,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 392. [2018-12-09 00:43:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-12-09 00:43:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 464 transitions. [2018-12-09 00:43:13,846 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 464 transitions. Word has length 102 [2018-12-09 00:43:13,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:13,846 INFO L480 AbstractCegarLoop]: Abstraction has 392 states and 464 transitions. [2018-12-09 00:43:13,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:43:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 464 transitions. [2018-12-09 00:43:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 00:43:13,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:13,848 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] [2018-12-09 00:43:13,849 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:13,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:13,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1201079327, now seen corresponding path program 1 times [2018-12-09 00:43:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:13,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:13,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:13,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:13,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:43:13,936 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:13,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:43:13,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:43:13,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:43:13,936 INFO L87 Difference]: Start difference. First operand 392 states and 464 transitions. Second operand 8 states. [2018-12-09 00:43:13,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:13,962 INFO L93 Difference]: Finished difference Result 770 states and 936 transitions. [2018-12-09 00:43:13,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:43:13,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-12-09 00:43:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:13,965 INFO L225 Difference]: With dead ends: 770 [2018-12-09 00:43:13,965 INFO L226 Difference]: Without dead ends: 406 [2018-12-09 00:43:13,966 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 [2018-12-09 00:43:13,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-12-09 00:43:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 400. [2018-12-09 00:43:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-12-09 00:43:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 472 transitions. [2018-12-09 00:43:13,987 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 472 transitions. Word has length 102 [2018-12-09 00:43:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:13,987 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 472 transitions. [2018-12-09 00:43:13,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:43:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 472 transitions. [2018-12-09 00:43:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 00:43:13,989 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:13,989 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] [2018-12-09 00:43:13,989 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:13,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:13,990 INFO L82 PathProgramCache]: Analyzing trace with hash -231498304, now seen corresponding path program 1 times [2018-12-09 00:43:13,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:13,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:13,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:13,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:14,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:14,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:43:14,056 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:14,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:43:14,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:43:14,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:43:14,056 INFO L87 Difference]: Start difference. First operand 400 states and 472 transitions. Second operand 4 states. [2018-12-09 00:43:14,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:14,171 INFO L93 Difference]: Finished difference Result 1246 states and 1543 transitions. [2018-12-09 00:43:14,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:43:14,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-09 00:43:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:14,174 INFO L225 Difference]: With dead ends: 1246 [2018-12-09 00:43:14,174 INFO L226 Difference]: Without dead ends: 874 [2018-12-09 00:43:14,175 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 [2018-12-09 00:43:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2018-12-09 00:43:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 857. [2018-12-09 00:43:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2018-12-09 00:43:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1038 transitions. [2018-12-09 00:43:14,203 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1038 transitions. Word has length 102 [2018-12-09 00:43:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:14,203 INFO L480 AbstractCegarLoop]: Abstraction has 857 states and 1038 transitions. [2018-12-09 00:43:14,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:43:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1038 transitions. [2018-12-09 00:43:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 00:43:14,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:14,205 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] [2018-12-09 00:43:14,205 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:14,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:14,205 INFO L82 PathProgramCache]: Analyzing trace with hash 927235322, now seen corresponding path program 1 times [2018-12-09 00:43:14,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:14,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:14,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:14,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:14,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:43:14,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:14,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:43:14,282 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:14,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:43:14,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:43:14,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:43:14,283 INFO L87 Difference]: Start difference. First operand 857 states and 1038 transitions. Second operand 9 states. [2018-12-09 00:43:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:14,822 INFO L93 Difference]: Finished difference Result 2368 states and 2999 transitions. [2018-12-09 00:43:14,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 00:43:14,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2018-12-09 00:43:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:14,828 INFO L225 Difference]: With dead ends: 2368 [2018-12-09 00:43:14,828 INFO L226 Difference]: Without dead ends: 1711 [2018-12-09 00:43:14,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:43:14,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2018-12-09 00:43:14,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1516. [2018-12-09 00:43:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-12-09 00:43:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1816 transitions. [2018-12-09 00:43:14,894 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1816 transitions. Word has length 106 [2018-12-09 00:43:14,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:14,895 INFO L480 AbstractCegarLoop]: Abstraction has 1516 states and 1816 transitions. [2018-12-09 00:43:14,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:43:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1816 transitions. [2018-12-09 00:43:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 00:43:14,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:14,898 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:43:14,898 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:14,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:14,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1045524857, now seen corresponding path program 1 times [2018-12-09 00:43:14,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:14,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:14,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:14,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:14,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:43:15,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:43:15,022 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:43:15,022 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-09 00:43:15,024 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [63], [65], [66], [69], [73], [74], [75], [78], [80], [83], [90], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [131], [147], [148], [149], [150], [151], [153], [158], [161], [162], [163], [164], [166], [171], [173], [174], [182], [183], [187], [190], [194], [200], [229], [233], [234], [240], [244], [245], [248], [249], [250], [251], [252], [253], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [268], [269], [270], [272], [273], [274], [275], [276], [277], [280], [281], [282], [283], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312] [2018-12-09 00:43:15,047 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:43:15,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:43:16,075 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:43:16,075 INFO L272 AbstractInterpreter]: Visited 119 different actions 526 times. Merged at 15 different actions 42 times. Never widened. Performed 17866 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17866 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-09 00:43:16,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:16,081 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:43:16,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:43:16,081 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/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 [2018-12-09 00:43:16,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:16,090 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:43:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:16,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:43:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:43:16,278 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:43:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:43:16,500 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:43:16,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 00:43:16,501 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:43:16,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 00:43:16,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 00:43:16,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:43:16,502 INFO L87 Difference]: Start difference. First operand 1516 states and 1816 transitions. Second operand 16 states. [2018-12-09 00:43:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:17,109 INFO L93 Difference]: Finished difference Result 2875 states and 3570 transitions. [2018-12-09 00:43:17,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 00:43:17,109 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2018-12-09 00:43:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:17,113 INFO L225 Difference]: With dead ends: 2875 [2018-12-09 00:43:17,113 INFO L226 Difference]: Without dead ends: 1553 [2018-12-09 00:43:17,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 290 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 00:43:17,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2018-12-09 00:43:17,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1135. [2018-12-09 00:43:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-12-09 00:43:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1319 transitions. [2018-12-09 00:43:17,157 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1319 transitions. Word has length 149 [2018-12-09 00:43:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:17,157 INFO L480 AbstractCegarLoop]: Abstraction has 1135 states and 1319 transitions. [2018-12-09 00:43:17,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 00:43:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1319 transitions. [2018-12-09 00:43:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 00:43:17,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:43:17,160 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 00:43:17,161 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:43:17,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:43:17,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1616152432, now seen corresponding path program 1 times [2018-12-09 00:43:17,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:43:17,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:17,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:43:17,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:43:17,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:43:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:43:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-12-09 00:43:17,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:43:17,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:43:17,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:43:17,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:43:17,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:43:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:43:17,252 INFO L87 Difference]: Start difference. First operand 1135 states and 1319 transitions. Second operand 3 states. [2018-12-09 00:43:17,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:43:17,287 INFO L93 Difference]: Finished difference Result 1321 states and 1544 transitions. [2018-12-09 00:43:17,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:43:17,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2018-12-09 00:43:17,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:43:17,288 INFO L225 Difference]: With dead ends: 1321 [2018-12-09 00:43:17,288 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:43:17,290 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 [2018-12-09 00:43:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:43:17,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:43:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:43:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:43:17,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 302 [2018-12-09 00:43:17,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:43:17,291 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:43:17,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:43:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:43:17,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:43:17,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:43:17,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:17,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:43:18,040 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2018-12-09 00:43:18,185 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-12-09 00:43:18,374 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2018-12-09 00:43:18,580 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2018-12-09 00:43:19,227 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-12-09 00:43:19,380 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2018-12-09 00:43:19,380 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2018-12-09 00:43:19,380 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2018-12-09 00:43:19,380 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2018-12-09 00:43:19,380 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2018-12-09 00:43:19,380 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 00:43:19,380 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2018-12-09 00:43:19,380 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2018-12-09 00:43:19,380 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or (not (= ~systemActive~0 0)) .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse3 .cse2))) [2018-12-09 00:43:19,380 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L898-1(line 898) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L444 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2) (or (not (= ~systemActive~0 0)) (or .cse3 .cse4)))) [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 911) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L444 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~systemActive~0 0)) .cse2 (or .cse3 .cse1)) (or .cse3 .cse0 .cse2 .cse1))) [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 917) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L448 ceAbstractionStarter]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2018-12-09 00:43:19,381 INFO L451 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: true [2018-12-09 00:43:19,382 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,382 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-12-09 00:43:19,382 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,382 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,382 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-12-09 00:43:19,382 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-12-09 00:43:19,382 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 00:43:19,382 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,382 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,382 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,382 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L444 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 0)) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 00:43:19,383 INFO L448 ceAbstractionStarter]: For program point L765(lines 765 771) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (not (= |old(~systemActive~0)| 0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (or .cse2 (not (= ~waterLevel~0 2))))) (and (or .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse0) (or .cse3 (and .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) (or .cse3 .cse4 .cse1)))) [2018-12-09 00:43:19,383 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2018-12-09 00:43:19,383 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2018-12-09 00:43:19,383 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2018-12-09 00:43:19,383 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 00:43:19,384 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L451 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 867) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2018-12-09 00:43:19,384 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2018-12-09 00:43:19,384 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2018-12-09 00:43:19,385 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment_~tmp~5 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3))) [2018-12-09 00:43:19,385 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-12-09 00:43:19,385 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-12-09 00:43:19,385 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-09 00:43:19,385 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-12-09 00:43:19,385 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-12-09 00:43:19,385 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2018-12-09 00:43:19,385 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-12-09 00:43:19,385 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-12-09 00:43:19,385 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-12-09 00:43:19,385 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-12-09 00:43:19,386 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-12-09 00:43:19,386 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~systemActive~0 0) .cse4 .cse3 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 00:43:19,386 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 00:43:19,386 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-12-09 00:43:19,386 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2018-12-09 00:43:19,386 INFO L444 ceAbstractionStarter]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~systemActive~0 0) .cse0 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 00:43:19,386 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (let ((.cse4 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (and .cse0 .cse6 .cse1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse2) (and .cse4 .cse5 .cse6 .cse1) (and .cse5 .cse6 .cse1 .cse2) (and .cse3 (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 00:43:19,386 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2018-12-09 00:43:19,386 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-12-09 00:43:19,386 INFO L448 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2018-12-09 00:43:19,386 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L444 ceAbstractionStarter]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 00:43:19,387 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (= ~pumpRunning~0 1) .cse1) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L444 ceAbstractionStarter]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and .cse4 .cse3)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point L524(lines 523 570) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point L553(lines 553 566) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:43:19,387 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 674) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 00:43:19,388 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point L751(lines 751 755) no Hoare annotation was computed. [2018-12-09 00:43:19,388 INFO L451 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: true [2018-12-09 00:43:19,388 INFO L448 ceAbstractionStarter]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L448 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2018-12-09 00:43:19,389 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: true [2018-12-09 00:43:19,389 INFO L448 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2018-12-09 00:43:19,389 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2018-12-09 00:43:19,389 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse5 .cse4) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse6) (and .cse3 .cse5 .cse4)) (or (or .cse0 .cse1 .cse7) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (or (not (= ~systemActive~0 0)) .cse0))) [2018-12-09 00:43:19,389 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= ~systemActive~0 0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4)) (or (and .cse2 .cse5 .cse4) (and .cse6 .cse5) (or .cse0 .cse1 .cse7)) (or (and .cse6 .cse4) .cse8 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (or (or .cse1 .cse7) .cse8) (and .cse3 .cse6 .cse4)) (or .cse5 .cse9 (or .cse0 .cse7)) (or .cse9 (and .cse2 (or (= ~waterLevel~0 1) .cse5) .cse4) .cse0))) [2018-12-09 00:43:19,390 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0) (or (and .cse3 .cse4 .cse5) (or (or .cse1 .cse2) .cse6)) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point L599(lines 595 617) no Hoare annotation was computed. [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point L597(lines 595 617) no Hoare annotation was computed. [2018-12-09 00:43:19,390 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~pumpRunning~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or .cse6 (and .cse5 (or (= ~waterLevel~0 1) .cse7)) .cse0) (or (or (or .cse1 .cse8) .cse9) (and .cse10 .cse7)) (or .cse6 .cse7 (or .cse0 .cse8)) (or (and .cse5 .cse7) (or .cse0 .cse1 .cse8)) (or (and .cse10 .cse7 .cse4) .cse9 .cse1 .cse2) (or .cse6 .cse4 (or .cse0 .cse2)))) [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2018-12-09 00:43:19,390 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-12-09 00:43:19,390 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-12-09 00:43:19,390 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-12-09 00:43:19,390 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-12-09 00:43:19,390 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 00:43:19,391 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2018-12-09 00:43:19,391 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-12-09 00:43:19,392 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (or (= ~waterLevel~0 1) .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or .cse2 .cse1 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse0) (or (or .cse0 .cse1) .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse6 .cse7) (or .cse6 .cse5 .cse4 .cse0 .cse7)))) [2018-12-09 00:43:19,392 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2018-12-09 00:43:19,392 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2018-12-09 00:43:19,392 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-12-09 00:43:19,392 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2018-12-09 00:43:19,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:43:19 BoogieIcfgContainer [2018-12-09 00:43:19,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:43:19,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:43:19,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:43:19,402 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:43:19,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:43:12" (3/4) ... [2018-12-09 00:43:19,405 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:43:19,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:43:19,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:43:19,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 00:43:19,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 00:43:19,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:43:19,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:43:19,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:43:19,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:43:19,418 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 00:43:19,419 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:43:19,419 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:43:19,419 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:43:19,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:43:19,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:43:19,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-12-09 00:43:19,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 00:43:19,462 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a46f241a-8df8-4d46-9671-352bb4f2c6b5/bin-2019/utaipan/witness.graphml [2018-12-09 00:43:19,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:43:19,463 INFO L168 Benchmark]: Toolchain (without parser) took 7588.92 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 448.8 MB). Free memory was 953.5 MB in the beginning and 1.2 GB in the end (delta: -234.8 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:19,464 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:43:19,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:19,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:43:19,464 INFO L168 Benchmark]: Boogie Preprocessor took 21.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:43:19,464 INFO L168 Benchmark]: RCFGBuilder took 341.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:19,464 INFO L168 Benchmark]: TraceAbstraction took 6879.91 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 312.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -136.6 MB). Peak memory consumption was 586.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:19,465 INFO L168 Benchmark]: Witness Printer took 60.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:43:19,466 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 341.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6879.91 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 312.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -136.6 MB). Peak memory consumption was 586.1 MB. Max. memory is 11.5 GB. * Witness Printer took 60.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 152 locations, 1 error locations. SAFE Result, 6.8s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1873 SDtfs, 1426 SDslu, 5333 SDs, 0 SdLazy, 2428 SolverSat, 451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 328 SyntacticMatches, 6 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1516occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 707 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1797 PreInvPairs, 1874 NumberOfFragments, 2024 HoareAnnotationTreeSize, 1797 FomulaSimplifications, 4572 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7667 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1402 ConstructedInterpolants, 0 QuantifiedInterpolants, 305699 SizeOfPredicates, 4 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 494/517 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...