./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_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_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:23:20,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:23:20,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:23:20,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:23:20,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:23:20,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:23:20,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:23:20,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:23:20,274 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:23:20,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:23:20,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:23:20,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:23:20,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:23:20,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:23:20,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:23:20,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:23:20,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:23:20,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:23:20,279 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:23:20,280 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:23:20,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:23:20,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:23:20,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:23:20,282 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:23:20,282 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:23:20,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:23:20,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:23:20,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:23:20,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:23:20,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:23:20,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:23:20,285 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:23:20,285 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:23:20,285 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:23:20,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:23:20,286 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:23:20,286 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:23:20,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:23:20,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:23:20,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:23:20,294 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:23:20,294 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:23:20,294 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:23:20,294 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:23:20,295 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:23:20,295 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:23:20,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:23:20,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:23:20,297 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:23:20,297 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:23:20,298 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_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-12-09 00:23:20,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:23:20,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:23:20,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:23:20,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:23:20,324 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:23:20,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-09 00:23:20,361 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/data/c77a0ecf5/45373b30bcfa41cfa6c40f918f13b5c5/FLAGeaa5ae2ed [2018-12-09 00:23:20,764 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:23:20,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-09 00:23:20,770 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/data/c77a0ecf5/45373b30bcfa41cfa6c40f918f13b5c5/FLAGeaa5ae2ed [2018-12-09 00:23:20,778 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/data/c77a0ecf5/45373b30bcfa41cfa6c40f918f13b5c5 [2018-12-09 00:23:20,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:23:20,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:23:20,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:23:20,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:23:20,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:23:20,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:23:20" (1/1) ... [2018-12-09 00:23:20,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:20, skipping insertion in model container [2018-12-09 00:23:20,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:23:20" (1/1) ... [2018-12-09 00:23:20,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:23:20,811 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:23:20,957 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:23:20,998 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:23:21,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:23:21,063 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:23:21,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21 WrapperNode [2018-12-09 00:23:21,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:23:21,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:23:21,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:23:21,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:23:21,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:23:21,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:23:21,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:23:21,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:23:21,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... [2018-12-09 00:23:21,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:23:21,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:23:21,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:23:21,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:23:21,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/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 00:23:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:23:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:23:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 00:23:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 00:23:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:23:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:23:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:23:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:23:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:23:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:23:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:23:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:23:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:23:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:23:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:23:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:23:21,432 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:23:21,432 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:23:21,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:23:21 BoogieIcfgContainer [2018-12-09 00:23:21,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:23:21,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:23:21,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:23:21,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:23:21,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:23:20" (1/3) ... [2018-12-09 00:23:21,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e3076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:23:21, skipping insertion in model container [2018-12-09 00:23:21,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:23:21" (2/3) ... [2018-12-09 00:23:21,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e3076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:23:21, skipping insertion in model container [2018-12-09 00:23:21,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:23:21" (3/3) ... [2018-12-09 00:23:21,439 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-09 00:23:21,446 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:23:21,451 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:23:21,460 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:23:21,479 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:23:21,479 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:23:21,479 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:23:21,479 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:23:21,479 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:23:21,479 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:23:21,480 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:23:21,480 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:23:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-09 00:23:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:23:21,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:21,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:21,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:21,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:21,501 INFO L82 PathProgramCache]: Analyzing trace with hash 752822199, now seen corresponding path program 1 times [2018-12-09 00:23:21,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:21,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:21,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:21,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:21,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:21,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:21,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:23:21,638 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:21,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:23:21,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:23:21,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:23:21,649 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-09 00:23:21,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:21,673 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-12-09 00:23:21,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:23:21,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 00:23:21,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:21,681 INFO L225 Difference]: With dead ends: 292 [2018-12-09 00:23:21,681 INFO L226 Difference]: Without dead ends: 146 [2018-12-09 00:23:21,684 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 00:23:21,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-09 00:23:21,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-09 00:23:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-09 00:23:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-09 00:23:21,715 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-12-09 00:23:21,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:21,715 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-09 00:23:21,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:23:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-09 00:23:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:23:21,717 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:21,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:21,717 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:21,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:21,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1689313563, now seen corresponding path program 1 times [2018-12-09 00:23:21,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:21,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:21,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:21,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:21,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:21,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:21,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:23:21,773 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:21,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:23:21,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:23:21,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:23:21,775 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-12-09 00:23:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:21,788 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-12-09 00:23:21,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:23:21,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 00:23:21,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:21,790 INFO L225 Difference]: With dead ends: 235 [2018-12-09 00:23:21,790 INFO L226 Difference]: Without dead ends: 137 [2018-12-09 00:23:21,791 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 00:23:21,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-09 00:23:21,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-09 00:23:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-09 00:23:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-09 00:23:21,799 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-12-09 00:23:21,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:21,799 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-09 00:23:21,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:23:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-09 00:23:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:23:21,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:21,800 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:21,800 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:21,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:21,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2056846747, now seen corresponding path program 1 times [2018-12-09 00:23:21,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:21,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:21,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:21,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:21,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:21,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:21,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:23:21,874 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:21,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:23:21,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:23:21,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:23:21,874 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-12-09 00:23:22,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:22,106 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-12-09 00:23:22,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:23:22,106 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 00:23:22,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:22,110 INFO L225 Difference]: With dead ends: 413 [2018-12-09 00:23:22,110 INFO L226 Difference]: Without dead ends: 300 [2018-12-09 00:23:22,111 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 00:23:22,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-12-09 00:23:22,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2018-12-09 00:23:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-12-09 00:23:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2018-12-09 00:23:22,142 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2018-12-09 00:23:22,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:22,142 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2018-12-09 00:23:22,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:23:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2018-12-09 00:23:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 00:23:22,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:22,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:22,145 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:22,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:22,145 INFO L82 PathProgramCache]: Analyzing trace with hash 584544480, now seen corresponding path program 1 times [2018-12-09 00:23:22,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:22,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:22,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:22,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:22,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:23:22,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:22,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:23:22,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:23:22,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:23:22,219 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2018-12-09 00:23:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:22,347 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2018-12-09 00:23:22,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:23:22,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 00:23:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:22,349 INFO L225 Difference]: With dead ends: 813 [2018-12-09 00:23:22,349 INFO L226 Difference]: Without dead ends: 545 [2018-12-09 00:23:22,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:23:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-12-09 00:23:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2018-12-09 00:23:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-12-09 00:23:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2018-12-09 00:23:22,376 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2018-12-09 00:23:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:22,376 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2018-12-09 00:23:22,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:23:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2018-12-09 00:23:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:23:22,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:22,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:22,378 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:22,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:22,378 INFO L82 PathProgramCache]: Analyzing trace with hash -276809948, now seen corresponding path program 1 times [2018-12-09 00:23:22,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:22,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:22,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:22,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:22,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:23:22,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:22,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:23:22,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:23:22,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:23:22,439 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2018-12-09 00:23:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:22,798 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2018-12-09 00:23:22,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 00:23:22,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 00:23:22,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:22,802 INFO L225 Difference]: With dead ends: 1380 [2018-12-09 00:23:22,802 INFO L226 Difference]: Without dead ends: 865 [2018-12-09 00:23:22,803 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 00:23:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-12-09 00:23:22,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2018-12-09 00:23:22,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-12-09 00:23:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2018-12-09 00:23:22,845 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2018-12-09 00:23:22,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:22,845 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2018-12-09 00:23:22,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:23:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2018-12-09 00:23:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 00:23:22,846 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:22,847 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] [2018-12-09 00:23:22,847 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:22,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:22,847 INFO L82 PathProgramCache]: Analyzing trace with hash -226416114, now seen corresponding path program 1 times [2018-12-09 00:23:22,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:22,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:22,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:22,894 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 00:23:22,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:22,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:23:22,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:22,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:23:22,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:23:22,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:23:22,895 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2018-12-09 00:23:22,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:22,931 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2018-12-09 00:23:22,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:23:22,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-09 00:23:22,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:22,933 INFO L225 Difference]: With dead ends: 1542 [2018-12-09 00:23:22,934 INFO L226 Difference]: Without dead ends: 797 [2018-12-09 00:23:22,935 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 00:23:22,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-12-09 00:23:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2018-12-09 00:23:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-12-09 00:23:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2018-12-09 00:23:22,958 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2018-12-09 00:23:22,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:22,959 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2018-12-09 00:23:22,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:23:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2018-12-09 00:23:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 00:23:22,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:22,960 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] [2018-12-09 00:23:22,960 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:22,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:22,960 INFO L82 PathProgramCache]: Analyzing trace with hash 667070224, now seen corresponding path program 1 times [2018-12-09 00:23:22,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:22,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:22,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:22,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:23,020 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 00:23:23,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:23,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:23:23,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:23,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:23:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:23:23,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:23:23,021 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2018-12-09 00:23:23,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:23,053 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2018-12-09 00:23:23,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:23:23,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-09 00:23:23,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:23,056 INFO L225 Difference]: With dead ends: 1582 [2018-12-09 00:23:23,057 INFO L226 Difference]: Without dead ends: 817 [2018-12-09 00:23:23,059 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 00:23:23,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-12-09 00:23:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2018-12-09 00:23:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-09 00:23:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-12-09 00:23:23,091 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2018-12-09 00:23:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:23,091 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-12-09 00:23:23,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:23:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-12-09 00:23:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 00:23:23,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:23,093 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] [2018-12-09 00:23:23,093 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:23,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:23,094 INFO L82 PathProgramCache]: Analyzing trace with hash 659310865, now seen corresponding path program 1 times [2018-12-09 00:23:23,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:23,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:23,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:23,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:23,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:23,139 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 00:23:23,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:23,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:23:23,139 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:23,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:23:23,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:23:23,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:23:23,140 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2018-12-09 00:23:23,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:23,293 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2018-12-09 00:23:23,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:23:23,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-09 00:23:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:23,301 INFO L225 Difference]: With dead ends: 2547 [2018-12-09 00:23:23,301 INFO L226 Difference]: Without dead ends: 1766 [2018-12-09 00:23:23,304 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 00:23:23,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2018-12-09 00:23:23,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2018-12-09 00:23:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-12-09 00:23:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2018-12-09 00:23:23,363 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2018-12-09 00:23:23,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:23,363 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2018-12-09 00:23:23,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:23:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2018-12-09 00:23:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 00:23:23,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:23,365 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 00:23:23,365 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:23,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:23,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1469595243, now seen corresponding path program 1 times [2018-12-09 00:23:23,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:23,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:23,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:23,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:23,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:23:23,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:23,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:23,445 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-12-09 00:23:23,446 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [111], [127], [128], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [193], [197], [204], [205], [213], [217], [220], [222], [225], [235], [238], [242], [243], [246], [248], [251], [253], [256], [265], [266], [267], [268], [269], [270], [271], [272], [273], [279], [281], [282], [289], [290], [291], [292], [293], [294], [297], [301], [302], [303], [304], [305], [306], [313], [314], [315], [317], [318], [319], [321], [322], [323], [324], [329], [330], [331], [332], [333] [2018-12-09 00:23:23,478 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:23,478 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:23,758 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:23:23,759 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 00:23:23,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:23,764 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:23:23,925 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.18% of their original sizes. [2018-12-09 00:23:23,925 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:23:24,104 INFO L418 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-12-09 00:23:24,104 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:23:24,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:23:24,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-09 00:23:24,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:24,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 00:23:24,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 00:23:24,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-12-09 00:23:24,106 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 24 states. [2018-12-09 00:23:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:28,646 INFO L93 Difference]: Finished difference Result 3753 states and 4688 transitions. [2018-12-09 00:23:28,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 00:23:28,646 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 102 [2018-12-09 00:23:28,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:28,653 INFO L225 Difference]: With dead ends: 3753 [2018-12-09 00:23:28,653 INFO L226 Difference]: Without dead ends: 2042 [2018-12-09 00:23:28,657 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=2182, Unknown=0, NotChecked=0, Total=2450 [2018-12-09 00:23:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2018-12-09 00:23:28,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2025. [2018-12-09 00:23:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2025 states. [2018-12-09 00:23:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 2411 transitions. [2018-12-09 00:23:28,728 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 2411 transitions. Word has length 102 [2018-12-09 00:23:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:28,728 INFO L480 AbstractCegarLoop]: Abstraction has 2025 states and 2411 transitions. [2018-12-09 00:23:28,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 00:23:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2411 transitions. [2018-12-09 00:23:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 00:23:28,732 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:28,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:23:28,732 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:28,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:28,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1792268874, now seen corresponding path program 1 times [2018-12-09 00:23:28,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:28,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:28,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:28,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:28,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 00:23:28,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:28,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:28,817 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-09 00:23:28,817 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [127], [128], [129], [130], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [190], [193], [197], [203], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [248], [251], [253], [256], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [273], [277], [278], [279], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [303], [304], [305], [306], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [333] [2018-12-09 00:23:28,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:28,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:29,841 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:23:29,841 INFO L272 AbstractInterpreter]: Visited 132 different actions 926 times. Merged at 17 different actions 63 times. Never widened. Performed 30920 root evaluator evaluations with a maximum evaluation depth of 5. Performed 30920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-09 00:23:29,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:29,849 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:23:29,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:29,850 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/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 00:23:29,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:29,857 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:23:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:29,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:23:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:23:30,037 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:23:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 00:23:30,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:23:30,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 00:23:30,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:30,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:23:30,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:23:30,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 00:23:30,301 INFO L87 Difference]: Start difference. First operand 2025 states and 2411 transitions. Second operand 9 states. [2018-12-09 00:23:31,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:31,071 INFO L93 Difference]: Finished difference Result 5151 states and 6999 transitions. [2018-12-09 00:23:31,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 00:23:31,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-09 00:23:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:31,082 INFO L225 Difference]: With dead ends: 5151 [2018-12-09 00:23:31,082 INFO L226 Difference]: Without dead ends: 3778 [2018-12-09 00:23:31,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 00:23:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2018-12-09 00:23:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 3065. [2018-12-09 00:23:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3065 states. [2018-12-09 00:23:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 3763 transitions. [2018-12-09 00:23:31,232 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 3763 transitions. Word has length 155 [2018-12-09 00:23:31,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:31,232 INFO L480 AbstractCegarLoop]: Abstraction has 3065 states and 3763 transitions. [2018-12-09 00:23:31,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:23:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3763 transitions. [2018-12-09 00:23:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 00:23:31,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:31,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:23:31,236 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:31,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:31,236 INFO L82 PathProgramCache]: Analyzing trace with hash 2067028488, now seen corresponding path program 1 times [2018-12-09 00:23:31,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:31,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:31,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:31,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:31,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:23:31,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:31,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:23:31,308 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:31,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:23:31,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:23:31,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:23:31,309 INFO L87 Difference]: Start difference. First operand 3065 states and 3763 transitions. Second operand 9 states. [2018-12-09 00:23:31,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:31,394 INFO L93 Difference]: Finished difference Result 4021 states and 4921 transitions. [2018-12-09 00:23:31,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:23:31,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-09 00:23:31,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:31,395 INFO L225 Difference]: With dead ends: 4021 [2018-12-09 00:23:31,395 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:23:31,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:23:31,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:23:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:23:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:23:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:23:31,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-09 00:23:31,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:31,403 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:23:31,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:23:31,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:23:31,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:23:31,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:23:31,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:31,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:32,572 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 44 [2018-12-09 00:23:33,069 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-12-09 00:23:33,294 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2018-12-09 00:23:33,419 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-12-09 00:23:34,198 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-09 00:23:34,495 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 37 [2018-12-09 00:23:34,557 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,558 INFO L444 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L444 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,558 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,558 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-12-09 00:23:34,558 INFO L444 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,559 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse2) (or (or .cse3 .cse4 .cse5) .cse6) (or .cse6 (or .cse4 .cse5 .cse1)))) [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse7 (or .cse6 .cse4))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse6 (< ~waterLevel~0 1)) (or (or .cse7 .cse2) .cse5) (or .cse5 (or .cse7 (not (= ~waterLevel~0 1))))))) [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-12-09 00:23:34,559 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-12-09 00:23:34,559 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-12-09 00:23:34,560 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-09 00:23:34,560 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:23:34,560 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse5 .cse1 .cse2) (or .cse4 .cse1 (< ~waterLevel~0 2) .cse3) (or .cse5 .cse4 .cse1 .cse2))) [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-12-09 00:23:34,560 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-12-09 00:23:34,560 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-12-09 00:23:34,561 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,561 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L444 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:23:34,561 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-12-09 00:23:34,561 INFO L444 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:23:34,562 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-12-09 00:23:34,562 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:23:34,563 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1)) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-12-09 00:23:34,563 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= ~waterLevel~0 2)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or .cse6 .cse11 (not (= ~systemActive~0 1)) .cse7 .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse11 .cse12)))) [2018-12-09 00:23:34,564 INFO L444 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-12-09 00:23:34,564 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (and .cse0 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse1 .cse8) (or .cse1 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse1 .cse11 .cse12 .cse3) (or .cse7 .cse1 .cse5 .cse12) (or .cse7 .cse1 .cse10 .cse9) (or .cse1 .cse6 (not (= ~systemActive~0 1)) .cse3 .cse8)))) [2018-12-09 00:23:34,564 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-12-09 00:23:34,564 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-12-09 00:23:34,564 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 00:23:34,565 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse3 (< ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1) .cse3)))) [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-09 00:23:34,565 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-12-09 00:23:34,565 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-12-09 00:23:34,566 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-12-09 00:23:34,566 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-12-09 00:23:34,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:23:34 BoogieIcfgContainer [2018-12-09 00:23:34,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:23:34,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:23:34,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:23:34,574 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:23:34,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:23:21" (3/4) ... [2018-12-09 00:23:34,576 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:23:34,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:23:34,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:23:34,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:23:34,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:23:34,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:23:34,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:23:34,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:23:34,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:23:34,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 00:23:34,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:23:34,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:23:34,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:23:34,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:23:34,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:23:34,602 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:23:34,602 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:23:34,624 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c744622-bde8-42a7-96f0-bcaf86ceb9e7/bin-2019/utaipan/witness.graphml [2018-12-09 00:23:34,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:23:34,624 INFO L168 Benchmark]: Toolchain (without parser) took 13843.72 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 692.6 MB). Free memory was 948.1 MB in the beginning and 1.6 GB in the end (delta: -637.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: RCFGBuilder took 325.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: TraceAbstraction took 13140.31 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 593.5 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -549.5 MB). Peak memory consumption was 706.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:34,625 INFO L168 Benchmark]: Witness Printer took 50.24 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 75.6 kB). Peak memory consumption was 75.6 kB. Max. memory is 11.5 GB. [2018-12-09 00:23:34,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 325.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13140.31 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 593.5 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -549.5 MB). Peak memory consumption was 706.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.24 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 75.6 kB). Peak memory consumption was 75.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2222 SDtfs, 1603 SDslu, 8012 SDs, 0 SdLazy, 3280 SolverSat, 474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 544 GetRequests, 419 SyntacticMatches, 3 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3065occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968318068326145 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 891 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4359 PreInvPairs, 4587 NumberOfFragments, 2351 HoareAnnotationTreeSize, 4359 FomulaSimplifications, 12656 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 66 FomulaSimplificationsInter, 24969 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1123 NumberOfCodeBlocks, 1123 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1265 ConstructedInterpolants, 0 QuantifiedInterpolants, 241305 SizeOfPredicates, 7 NumberOfNonLiveVariables, 871 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 138/148 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...